### R.m4 -- extra macros for configuring R -*- Autoconf -*- ### ### Copyright (C) 1998-2002 R Core Team ### ### This file is part of R. ### ### R is free software; you can redistribute it and/or modify it under ### the terms of the GNU General Public License as published by the Free ### Software Foundation; either version 2 of the License, or (at your ### option) any later version. ### ### R is distributed in the hope that it will be useful, but WITHOUT ANY ### WARRANTY; without even the implied warranty of MERCHANTABILITY or ### FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public ### License for more details. ### ### You should have received a copy of the GNU General Public License ### along with R; if not, you can obtain it via the World Wide Web at ### `http://www.gnu.org/copyleft/gpl.html', or by writing to the Free ### Software Foundation, 59 Temple Place -- Suite 330, Boston, MA ### 02111-3307, USA. ### * General support macros ## R_ARG_USE ## --------- AC_DEFUN([R_ARG_USE], [if test "${withval}" = no; then use_$1=no else use_$1=yes fi ])# R_ARG_USE ### * Programs ## R_PROG_AR ## --------- AC_DEFUN([R_PROG_AR], [AC_CHECK_PROGS(AR, [${AR} ar]) : ${ARFLAGS="rc"} AC_SUBST(ARFLAGS) ])# R_PROG_AR ## R_PROG_INSTALL ## -------------- ## Find a good install program. ## We like to provide INSTALL in the top-level Makeconf. ## Hence, if AC_PROG_INSTALL ends up with the 'tools/install-sh' script, ## we need to ensure a relative path (i.e., in case we build in srcdir) ## gets prefixed by top_srcdir. (This would not be necessary if we had ## '@INSTALL@' in each Makefile.in, but we prefer to share ...) AC_DEFUN([R_PROG_INSTALL], [AC_REQUIRE([AC_PROG_INSTALL]) case "${INSTALL}" in [[\\/]]* | ?:[[\\/]]* ) # absolute ;; *) INSTALL="\$\(top_srcdir\)/tools/install-sh -c" ;; esac ])# R_PROG_INSTALL ## R_PROG_PAGER ## ------------ AC_DEFUN([R_PROG_PAGER], [AC_PATH_PROGS(PAGER, [${PAGER} less more page pg], false) if test "${PAGER}" = false; then warn_pager="I could not determine a pager" AC_MSG_WARN([${warn_pager}]) fi ])# R_PROG_PAGER ## R_PROG_PERL ## ----------- AC_DEFUN([R_PROG_PERL], [AC_PATH_PROGS(PERL, [${PERL} perl]) if test -n "${PERL}"; then _R_PROG_PERL_VERSION else ## ## Need a full path for '@PERL@' substitutions when starting Perl ## scripts with a line of the form '#! FOO'. AC_PATH_PROGS(FALSE, false) PERL="${FALSE}" ## fi if test "${r_cv_prog_perl_v5}" = yes; then NO_PERL5=false else warn_perl5="you cannot build the object documentation system" AC_MSG_WARN([${warn_perl5}]) NO_PERL5=true fi AC_SUBST(NO_PERL5) ])# R_PROG_PERL ## _R_PROG_PERL_VERSION ## -------------------- ## Building the R documentation system (Rdconv and friends) requires ## Perl version 5.004 or better. ## Set shell variable r_cv_prog_perl_v5 to 'yes' if a recent enough ## Perl is found, and to 'no' otherwise. AC_DEFUN([_R_PROG_PERL_VERSION], [AC_CACHE_CHECK([whether perl version is at least 5.004], [r_cv_prog_perl_v5], [if ${PERL} -e 'require 5.004 or exit 1'; then r_cv_prog_perl_v5=yes else r_cv_prog_perl_v5=no fi]) ])# _R_PROG_PERL_VERSION ## R_PROG_TEXMF ## ------------ AC_DEFUN([R_PROG_TEXMF], [AC_REQUIRE([R_PROG_PERL]) AC_PATH_PROGS(DVIPS, [${DVIPS} dvips], false) AC_PATH_PROGS(TEX, [${TEX} tex], false) AC_PATH_PROGS(LATEX, [${LATEX} latex], false) if test -z "${ac_cv_path_LATEX}" ; then ## ## This is not quite true: need LaTeX for refman, and TeX for the ## Texinfo manuals. warn_dvi="you cannot build DVI versions of the R manuals" AC_MSG_WARN([${warn_dvi}]) ## fi AC_PATH_PROGS(MAKEINDEX, [${MAKEINDEX} makeindex], false) AC_PATH_PROGS(PDFTEX, [${PDFTEX} pdftex], false) AC_PATH_PROGS(PDFLATEX, [${PDFLATEX} pdflatex], false) if test -z "${ac_cv_path_PDFLATEX}" ; then ## ## This is not quite true: need pdfLaTeX for refman, and pdfTeX for ## the Texinfo manuals. warn_pdf="you cannot build PDF versions of the R manuals" AC_MSG_WARN([${warn_pdf}]) ## fi AC_PATH_PROGS(MAKEINFO_CMD, [${MAKEINFO} makeinfo]) ## This test admittedly looks a bit strange ... see R_PROG_PERL. if test "${PERL}" = "${FALSE}"; then AC_PATH_PROGS(INSTALL_INFO, [${INSTALL_INFO} install-info], false) else INSTALL_INFO="\$(PERL) \$(top_srcdir)/tools/install-info.pl" AC_SUBST(INSTALL_INFO) fi : ${R_RD4DVI="ae"} AC_SUBST(R_RD4DVI) : ${R_RD4PDF="ae,hyper"} AC_SUBST(R_RD4PDF) ])# R_PROG_TEXMF ## R_PROG_MAKEINFO ## --------------- AC_DEFUN([R_PROG_MAKEINFO], ## This used to be part of R_PROG_TEXMF, where it really belongs. ## Unfortunately, AM_PROG_LIBTOOL unconditionally overwrites MAKEINFO ## by makeinfo or missing. To allow users to pass a MAKEINFO setting to ## configure, we thus have to run R_PROG_TEXMF before AM_PROG_LIBTOOL, ## save the result to something not overwritten (hence MAKEINFO_CMD), ## and finally set MAKEINFO according to our needs. [AC_REQUIRE([R_PROG_TEXMF]) AC_REQUIRE([AM_PROG_LIBTOOL]) if test -n "${MAKEINFO_CMD}"; then _R_PROG_MAKEINFO_VERSION fi if test "${r_cv_prog_makeinfo_v4}" != yes; then warn_info="you cannot build info versions of the R manuals" AC_MSG_WARN([${warn_info}]) MAKEINFO=false else MAKEINFO="${MAKEINFO_CMD}" fi ])# R_PROG_MAKEINFO ## _R_PROG_MAKEINFO_VERSION ## ------------------------ ## Building the R Texinfo manuals requires Makeinfo v4 or better. ## Set shell variable r_cv_prog_makeinfo_v4 to 'yes' if a recent ## enough Makeinfo is found, and to 'no' otherwise. AC_DEFUN([_R_PROG_MAKEINFO_VERSION], [AC_CACHE_CHECK([whether makeinfo version is at least 4], [r_cv_prog_makeinfo_v4], [makeinfo_version=`${MAKEINFO_CMD} --version | \ grep "^makeinfo" | sed 's/[[^)]]*) \(.\).*/\1/'` if test -z "${makeinfo_version}"; then r_cv_prog_makeinfo_v4=no elif test ${makeinfo_version} -lt 4; then r_cv_prog_makeinfo_v4=no else r_cv_prog_makeinfo_v4=yes fi]) ])# _R_PROG_MAKEINFO_VERSION ### * C compiler and its characteristics. ## R_PROG_CC_M ## ----------- ## Check whether the C compiler accepts -M for generating dependencies AC_DEFUN([R_PROG_CC_M], [AC_CACHE_CHECK([whether ${CC} accepts -M for generating dependencies], [r_cv_prog_cc_m], [echo "#include " > conftest.c ## No real point in using AC_LANG_* and ${ac_ext}, as we need to ## create hard-wired suffix rules. if test -n "`${CC} -M conftest.c 2>/dev/null | grep conftest`"; then r_cv_prog_cc_m=yes else r_cv_prog_cc_m=no fi]) ])# R_PROG_CC_M ## R_PROG_CC_C_O_LO ## ---------------- ## Check whether the C compiler supports -c -o FILE.lo AC_DEFUN([R_PROG_CC_C_O_LO], [AC_CACHE_CHECK([whether ${CC} supports -c -o FILE.lo], [r_cv_prog_cc_c_o_lo], [test -d TMP || mkdir TMP echo "int some_variable = 0;" > conftest.c ## No real point in using AC_LANG_* and ${ac_ext}, as we need to create ## hard-wired suffix rules. ac_try='${CC} ${CFLAGS} -c conftest.c -o TMP/conftest.lo 1>&AS_MESSAGE_LOG_FD' if AC_TRY_EVAL(ac_try) \ && test -f TMP/conftest.lo \ && AC_TRY_EVAL(ac_try); then r_cv_prog_cc_c_o_lo=yes else r_cv_prog_cc_c_o_lo=no fi rm -rf conftest* TMP]) ])# R_PROG_CC_C_O_LO ## R_PROG_CC_MAKEFRAG ## ------------------ ## Generate a Make fragment with suffix rules for the C compiler. ## Used for both building R (Makeconf) and add-ons (etc/Makeconf). AC_DEFUN([R_PROG_CC_MAKEFRAG], [cc_rules_frag=Makefrag.cc AC_REQUIRE([R_PROG_CC_M]) AC_REQUIRE([R_PROG_CC_C_O_LO]) cat << \EOF > ${cc_rules_frag} .c.o: $(CC) $(ALL_CPPFLAGS) $(ALL_CFLAGS) -c $< -o $[@] EOF if test "${r_cv_prog_cc_m}" = yes; then cat << \EOF >> ${cc_rules_frag} .c.d: @echo "making $[@] from $<" @$(CC) -M $(ALL_CPPFLAGS) $< | \ sed -e 's/^\([[^:]]*\)\.o\([[ ]]\)*:/\1.o \1.lo\2:/' > $[@] EOF else cat << \EOF >> ${cc_rules_frag} .c.d: @echo > $[@] EOF fi if test "${r_cv_prog_cc_c_o_lo}" = yes; then cat << \EOF >> ${cc_rules_frag} .c.lo: $(CC) $(ALL_CPPFLAGS) $(ALL_CFLAGS_LO) -c $< -o $[@] EOF else cat << \EOF >> ${cc_rules_frag} .c.lo: @test -d .libs || mkdir .libs $(CC) $(ALL_CPPFLAGS) $(ALL_CFLAGS_LO) -c $< -o .libs/$[*].o mv .libs/$[*].o $[*].lo EOF fi AC_SUBST_FILE(cc_rules_frag) ])# R_PROG_CC_MAKEFRAG ## R_PROG_CC_FLAG(FLAG, [ACTION-IF-TRUE]) ## --------------------------------------- ## Check whether the C compiler handles command line option FLAG, ## and set shell variable r_cv_prog_cc_flag_SFLAG accordingly (where ## SFLAG is a shell-safe transliteration of FLAG). ## In addition, execute ACTION-IF-TRUE in case of success. AC_DEFUN([R_PROG_CC_FLAG], [ac_safe=`echo "$1" | sed 'y%./+-:=%__p___%'` AC_MSG_CHECKING([whether ${CC-cc} accepts $1]) AC_CACHE_VAL([r_cv_prog_cc_flag_${ac_safe}], [AC_LANG_PUSH(C) r_save_CFLAGS="${CFLAGS}" CFLAGS="${CFLAGS} $1" AC_TRY_LINK([], [], [eval "r_cv_prog_cc_flag_${ac_safe}=yes"], [eval "r_cv_prog_cc_flag_${ac_safe}=no"]) CFLAGS="${r_save_CFLAGS}" AC_LANG_POP(C) ]) if eval "test \"`echo '$r_cv_prog_cc_flag_'$ac_safe`\" = yes"; then AC_MSG_RESULT([yes]) [$2] else AC_MSG_RESULT([no]) fi ])# R_PROG_CC_FLAG ## R_PROG_CC_FLAG_D__NO_MATH_INLINES ## --------------------------- ## In current glibc, inline version [x86] of exp is broken. ## We fix this by adding '-D__NO_MATH_INLINES' to R_XTRA_CFLAGS rather ## than AC_DEFINE(__NO_MATH_INLINES) as the former also takes care of ## compiling C code for add-on packages. AC_DEFUN([R_PROG_CC_FLAG_D__NO_MATH_INLINES], [AC_EGREP_CPP([yes], [#include #if defined(__GLIBC__) yes #endif ], [R_XTRA_CFLAGS="${R_XTRA_CFLAGS} -D__NO_MATH_INLINES"]) ])# R_PROG_CC_FLAG_D__NO_MATH_INLINES ## R_C_OPTIEEE ## ----------- ## Check whethter the C compiler needs '-OPT:IEEE_NaN_inf=ON' to ## correctly deal with IEEE NaN/Inf. ## This flag is needed for the native SGI C compiler. ## If needed, add the flag to R_XTRA_CFLAGS. AC_DEFUN([R_C_OPTIEEE], [AC_CACHE_CHECK([whether C compiler needs -OPT:IEEE_NaN_inf=ON], [r_cv_c_optieee], AC_TRY_RUN( [#include #include int main () { double x = 0; fpsetmask(0); x = x / x; exit (x != x); }], [r_cv_c_optieee=yes], [r_cv_c_optieee=no], [r_cv_c_optieee=no])) if test "${r_cv_c_optieee}" = yes; then R_XTRA_CFLAGS="${R_XTRA_CFLAGS} -OPT:IEEE_NaN_inf=ON" fi ])# R_C_OPTIEEE ### * C++ compiler and its characteristics. ## R_PROG_CXX_M ## ------------ ## Check whether the C++ compiler accepts -M for generating dependencies AC_DEFUN([R_PROG_CXX_M], [AC_REQUIRE([R_PROG_CC_M]) AC_CACHE_CHECK([whether ${CXX} accepts -M for generating dependencies], [r_cv_prog_cxx_m], [echo "#include " > conftest.cc ## No real point in using AC_LANG_* and ${ac_ext}, as we need to create ## hard-wired suffix rules. We could be a bit more careful as we ## actually only test suffix '.cc'. if test -n "`${CXX} -M conftest.cc 2>/dev/null | grep conftest`"; then r_cv_prog_cxx_m=yes else r_cv_prog_cxx_m=no fi]) ])# R_PROG_CXX_M ## R_PROG_CXX_C_O_LO ## ----------------- ## Check whether the C++ compiler supports -c -o FILE.lo AC_DEFUN([R_PROG_CXX_C_O_LO], [cxx_o_lo_rules_frag=Makefrag.cxx AC_CACHE_CHECK([whether ${CXX} supports -c -o FILE.lo], [r_cv_prog_cxx_c_o_lo], [test -d TMP || mkdir TMP echo "int some_variable = 0;" > conftest.cc ## No real point in using AC_LANG_* and ${ac_ext}, as we need to create ## hard-wired suffix rules. We could be a bit more careful as we ## actually only test suffix '.cc'. ac_try='${CXX} ${CXXFLAGS} -c conftest.cc -o TMP/conftest.lo 1>&AS_MESSAGE_LOG_FD' if AC_TRY_EVAL(ac_try) \ && test -f TMP/conftest.lo \ && AC_TRY_EVAL(ac_try); then r_cv_prog_cxx_c_o_lo=yes else r_cv_prog_cxx_c_o_lo=no fi rm -rf conftest* TMP]) ])# R_PROG_CXX_C_O_LO ## R_PROG_CXX_MAKEFRAG ## ------------------- ## Generate a Make fragment with suffix rules for the C++ compiler. ## Used for both building R (Makeconf) and add-ons (etc/Makeconf). AC_DEFUN([R_PROG_CXX_MAKEFRAG], [cxx_rules_frag=Makefrag.cxx AC_REQUIRE([R_PROG_CXX_M]) AC_REQUIRE([R_PROG_CXX_C_O_LO]) cat << \EOF > ${cxx_rules_frag} .cc.o: $(CXX) $(ALL_CPPFLAGS) $(ALL_CXXFLAGS) -c $< -o $[@] .cpp.o: $(CXX) $(ALL_CPPFLAGS) $(ALL_CXXFLAGS) -c $< -o $[@] .C.o: $(CXX) $(ALL_CPPFLAGS) $(ALL_CXXFLAGS) -c $< -o $[@] EOF if test "${r_cv_prog_cxx_m}" = yes; then cat << \EOF >> ${cxx_rules_frag} .cc.d: @echo "making $[@] from $<" @$(CXX) -M $(ALL_CPPFLAGS) $< | \ sed -e 's/^\([[^:]]*\)\.o\([[ ]]\)*:/\1.o \1.lo\2:/' > $[@] .cpp.d: @echo "making $[@] from $<" @$(CXX) -M $(ALL_CPPFLAGS) $< | \ sed -e 's/^\([[^:]]*\)\.o\([[ ]]\)*:/\1.o \1.lo\2:/' > $[@] .C.d: @echo "making $[@] from $<" @$(CXX) -M $(ALL_CPPFLAGS) $< | \ sed -e 's/^\([[^:]]*\)\.o\([[ ]]\)*:/\1.o \1.lo\2:/' > $[@] EOF else cat << \EOF >> ${cxx_rules_frag} .cc.d: @echo > $[@] .cpp.d: @echo > $[@] .C.d: @echo > $[@] EOF fi if test "${r_cv_prog_cxx_c_o_lo}" = yes; then cat << \EOF >> ${cxx_rules_frag} .cc.lo: $(CXX) $(ALL_CPPFLAGS) $(ALL_CXXFLAGS_LO) -c $< -o $[@] .cpp.lo: $(CXX) $(ALL_CPPFLAGS) $(ALL_CXXFLAGS_LO) -c $< -o $[@] .C.lo: $(CXX) $(ALL_CPPFLAGS) $(ALL_CXXFLAGS_LO) -c $< -o $[@] EOF else cat << \EOF >> ${cxx_rules_frag} .cc.lo: @test -d .libs || mkdir .libs $(CXX) $(ALL_CPPFLAGS) $(ALL_CXXFLAGS_LO) -c $< -o .libs/$[*].o mv .libs/$[*].o $[*].lo .cpp.lo: @test -d .libs || mkdir .libs $(CXX) $(ALL_CPPFLAGS) $(ALL_CXXFLAGS_LO) -c $< -o .libs/$[*].o mv .libs/$[*].o $[*].lo .C.lo: @test -d .libs || mkdir .libs $(CXX) $(ALL_CPPFLAGS) $(ALL_CXXFLAGS_LO) -c $< -o .libs/$[*].o mv .libs/$[*].o $[*].lo EOF fi AC_SUBST_FILE(cxx_rules_frag) ])# R_PROG_CXX_MAKEFRAG ## R_PROG_CXX_FLAG ## --------------- ## Check whether the C++ compiler handles command line option FLAG, ## and set shell variable r_cv_prog_cc_flag_SFLAG accordingly (where ## SFLAG is a shell-safe transliteration of FLAG). ## In addition, execute ACTION-IF-TRUE in case of success. AC_DEFUN([R_PROG_CXX_FLAG], [ac_safe=`echo "$1" | sed 'y%./+-:=%__p___%'` AC_MSG_CHECKING([whether ${CXX-c++} accepts $1]) AC_CACHE_VAL([r_cv_prog_cxx_flag_${ac_safe}], [AC_LANG_PUSH(C++) r_save_CXXFLAGS="${CXXFLAGS}" CXXFLAGS="${CXXFLAGS} $1" AC_TRY_LINK([], [], [eval "r_cv_prog_cxx_flag_${ac_safe}=yes"], [eval "r_cv_prog_cxx_flag_${ac_safe}=no"]) CXXFLAGS="${r_save_CXXFLAGS}" AC_LANG_POP(C++) ]) if eval "test \"`echo '$r_cv_prog_cxx_flag_'$ac_safe`\" = yes"; then AC_MSG_RESULT([yes]) [$2] else AC_MSG_RESULT([no]) fi ])# R_PROG_CXX_FLAG ### * FORTRAN 77 compiler/converter and its characteristics. ## R_PROG_F77_OR_F2C ## ----------------- ## Find a Fortran 77 compiler, or f2c. ## ## If we have not been forced to use a particular FORTRAN compiler, try ## to find one using one of the several common names. The list is based ## on what the current autoconf CVS contains. This says, ## ## ## Compilers are ordered by ## 1. F77, F90, F95 ## 2. Good/tested native compilers, bad/untested native compilers ## 3. Wrappers around f2c go last. ## ## 'fort77' and fc' are wrappers around 'f2c', 'fort77' being better. ## It is believed that under HP-UX 'fort77' is the name of the native ## compiler. On some Cray systems, fort77 is a native compiler. ## cf77 and cft77 are (older) Cray F77 compilers. ## pgf77 and pgf90 are the Portland Group F77 and F90 compilers. ## xlf/xlf90/xlf95 are IBM (AIX) F77/F90/F95 compilers. ## lf95 is the Lahey-Fujitsu compiler. ## fl32 is the Microsoft Fortran "PowerStation" compiler. ## af77 is the Apogee F77 compiler for Intergraph hardware running CLIX. ## epcf90 is the "Edinburgh Portable Compiler" F90. ## ## ## In fact, on HP-UX fort77 is the POSIX-compatible native compiler and ## f77 is not: hence we need look for fort77 first! ## ## The configure options '--with-f77' or '--with-f2c' force f77 or f2c ## to be used (under *exactly* these names). It is also possible to use ## these options to specify the full path name of the compiler. AC_DEFUN([R_PROG_F77_OR_F2C], [if test -n "${FC}"; then warn_arg_var_FC="configure variable 'FC' is deprecated. Use variable 'F77' to specify a FORTRAN 77 compiler if necessary." AC_MSG_WARN([${warn_arg_var_FC}]) fi if test -n "${F77}" && test -n "${F2C}"; then warn_F77_and_F2C="both 'F77' and 'F2C' given. Using the given FORTRAN 77 compiler ..." AC_MSG_WARN([${warn_F77_and_F2C}]) F2C= fi if test -n "${F77}"; then AC_MSG_RESULT([defining F77 to be ${F77}]) elif test -n "${FC}"; then F77="${FC}" AC_MSG_RESULT([defining F77 to be ${F77}]) elif test -z "${F2C}"; then F77= case "${host_os}" in hpux*) AC_CHECK_PROGS(F77, [g77 fort77 f77 xlf cf77 cft77 pgf77 fl32 af77 \ f90 xlf90 pgf90 epcf90 f95 xlf95 lf95 g95 fc]) ;; *) AC_CHECK_PROGS(F77, [g77 f77 xlf cf77 cft77 pgf77 fl32 af77 fort77 \ f90 xlf90 pgf90 epcf90 f95 xlf95 lf95 g95 fc]) ;; esac if test -z "${F77}"; then AC_CHECK_PROG(F2C, f2c, f2c, []) fi else AC_MSG_RESULT([defining F2C to be ${F2C}]) fi if test -n "${F77}"; then ## If the above 'found' a FORTRAN 77 compiler, we run AC_PROG_F77 as ## this does additional testing (GNU, '-g', ...). AC_PROG_F77 elif test -z "${F2C}"; then AC_MSG_ERROR([Neither an F77 compiler nor f2c found]) fi ])# R_PROG_F77_OR_F2C ## R_PROG_F77_FLIBS ## ---------------- ## Run AC_F77_LIBRARY_LDFLAGS, and fix some known problems with FLIBS. AC_DEFUN([R_PROG_F77_FLIBS], [AC_REQUIRE([AC_F77_LIBRARY_LDFLAGS]) ## Currently g77 on Darwin links against -lcrt1.o, which (unlike ## -lcrt0.o) is not stripped by AC_F77_LIBRARY_LDFLAGS. This in ## particular causes R_PROG_F77_CC_COMPAT to fail. Hence, we make ## sure all -lcrt?.o are removed. ## Native f90 on HPUX 11 comes up with '-l:libF90.a' causing trouble ## when using gcc for linking. The '-l:' construction is similar to ## plain '-l' except that search order (archive/shared) given by '-a' ## is not important. We escape such flags via '-Wl,' in case of gcc. ## Note that the current Autoconf CVS uses _AC_LINKER_OPTION for a ## similar purpose when computing FLIBS: this uses '-Xlinker' escapes ## for gcc and does nothing otherwise. Note also that we cannot simply ## unconditionally escape with '${wl}' from libtool as on HPUX we need ## SHLIB_LD=ld for native C compilers (problem with non-PIC 'crt0.o', ## see 'Individual platform overrides' in section 'DLL stuff' in file ## 'configure.ac'. flibs= if test "${GCC}" = yes; then linker_option="-Wl," else linker_option= fi for arg in ${FLIBS}; do case "${arg}" in -lcrt?.o) ;; -l:*) flibs="${flibs} ${linker_option}${arg}" ;; *) flibs="${flibs} ${arg}" ;; esac done FLIBS="${flibs}" ## Versions of g77 up to 3.0.x only have a non-PIC (static) -lg2c which ## on some platforms means one cannot build dynamically loadable modules ## containing FORTRAN code. (g77 3.1 will have a shared -lg2c too.) As ## a workaround, Debian provides -lg2c-pic which holds pic objects only, ## and we should use in case we can find it ... if test "${G77}" = yes; then r_save_LIBS="${LIBS}" ## ## Potentially dangerous ... flibs=`echo "${ac_cv_flibs}" | sed 's/-lg2c/-lg2c-pic/'` ## LIBS="${LIBS} ${flibs}" AC_LANG_PUSH(C) AC_TRY_LINK([], [], [FLIBS="${flibs}"]) AC_LANG_POP(C) LIBS="${r_save_LIBS}" fi ])# R_PROG_F77_FLIBS ## R_PROG_F77_APPEND_UNDERSCORE ## ---------------------------- ## See if the Fortran 77 compiler appends underscores. ## What we really should do is determine how to properly mangle the ## names of C/C++ identifiers (potentially containing underscores) so ## that they match the name-mangling scheme used by the Fortran 77 ## compiler. Autoconf 2.50 or better has macros F77_FUNC(name, NAME) ## and F77_FUNC_(name, NAME) for this. However, the F77_* macros in ## the R API have one argument only and therefore cannot deal with ## Fortran 77 compilers which convert to upper case or add an extra ## underscore for identifiers containing underscores. We give an error ## in the former case; as ISO FORTRAN 77 does not allow underscores in ## function names, we do nothing about the latter. AC_DEFUN([R_PROG_F77_APPEND_UNDERSCORE], [AC_REQUIRE([AC_F77_WRAPPERS]) ## DANGER! We really needs the results of _AC_F77_NAME_MANGLING as ## stored in the cache var ac_cv_f77_mangling which is not documented ## and hence may change ... case "${ac_cv_f77_mangling}" in "upper "*) AC_MSG_WARN([FORTRAN compiler uses uppercase external names]) AC_MSG_ERROR([cannot use FORTRAN]) ;; esac AC_CACHE_VAL([r_cv_prog_f77_append_underscore], [case "${ac_cv_f77_mangling}" in *", underscore, "*) r_cv_prog_f77_append_underscore=yes ;; *", no underscore, "*) r_cv_prog_f77_append_underscore=no ;; esac]) if test -z "${r_cv_prog_f77_append_underscore}"; then AC_MSG_ERROR([cannot use FORTRAN]) fi if test "${r_cv_prog_f77_append_underscore}" = yes; then AC_DEFINE(HAVE_F77_UNDERSCORE, 1, [Define if your Fortran compiler appends an underscore to external names.]) fi ])# R_PROG_F77_APPEND_UNDERSCORE ## R_PROG_F77_CC_COMPAT ## -------------------- ## Check whether the Fortran and C compilers agree on int and double AC_DEFUN([R_PROG_F77_CC_COMPAT], [AC_REQUIRE([AC_CHECK_LIBM]) AC_MSG_CHECKING([whether ${F77-f77} and ${CC-cc} agree on int and double]) AC_CACHE_VAL([r_cv_prog_f77_cc_compat], [cat > conftestf.f <&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD dnl Yes we need to double quote this ... [cat > conftest.c < #include "confdefs.h" #ifdef HAVE_F77_UNDERSCORE # define F77_SYMBOL(x) x ## _ #else # define F77_SYMBOL(x) x #endif extern void F77_SYMBOL(cftest)(int *a, int *b, double *x, double *y); int main () { int a[3] = {17, 237, 2000000000}, b[2], res = 0; double x[3] = {3.14159265, 123.456789, 2.3e34}, z[3]; double eps = 1e-6; double zres[3]; int i, bres[2]; zres[0] = (double) a[2]/x[1]; zres[1] = x[2]*x[0]; zres[2] = pow(x[1]/x[0], 17.0); bres[0] = a[2]/a[1]; bres[1] = a[2] - a[0]*a[1]; F77_SYMBOL(cftest)(a, b, x, z); if(b[0] != bres[0]) res++; if(b[1] != bres[1]) res++; for(i = 0; i < 3; i++) if(fabs(z[i]/zres[i] - 1) > eps) res++; printf("number of errors %d\n", res); exit(res); } EOF] if ${CC-cc} ${CFLAGS} -c conftest.c 1>&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD; then ## ## This should really use MAIN_LD, and hence come after this is ## determined. Or maybe we can always use ${CC} eventually? if ${CC-cc} ${LDFLAGS} ${MAIN_LDFLAGS} -o conftest${ac_exeext} \ conftest.${ac_objext} conftestf.${ac_objext} ${FLIBS} \ ${LIBM} 1>&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD; ## then output=`./conftest${ac_exeext} 2>&1` if test ${?} = 0; then r_cv_prog_f77_cc_compat=yes fi fi fi ]) rm -rf conftest conftest.* conftestf.* core if test -n "${r_cv_prog_f77_cc_compat}"; then AC_MSG_RESULT([yes]) else AC_MSG_WARN([${F77-f77} and ${CC-cc} disagree on int and double]) AC_MSG_ERROR([Maybe change CFLAGS or FFLAGS?]) fi ])# R_PROG_F77_CC_COMPAT ## R_PROG_F77_CC_COMPAT_COMPLEX ## ---------------------------- ## Check whether the Fortran and C compilers agree on double complex AC_DEFUN([R_PROG_F77_CC_COMPAT_COMPLEX], [AC_REQUIRE([AC_CHECK_LIBM]) AC_MSG_CHECKING([whether ${F77-f77} and ${CC-cc} agree on double complex]) AC_CACHE_VAL([r_cv_prog_f77_cc_compat_complex], [cat > conftestf.f <&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD dnl Yes we need to double quote this ... [cat > conftest.c < #include "confdefs.h" #ifdef HAVE_F77_UNDERSCORE # define F77_SYMBOL(x) x ## _ #else # define F77_SYMBOL(x) x #endif typedef struct { double r; double i; } Rcomplex; extern void F77_SYMBOL(cftest)(Rcomplex *x); int main () { Rcomplex z[3]; z[0].r = 3.14159265; z[0].i = 2.172; z[1].i = 3.14159265; z[1].r = 2.172; z[2].r = 123.456; z[2].i = 0.123456; F77_SYMBOL(cftest)(z); printf("%f %f\n", z[0].r, z[0].i); if(fabs(z[0].r - 123.456) < 1e-4 && fabs(z[0].i - 14.71065) < 1e-4) exit(0); else exit(1); } EOF] if ${CC-cc} ${CFLAGS} -c conftest.c 1>&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD; then ## ## This should really use MAIN_LD, and hence come after this is ## determined. Or maybe we can always use ${CC} eventually? if ${CC-cc} ${LDFLAGS} ${MAIN_LDFLAGS} -o conftest${ac_exeext} \ conftest.${ac_objext} conftestf.${ac_objext} ${FLIBS} \ ${LIBM} 1>&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD; ## then output=`./conftest${ac_exeext} 2>&1` if test ${?} = 0; then r_cv_prog_f77_cc_compat_complex=yes fi fi fi ]) rm -rf conftest conftest.* conftestf.* core if test -n "${r_cv_prog_f77_cc_compat_complex}"; then AC_MSG_RESULT([yes]) AC_DEFINE(HAVE_DOUBLE_COMPLEX, 1, [Define if C's Rcomplex and Fortran's COMPLEX*16 can be interchanged, and can do arithmetic on the latter.]) else ## ## Use warn_f77_cc_double_complex ... AC_MSG_WARN([${F77-f77} and ${CC-cc} disagree on double complex]) ## fi AC_SUBST(HAVE_DOUBLE_COMPLEX) ])# R_PROG_F77_CC_COMPAT_COMPLEX ## R_PROG_F77_C_O_LO ## ----------------- ## Check whether the Fortran compiler supports -c -o FILE.lo AC_DEFUN([R_PROG_F77_C_O_LO], [AC_CACHE_CHECK([whether ${F77} supports -c -o FILE.lo], [r_cv_prog_f77_c_o_lo], [test -d TMP || mkdir TMP cat > conftest.f < ${f77_rules_frag} .f.c: .f.o: $(F77) $(ALL_FFLAGS) -c $< -o $[@] EOF if test "${r_cv_prog_f77_c_o_lo}" = yes; then cat << \EOF >> ${f77_rules_frag} .f.lo: $(F77) $(ALL_FFLAGS_LO) -c $< -o $[@] EOF else cat << \EOF >> ${f77_rules_frag} .f.lo: @test -d .libs || mkdir .libs $(F77) $(ALL_FFLAGS_LO) -c $< -o .libs/$[*].o mv .libs/$[*].o $[*].lo EOF fi AC_SUBST_FILE(f77_rules_frag) ])# R_PROG_F77_MAKEFRAG ## R_PROG_F77_FLAG(FLAG, [ACTION-IF-TRUE]) ## --------------------------------------- ## Check whether the FORTRAN 77 compiler handles command line option ## FLAG, and set shell variable r_cv_prog_f77_flag_SFLAG accordingly ## (where SFLAG is a shell-safe transliteration of FLAG). ## In addition, execute ACTION-IF-TRUE in case of success. AC_DEFUN([R_PROG_F77_FLAG], [ac_safe=`echo "$1" | sed 'y%./+-:=%__p___%'` AC_MSG_CHECKING([whether ${F77-f77} accepts $1]) AC_CACHE_VAL([r_cv_prog_f77_flag_${ac_safe}], [AC_LANG_PUSH(Fortran 77) r_save_FFLAGS="${FFLAGS}" FFLAGS="${FFLAGS} $1" AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], [eval "r_cv_prog_f77_flag_${ac_safe}=yes"], [eval "r_cv_prog_f77_flag_${ac_safe}=no"]) FFLAGS="${r_save_FFLAGS}" AC_LANG_POP(Fortran 77) ]) if eval "test \"`echo '$r_cv_prog_f77_flag_'$ac_safe`\" = yes"; then AC_MSG_RESULT([yes]) [$2] else AC_MSG_RESULT([no]) fi ])# R_PROG_F77_FLAG ## R_PROG_F2C_FLIBS ## ---------------- AC_DEFUN([R_PROG_F2C_FLIBS], [AC_REQUIRE([AC_PROG_RANLIB]) AC_REQUIRE([AC_CHECK_LIBM]) AC_CACHE_VAL([r_cv_f2c_flibs], [ ## ## Why do we need this? What about AC_F77_DUMMY_MAIN? ## This seems to be necessary on some Linux system. -- you bet! -pd AC_LANG_PUSH(C) cat > conftest.${ac_ext} << EOF int MAIN_ () { exit(0); } int MAIN__ () { exit(0); } EOF if AC_TRY_EVAL(ac_compile); then ${AR} ${ARFLAGS} libconftest.a conftest.${ac_objext} 1>&AS_MESSAGE_LOG_FD if test -n "${RANLIB}"; then ${RANLIB} libconftest.a 1>&AS_MESSAGE_LOG_FD fi fi AC_LANG_POP(C) ## AC_CHECK_LIB(f2c, f_open, [flibs=-lf2c], [flibs=], [-L. -lconftest ${LIBM}]) rm -f libconftest* if test -z "${flibs}"; then AC_CHECK_LIB(F77, d_sin, [flibs=-lF77], [flibs=], [${LIBM}]) if test -n "${flibs}"; then AC_CHECK_LIB(I77, f_rew, [flibs="${flibs} -lI77"], [flibs=], [-lF77]) fi fi r_cv_f2c_flibs="${flibs}"]) FLIBS="${r_cv_f2c_flibs}" if test -z "${FLIBS}"; then warn_f2c_flibs="I found f2c but not libf2c, or libF77 and libI77" AC_MSG_WARN([${warn_f2c_flibs}]) else FLIBS="${FLIBS} ${LIBM}" fi ])# R_PROG_F2C_FLIBS ## R_PROG_F2C_MAKEFRAG ## ------------------- ## Generate a Make fragment with suffix rules for FORTRAN 77 source ## files when using f2c, the FORTRAN-to-C converter. ## Used for both building R (Makeconf) and add-ons (etc/Makeconf). AC_DEFUN([R_PROG_F2C_MAKEFRAG], [AC_REQUIRE([R_PROG_CC_C_O_LO]) f77_rules_frag=Makefrag.f77 cat << \EOF > ${f77_rules_frag} .f.o: $(F2C) $(F2CFLAGS) < $< > $[*].c $(CC) $(ALL_CPPFLAGS) $(ALL_CFLAGS) -c $[*].c -o $[@] @rm -f $[*].c .f.lo: $(F2C) $(F2CFLAGS) < $< > $[*].c EOF if test "${r_cv_prog_cc_c_o_lo}" = yes; then cat << \EOF >> ${f77_rules_frag} $(CC) $(ALL_CPPFLAGS) $(ALL_CFLAGS_LO) -c $[*].c -o $[@] EOF else cat << \EOF >> ${f77_rules_frag} @test -d .libs || mkdir .libs $(CC) $(ALL_CPPFLAGS) $(ALL_CFLAGS_LO) -c $[*].c -o .libs/$[*].o mv .libs/$[*].o $[*].lo EOF fi cat << \EOF >> ${f77_rules_frag} @rm -f $[*].c EOF AC_SUBST_FILE(f77_rules_frag) ])# R_PROG_F2C_MAKEFRAG ### * Library functions ## R_FUNC___SETFPUCW ## ----------------- AC_DEFUN([R_FUNC___SETFPUCW], [AC_CHECK_FUNC(__setfpucw, [AC_CACHE_CHECK([whether __setfpucw is needed], [r_cv_func___setfpucw_needed], AC_TRY_RUN( [int main () { #include #if defined(_FPU_DEFAULT) && defined(_FPU_IEEE) exit(_FPU_DEFAULT != _FPU_IEEE); #endif exit(0); }], [r_cv_func___setfpucw_needed=no], [r_cv_func___setfpucw_needed=yes], [r_cv_func___setfpucw_needed=no])) if test "x${r_cv_func___setfpucw_needed}" = xyes; then AC_DEFINE(NEED___SETFPUCW, 1, [Define if your system needs __setfpucw() to control FPU rounding. This was used to control floating point precision, rounding and floating point exceptions on older Linux systems. As of GLIBC 2.1 this function is not used anymore.]) fi]) ])# R_FUNC___SETFPUCW ## R_FUNC_CALLOC ## ------------- AC_DEFUN([R_FUNC_CALLOC], [AC_CACHE_CHECK([for working calloc], [r_cv_func_calloc_works], [AC_TRY_RUN( [#include int main () { int *p = calloc(0, sizeof(int)); exit(p == 0); }], [r_cv_func_calloc_works=yes], [r_cv_func_calloc_works=no], [r_cv_func_calloc_works=no])]) if test "x${r_cv_func_calloc_works}" = xyes; then AC_DEFINE(HAVE_WORKING_CALLOC, 1, [Define if calloc(0) returns a null pointer.]) fi ])# R_FUNC_CALLOC ## R_FUNC_FINITE ## ------------- AC_DEFUN([R_FUNC_FINITE], [AC_CACHE_CHECK([for working finite], [r_cv_func_finite_works], [AC_TRY_RUN( [#include #include "confdefs.h" int main () { #ifdef HAVE_FINITE exit(finite(1./0.) | finite(0./0.) | finite(-1./0.)); #else exit(1); #endif }], [r_cv_func_finite_works=yes], [r_cv_func_finite_works=no], [r_cv_func_finite_works=no])]) if test "x${r_cv_func_finite_works}" = xyes; then AC_DEFINE(HAVE_WORKING_FINITE, 1, [Define if finite() is correct for -Inf/NaN/Inf.]) fi ])# R_FUNC_FINITE ## R_FUNC_LOG ## ---------- AC_DEFUN([R_FUNC_LOG], [AC_CACHE_CHECK([for working log], [r_cv_func_log_works], [AC_TRY_RUN( [#include #include "confdefs.h" int main () { #ifdef HAVE_ISNAN exit(!(log(0.) == -1. / 0. && isnan(log(-1.)))); #else exit(log(0.) != -1. / 0); #endif }], [r_cv_func_log_works=yes], [r_cv_func_log_works=no], [r_cv_func_log_works=no])]) if test "x${r_cv_func_log_works}" = xyes; then AC_DEFINE(HAVE_WORKING_LOG, 1, [Define if log() is correct for 0/-1.]) fi ])# R_FUNC_LOG ## R_FUNC_STRPTIME ## --------------- AC_DEFUN([R_FUNC_STRPTIME], [AC_CACHE_CHECK([for working strptime], [r_cv_func_strptime_works], [AC_TRY_RUN( [#include int main () { #ifdef HAVE_STRPTIME struct tm tm; char *p; p = strptime("1960-01-01", "%Y-%m-%d", &tm); exit(p == 0); #else exit(1); #endif }], [r_cv_func_strptime_works=yes], [r_cv_func_strptime_works=no], [r_cv_func_strptime_works=no])]) if test "x${r_cv_func_strptime_works}" = xyes; then AC_DEFINE(HAVE_WORKING_STRPTIME, 1, [Define if strptime() exists and does not fail pre-1970.]) fi ])# R_FUNC_STRPTIME ### * Headers ## R_HEADER_SETJMP ## --------------- AC_DEFUN([R_HEADER_SETJMP], [AC_CACHE_CHECK([whether setjmp.h is POSIX.1 compatible], [r_cv_header_setjmp_posix], [AC_EGREP_HEADER(sigjmp_buf, setjmp.h, [r_cv_header_setjmp_posix=yes], [r_cv_header_setjmp_posix=no]) if test "${r_cv_header_setjmp_posix}" = yes; then AC_EGREP_HEADER([siglongjmp], setjmp.h, [], [r_cv_header_setjmp_posix=no]) fi if test "${r_cv_header_setjmp_posix}" = yes; then AC_EGREP_HEADER([sigsetjmp], setjmp.h, [], [r_cv_header_setjmp_posix=no]) fi ]) if test "${r_cv_header_setjmp_posix}" = yes; then AC_DEFINE(HAVE_POSIX_SETJMP, 1, [Define if you have POSIX.1 compatible sigsetjmp/siglongjmp.]) fi ])# R_HEADER_SETJMP ## R_HEADER_GLIBC2 ## --------------- AC_DEFUN([R_HEADER_GLIBC2], [AC_CACHE_CHECK([for GNU C library with version >= 2], [r_cv_header_glibc2], [AC_EGREP_CPP([yes], [#include #if defined __GLIBC__ && __GLIBC__ >= 2 yes #endif ], [r_cv_header_glibc2=yes], [r_cv_header_glibc2=no], [r_cv_header_glibc2=no]) ]) if test "${r_cv_header_glibc2}" = yes; then AC_DEFINE(HAVE_GLIBC2, 1, [Define if you have the GNU C library version >= 2. This is needed to fix a problem with getting the prototype of strptime().]) fi ])# R_HEADER_GLIBC2 ## R_TYPE_SOCKLEN ## -------------- AC_DEFUN([R_TYPE_SOCKLEN], [AC_MSG_CHECKING([for type of socket length]) AC_CACHE_VAL([r_cv_type_socklen], [for t in socklen_t size_t int; do AC_TRY_COMPILE( [#include #include #ifdef HAVE_SYS_SOCKET_H #include #endif #ifdef Win32 #include #endif ], [(void)getsockopt (1, 1, 1, NULL, (${t} *)NULL)], [r_cv_type_socklen=${t}; break], [r_cv_type_socklen=]) done]) if test "x${r_cv_type_socklen}" = x; then warn_type_socklen="could not determine type of socket length" AC_MSG_WARN([${warn_type_socklen}]) else AC_MSG_RESULT([${r_cv_type_socklen} *]) fi AC_DEFINE_UNQUOTED(SOCKLEN_T, ${r_cv_type_socklen}, [Type for socket lengths: socklen_t, sock_t, int?]) ])# R_TYPE_SOCKLEN ### * System services ## R_GNOME ## ------- AC_DEFUN([R_GNOME], [if test ${want_gnome} = yes; then GNOME_INIT_HOOK([], [cont]) if test "${GNOMEUI_LIBS}"; then AM_PATH_LIBGLADE([use_gnome="yes" GNOME_IF_FILES="gnome-interface.glade"], [warn_libglade_version="GNOME support requires libglade version >= 0.3" AC_MSG_WARN([${warn_libglade_version}])], [gnome]) fi fi if test "${use_gnome}" != yes; then use_gnome="no" GNOME_IF_FILES= else AC_DEFINE(HAVE_GNOME, 1, [Define if the GNOME headers and libraries are available, and want the GNOME GUI to be built.]) fi AC_SUBST(HAVE_GNOME) AC_SUBST(GNOME_IF_FILES) ])# R_GNOME ## R_IEEE_754 ## ---------- AC_DEFUN([R_IEEE_754], [AC_CHECK_FUNCS([finite isnan]) AC_CHECK_DECLS([isfinite, isnan], , , [#include ]) AC_CACHE_CHECK([whether you have IEEE 754 floating-point arithmetic], [r_cv_ieee_754], [if (test "${ac_cv_func_finite}" = yes \ || test "${ac_cv_have_decl_isfinite}" = yes) \ && (test "${ac_cv_func_isnan}" = yes \ || test "${ac_cv_have_decl_isnan}" = yes); then r_cv_ieee_754=yes else r_cv_ieee_754=no fi]) if test "${r_cv_ieee_754}" = yes; then AC_DEFINE(IEEE_754, 1, [Define if you have IEEE 754 floating point arithmetic.]) fi ])# R_IEEE_754 ## R_BSD_NETWORKING ## ---------------- AC_DEFUN([R_BSD_NETWORKING], [AC_CACHE_CHECK([for BSD networking], [r_cv_bsd_networking], [if test "${ac_cv_header_netdb_h}" = yes \ && test "${ac_cv_header_netinet_in_h}" = yes \ && test "${ac_cv_header_sys_socket_h}" = yes \ && test "${ac_cv_search_connect}" != no \ && test "${ac_cv_search_gethostbyname}" != no; then r_cv_bsd_networking=yes else r_cv_bsd_networking=no fi]) if test "${r_cv_bsd_networking}" = yes; then AC_DEFINE(HAVE_BSD_NETWORKING, 1, [Define if you have BSD networking headers and libraries.]) AC_DEFINE(HAVE_SOCKETS, 1, [Define if you have support for sockets.]) AC_DEFINE(HAVE_INTERNET, 1, [Define if you have support for ftp/http access.]) AC_DEFINE(SUPPORT_LIBXML, 1, [Define if you provide support for the libxml ftp/http functions.]) fi ])# R_BSD_NETWORKING ## R_BITMAPS ## --------- ## Here we only need any old -lz, and don't need zlib.h. ## However, we do need recent enough libpng and jpeg, and so check both ## the header versions and for key routines in the library. ## The png code will do a run-time check of the consistency of libpng ## versions. AC_DEFUN([R_BITMAPS], [BITMAP_LIBS= _R_HEADER_JPEGLIB have_jpeg=${r_cv_header_jpeglib_h} if test "${have_jpeg}" = yes; then AC_CHECK_LIB(jpeg, jpeg_destroy_compress, [have_jpeg=yes], [have_jpeg=no], [${LIBS}]) fi if test "${have_jpeg}" = yes; then BITMAP_LIBS="-ljpeg" AC_DEFINE(HAVE_JPEG, 1, [Define if you have the JPEG headers and libraries.]) fi AC_CHECK_LIB(z, main, [have_png=yes], [have_png=no]) if test "${have_png}" = yes; then _R_HEADER_PNG have_png=${r_cv_header_png_h} fi if test "${have_png}" = yes; then AC_CHECK_LIB(png, png_create_write_struct, [have_png=yes], [have_png=no], [-lz ${LIBS}]) fi if test "${have_png}" = yes; then BITMAP_LIBS="${BITMAP_LIBS} -lpng -lz" AC_DEFINE(HAVE_PNG, 1, [Define if you have the PNG headers and libraries.]) fi AC_SUBST(BITMAP_LIBS) ])# R_BITMAPS ## _R_HEADER_JPEGLIB ## ----------------- ## Set shell variable r_cv_header_jpeglib_h to 'yes' if a recent enough ## jpeglib.h is found, and to 'no' otherwise. AC_DEFUN([_R_HEADER_JPEGLIB], [AC_CACHE_CHECK([if jpeglib version >= 6b], [r_cv_header_jpeglib_h], AC_EGREP_CPP([yes], [#include #if (JPEG_LIB_VERSION >= 62) yes #endif ], [r_cv_header_jpeglib_h=yes], [r_cv_header_jpeglib_h=no])) ])# _R_HEADER_JPEGLIB ## _R_HEADER_PNG ## ------------- ## Set shell variable r_cv_header_png_h to 'yes' if a recent enough ## 'png.h' is found, and to 'no' otherwise. AC_DEFUN([_R_HEADER_PNG], [AC_CACHE_CHECK([if libpng version >= 1.0.5], [r_cv_header_png_h], AC_EGREP_CPP([yes], [#include #if (PNG_LIBPNG_VER >= 10005) yes #endif ], [r_cv_header_png_h=yes], [r_cv_header_png_h=no])) ])# _R_HEADER_PNG ## _R_PATH_TCL_CONFIG ## ------------------ ## Try finding tclConfig.sh in common library directories and their ## tcl$x.$y subdirectories. Set shell variable r_cv_path_TCL_CONFIG ## to the entire path of the script if found, and leave it empty ## otherwise. AC_DEFUN([_R_PATH_TCL_CONFIG], [AC_MSG_CHECKING([for tclConfig.sh in library (sub)directories]) AC_CACHE_VAL([r_cv_path_TCL_CONFIG], [for ldir in /opt/lib /usr/local/lib /usr/lib /lib; do for dir in \ ${ldir} \ `ls -d ${ldir}/tcl[[8-9]].[[0-9]]* 2>/dev/null | sort -r`; do if test -f ${dir}/tclConfig.sh; then r_cv_path_TCL_CONFIG="${dir}/tclConfig.sh" break 2 fi done done]) if test -n "${r_cv_path_TCL_CONFIG}"; then AC_MSG_RESULT([${r_cv_path_TCL_CONFIG}]) else AC_MSG_RESULT([no]) fi ])# _R_PATH_TCL_CONFIG ## _R_PATH_TK_CONFIG ## ------------------ ## Try finding tkConfig.sh in common library directories and their ## tk$x.$y subdirectories. Set shell variable r_cv_path_TK_CONFIG ## to the entire path of the script if found, and leave it empty ## otherwise. AC_DEFUN([_R_PATH_TK_CONFIG], [AC_MSG_CHECKING([for tkConfig.sh in library (sub)directories]) AC_CACHE_VAL([r_cv_path_TK_CONFIG], [for ldir in /opt/lib /usr/local/lib /usr/lib /lib; do for dir in \ ${ldir} \ `ls -d ${ldir}/tk[[8-9]].[[0-9]]* 2>/dev/null | sort -r`; do if test -f ${dir}/tkConfig.sh; then r_cv_path_TK_CONFIG="${dir}/tkConfig.sh" break 2 fi done done]) if test -n "${r_cv_path_TK_CONFIG}"; then AC_MSG_RESULT([${r_cv_path_TK_CONFIG}]) else AC_MSG_RESULT([no]) fi ])# _R_PATH_TK_CONFIG ## _R_TCLTK_CONFIG ## --------------- ## Try finding the tclConfig.sh and tkConfig.sh scripts in PATH as well ## as in common library directories and their tcl/tk subdirectories. ## Set shell variables TCL_CONFIG and TK_CONFIG to the entire paths to ## the scripts if found and check that the corresponding Tcl/Tk versions ## are at least 8; if not, set shell variable have_tcltk to 'no'. AC_DEFUN([_R_TCLTK_CONFIG], [AC_PATH_PROGS(TCL_CONFIG, [${TCL_CONFIG} tclConfig.sh]) if test -z "${TCL_CONFIG}"; then _R_PATH_TCL_CONFIG if test -n "${r_cv_path_TCL_CONFIG}"; then TCL_CONFIG="${r_cv_path_TCL_CONFIG}" fi fi AC_PATH_PROGS(TK_CONFIG, [${TK_CONFIG} tkConfig.sh]) if test -z "${TK_CONFIG}"; then _R_PATH_TK_CONFIG if test -n "${r_cv_path_TK_CONFIG}"; then TK_CONFIG="${r_cv_path_TK_CONFIG}" fi fi if test -z "${TCLTK_CPPFLAGS}" \ || test -z "${TCLTK_LIBS}"; then ## Check whether the versions found via the *Config.sh files are at ## least 8; otherwise, issue a warning and turn off Tcl/Tk support. ## Note that in theory a system could have outdated versions of the ## *Config.sh scripts and yet up-to-date installations of Tcl/Tk in ## standard places ... if test -n "${TCL_CONFIG}"; then . ${TCL_CONFIG} if test ${TCL_MAJOR_VERSION} -lt 8; then warn_tcltk_version="Tcl/Tk support requires Tcl version >= 8" AC_MSG_WARN([${warn_tcltk_version}]) have_tcltk=no fi fi if test -n "${TK_CONFIG}" \ && test -z "${warn_tcltk_version}"; then . ${TK_CONFIG} if test ${TK_MAJOR_VERSION} -lt 8; then warn_tcltk_version="Tcl/Tk support requires Tk version >= 8" AC_MSG_WARN([${warn_tcltk_version}]) have_tcltk=no fi fi ## ## Shouldn't there also be a test that major and minor versions of ## the scripts match? ## fi ])# _R_TCLTK_CONFIG ## _R_HEADER_TCL ## ------------- ## Set shell variable 'r_cv_header_tcl_h' to 'yes' if a recent enough ## 'tcl.h' is found, and to 'no' otherwise. AC_DEFUN([_R_HEADER_TCL], [AC_CACHE_CHECK([for tcl.h], [r_cv_header_tcl_h], [AC_EGREP_CPP([yes], [#include #if (TCL_MAJOR_VERSION >= 8) yes #endif ], [r_cv_header_tcl_h=yes], [r_cv_header_tcl_h=no])]) ])# _R_HEADER_TCL ## _R_HEADER_TK ## ------------- ## Set shell variable 'r_cv_header_tk_h' to 'yes' if a recent enough ## 'tk.h' is found, and to 'no' otherwise. AC_DEFUN([_R_HEADER_TK], [AC_CACHE_CHECK([for tk.h], [r_cv_header_tk_h], [AC_EGREP_CPP([yes], [#include #if (TK_MAJOR_VERSION >= 8) yes #endif ], [r_cv_header_tk_h=yes], [r_cv_header_tk_h=no])]) ])# _R_HEADER_TK ## _R_TCLTK_CPPFLAGS ## ----------------- ## Need to ensure that we can find the tcl.h and tk.h headers, which ## may be in non-standard and/or version-dependent directories, such as ## on FreeBSD systems. ## ## The logic is as follows. If TCLTK_CPPFLAGS was specified, then we ## do not investigate any further. Otherwise, if we still think we ## have Tcl/Tk, then first try via the corresponding *Config.sh file, ## or else try the obvious. AC_DEFUN([_R_TCLTK_CPPFLAGS], [AC_REQUIRE([_R_TCLTK_CONFIG]) if test -z "${TCLTK_CPPFLAGS}"; then ## We have to do the work. if test "${have_tcltk}" = yes; then ## Part 1. Check for tcl.h. found_tcl_h=no if test -n "${TCL_CONFIG}"; then . ${TCL_CONFIG} ## Look for tcl.h in ## ${TCL_PREFIX}/include/tcl${TCL_VERSION} ## ${TCL_PREFIX}/include ## ## Also look in ## ${TCL_PREFIX}/include/tcl${TCL_VERSION}/generic ## to deal with current FreeBSD layouts. These also link the real ## thing to the version subdir, but the link cannot be used as it ## fails to include 'tclDecls.h' which is not linked. Hence we ## must look for the real thing first. Argh ... ## for dir in \ ${TCL_PREFIX}/include/tcl${TCL_VERSION}/generic \ ${TCL_PREFIX}/include/tcl${TCL_VERSION} \ ${TCL_PREFIX}/include; do AC_CHECK_HEADER([${dir}/tcl.h], [TCLTK_CPPFLAGS="-I${dir}" found_tcl_h=yes break]) done fi if test "${found_tcl_h}" = no; then _R_HEADER_TCL if test "${r_cv_header_tcl_h}" = yes; then found_tcl_h=yes else have_tcltk=no fi fi fi if test "${have_tcltk}" = yes; then ## Part 2. Check for tk.h. found_tk_h=no if test -n "${TK_CONFIG}"; then . ${TK_CONFIG} ## Look for tk.h in ## ${TK_PREFIX}/include/tk${TK_VERSION} ## ${TK_PREFIX}/include ## ## Also look in ## ${TK_PREFIX}/include/tcl${TK_VERSION} ## to compensate for Debian madness ... ## ## ## Also look in ## ${TK_PREFIX}/include/tk${TK_VERSION}/generic ## to deal with current FreeBSD layouts. See above for details. ## ## As the AC_CHECK_HEADER test tries including the header file and ## tk.h includes tcl.h and X11/Xlib.h, we need to change CPPFLAGS ## for the check. r_save_CPPFLAGS="${CPPFLAGS}" CPPFLAGS="${CPPFLAGS} ${TK_XINCLUDES} ${TCLTK_CPPFLAGS}" for dir in \ ${TK_PREFIX}/include/tk${TK_VERSION}/generic \ ${TK_PREFIX}/include/tk${TK_VERSION} \ ${TK_PREFIX}/include/tcl${TK_VERSION} \ ${TK_PREFIX}/include; do AC_CHECK_HEADER([${dir}/tk.h], [TCLTK_CPPFLAGS="${TCLTK_CPPFLAGS} -I${dir}" found_tk_h=yes break]) done CPPFLAGS="${r_save_CPPFLAGS}" fi if test "${found_tk_h}" = no; then _R_HEADER_TK if test "{r_cv_header_tk_h}" = yes; then found_tk_h=yes else have_tcltk=no fi fi fi fi ])# _R_TCLTK_CPPFLAGS ## _R_TCLTK_LIBS ## ------------- ## Find the tcl and tk libraries. AC_DEFUN([_R_TCLTK_LIBS], [AC_REQUIRE([AC_PATH_XTRA]) AC_REQUIRE([_R_TCLTK_CONFIG]) if test -z "${TCLTK_LIBS}"; then ## We have to do the work. if test "${have_tcltk}" = yes; then ## Part 1. Try finding the tcl library. if test -n "${TCL_CONFIG}"; then . ${TCL_CONFIG} TCLTK_LIBS="${TCL_LIB_SPEC}" else AC_CHECK_LIB(tcl, Tcl_CreateInterp, [TCLTK_LIBS=-ltcl], [have_tcltk=no]) fi fi if test "${have_tcltk}" = yes; then ## Part 2. Try finding the tk library. if test -n "${TK_CONFIG}"; then . ${TK_CONFIG} TCLTK_LIBS="${TCLTK_LIBS} ${TK_LIB_SPEC} ${TK_LIBS}" else AC_CHECK_LIB(tk, Tk_Init, , , [${TCLTK_LIBS}]) if test "${ac_cv_lib_tk_Tk_Init}" = no; then ## Grr, simple -ltk does not work. ## But maybe we simply need to add X11 libs. ## Note that we cannot simply repeat the above test with extra ## libs, because AC_CHECK_LIB uses the corresponding cache var ## (ac_cv_lib_tk_Tk_Init in our case) if set. As using unset ## is not portable shell programming according to the Autoconf ## docs, we use Tk_SafeInit in the test with X11 libs added. AC_CHECK_LIB(tk, Tk_SafeInit, [TCLTK_LIBS="${TCLTK_LIBS} -ltk ${X_LIBS}"], [have_tcltk=no], [${TCLTK_LIBS} ${X_LIBS}]) fi fi fi ## Postprocessing for AIX. ## On AIX, the *_LIB_SPEC variables need to contain '-bI:' flags for ## the Tcl export file. These are really flags for ld rather than the ## C/C++ compilers, and hence may need protection via '-Wl,'. ## We have two ways of doing that: ## * Recording whether '-Wl,' is needed for the C or C++ compilers, ## and getting this info into the TCLTK_LIBS make variable ... mess! ## * Protecting all entries in TCLTK_LIBS that do not start with '-l' ## or '-L' with '-Wl,' (hoping that all compilers understand this). ## Easy, hence ... case "${host_os}" in aix*) orig_TCLTK_LIBS="${TCLTK_LIBS}" TCLTK_LIBS= for flag in ${orig_TCLTK_LIBS}; do case "${flag}" in -l*|-L*|-Wl,*) ;; *) flag="-Wl,${flag}" ;; esac TCLTK_LIBS="${TCLTK_LIBS} ${flag}" done ;; esac fi ])# _R_TCLTK_LIBS ## R_TCLTK ## ------- AC_DEFUN([R_TCLTK], [if test "${want_tcltk}" = yes; then have_tcltk=yes _R_TCLTK_CONFIG _R_TCLTK_CPPFLAGS _R_TCLTK_LIBS else have_tcltk=no ## Just making sure. TCLTK_CPPFLAGS= TCLTK_LIBS= fi if test "${have_tcltk}" = yes; then AC_DEFINE(HAVE_TCLTK, 1, [Define if you have the Tcl/Tk headers and libraries and want Tcl/Tk support to be built.]) use_tcltk=yes if test -n "${TK_XINCLUDES}"; then TCLTK_CPPFLAGS="${TCLTK_CPPFLAGS} ${TK_XINCLUDES}" else TCLTK_CPPFLAGS="${TCLTK_CPPFLAGS} ${X_CFLAGS}" fi else use_tcltk=no fi AC_SUBST(TCLTK_CPPFLAGS) AC_SUBST(TCLTK_LIBS) AC_SUBST(use_tcltk) ])# R_TCLTK ## R_BLAS_LIBS ## ----------- ## Look for a library that implements the BLAS linear-algebra interface ## (see http://www.netlib.org/blas/). On success, sets BLAS_LIBS to the ## requisite library linkages. ## ## This is based on ACX_BLAS by Steven G. Johnson ## from the Official Autoconf Macro Archive ## (http://www.gnu.org/software/ac-archive/Installed_Packages/acx_blas.m4), ## with the following changes: ## * We also handle HPUX .sl command line specifications. ## * We explictly deal with the case of f2c. Most likely pointless. ## * We only care about the FORTRAN 77 interface to Atlas, hence do not ## test for -lcblas. ## * We do not use BLAS libs that caused problems in the past: Alpha ## CXML and DXML, and SGI SCSL and SGIMATH (marked with COMMENT tags). ## * We do not use ACTION-IF-FOUND and ACTION-IF-NOT-FOUND. ## Based on acx_blas.m4 version 1.2 (2001-12-13) AC_DEFUN([R_BLAS_LIBS], [AC_REQUIRE([R_PROG_F77_FLIBS]) AC_REQUIRE([R_PROG_F77_APPEND_UNDERSCORE]) AC_REQUIRE([R_PROG_F2C_FLIBS]) acx_blas_ok=no case "${with_blas}" in yes | "") ;; no) acx_blas_ok=disable ;; -* | */* | *.a | *.so | *.so.* | *.sl | *.sl.* | *.o) BLAS_LIBS="${with_blas}" ;; *) BLAS_LIBS="-l${with_blas}" ;; esac if test "${r_cv_prog_f77_append_underscore}" = yes \ || test -n "${F2C}"; then dgemm=dgemm_ sgemm=sgemm_ else dgemm=dgemm sgemm=sgemm fi acx_blas_save_LIBS="${LIBS}" LIBS="${LIBS} ${FLIBS}" ## First, check BLAS_LIBS environment variable if test "${acx_blas_ok}" = no; then if test "x${BLAS_LIBS}" != x; then save_LIBS="${LIBS}"; LIBS="${BLAS_LIBS} ${LIBS}" AC_MSG_CHECKING([for ${sgemm} in ${BLAS_LIBS}]) AC_TRY_LINK_FUNC(${sgemm}, [acx_blas_ok=yes], [BLAS_LIBS=""]) AC_MSG_RESULT(${acx_blas_ok}) LIBS="$save_LIBS" fi fi ## BLAS linked to by default? (happens on some supercomputers) if test "${acx_blas_ok}" = no; then AC_CHECK_FUNC(${sgemm}, [acx_blas_ok=yes]) fi ## BLAS in ATLAS library? (http://math-atlas.sourceforge.net/) if test "${acx_blas_ok}" = no; then AC_CHECK_LIB(atlas, ATL_xerbla, [AC_CHECK_LIB(f77blas, ${sgemm}, [acx_blas_ok=yes BLAS_LIBS="-lf77blas -latlas"], [], [-latlas])]) fi ## BLAS in PhiPACK libraries? (requires generic BLAS lib, too) if test "${acx_blas_ok}" = no; then AC_CHECK_LIB(blas, ${sgemm}, [AC_CHECK_LIB(dgemm, $dgemm, [AC_CHECK_LIB(sgemm, ${sgemm}, [acx_blas_ok=yes BLAS_LIBS="-lsgemm -ldgemm -lblas"], [], [-lblas])], [], [-lblas])]) fi ## ## ## BLAS in Alpha CXML library? ## if test "${acx_blas_ok}" = no; then ## AC_CHECK_LIB(cxml, ${sgemm}, ## [acx_blas_ok=yes; BLAS_LIBS="-lcxml"]) ## fi ## ## ## # BLAS in Alpha DXML library? (now called CXML, see above) ## if test "${acx_blas_ok}" = no; then ## AC_CHECK_LIB(dxml, ${sgemm}, ## [acx_blas_ok=yes; BLAS_LIBS="-ldxml"]) ## fi ## ## BLAS in Sun Performance library? if test "${acx_blas_ok}" = no; then if test "x$GCC" != xyes; then # only works with Sun CC AC_CHECK_LIB(sunmath, acosp, [AC_CHECK_LIB(sunperf, ${sgemm}, [BLAS_LIBS="-xlic_lib=sunperf -lsunmath" acx_blas_ok=yes], [], [-lsunmath])]) fi fi ## ## ## BLAS in SCSL library? (SGI/Cray Scientific Library) ## if test "${acx_blas_ok}" = no; then ## AC_CHECK_LIB(scs, ${sgemm}, ## [acx_blas_ok=yes; BLAS_LIBS="-lscs"]) ## fi ## ## ## ## BLAS in SGIMATH library? ## if test "${acx_blas_ok}" = no; then ## AC_CHECK_LIB(complib.sgimath, ${sgemm}, ## [acx_blas_ok=yes; BLAS_LIBS="-lcomplib.sgimath"]) ## fi ## ## BLAS in IBM ESSL library? (requires generic BLAS lib, too) if test "${acx_blas_ok}" = no; then AC_CHECK_LIB(blas, ${sgemm}, [AC_CHECK_LIB(essl, ${sgemm}, [acx_blas_ok=yes BLAS_LIBS="-lessl -lblas"], [], [-lblas ${FLIBS}])]) fi ## Generic BLAS library? if test "${acx_blas_ok}" = no; then AC_CHECK_LIB(blas, ${sgemm}, [acx_blas_ok=yes; BLAS_LIBS="-lblas"]) fi LIBS="${acx_blas_save_LIBS}" AC_SUBST(BLAS_LIBS) ])# R_BLAS_LIBS ## R_XDR ## ----- ## Try finding XDR library functions and headers. ## In theory we only need rpc/xdr.h, but on some platforms ## that is not usable without rpc/types.h, so we just ## include rpc/rpc.h which seems to work everywhere. AC_DEFUN([R_XDR], [AC_CACHE_CHECK([for XDR support], [r_cv_xdr], [if test "${ac_cv_header_rpc_rpc_h}" = yes \ && test "${ac_cv_search_xdr_string}" != no ; then r_cv_xdr=yes else r_cv_xdr=no fi]) if test "${r_cv_xdr}" = yes; then AC_DEFINE(HAVE_XDR, 1, [Define if you have the XDR headers and library routines.]) fi AM_CONDITIONAL(BUILD_XDR, [test "x${r_cv_xdr}" = xno]) ])# R_XDR ## R_ZLIB ## ------ ## Try finding zlib library and headers. ## We check that both are installed, and that the header >= 1.1.3 ## and that gzeof is in the library (which suggests the library ## is also recent enough). AC_DEFUN([R_ZLIB], [AC_CHECK_LIB(z, gzeof, [have_zlib=yes], [have_zlib=no]) if test "${have_zlib}" = yes; then AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no]) fi if test "${have_zlib}" = yes; then _R_HEADER_ZLIB have_zlib=${r_cv_header_zlib_h} fi AC_MSG_CHECKING([whether zlib support needs to be compiled]) if test "${have_zlib}" = yes; then AC_MSG_RESULT([no]) AC_DEFINE(HAVE_ZLIB, 1, [Define if you have the zlib headers and libraries.]) LIBS="-lz ${LIBS}" else AC_MSG_RESULT([yes]) _R_ZLIB_MMAP fi AM_CONDITIONAL(BUILD_ZLIB, [test "x${have_zlib}" = xno]) AM_CONDITIONAL(USE_MMAP_ZLIB, [test "x${have_zlib}" = xno && test "x${r_cv_zlib_mmap}" = xyes]) ])# R_ZLIB ## _R_HEADER_ZLIB ## -------------- ## Set shell variable r_cv_header_zlib_h to 'yes' if a recent enough ## zlib.h is found, and to 'no' otherwise. AC_DEFUN([_R_HEADER_ZLIB], [AC_CACHE_CHECK([if zlib version >= 1.1.3], [r_cv_header_zlib_h], AC_TRY_RUN( [#include #include int main() { #ifdef ZLIB_VERSION exit(strcmp(ZLIB_VERSION, "1.1.3") < 0); #else exit(1); #endif }], [r_cv_header_zlib_h=yes], [r_cv_header_zlib_h=no], [r_cv_header_zlib_h=no])) ])# _R_HEADER_ZLIB ## _R_ZLIB_MMAP ## ------------ AC_DEFUN([_R_ZLIB_MMAP], [AC_CACHE_CHECK([mmap support for zlib], [r_cv_zlib_mmap], AC_TRY_RUN( [#include #include #include caddr_t hello() { exit(mmap((caddr_t)0, (off_t)0, PROT_READ, MAP_SHARED, 0, (off_t)0)); }], [r_cv_zlib_mmap=no], [r_cv_zlib_mmap=yes], [r_cv_zlib_mmap=yes])) ])# _R_ZLIB_MMAP ## R_BZLIB ## ------ ## Try finding bzlib library and headers. ## We check that both are installed, ## and that BZ2_bzlibVersion is in the library. AC_DEFUN([R_BZLIB], [AC_CHECK_LIB(bz2, BZ2_bzlibVersion, [have_bzlib=yes], [have_bzlib=no]) if test "${have_bzlib}" = yes; then AC_CHECK_HEADER(bzlib.h, [have_bzlib=yes], [have_bzlib=no]) fi if test "${have_bzlib}" = yes; then AC_DEFINE(HAVE_BZLIB, 1, [Define if you have the bzip2 headers and libraries.]) LIBS="-lbz2 ${LIBS}" fi ])# R_BZLIB ## R_SYS_POSIX_LEAPSECONDS ## ----------------------- ## See if your system time functions do not count leap seconds, as ## required by POSIX. AC_DEFUN([R_SYS_POSIX_LEAPSECONDS], [AC_CACHE_CHECK([whether leap seconds are treated according to POSIX], [r_cv_sys_posix_leapseconds], AC_TRY_RUN([ #include #include #include #include "confdefs.h" int main () { struct tm *tm; time_t ct; ctime(&ct); ct = ct - (ct % 60); tm = gmtime(&ct); if(tm->tm_sec == 0) exit(1); else exit(0); }], [r_cv_sys_posix_leapseconds=no], [r_cv_sys_posix_leapseconds=yes], [r_cv_sys_posix_leapseconds=yes])) if test "x${r_cv_sys_posix_leapseconds}" = xyes; then AC_DEFINE(HAVE_POSIX_LEAPSECONDS, 1, [Define if your system time functions do not count leap seconds, as required by POSIX.]) fi ])# R_SYS_POSIX_LEAPSECONDS ### Local variables: *** ### mode: outline-minor *** ### outline-regexp: "### [*]+" *** ### End: *** dnl dnl GNOME_GNORBA_HOOK (script-if-gnorba-found, failflag) dnl dnl if failflag is "failure" it aborts if gnorba is not found. dnl AC_DEFUN([GNOME_GNORBA_HOOK],[ GNOME_ORBIT_HOOK([],$2) AC_CACHE_CHECK([for gnorba libraries],gnome_cv_gnorba_found,[ gnome_cv_gnorba_found=no if test x$gnome_cv_orbit_found = xyes; then GNORBA_CFLAGS="`gnome-config --cflags gnorba gnomeui`" GNORBA_LIBS="`gnome-config --libs gnorba gnomeui`" if test -n "$GNORBA_LIBS"; then gnome_cv_gnorba_found=yes fi fi ]) AM_CONDITIONAL(HAVE_GNORBA, test x$gnome_cv_gnorba_found = xyes) if test x$gnome_cv_orbit_found = xyes; then $1 GNORBA_CFLAGS="`gnome-config --cflags gnorba gnomeui`" GNORBA_LIBS="`gnome-config --libs gnorba gnomeui`" AC_SUBST(GNORBA_CFLAGS) AC_SUBST(GNORBA_LIBS) else if test x$2 = xfailure; then AC_MSG_ERROR(gnorba library not installed or installation problem) fi fi ]) AC_DEFUN([GNOME_GNORBA_CHECK], [ GNOME_GNORBA_HOOK([],failure) ]) dnl dnl GNOME_ORBIT_HOOK (script-if-orbit-found, failflag) dnl dnl if failflag is "failure" it aborts if orbit is not found. dnl AC_DEFUN([GNOME_ORBIT_HOOK],[ AC_PATH_PROG(ORBIT_CONFIG,orbit-config,no) AC_PATH_PROG(ORBIT_IDL,orbit-idl,no) AC_CACHE_CHECK([for working ORBit environment],gnome_cv_orbit_found,[ if test x$ORBIT_CONFIG = xno -o x$ORBIT_IDL = xno; then gnome_cv_orbit_found=no else gnome_cv_orbit_found=yes fi ]) AM_CONDITIONAL(HAVE_ORBIT, test x$gnome_cv_orbit_found = xyes) if test x$gnome_cv_orbit_found = xyes; then $1 ORBIT_CFLAGS=`orbit-config --cflags client server` ORBIT_LIBS=`orbit-config --use-service=name --libs client server` AC_SUBST(ORBIT_CFLAGS) AC_SUBST(ORBIT_LIBS) else if test x$2 = xfailure; then AC_MSG_ERROR(ORBit not installed or installation problem) fi fi ]) AC_DEFUN([GNOME_ORBIT_CHECK], [ GNOME_ORBIT_HOOK([],failure) ]) dnl dnl GNOME_INIT_HOOK (script-if-gnome-enabled, [failflag], [additional-inits]) dnl dnl if failflag is "fail" then GNOME_INIT_HOOK will abort if gnomeConf.sh dnl is not found. dnl AC_DEFUN([GNOME_INIT_HOOK],[ AC_SUBST(GNOME_LIBS) AC_SUBST(GNOMEUI_LIBS) AC_SUBST(GNOMEGNORBA_LIBS) AC_SUBST(GTKXMHTML_LIBS) AC_SUBST(ZVT_LIBS) AC_SUBST(GNOME_LIBDIR) AC_SUBST(GNOME_INCLUDEDIR) AC_ARG_WITH(gnome-includes, [ --with-gnome-includes=DIR specify location of GNOME headers []], [ CPPFLAGS="$CPPFLAGS -I$withval" ]) AC_ARG_WITH(gnome-libs, [ --with-gnome-libs=DIR specify location of GNOME libs []], [ LIBS="$LIBS -L$withval" gnome_prefix=$withval ]) if test "x$want_gnome" = xyes; then AC_PATH_PROG(GNOME_CONFIG,gnome-config,no) if test "$GNOME_CONFIG" = "no"; then no_gnome_config="yes" else AC_MSG_CHECKING(if $GNOME_CONFIG works) if $GNOME_CONFIG --libs-only-l gnome >/dev/null 2>&1; then AC_MSG_RESULT(yes) GNOME_GNORBA_HOOK([],$2) GNOME_LIBS="`$GNOME_CONFIG --libs-only-l gnome`" GNOMEUI_LIBS="`$GNOME_CONFIG --libs-only-l gnomeui`" GNOMEGNORBA_LIBS="`$GNOME_CONFIG --libs-only-l gnorba gnomeui`" GTKXMHTML_LIBS="`$GNOME_CONFIG --libs-only-l gtkxmhtml`" ZVT_LIBS="`$GNOME_CONFIG --libs-only-l zvt`" GNOME_LIBDIR="`$GNOME_CONFIG --libs-only-L gnorba gnomeui`" GNOME_INCLUDEDIR="`$GNOME_CONFIG --cflags gnorba gnomeui`" $1 else AC_MSG_RESULT(no) no_gnome_config="yes" fi fi if test x$gnome_prefix = x; then if test x$exec_prefix = xNONE; then if test x$prefix = xNONE; then gnome_prefix=$ac_default_prefix/lib else gnome_prefix=$prefix/lib fi else gnome_prefix=`eval echo \`echo $libdir\`` fi fi if test "$no_gnome_config" = "yes"; then AC_MSG_CHECKING(for gnomeConf.sh file in $gnome_prefix) if test -f $gnome_prefix/gnomeConf.sh; then AC_MSG_RESULT(found) echo "loading gnome configuration from" \ "$gnome_prefix/gnomeConf.sh" . $gnome_prefix/gnomeConf.sh $1 else AC_MSG_RESULT(not found) if test x$2 = xfail; then AC_MSG_ERROR(Could not find the gnomeConf.sh file that is generated by gnome-libs install) fi fi fi fi if test -n "$3"; then n="$3" for i in $n; do AC_MSG_CHECKING(extra library \"$i\") case $i in applets) AC_SUBST(GNOME_APPLETS_LIBS) GNOME_APPLETS_LIBS=`$GNOME_CONFIG --libs-only-l applets` AC_MSG_RESULT($GNOME_APPLETS_LIBS);; capplet) AC_SUBST(GNOME_CAPPLET_LIBS) GNOME_CAPPLET_LIBS=`$GNOME_CONFIG --libs-only-l capplet` AC_MSG_RESULT($GNOME_CAPPLET_LIBS);; *) AC_MSG_RESULT(unknown library) esac done fi ]) dnl dnl GNOME_INIT ([additional-inits]) dnl AC_DEFUN([GNOME_INIT],[ GNOME_INIT_HOOK([],fail,$1) ]) # a macro to get the libs/cflags for libglade # serial 1 dnl AM_PATH_LIBGLADE([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, MODULES]]]) dnl Test to see if libglade is installed, and define LIBGLADE_CFLAGS, LIBS dnl AC_DEFUN(AM_PATH_LIBGLADE, [dnl dnl Get the cflags and libraries from the libglade-config script dnl AC_ARG_WITH(libglade-config, [ --with-libglade-config=LIBGLADE_CONFIG specify location of libglade-config []], LIBGLADE_CONFIG="$withval") module_args= for module in . $3; do case "$module" in gnome) module_args="$module_args gnome" ;; bonobo) module_args="$module_args bonobo" ;; gnomedb) module_args="$module_args gnomedb" ;; esac done AC_PATH_PROG(LIBGLADE_CONFIG, libglade-config, no) AC_MSG_CHECKING(for libglade) if test "$LIBGLADE_CONFIG" = "no"; then AC_MSG_RESULT(no) ifelse([$2], , :, [$2]) else if $LIBGLADE_CONFIG --check $module_args; then LIBGLADE_CFLAGS=`$LIBGLADE_CONFIG --cflags $module_args` LIBGLADE_LIBS=`$LIBGLADE_CONFIG --libs $module_args` AC_MSG_RESULT(yes) ifelse([$1], , :, [$1]) else echo "*** libglade was not compiled with support for $module_args" 1>&2 AC_MSG_RESULT(no) ifelse([$2], , :, [$2]) fi fi AC_SUBST(LIBGLADE_CFLAGS) AC_SUBST(LIBGLADE_LIBS) ]) # libtool.m4 - Configure libtool for the host system. -*-Shell-script-*- ## Copyright 1996, 1997, 1998, 1999, 2000, 2001 ## Free Software Foundation, Inc. ## Originally by Gordon Matzigkeit , 1996 ## ## This program is free software; you can redistribute it and/or modify ## it under the terms of the GNU General Public License as published by ## the Free Software Foundation; either version 2 of the License, or ## (at your option) any later version. ## ## This program is distributed in the hope that it will be useful, but ## WITHOUT ANY WARRANTY; without even the implied warranty of ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ## General Public License for more details. ## ## You should have received a copy of the GNU General Public License ## along with this program; if not, write to the Free Software ## Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. ## ## As a special exception to the GNU General Public License, if you ## distribute this file as part of a program that contains a ## configuration script generated by Autoconf, you may include it under ## the same distribution terms that you use for the rest of that program. # serial 46 AC_PROG_LIBTOOL AC_DEFUN([AC_PROG_LIBTOOL], [AC_REQUIRE([AC_LIBTOOL_SETUP])dnl # This can be used to rebuild libtool when needed LIBTOOL_DEPS="$ac_aux_dir/ltmain.sh" # Always use our own libtool. LIBTOOL='$(SHELL) $(top_builddir)/libtool' AC_SUBST(LIBTOOL)dnl # Prevent multiple expansion define([AC_PROG_LIBTOOL], []) ]) AC_DEFUN([AC_LIBTOOL_SETUP], [AC_PREREQ(2.13)dnl AC_REQUIRE([AC_ENABLE_SHARED])dnl AC_REQUIRE([AC_ENABLE_STATIC])dnl AC_REQUIRE([AC_ENABLE_FAST_INSTALL])dnl AC_REQUIRE([AC_CANONICAL_HOST])dnl AC_REQUIRE([AC_CANONICAL_BUILD])dnl AC_REQUIRE([AC_PROG_CC])dnl AC_REQUIRE([AC_PROG_LD])dnl AC_REQUIRE([AC_PROG_LD_RELOAD_FLAG])dnl AC_REQUIRE([AC_PROG_NM])dnl AC_REQUIRE([AC_PROG_LN_S])dnl AC_REQUIRE([AC_DEPLIBS_CHECK_METHOD])dnl AC_REQUIRE([AC_OBJEXT])dnl AC_REQUIRE([AC_EXEEXT])dnl dnl _LT_AC_PROG_ECHO_BACKSLASH # Only perform the check for file, if the check method requires it case $deplibs_check_method in file_magic*) if test "$file_magic_cmd" = '$MAGIC_CMD'; then AC_PATH_MAGIC fi ;; esac AC_CHECK_TOOL(RANLIB, ranlib, :) AC_CHECK_TOOL(STRIP, strip, :) ifdef([AC_PROVIDE_AC_LIBTOOL_DLOPEN], enable_dlopen=yes, enable_dlopen=no) ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL], enable_win32_dll=yes, enable_win32_dll=no) AC_ARG_ENABLE(libtool-lock, [ --disable-libtool-lock avoid locking (might break parallel builds)]) test "x$enable_libtool_lock" != xno && enable_libtool_lock=yes # Some flags need to be propagated to the compiler or linker for good # libtool support. case $host in *-*-irix6*) # Find out which ABI we are using. echo '[#]line __oline__ "configure"' > conftest.$ac_ext if AC_TRY_EVAL(ac_compile); then case `/usr/bin/file conftest.$ac_objext` in *32-bit*) LD="${LD-ld} -32" ;; *N32*) LD="${LD-ld} -n32" ;; *64-bit*) LD="${LD-ld} -64" ;; esac fi rm -rf conftest* ;; *-*-sco3.2v5*) # On SCO OpenServer 5, we need -belf to get full-featured binaries. 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AC_MSG_CHECKING([command to parse $NM output]) AC_CACHE_VAL([lt_cv_sys_global_symbol_pipe], [dnl # These are sane defaults that work on at least a few old systems. # [They come from Ultrix. 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It backslashifies # metacharacters that are still active within double-quoted strings. Xsed='sed -e s/^X//' sed_quote_subst='s/\([[\\"\\`$\\\\]]\)/\\\1/g' # Same as above, but do not quote variable references. double_quote_subst='s/\([[\\"\\`\\\\]]\)/\\\1/g' # Sed substitution to delay expansion of an escaped shell variable in a # double_quote_subst'ed string. delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g' # Constants: rm="rm -f" # Global variables: default_ofile=libtool can_build_shared=yes # All known linkers require a `.a' archive for static linking (except M$VC, # which needs '.lib'). libext=a ltmain="$ac_aux_dir/ltmain.sh" ofile="$default_ofile" with_gnu_ld="$lt_cv_prog_gnu_ld" need_locks="$enable_libtool_lock" old_CC="$CC" old_CFLAGS="$CFLAGS" # Set sane defaults for various variables test -z "$AR" && AR=ar test -z "$AR_FLAGS" && AR_FLAGS=cru test -z "$AS" && AS=as test -z "$CC" && CC=cc test -z "$DLLTOOL" && DLLTOOL=dlltool test -z "$LD" && LD=ld test -z "$LN_S" && LN_S="ln -s" test -z "$MAGIC_CMD" && MAGIC_CMD=file test -z "$NM" && NM=nm test -z "$OBJDUMP" && OBJDUMP=objdump test -z "$RANLIB" && RANLIB=: test -z "$STRIP" && STRIP=: test -z "$ac_objext" && ac_objext=o if test x"$host" != x"$build"; then ac_tool_prefix=${host_alias}- else ac_tool_prefix= fi # Transform linux* to *-*-linux-gnu*, to support old configure scripts. case $host_os in linux-gnu*) ;; linux*) host=`echo $host | sed 's/^\(.*-.*-linux\)\(.*\)$/\1-gnu\2/'` esac case $host_os in aix3*) # AIX sometimes has problems with the GCC collect2 program. For some # reason, if we set the COLLECT_NAMES environment variable, the problems # vanish in a puff of smoke. if test "X${COLLECT_NAMES+set}" != Xset; then COLLECT_NAMES= export COLLECT_NAMES fi ;; esac # Determine commands to create old-style static archives. old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs$old_deplibs' old_postinstall_cmds='chmod 644 $oldlib' old_postuninstall_cmds= if test -n "$RANLIB"; then case $host_os in openbsd*) old_postinstall_cmds="\$RANLIB -t \$oldlib~$old_postinstall_cmds" ;; *) old_postinstall_cmds="\$RANLIB \$oldlib~$old_postinstall_cmds" ;; esac old_archive_cmds="$old_archive_cmds~\$RANLIB \$oldlib" fi # Allow CC to be a program name with arguments. set dummy $CC compiler="[$]2" ## FIXME: this should be a separate macro ## AC_MSG_CHECKING([for objdir]) rm -f .libs 2>/dev/null mkdir .libs 2>/dev/null if test -d .libs; then objdir=.libs else # MS-DOS does not allow filenames that begin with a dot. objdir=_libs fi rmdir .libs 2>/dev/null AC_MSG_RESULT($objdir) ## ## END FIXME ## FIXME: this should be a separate macro ## AC_ARG_WITH(pic, [ --with-pic try to use only PIC/non-PIC objects [default=use both]], pic_mode="$withval", pic_mode=default) test -z "$pic_mode" && pic_mode=default # We assume here that the value for lt_cv_prog_cc_pic will not be cached # in isolation, and that seeing it set (from the cache) indicates that # the associated values are set (in the cache) correctly too. AC_MSG_CHECKING([for $compiler option to produce PIC]) AC_CACHE_VAL(lt_cv_prog_cc_pic, [ lt_cv_prog_cc_pic= lt_cv_prog_cc_shlib= lt_cv_prog_cc_wl= lt_cv_prog_cc_static= lt_cv_prog_cc_no_builtin= lt_cv_prog_cc_can_build_shared=$can_build_shared if test "$GCC" = yes; then lt_cv_prog_cc_wl='-Wl,' lt_cv_prog_cc_static='-static' case $host_os in aix*) # Below there is a dirty hack to force normal static linking with -ldl # The problem is because libdl dynamically linked with both libc and # libC (AIX C++ library), which obviously doesn't included in libraries # list by gcc. This cause undefined symbols with -static flags. # This hack allows C programs to be linked with "-static -ldl", but # not sure about C++ programs. lt_cv_prog_cc_static="$lt_cv_prog_cc_static ${lt_cv_prog_cc_wl}-lC" ;; amigaos*) # FIXME: we need at least 68020 code to build shared libraries, but # adding the `-m68020' flag to GCC prevents building anything better, # like `-m68040'. lt_cv_prog_cc_pic='-m68020 -resident32 -malways-restore-a4' ;; beos* | irix5* | irix6* | osf3* | osf4* | osf5*) # PIC is the default for these OSes. ;; darwin* | rhapsody*) # PIC is the default on this platform # Common symbols not allowed in MH_DYLIB files lt_cv_prog_cc_pic='-fno-common' ;; cygwin* | mingw* | pw32* | os2*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). lt_cv_prog_cc_pic='-DDLL_EXPORT' ;; sysv4*MP*) if test -d /usr/nec; then lt_cv_prog_cc_pic=-Kconform_pic fi ;; *) lt_cv_prog_cc_pic='-fPIC' ;; esac else # PORTME Check for PIC flags for the system compiler. case $host_os in aix3* | aix4* | aix5*) lt_cv_prog_cc_wl='-Wl,' # All AIX code is PIC. if test "$host_cpu" = ia64; then # AIX 5 now supports IA64 processor lt_cv_prog_cc_static='-Bstatic' else lt_cv_prog_cc_static='-bnso -bI:/lib/syscalls.exp' fi ;; hpux9* | hpux10* | hpux11*) # Is there a better lt_cv_prog_cc_static that works with the bundled CC? lt_cv_prog_cc_wl='-Wl,' lt_cv_prog_cc_static="${lt_cv_prog_cc_wl}-a ${lt_cv_prog_cc_wl}archive" lt_cv_prog_cc_pic='+Z' ;; irix5* | irix6*) lt_cv_prog_cc_wl='-Wl,' lt_cv_prog_cc_static='-non_shared' # PIC (with -KPIC) is the default. ;; cygwin* | mingw* | pw32* | os2*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). lt_cv_prog_cc_pic='-DDLL_EXPORT' ;; newsos6) lt_cv_prog_cc_pic='-KPIC' lt_cv_prog_cc_static='-Bstatic' ;; osf3* | osf4* | osf5*) # All OSF/1 code is PIC. lt_cv_prog_cc_wl='-Wl,' lt_cv_prog_cc_static='-non_shared' ;; sco3.2v5*) lt_cv_prog_cc_pic='-Kpic' lt_cv_prog_cc_static='-dn' lt_cv_prog_cc_shlib='-belf' ;; solaris*) lt_cv_prog_cc_pic='-KPIC' lt_cv_prog_cc_static='-Bstatic' lt_cv_prog_cc_wl='-Wl,' ;; sunos4*) lt_cv_prog_cc_pic='-PIC' lt_cv_prog_cc_static='-Bstatic' lt_cv_prog_cc_wl='-Qoption ld ' ;; sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*) lt_cv_prog_cc_pic='-KPIC' lt_cv_prog_cc_static='-Bstatic' if test "x$host_vendor" = xsni; then lt_cv_prog_cc_wl='-LD' else lt_cv_prog_cc_wl='-Wl,' fi ;; uts4*) lt_cv_prog_cc_pic='-pic' lt_cv_prog_cc_static='-Bstatic' ;; sysv4*MP*) if test -d /usr/nec ;then lt_cv_prog_cc_pic='-Kconform_pic' lt_cv_prog_cc_static='-Bstatic' fi ;; *) lt_cv_prog_cc_can_build_shared=no ;; esac fi ]) if test -z "$lt_cv_prog_cc_pic"; then AC_MSG_RESULT([none]) else AC_MSG_RESULT([$lt_cv_prog_cc_pic]) # Check to make sure the pic_flag actually works. AC_MSG_CHECKING([if $compiler PIC flag $lt_cv_prog_cc_pic works]) AC_CACHE_VAL(lt_cv_prog_cc_pic_works, [dnl save_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS $lt_cv_prog_cc_pic -DPIC" AC_TRY_COMPILE([], [], [dnl case $host_os in hpux9* | hpux10* | hpux11*) # On HP-UX, both CC and GCC only warn that PIC is supported... then # they create non-PIC objects. So, if there were any warnings, we # assume that PIC is not supported. if test -s conftest.err; then lt_cv_prog_cc_pic_works=no else lt_cv_prog_cc_pic_works=yes fi ;; *) lt_cv_prog_cc_pic_works=yes ;; esac ], [dnl lt_cv_prog_cc_pic_works=no ]) CFLAGS="$save_CFLAGS" ]) if test "X$lt_cv_prog_cc_pic_works" = Xno; then lt_cv_prog_cc_pic= lt_cv_prog_cc_can_build_shared=no else lt_cv_prog_cc_pic=" $lt_cv_prog_cc_pic" fi AC_MSG_RESULT([$lt_cv_prog_cc_pic_works]) fi ## ## END FIXME # Check for any special shared library compilation flags. if test -n "$lt_cv_prog_cc_shlib"; then AC_MSG_WARN([\`$CC' requires \`$lt_cv_prog_cc_shlib' to build shared libraries]) if echo "$old_CC $old_CFLAGS " | egrep -e "[[ ]]$lt_cv_prog_cc_shlib[[ ]]" >/dev/null; then : else AC_MSG_WARN([add \`$lt_cv_prog_cc_shlib' to the CC or CFLAGS env variable and reconfigure]) lt_cv_prog_cc_can_build_shared=no fi fi ## FIXME: this should be a separate macro ## AC_MSG_CHECKING([if $compiler static flag $lt_cv_prog_cc_static works]) AC_CACHE_VAL([lt_cv_prog_cc_static_works], [dnl lt_cv_prog_cc_static_works=no save_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS $lt_cv_prog_cc_static" AC_TRY_LINK([], [], [lt_cv_prog_cc_static_works=yes]) LDFLAGS="$save_LDFLAGS" ]) # Belt *and* braces to stop my trousers falling down: test "X$lt_cv_prog_cc_static_works" = Xno && lt_cv_prog_cc_static= AC_MSG_RESULT([$lt_cv_prog_cc_static_works]) pic_flag="$lt_cv_prog_cc_pic" special_shlib_compile_flags="$lt_cv_prog_cc_shlib" wl="$lt_cv_prog_cc_wl" link_static_flag="$lt_cv_prog_cc_static" no_builtin_flag="$lt_cv_prog_cc_no_builtin" can_build_shared="$lt_cv_prog_cc_can_build_shared" ## ## END FIXME ## FIXME: this should be a separate macro ## # Check to see if options -o and -c are simultaneously supported by compiler AC_MSG_CHECKING([if $compiler supports -c -o file.$ac_objext]) AC_CACHE_VAL([lt_cv_compiler_c_o], [ $rm -r conftest 2>/dev/null mkdir conftest cd conftest echo "int some_variable = 0;" > conftest.$ac_ext mkdir out # According to Tom Tromey, Ian Lance Taylor reported there are C compilers # that will create temporary files in the current directory regardless of # the output directory. Thus, making CWD read-only will cause this test # to fail, enabling locking or at least warning the user not to do parallel # builds. chmod -w . save_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -o out/conftest2.$ac_objext" compiler_c_o=no if { (eval echo configure:__oline__: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>out/conftest.err; } && test -s out/conftest2.$ac_objext; then # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings if test -s out/conftest.err; then lt_cv_compiler_c_o=no else lt_cv_compiler_c_o=yes fi else # Append any errors to the config.log. cat out/conftest.err 1>&AC_FD_CC lt_cv_compiler_c_o=no fi CFLAGS="$save_CFLAGS" chmod u+w . $rm conftest* out/* rmdir out cd .. rmdir conftest $rm -r conftest 2>/dev/null ]) compiler_c_o=$lt_cv_compiler_c_o AC_MSG_RESULT([$compiler_c_o]) if test x"$compiler_c_o" = x"yes"; then # Check to see if we can write to a .lo AC_MSG_CHECKING([if $compiler supports -c -o file.lo]) AC_CACHE_VAL([lt_cv_compiler_o_lo], [ lt_cv_compiler_o_lo=no save_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -c -o conftest.lo" save_objext="$ac_objext" ac_objext=lo AC_TRY_COMPILE([], [int some_variable = 0;], [dnl # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings if test -s conftest.err; then lt_cv_compiler_o_lo=no else lt_cv_compiler_o_lo=yes fi ]) ac_objext="$save_objext" CFLAGS="$save_CFLAGS" ]) compiler_o_lo=$lt_cv_compiler_o_lo AC_MSG_RESULT([$compiler_o_lo]) else compiler_o_lo=no fi ## ## END FIXME ## FIXME: this should be a separate macro ## # Check to see if we can do hard links to lock some files if needed hard_links="nottested" if test "$compiler_c_o" = no && test "$need_locks" != no; then # do not overwrite the value of need_locks provided by the user AC_MSG_CHECKING([if we can lock with hard links]) hard_links=yes $rm conftest* ln conftest.a conftest.b 2>/dev/null && hard_links=no touch conftest.a ln conftest.a conftest.b 2>&5 || hard_links=no ln conftest.a conftest.b 2>/dev/null && hard_links=no AC_MSG_RESULT([$hard_links]) if test "$hard_links" = no; then AC_MSG_WARN([\`$CC' does not support \`-c -o', so \`make -j' may be unsafe]) need_locks=warn fi else need_locks=no fi ## ## END FIXME ## FIXME: this should be a separate macro ## if test "$GCC" = yes; then # Check to see if options -fno-rtti -fno-exceptions are supported by compiler AC_MSG_CHECKING([if $compiler supports -fno-rtti -fno-exceptions]) echo "int some_variable = 0;" > conftest.$ac_ext save_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -fno-rtti -fno-exceptions -c conftest.$ac_ext" compiler_rtti_exceptions=no AC_TRY_COMPILE([], [int some_variable = 0;], [dnl # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings if test -s conftest.err; then compiler_rtti_exceptions=no else compiler_rtti_exceptions=yes fi ]) CFLAGS="$save_CFLAGS" AC_MSG_RESULT([$compiler_rtti_exceptions]) if test "$compiler_rtti_exceptions" = "yes"; then no_builtin_flag=' -fno-builtin -fno-rtti -fno-exceptions' else no_builtin_flag=' -fno-builtin' fi fi ## ## END FIXME ## FIXME: this should be a separate macro ## # See if the linker supports building shared libraries. AC_MSG_CHECKING([whether the linker ($LD) supports shared libraries]) allow_undefined_flag= no_undefined_flag= need_lib_prefix=unknown need_version=unknown # when you set need_version to no, make sure it does not cause -set_version # flags to be left without arguments archive_cmds= archive_expsym_cmds= old_archive_from_new_cmds= old_archive_from_expsyms_cmds= export_dynamic_flag_spec= whole_archive_flag_spec= thread_safe_flag_spec= hardcode_into_libs=no hardcode_libdir_flag_spec= hardcode_libdir_separator= hardcode_direct=no hardcode_minus_L=no hardcode_shlibpath_var=unsupported runpath_var= link_all_deplibs=unknown always_export_symbols=no export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | sed '\''s/.* //'\'' | sort | uniq > $export_symbols' # include_expsyms should be a list of space-separated symbols to be *always* # included in the symbol list include_expsyms= # exclude_expsyms can be an egrep regular expression of symbols to exclude # it will be wrapped by ` (' and `)$', so one must not match beginning or # end of line. Example: `a|bc|.*d.*' will exclude the symbols `a' and `bc', # as well as any symbol that contains `d'. exclude_expsyms="_GLOBAL_OFFSET_TABLE_" # Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out # platforms (ab)use it in PIC code, but their linkers get confused if # the symbol is explicitly referenced. Since portable code cannot # rely on this symbol name, it's probably fine to never include it in # preloaded symbol tables. extract_expsyms_cmds= case $host_os in cygwin* | mingw* | pw32*) # FIXME: the MSVC++ port hasn't been tested in a loooong time # When not using gcc, we currently assume that we are using # Microsoft Visual C++. if test "$GCC" != yes; then with_gnu_ld=no fi ;; openbsd*) with_gnu_ld=no ;; esac ld_shlibs=yes if test "$with_gnu_ld" = yes; then # If archive_cmds runs LD, not CC, wlarc should be empty wlarc='${wl}' # See if GNU ld supports shared libraries. case $host_os in aix3* | aix4* | aix5*) # On AIX, the GNU linker is very broken # Note:Check GNU linker on AIX 5-IA64 when/if it becomes available. ld_shlibs=no cat <&2 *** Warning: the GNU linker, at least up to release 2.9.1, is reported *** to be unable to reliably create shared libraries on AIX. *** Therefore, libtool is disabling shared libraries support. If you *** really care for shared libraries, you may want to modify your PATH *** so that a non-GNU linker is found, and then restart. EOF ;; amigaos*) archive_cmds='$rm $output_objdir/a2ixlibrary.data~$echo "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$echo "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$echo "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$echo "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)' hardcode_libdir_flag_spec='-L$libdir' hardcode_minus_L=yes # Samuel A. Falvo II reports # that the semantics of dynamic libraries on AmigaOS, at least up # to version 4, is to share data among multiple programs linked # with the same dynamic library. Since this doesn't match the # behavior of shared libraries on other platforms, we can use # them. ld_shlibs=no ;; beos*) if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then allow_undefined_flag=unsupported # Joseph Beckenbach says some releases of gcc # support --undefined. This deserves some investigation. FIXME archive_cmds='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' else ld_shlibs=no fi ;; cygwin* | mingw* | pw32*) # hardcode_libdir_flag_spec is actually meaningless, as there is # no search path for DLLs. hardcode_libdir_flag_spec='-L$libdir' allow_undefined_flag=unsupported always_export_symbols=yes extract_expsyms_cmds='test -f $output_objdir/impgen.c || \ sed -e "/^# \/\* impgen\.c starts here \*\//,/^# \/\* impgen.c ends here \*\// { s/^# //;s/^# *$//; p; }" -e d < $''0 > $output_objdir/impgen.c~ test -f $output_objdir/impgen.exe || (cd $output_objdir && \ if test "x$HOST_CC" != "x" ; then $HOST_CC -o impgen impgen.c ; \ else $CC -o impgen impgen.c ; fi)~ $output_objdir/impgen $dir/$soroot > $output_objdir/$soname-def' old_archive_from_expsyms_cmds='$DLLTOOL --as=$AS --dllname $soname --def $output_objdir/$soname-def --output-lib $output_objdir/$newlib' # cygwin and mingw dlls have different entry points and sets of symbols # to exclude. # FIXME: what about values for MSVC? dll_entry=__cygwin_dll_entry@12 dll_exclude_symbols=DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12~ case $host_os in mingw*) # mingw values dll_entry=_DllMainCRTStartup@12 dll_exclude_symbols=DllMain@12,DllMainCRTStartup@12,DllEntryPoint@12~ ;; esac # mingw and cygwin differ, and it's simplest to just exclude the union # of the two symbol sets. dll_exclude_symbols=DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12,DllMainCRTStartup@12,DllEntryPoint@12 # recent cygwin and mingw systems supply a stub DllMain which the user # can override, but on older systems we have to supply one (in ltdll.c) if test "x$lt_cv_need_dllmain" = "xyes"; then ltdll_obj='$output_objdir/$soname-ltdll.'"$ac_objext " ltdll_cmds='test -f $output_objdir/$soname-ltdll.c || sed -e "/^# \/\* ltdll\.c starts here \*\//,/^# \/\* ltdll.c ends here \*\// { s/^# //; p; }" -e d < $''0 > $output_objdir/$soname-ltdll.c~ test -f $output_objdir/$soname-ltdll.$ac_objext || (cd $output_objdir && $CC -c $soname-ltdll.c)~' else ltdll_obj= ltdll_cmds= fi # Extract the symbol export list from an `--export-all' def file, # then regenerate the def file from the symbol export list, so that # the compiled dll only exports the symbol export list. # Be careful not to strip the DATA tag left be newer dlltools. export_symbols_cmds="$ltdll_cmds"' $DLLTOOL --export-all --exclude-symbols '$dll_exclude_symbols' --output-def $output_objdir/$soname-def '$ltdll_obj'$libobjs $convenience~ sed -e "1,/EXPORTS/d" -e "s/ @ [[0-9]]*//" -e "s/ *;.*$//" < $output_objdir/$soname-def > $export_symbols' # If the export-symbols file already is a .def file (1st line # is EXPORTS), use it as is. # If DATA tags from a recent dlltool are present, honour them! archive_expsym_cmds='if test "x`head -1 $export_symbols`" = xEXPORTS; then cp $export_symbols $output_objdir/$soname-def; else echo EXPORTS > $output_objdir/$soname-def; _lt_hint=1; cat $export_symbols | while read symbol; do set dummy \$symbol; case \[$]# in 2) echo " \[$]2 @ \$_lt_hint ; " >> $output_objdir/$soname-def;; *) echo " \[$]2 @ \$_lt_hint \[$]3 ; " >> $output_objdir/$soname-def;; esac; _lt_hint=`expr 1 + \$_lt_hint`; done; fi~ '"$ltdll_cmds"' $CC -Wl,--base-file,$output_objdir/$soname-base '$lt_cv_cc_dll_switch' -Wl,-e,'$dll_entry' -o $output_objdir/$soname '$ltdll_obj'$libobjs $deplibs $compiler_flags~ $DLLTOOL --as=$AS --dllname $soname --exclude-symbols '$dll_exclude_symbols' --def $output_objdir/$soname-def --base-file $output_objdir/$soname-base --output-exp $output_objdir/$soname-exp~ $CC -Wl,--base-file,$output_objdir/$soname-base $output_objdir/$soname-exp '$lt_cv_cc_dll_switch' -Wl,-e,'$dll_entry' -o $output_objdir/$soname '$ltdll_obj'$libobjs $deplibs $compiler_flags~ $DLLTOOL --as=$AS --dllname $soname --exclude-symbols '$dll_exclude_symbols' --def $output_objdir/$soname-def --base-file $output_objdir/$soname-base --output-exp $output_objdir/$soname-exp --output-lib $output_objdir/$libname.dll.a~ $CC $output_objdir/$soname-exp '$lt_cv_cc_dll_switch' -Wl,-e,'$dll_entry' -o $output_objdir/$soname '$ltdll_obj'$libobjs $deplibs $compiler_flags' ;; netbsd*) if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then archive_cmds='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib' wlarc= else archive_cmds='$CC -shared -nodefaultlibs $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' archive_expsym_cmds='$CC -shared -nodefaultlibs $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' fi ;; solaris* | sysv5*) if $LD -v 2>&1 | egrep 'BFD 2\.8' > /dev/null; then ld_shlibs=no cat <&2 *** Warning: The releases 2.8.* of the GNU linker cannot reliably *** create shared libraries on Solaris systems. Therefore, libtool *** is disabling shared libraries support. We urge you to upgrade GNU *** binutils to release 2.9.1 or newer. Another option is to modify *** your PATH or compiler configuration so that the native linker is *** used, and then restart. EOF elif $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' else ld_shlibs=no fi ;; sunos4*) archive_cmds='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags' wlarc= hardcode_direct=yes hardcode_shlibpath_var=no ;; *) if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' else ld_shlibs=no fi ;; esac if test "$ld_shlibs" = yes; then runpath_var=LD_RUN_PATH hardcode_libdir_flag_spec='${wl}--rpath ${wl}$libdir' export_dynamic_flag_spec='${wl}--export-dynamic' case $host_os in cygwin* | mingw* | pw32*) # dlltool doesn't understand --whole-archive et. al. whole_archive_flag_spec= ;; *) # ancient GNU ld didn't support --whole-archive et. al. if $LD --help 2>&1 | egrep 'no-whole-archive' > /dev/null; then whole_archive_flag_spec="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive' else whole_archive_flag_spec= fi ;; esac fi else # PORTME fill in a description of your system's linker (not GNU ld) case $host_os in aix3*) allow_undefined_flag=unsupported always_export_symbols=yes archive_expsym_cmds='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname' # Note: this linker hardcodes the directories in LIBPATH if there # are no directories specified by -L. hardcode_minus_L=yes if test "$GCC" = yes && test -z "$link_static_flag"; then # Neither direct hardcoding nor static linking is supported with a # broken collect2. hardcode_direct=unsupported fi ;; aix4* | aix5*) if test "$host_cpu" = ia64; then # On IA64, the linker does run time linking by default, so we don't # have to do anything special. aix_use_runtimelinking=no exp_sym_flag='-Bexport' no_entry_flag="" else aix_use_runtimelinking=no # Test if we are trying to use run time linking or normal # AIX style linking. 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Libraries that use # assert need libgcc.a to resolve __eprintf, for example. Linking # a copy of libgcc.a into every shared library to guarantee resolving # such symbols causes other problems: According to Tim Van Holder # , C++ libraries end up with a separate # (to the application) exception stack for one thing. no_undefined_flag=' -z defs' if test "$GCC" = yes; then case `$CC --version 2>/dev/null` in [[12]].*) cat <&2 *** Warning: Releases of GCC earlier than version 3.0 cannot reliably *** create self contained shared libraries on Solaris systems, without *** introducing a dependency on libgcc.a. Therefore, libtool is disabling *** -no-undefined support, which will at least allow you to build shared *** libraries. However, you may find that when you link such libraries *** into an application without using GCC, you have to manually add *** \`gcc --print-libgcc-file-name\` to the link command. We urge you to *** upgrade to a newer version of GCC. Another option is to rebuild your *** current GCC to use the GNU linker from GNU binutils 2.9.1 or newer. EOF no_undefined_flag= ;; esac fi # $CC -shared without GNU ld will not create a library from C++ # object files and a static libstdc++, better avoid it by now archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags' archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~ $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$rm $lib.exp' hardcode_libdir_flag_spec='-R$libdir' hardcode_shlibpath_var=no case $host_os in solaris2.[[0-5]] | solaris2.[[0-5]].*) ;; *) # Supported since Solaris 2.6 (maybe 2.5.1?) whole_archive_flag_spec='-z allextract$convenience -z defaultextract' ;; esac link_all_deplibs=yes ;; sunos4*) if test "x$host_vendor" = xsequent; then # Use $CC to link under sequent, because it throws in some extra .o # files that make .init and .fini sections work. archive_cmds='$CC -G ${wl}-h $soname -o $lib $libobjs $deplibs $compiler_flags' else archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags' fi hardcode_libdir_flag_spec='-L$libdir' hardcode_direct=yes hardcode_minus_L=yes hardcode_shlibpath_var=no ;; sysv4) if test "x$host_vendor" = xsno; then archive_cmds='$LD -G -Bsymbolic -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_direct=yes # is this really true??? else archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_direct=no #Motorola manual says yes, but my tests say they lie fi runpath_var='LD_RUN_PATH' hardcode_shlibpath_var=no ;; sysv4.3*) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_shlibpath_var=no export_dynamic_flag_spec='-Bexport' ;; sysv5*) no_undefined_flag=' -z text' # $CC -shared without GNU ld will not create a library from C++ # object files and a static libstdc++, better avoid it by now archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags' archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~ $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$rm $lib.exp' hardcode_libdir_flag_spec= hardcode_shlibpath_var=no runpath_var='LD_RUN_PATH' ;; uts4*) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_libdir_flag_spec='-L$libdir' hardcode_shlibpath_var=no ;; dgux*) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_libdir_flag_spec='-L$libdir' hardcode_shlibpath_var=no ;; sysv4*MP*) if test -d /usr/nec; then archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_shlibpath_var=no runpath_var=LD_RUN_PATH hardcode_runpath_var=yes ld_shlibs=yes fi ;; sysv4.2uw2*) archive_cmds='$LD -G -o $lib $libobjs $deplibs $linker_flags' hardcode_direct=yes hardcode_minus_L=no hardcode_shlibpath_var=no hardcode_runpath_var=yes runpath_var=LD_RUN_PATH ;; sysv5uw7* | unixware7*) no_undefined_flag='${wl}-z ${wl}text' if test "$GCC" = yes; then archive_cmds='$CC -shared ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags' else archive_cmds='$CC -G ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags' fi runpath_var='LD_RUN_PATH' hardcode_shlibpath_var=no ;; *) ld_shlibs=no ;; esac fi AC_MSG_RESULT([$ld_shlibs]) test "$ld_shlibs" = no && can_build_shared=no ## ## END FIXME ## FIXME: this should be a separate macro ## # Check hardcoding attributes. 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See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. # */ # # #include /* for printf() */ # #include /* for open(), lseek(), read() */ # #include /* for O_RDONLY, O_BINARY */ # #include /* for strdup() */ # # /* O_BINARY isn't required (or even defined sometimes) under Unix */ # #ifndef O_BINARY # #define O_BINARY 0 # #endif # # static unsigned int # pe_get16 (fd, offset) # int fd; # int offset; # { # unsigned char b[2]; # lseek (fd, offset, SEEK_SET); # read (fd, b, 2); # return b[0] + (b[1]<<8); # } # # static unsigned int # pe_get32 (fd, offset) # int fd; # int offset; # { # unsigned char b[4]; # lseek (fd, offset, SEEK_SET); # read (fd, b, 4); # return b[0] + (b[1]<<8) + (b[2]<<16) + (b[3]<<24); # } # # static unsigned int # pe_as32 (ptr) # void *ptr; # { # unsigned char *b = ptr; # return b[0] + (b[1]<<8) + (b[2]<<16) + (b[3]<<24); # } # # int # main (argc, argv) # int argc; # char *argv[]; # { # int dll; # unsigned long pe_header_offset, opthdr_ofs, num_entries, i; # unsigned long export_rva, export_size, nsections, secptr, expptr; # unsigned long name_rvas, nexp; # unsigned char *expdata, *erva; # char *filename, *dll_name; # # filename = argv[1]; # # dll = open(filename, O_RDONLY|O_BINARY); # if (dll < 1) # return 1; # # dll_name = filename; # # for (i=0; filename[i]; i++) # if (filename[i] == '/' || filename[i] == '\\' || filename[i] == ':') # dll_name = filename + i +1; # # pe_header_offset = pe_get32 (dll, 0x3c); # opthdr_ofs = pe_header_offset + 4 + 20; # num_entries = pe_get32 (dll, opthdr_ofs + 92); # # if (num_entries < 1) /* no exports */ # return 1; # # export_rva = pe_get32 (dll, opthdr_ofs + 96); # export_size = pe_get32 (dll, opthdr_ofs + 100); # nsections = pe_get16 (dll, pe_header_offset + 4 +2); # secptr = (pe_header_offset + 4 + 20 + # pe_get16 (dll, pe_header_offset + 4 + 16)); # # expptr = 0; # for (i = 0; i < nsections; i++) # { # char sname[8]; # unsigned long secptr1 = secptr + 40 * i; # unsigned long vaddr = pe_get32 (dll, secptr1 + 12); # unsigned long vsize = pe_get32 (dll, secptr1 + 16); # unsigned long fptr = pe_get32 (dll, secptr1 + 20); # lseek(dll, secptr1, SEEK_SET); # read(dll, sname, 8); # if (vaddr <= export_rva && vaddr+vsize > export_rva) # { # expptr = fptr + (export_rva - vaddr); # if (export_rva + export_size > vaddr + vsize) # export_size = vsize - (export_rva - vaddr); # break; # } # } # # expdata = (unsigned char*)malloc(export_size); # lseek (dll, expptr, SEEK_SET); # read (dll, expdata, export_size); # erva = expdata - export_rva; # # nexp = pe_as32 (expdata+24); # name_rvas = pe_as32 (expdata+32); # # printf ("EXPORTS\n"); # for (i = 0; i> "${ofile}T" || (rm -f "${ofile}T"; exit 1) mv -f "${ofile}T" "$ofile" || \ (rm -f "$ofile" && cp "${ofile}T" "$ofile" && rm -f "${ofile}T") chmod +x "$ofile" fi ## ## END FIXME ])# _LT_AC_LTCONFIG_HACK # AC_LIBTOOL_DLOPEN - enable checks for dlopen support AC_DEFUN([AC_LIBTOOL_DLOPEN], [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])]) # AC_LIBTOOL_WIN32_DLL - declare package support for building win32 dll's AC_DEFUN([AC_LIBTOOL_WIN32_DLL], [AC_BEFORE([$0], [AC_LIBTOOL_SETUP])]) # AC_ENABLE_SHARED - implement the --enable-shared flag # Usage: AC_ENABLE_SHARED[(DEFAULT)] # Where DEFAULT is either `yes' or `no'. 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