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### 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; thenuse_$1=noelseuse_$1=yesfi])# R_ARG_USE### * Programs## R_PROG_AR## ---------AC_DEFUN([R_PROG_AR],[AC_CHECK_PROGS(AR, [${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; thenwarn_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 "${PERL}"; then_R_PROG_PERL_VERSIONelse## <NOTE>## Need a full path for '@PERL@' substitutions when starting Perl## scripts with a line of the form '#! FOO'.AC_PATH_PROGS(FALSE, false)PERL="${FALSE}"## </NOTE>fiif test "${r_cv_prog_perl_v5}" = yes; thenNO_PERL5=falseelsewarn_perl5="you cannot build the object documentation system"AC_MSG_WARN([${warn_perl5}])NO_PERL5=truefiAC_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 ${PERL} -e 'require 5.004 or exit 1'; thenr_cv_prog_perl_v5=yeselser_cv_prog_perl_v5=nofi])])# _R_PROG_PERL_VERSION## R_PROG_TEXMF## ------------AC_DEFUN([R_PROG_TEXMF],[AC_REQUIRE([R_PROG_PERL])AC_PATH_PROGS(DVIPS, [${DVIPS} dvips], false)AC_PATH_PROGS(TEX, [${TEX} tex], false)AC_PATH_PROGS(LATEX, [${LATEX} latex], false)if test -z "${ac_cv_path_LATEX}" ; then## <FIXME>## This is not quite true: need LaTeX for refman, and TeX for the## Texinfo manuals.warn_dvi="you cannot build DVI versions of the R manuals"AC_MSG_WARN([${warn_dvi}])## </FIXME>fiAC_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## <FIXME>## 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([${warn_pdf}])## </FIXME>fiAC_PATH_PROGS(MAKEINFO_CMD, [${MAKEINFO} makeinfo])## This test admittedly looks a bit strange ... see R_PROG_PERL.if test "${PERL}" = "${FALSE}"; thenAC_PATH_PROGS(INSTALL_INFO, [${INSTALL_INFO} install-info], false)elseINSTALL_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_VERSIONfiif test "${r_cv_prog_makeinfo_v4}" != yes; thenwarn_info="you cannot build info versions of the R manuals"AC_MSG_WARN([${warn_info}])MAKEINFO=falseelseMAKEINFO="${MAKEINFO_CMD}"fi])# R_PROG_MAKEINFO## _R_PROG_MAKEINFO_VERSION## ------------------------## Building the R Texinfo manuals requires Makeinfo v4 or better.## Set shell variable r_cv_prog_makeinfo_v4 to 'yes' if a recent## enough Makeinfo is found, and to 'no' otherwise.AC_DEFUN([_R_PROG_MAKEINFO_VERSION],[AC_CACHE_CHECK([whether makeinfo version is at least 4],[r_cv_prog_makeinfo_v4],[makeinfo_version=`${MAKEINFO_CMD} --version | \grep "^makeinfo" | sed 's/[[^)]]*) \(.\).*/\1/'`if test -z "${makeinfo_version}"; thenr_cv_prog_makeinfo_v4=noelif test ${makeinfo_version} -lt 4; thenr_cv_prog_makeinfo_v4=noelser_cv_prog_makeinfo_v4=yesfi])])# _R_PROG_MAKEINFO_VERSION### * C compiler and its characteristics.## R_PROG_CC_M## -----------## Check whether the C compiler accepts -M for generating dependenciesAC_DEFUN([R_PROG_CC_M],[AC_CACHE_CHECK([whether ${CC} accepts -M for generating dependencies],[r_cv_prog_cc_m],[echo "#include <math.h>" > 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`"; thenr_cv_prog_cc_m=yeselser_cv_prog_cc_m=nofi])])# R_PROG_CC_M## R_PROG_CC_C_O_LO## ----------------## Check whether the C compiler supports -c -o FILE.loAC_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 TMPecho "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); thenr_cv_prog_cc_c_o_lo=yeselser_cv_prog_cc_c_o_lo=nofirm -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.ccAC_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 $[@]EOFif test "${r_cv_prog_cc_m}" = yes; thencat << \EOF >> ${cc_rules_frag}.c.d:@echo "making $[@] from $<"@$(CC) -M $(ALL_CPPFLAGS) $< | \sed -e 's/^\([[^:]]*\)\.o\([[ ]]\)*:/\1.o \1.lo\2:/' > $[@]EOFelsecat << \EOF >> ${cc_rules_frag}.c.d:@echo > $[@]EOFfiif test "${r_cv_prog_cc_c_o_lo}" = yes; thencat << \EOF >> ${cc_rules_frag}.c.lo:$(CC) $(ALL_CPPFLAGS) $(ALL_CFLAGS_LO) -c $< -o $[@]EOFelsecat << \EOF >> ${cc_rules_frag}.c.lo:@test -d .libs || mkdir .libs$(CC) $(ALL_CPPFLAGS) $(ALL_CFLAGS_LO) -c $< -o .libs/$[*].omv .libs/$[*].o $[*].loEOFfiAC_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"; thenAC_MSG_RESULT([yes])[$2]elseAC_MSG_RESULT([no])fi])# R_PROG_CC_FLAG## R_PROG_CC_FLAG_D__NO_MATH_INLINES## ---------------------------## In current glibc, inline version [x86] of exp is broken.## We fix this by adding '-D__NO_MATH_INLINES' to R_XTRA_CFLAGS rather## than AC_DEFINE(__NO_MATH_INLINES) as the former also takes care of## compiling C code for add-on packages.AC_DEFUN([R_PROG_CC_FLAG_D__NO_MATH_INLINES],[AC_EGREP_CPP([yes],[#include <math.h>#if defined(__GLIBC__)yes#endif],[R_XTRA_CFLAGS="${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 <math.h>#include <ieeefp.h>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 "${r_cv_c_optieee}" = yes; thenR_XTRA_CFLAGS="${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 dependenciesAC_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 <math.h>" > 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`"; thenr_cv_prog_cxx_m=yeselser_cv_prog_cxx_m=nofi])])# R_PROG_CXX_M## R_PROG_CXX_C_O_LO## -----------------## Check whether the C++ compiler supports -c -o FILE.loAC_DEFUN([R_PROG_CXX_C_O_LO],[cxx_o_lo_rules_frag=Makefrag.cxxAC_CACHE_CHECK([whether ${CXX} supports -c -o FILE.lo],[r_cv_prog_cxx_c_o_lo],[test -d TMP || mkdir TMPecho "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); thenr_cv_prog_cxx_c_o_lo=yeselser_cv_prog_cxx_c_o_lo=nofirm -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.cxxAC_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 $[@]EOFif test "${r_cv_prog_cxx_m}" = yes; thencat << \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:/' > $[@]EOFelsecat << \EOF >> ${cxx_rules_frag}.cc.d:@echo > $[@].cpp.d:@echo > $[@].C.d:@echo > $[@]EOFfiif test "${r_cv_prog_cxx_c_o_lo}" = yes; thencat << \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 $[@]EOFelsecat << \EOF >> ${cxx_rules_frag}.cc.lo:@test -d .libs || mkdir .libs$(CXX) $(ALL_CPPFLAGS) $(ALL_CXXFLAGS_LO) -c $< -o .libs/$[*].omv .libs/$[*].o $[*].lo.cpp.lo:@test -d .libs || mkdir .libs$(CXX) $(ALL_CPPFLAGS) $(ALL_CXXFLAGS_LO) -c $< -o .libs/$[*].omv .libs/$[*].o $[*].lo.C.lo:@test -d .libs || mkdir .libs$(CXX) $(ALL_CPPFLAGS) $(ALL_CXXFLAGS_LO) -c $< -o .libs/$[*].omv .libs/$[*].o $[*].loEOFfiAC_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"; thenAC_MSG_RESULT([yes])[$2]elseAC_MSG_RESULT([no])fi])# R_PROG_CXX_FLAG### * FORTRAN 77 compiler/converter and its characteristics.## R_PROG_F77_OR_F2C## -----------------## Find a Fortran 77 compiler, or f2c.#### If we have not been forced to use a particular FORTRAN compiler, try## to find one using one of the several common names. The list is based## on what the current autoconf CVS contains. This says,#### <Quote>## Compilers are ordered by## 1. F77, F90, F95## 2. Good/tested native compilers, bad/untested native compilers## 3. Wrappers around f2c go last.#### 'fort77' and fc' are wrappers around 'f2c', 'fort77' being better.## It is believed that under HP-UX 'fort77' is the name of the native## compiler. On some Cray systems, fort77 is a native compiler.## cf77 and cft77 are (older) Cray F77 compilers.## pgf77 and pgf90 are the Portland Group F77 and F90 compilers.## xlf/xlf90/xlf95 are IBM (AIX) F77/F90/F95 compilers.## lf95 is the Lahey-Fujitsu compiler.## fl32 is the Microsoft Fortran "PowerStation" compiler.## af77 is the Apogee F77 compiler for Intergraph hardware running CLIX.## epcf90 is the "Edinburgh Portable Compiler" F90.## </Quote>#### In fact, on HP-UX fort77 is the POSIX-compatible native compiler and## f77 is not: hence we need look for fort77 first!#### The configure options '--with-f77' or '--with-f2c' force f77 or f2c## to be used (under *exactly* these names). It is also possible to use## these options to specify the full path name of the compiler.AC_DEFUN([R_PROG_F77_OR_F2C],[if test -n "${FC}"; thenwarn_arg_var_FC="configure variable 'FC' is deprecated.Use variable 'F77' to specify a FORTRAN 77 compiler if necessary."AC_MSG_WARN([${warn_arg_var_FC}])fiif test -n "${F77}" && test -n "${F2C}"; thenwarn_F77_and_F2C="both 'F77' and 'F2C' given.Using the given FORTRAN 77 compiler ..."AC_MSG_WARN([${warn_F77_and_F2C}])F2C=fiif test -n "${F77}"; thenAC_MSG_RESULT([defining F77 to be ${F77}])elif test -n "${FC}"; thenF77="${FC}"AC_MSG_RESULT([defining F77 to be ${F77}])elif test -z "${F2C}"; thenF77=case "${host_os}" inhpux*)AC_CHECK_PROGS(F77, [g77 fort77 f77 xlf cf77 cft77 pgf77 fl32 af77 \f90 xlf90 pgf90 epcf90 f95 xlf95 lf95 g95 fc]);;*)AC_CHECK_PROGS(F77, [g77 f77 xlf cf77 cft77 pgf77 fl32 af77 fort77 \f90 xlf90 pgf90 epcf90 f95 xlf95 lf95 g95 fc]);;esacif test -z "${F77}"; thenAC_CHECK_PROG(F2C, f2c, f2c, [])fielseAC_MSG_RESULT([defining F2C to be ${F2C}])fiif test -n "${F77}"; then## If the above 'found' a FORTRAN 77 compiler, we run AC_PROG_F77 as## this does additional testing (GNU, '-g', ...).AC_PROG_F77elif test -z "${F2C}"; thenAC_MSG_ERROR([Neither an F77 compiler nor f2c found])fi])# R_PROG_F77_OR_F2C## R_PROG_F77_FLIBS## ----------------## Run AC_F77_LIBRARY_LDFLAGS, and fix some known problems with FLIBS.AC_DEFUN([R_PROG_F77_FLIBS],[AC_REQUIRE([AC_F77_LIBRARY_LDFLAGS])## Currently g77 on Darwin links against -lcrt1.o, which (unlike## -lcrt0.o) is not stripped by AC_F77_LIBRARY_LDFLAGS. This in## particular causes R_PROG_F77_CC_COMPAT to fail. Hence, we make## sure all -lcrt?.o are removed.## Native f90 on HPUX 11 comes up with '-l:libF90.a' causing trouble## when using gcc for linking. The '-l:' construction is similar to## plain '-l' except that search order (archive/shared) given by '-a'## is not important. We escape such flags via '-Wl,' in case of gcc.## Note that the current Autoconf CVS uses _AC_LINKER_OPTION for a## similar purpose when computing FLIBS: this uses '-Xlinker' escapes## for gcc and does nothing otherwise. Note also that we cannot simply## unconditionally escape with '${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; thenlinker_option="-Wl,"elselinker_option=fifor arg in ${FLIBS}; docase "${arg}" in-lcrt?.o);;-l:*)flibs="${flibs} ${linker_option}${arg}";;*)flibs="${flibs} ${arg}";;esacdoneFLIBS="${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 "${G77}" = yes; thenr_save_LIBS="${LIBS}"## <FIXME>## Potentially dangerous ...flibs=`echo "${ac_cv_flibs}" | sed 's/-lg2c/-lg2c-pic/'`## </FIXME>LIBS="${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]);;esacAC_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}"; thenAC_MSG_ERROR([cannot use FORTRAN])fiif test "${r_cv_prog_f77_append_underscore}" = yes; thenAC_DEFINE(HAVE_F77_UNDERSCORE, 1,[Define if your Fortran compiler appends an underscore toexternal names.])fi])# R_PROG_F77_APPEND_UNDERSCORE## R_PROG_F77_CC_COMPAT## --------------------## Check whether the Fortran and C compilers agree on int and doubleAC_DEFUN([R_PROG_F77_CC_COMPAT],[AC_REQUIRE([AC_CHECK_LIBM])AC_MSG_CHECKING([whether ${F77-f77} and ${CC-cc} agree on int and double])AC_CACHE_VAL([r_cv_prog_f77_cc_compat],[cat > conftestf.f <<EOFsubroutine cftest(a, b, x, y)integer a(3), b(2)double precision x(3), y(3)b(1) = a(3)/a(2)b(2) = a(3) - a(1)*a(2)y(1) = dble(a(3))/x(2)y(2) = x(3)*x(1)y(3) = (x(2)/x(1)) ** a(1)endEOF${F77} ${FFLAGS} -c conftestf.f 1>&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FDdnl Yes we need to double quote this ...[cat > conftest.c <<EOF#include <math.h>#include "confdefs.h"#ifdef HAVE_F77_UNDERSCORE# define F77_SYMBOL(x) x ## _#else# define F77_SYMBOL(x) x#endifextern 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## <FIXME>## 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} ${FLIBS} \${LIBM} 1>&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD;## </FIXME>thenoutput=`./conftest${ac_exeext} 2>&1`if test ${?} = 0; thenr_cv_prog_f77_cc_compat=yesfififi])rm -rf conftest conftest.* conftestf.* coreif test -n "${r_cv_prog_f77_cc_compat}"; thenAC_MSG_RESULT([yes])elseAC_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 complexAC_DEFUN([R_PROG_F77_CC_COMPAT_COMPLEX],[AC_REQUIRE([AC_CHECK_LIBM])AC_MSG_CHECKING([whether ${F77-f77} and ${CC-cc} agree on double complex])AC_CACHE_VAL([r_cv_prog_f77_cc_compat_complex],[cat > conftestf.f <<EOFsubroutine cftest(x)complex*16 x(3)integer ic a few tests of constructs that are sometimes missingif(x(1) .eq. x(1)) i = 0x(1) = x(1)*x(2) + x(3)endEOF${F77} ${FFLAGS} -c conftestf.f 1>&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FDdnl Yes we need to double quote this ...[cat > conftest.c <<EOF#include <math.h>#include "confdefs.h"#ifdef HAVE_F77_UNDERSCORE# define F77_SYMBOL(x) x ## _#else# define F77_SYMBOL(x) x#endiftypedef 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## <FIXME>## 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} ${FLIBS} \${LIBM} 1>&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD;## </FIXME>thenoutput=`./conftest${ac_exeext} 2>&1`if test ${?} = 0; thenr_cv_prog_f77_cc_compat_complex=yesfififi])rm -rf conftest conftest.* conftestf.* coreif test -n "${r_cv_prog_f77_cc_compat_complex}"; thenAC_MSG_RESULT([yes])AC_DEFINE(HAVE_DOUBLE_COMPLEX, 1,[Define if C's Rcomplex and Fortran's COMPLEX*16 can beinterchanged, and can do arithmetic on the latter.])else## <FIXME>## Use warn_f77_cc_double_complex ...AC_MSG_WARN([${F77-f77} and ${CC-cc} disagree on double complex])## </FIXME>fiAC_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.loAC_DEFUN([R_PROG_F77_C_O_LO],[AC_CACHE_CHECK([whether ${F77} supports -c -o FILE.lo],[r_cv_prog_f77_c_o_lo],[test -d TMP || mkdir TMPcat > conftest.f <<EOFprogram conftestendEOFac_try='${F77} ${FFLAGS} -c conftest.f -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); thenr_cv_prog_f77_c_o_lo=yeselser_cv_prog_f77_c_o_lo=nofirm -rf conftest* TMP])])# R_PROG_F77_C_O_LO## R_PROG_F77_MAKEFRAG## -------------------## Generate a Make fragment with suffix rules for FORTRAN 77 source## files when using a FORTRAN 77 compiler.## Used for both building R (Makeconf) and add-ons (etc/Makeconf).AC_DEFUN([R_PROG_F77_MAKEFRAG],[AC_REQUIRE([R_PROG_F77_C_O_LO])f77_rules_frag=Makefrag.f77cat << \EOF > ${f77_rules_frag}.f.c:.f.o:$(F77) $(ALL_FFLAGS) -c $< -o $[@]EOFif test "${r_cv_prog_f77_c_o_lo}" = yes; thencat << \EOF >> ${f77_rules_frag}.f.lo:$(F77) $(ALL_FFLAGS_LO) -c $< -o $[@]EOFelsecat << \EOF >> ${f77_rules_frag}.f.lo:@test -d .libs || mkdir .libs$(F77) $(ALL_FFLAGS_LO) -c $< -o .libs/$[*].omv .libs/$[*].o $[*].loEOFfiAC_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"; thenAC_MSG_RESULT([yes])[$2]elseAC_MSG_RESULT([no])fi])# R_PROG_F77_FLAG## R_PROG_F2C_FLIBS## ----------------AC_DEFUN([R_PROG_F2C_FLIBS],[AC_REQUIRE([AC_PROG_RANLIB])AC_REQUIRE([AC_CHECK_LIBM])AC_CACHE_VAL([r_cv_f2c_flibs],[## <FIXME>## Why do we need this? What about AC_F77_DUMMY_MAIN?## This seems to be necessary on some Linux system. -- you bet! -pdAC_LANG_PUSH(C)cat > conftest.${ac_ext} << EOFint MAIN_ () { exit(0); }int MAIN__ () { exit(0); }EOFif AC_TRY_EVAL(ac_compile); then${AR} ${ARFLAGS} libconftest.a conftest.${ac_objext} 1>&AS_MESSAGE_LOG_FDif test -n "${RANLIB}"; then${RANLIB} libconftest.a 1>&AS_MESSAGE_LOG_FDfifiAC_LANG_POP(C)## </FIXME>AC_CHECK_LIB(f2c, f_open,[flibs=-lf2c],[flibs=],[-L. -lconftest ${LIBM}])rm -f libconftest*if test -z "${flibs}"; thenAC_CHECK_LIB(F77, d_sin, [flibs=-lF77], [flibs=], [${LIBM}])if test -n "${flibs}"; thenAC_CHECK_LIB(I77, f_rew, [flibs="${flibs} -lI77"], [flibs=], [-lF77])fifir_cv_f2c_flibs="${flibs}"])FLIBS="${r_cv_f2c_flibs}"if test -z "${FLIBS}"; thenwarn_f2c_flibs="I found f2c but not libf2c, or libF77 and libI77"AC_MSG_WARN([${warn_f2c_flibs}])elseFLIBS="${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.f77cat << \EOF > ${f77_rules_frag}.f.o:$(F2C) $(F2CFLAGS) < $< > $[*].c$(CC) $(ALL_CPPFLAGS) $(ALL_CFLAGS) -c $[*].c -o $[@]@rm -f $[*].c.f.lo:$(F2C) $(F2CFLAGS) < $< > $[*].cEOFif test "${r_cv_prog_cc_c_o_lo}" = yes; thencat << \EOF >> ${f77_rules_frag}$(CC) $(ALL_CPPFLAGS) $(ALL_CFLAGS_LO) -c $[*].c -o $[@]EOFelsecat << \EOF >> ${f77_rules_frag}@test -d .libs || mkdir .libs$(CC) $(ALL_CPPFLAGS) $(ALL_CFLAGS_LO) -c $[*].c -o .libs/$[*].omv .libs/$[*].o $[*].loEOFficat << \EOF >> ${f77_rules_frag}@rm -f $[*].cEOFAC_SUBST_FILE(f77_rules_frag)])# R_PROG_F2C_MAKEFRAG### * Library functions## R_FUNC___SETFPUCW## -----------------AC_DEFUN([R_FUNC___SETFPUCW],[AC_CHECK_FUNC(__setfpucw,[AC_CACHE_CHECK([whether __setfpucw is needed],[r_cv_func___setfpucw_needed],AC_TRY_RUN([int main () {#include <fpu_control.h>#if defined(_FPU_DEFAULT) && defined(_FPU_IEEE)exit(_FPU_DEFAULT != _FPU_IEEE);#endifexit(0);}],[r_cv_func___setfpucw_needed=no],[r_cv_func___setfpucw_needed=yes],[r_cv_func___setfpucw_needed=no]))if test "x${r_cv_func___setfpucw_needed}" = xyes; thenAC_DEFINE(NEED___SETFPUCW, 1,[Define if your system needs __setfpucw() to controlFPU rounding.This was used to control floating point precision,rounding and floating point exceptions on older Linuxsystems.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 <stdlib.h>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${r_cv_func_calloc_works}" = xyes; thenAC_DEFINE(HAVE_WORKING_CALLOC, 1,[Define if calloc(0) returns a null pointer.])fi])# R_FUNC_CALLOC## R_FUNC_FINITE## -------------AC_DEFUN([R_FUNC_FINITE],[AC_CACHE_CHECK([for working finite], [r_cv_func_finite_works],[AC_TRY_RUN([#include <math.h>#include "confdefs.h"int main () {#ifdef HAVE_FINITEexit(finite(1./0.) | finite(0./0.) | finite(-1./0.));#elseexit(1);#endif}],[r_cv_func_finite_works=yes],[r_cv_func_finite_works=no],[r_cv_func_finite_works=no])])if test "x${r_cv_func_finite_works}" = xyes; thenAC_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 <math.h>#include "confdefs.h"int main () {#ifdef HAVE_ISNANexit(!(log(0.) == -1. / 0. && isnan(log(-1.))));#elseexit(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${r_cv_func_log_works}" = xyes; thenAC_DEFINE(HAVE_WORKING_LOG, 1,[Define if log() is correct for 0/-1.])fi])# R_FUNC_LOG## R_FUNC_STRPTIME## ---------------AC_DEFUN([R_FUNC_STRPTIME],[AC_CACHE_CHECK([for working strptime], [r_cv_func_strptime_works],[AC_TRY_RUN([#include <time.h>int main () {#ifdef HAVE_STRPTIMEstruct tm tm;char *p;p = strptime("1960-01-01", "%Y-%m-%d", &tm);exit(p == 0);#elseexit(1);#endif}],[r_cv_func_strptime_works=yes],[r_cv_func_strptime_works=no],[r_cv_func_strptime_works=no])])if test "x${r_cv_func_strptime_works}" = xyes; thenAC_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 "${r_cv_header_setjmp_posix}" = yes; thenAC_EGREP_HEADER([siglongjmp], setjmp.h, [], [r_cv_header_setjmp_posix=no])fiif test "${r_cv_header_setjmp_posix}" = yes; thenAC_EGREP_HEADER([sigsetjmp], setjmp.h, [], [r_cv_header_setjmp_posix=no])fi])if test "${r_cv_header_setjmp_posix}" = yes; thenAC_DEFINE(HAVE_POSIX_SETJMP, 1,[Define if you have POSIX.1 compatible sigsetjmp/siglongjmp.])fi])# R_HEADER_SETJMP## R_HEADER_GLIBC2## ---------------AC_DEFUN([R_HEADER_GLIBC2],[AC_CACHE_CHECK([for GNU C library with version >= 2],[r_cv_header_glibc2],[AC_EGREP_CPP([yes],[#include <stdio.h>#if defined __GLIBC__ && __GLIBC__ >= 2yes#endif],[r_cv_header_glibc2=yes],[r_cv_header_glibc2=no],[r_cv_header_glibc2=no])])if test "${r_cv_header_glibc2}" = yes; thenAC_DEFINE(HAVE_GLIBC2, 1,[Define if you have the GNU C library version >= 2.This is needed to fix a problem with getting the prototypeof 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; doAC_TRY_COMPILE([#include <stddef.h>#include <sys/types.h>#ifdef HAVE_SYS_SOCKET_H#include <sys/socket.h>#endif#ifdef Win32#include <winsock.h>#endif],[(void)getsockopt (1, 1, 1, NULL, (${t} *)NULL)],[r_cv_type_socklen=${t}; break],[r_cv_type_socklen=])done])if test "x${r_cv_type_socklen}" = x; thenwarn_type_socklen="could not determine type of socket length"AC_MSG_WARN([${warn_type_socklen}])elseAC_MSG_RESULT([${r_cv_type_socklen} *])fiAC_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 ${want_gnome} = yes; thenGNOME_INIT_HOOK([], [cont])if test "${GNOMEUI_LIBS}"; thenAM_PATH_LIBGLADE([use_gnome="yes"GNOME_IF_FILES="gnome-interface.glade"],[warn_libglade_version="GNOME support requires libglade version >= 0.3"AC_MSG_WARN([${warn_libglade_version}])],[gnome])fifiif test "${use_gnome}" != yes; thenuse_gnome="no"GNOME_IF_FILES=elseAC_DEFINE(HAVE_GNOME, 1,[Define if the GNOME headers and libraries are available,and want the GNOME GUI to be built.])fiAC_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 <math.h>])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); thenr_cv_ieee_754=yeselser_cv_ieee_754=nofi])if test "${r_cv_ieee_754}" = yes; thenAC_DEFINE(IEEE_754, 1,[Define if you have IEEE 754 floating point arithmetic.])fi])# R_IEEE_754## R_BSD_NETWORKING## ----------------AC_DEFUN([R_BSD_NETWORKING],[AC_CACHE_CHECK([for BSD networking],[r_cv_bsd_networking],[if test "${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; thenr_cv_bsd_networking=yeselser_cv_bsd_networking=nofi])if test "${r_cv_bsd_networking}" = yes; thenAC_DEFINE(HAVE_BSD_NETWORKING, 1,[Define if you have BSD networking headers and libraries.])AC_DEFINE(HAVE_SOCKETS, 1,[Define if you have support for sockets.])AC_DEFINE(HAVE_INTERNET, 1,[Define if you have support for ftp/http access.])AC_DEFINE(SUPPORT_LIBXML, 1,[Define if you provide support for the libxml ftp/httpfunctions.])fi])# R_BSD_NETWORKING## R_BITMAPS## ---------## Here we only need any old -lz, and don't need zlib.h.## However, we do need recent enough libpng and jpeg, and so check both## the header versions and for key routines in the library.## The png code will do a run-time check of the consistency of libpng## versions.AC_DEFUN([R_BITMAPS],[BITMAP_LIBS=_R_HEADER_JPEGLIBhave_jpeg=${r_cv_header_jpeglib_h}if test "${have_jpeg}" = yes; thenAC_CHECK_LIB(jpeg, jpeg_destroy_compress,[have_jpeg=yes],[have_jpeg=no],[${LIBS}])fiif test "${have_jpeg}" = yes; thenBITMAP_LIBS="-ljpeg"AC_DEFINE(HAVE_JPEG, 1,[Define if you have the JPEG headers and libraries.])fiAC_CHECK_LIB(z, main, [have_png=yes], [have_png=no])if test "${have_png}" = yes; then_R_HEADER_PNGhave_png=${r_cv_header_png_h}fiif test "${have_png}" = yes; thenAC_CHECK_LIB(png, png_create_write_struct,[have_png=yes],[have_png=no],[-lz ${LIBS}])fiif test "${have_png}" = yes; thenBITMAP_LIBS="${BITMAP_LIBS} -lpng -lz"AC_DEFINE(HAVE_PNG, 1,[Define if you have the PNG headers and libraries.])fiAC_SUBST(BITMAP_LIBS)])# R_BITMAPS## _R_HEADER_JPEGLIB## -----------------## Set shell variable r_cv_header_jpeglib_h to 'yes' if a recent enough## jpeglib.h is found, and to 'no' otherwise.AC_DEFUN([_R_HEADER_JPEGLIB],[AC_CACHE_CHECK([if jpeglib version >= 6b],[r_cv_header_jpeglib_h],AC_EGREP_CPP([yes],[#include <jpeglib.h>#if (JPEG_LIB_VERSION >= 62)yes#endif],[r_cv_header_jpeglib_h=yes],[r_cv_header_jpeglib_h=no]))])# _R_HEADER_JPEGLIB## _R_HEADER_PNG## -------------## Set shell variable r_cv_header_png_h to 'yes' if a recent enough## 'png.h' is found, and to 'no' otherwise.AC_DEFUN([_R_HEADER_PNG],[AC_CACHE_CHECK([if libpng version >= 1.0.5],[r_cv_header_png_h],AC_EGREP_CPP([yes],[#include <png.h>#if (PNG_LIBPNG_VER >= 10005)yes#endif],[r_cv_header_png_h=yes],[r_cv_header_png_h=no]))])# _R_HEADER_PNG## _R_PATH_TCL_CONFIG## ------------------## Try finding tclConfig.sh in common library directories and their## tcl$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 /sw/lib /usr/local/lib /usr/lib /lib; dofor dir in \${ldir} \`ls -d ${ldir}/tcl[[8-9]].[[0-9]]* 2>/dev/null | sort -r`; doif test -f ${dir}/tclConfig.sh; thenr_cv_path_TCL_CONFIG="${dir}/tclConfig.sh"break 2fidonedone])if test -n "${r_cv_path_TCL_CONFIG}"; thenAC_MSG_RESULT([${r_cv_path_TCL_CONFIG}])elseAC_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 /sw/lib /usr/local/lib /usr/lib /lib; dofor dir in \${ldir} \`ls -d ${ldir}/tk[[8-9]].[[0-9]]* 2>/dev/null | sort -r`; doif test -f ${dir}/tkConfig.sh; thenr_cv_path_TK_CONFIG="${dir}/tkConfig.sh"break 2fidonedone])if test -n "${r_cv_path_TK_CONFIG}"; thenAC_MSG_RESULT([${r_cv_path_TK_CONFIG}])elseAC_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_CONFIGif test -n "${r_cv_path_TCL_CONFIG}"; thenTCL_CONFIG="${r_cv_path_TCL_CONFIG}"fifiAC_PATH_PROGS(TK_CONFIG, [${TK_CONFIG} tkConfig.sh])if test -z "${TK_CONFIG}"; then_R_PATH_TK_CONFIGif test -n "${r_cv_path_TK_CONFIG}"; thenTK_CONFIG="${r_cv_path_TK_CONFIG}"fifiif 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 ${TCL_MAJOR_VERSION} -lt 8; thenwarn_tcltk_version="Tcl/Tk support requires Tcl version >= 8"AC_MSG_WARN([${warn_tcltk_version}])have_tcltk=nofifiif test -n "${TK_CONFIG}" \&& test -z "${warn_tcltk_version}"; then. ${TK_CONFIG}if test ${TK_MAJOR_VERSION} -lt 8; thenwarn_tcltk_version="Tcl/Tk support requires Tk version >= 8"AC_MSG_WARN([${warn_tcltk_version}])have_tcltk=nofifi## <FIXME>## Shouldn't there also be a test that major and minor versions of## the scripts match?## </FIXME>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 <tcl.h>#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 <tk.h>#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=noif test -n "${TCL_CONFIG}"; then. ${TCL_CONFIG}## Look for tcl.h in## ${TCL_PREFIX}/include/tcl${TCL_VERSION}## ${TCL_PREFIX}/include## <FIXME>## 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 ...## </FIXME>for dir in \${TCL_PREFIX}/include/tcl${TCL_VERSION}/generic \${TCL_PREFIX}/include/tcl${TCL_VERSION} \${TCL_PREFIX}/include; doAC_CHECK_HEADER([${dir}/tcl.h],[TCLTK_CPPFLAGS="-I${dir}"found_tcl_h=yesbreak])donefiif test "${found_tcl_h}" = no; then_R_HEADER_TCLif test "${r_cv_header_tcl_h}" = yes; thenfound_tcl_h=yeselsehave_tcltk=nofififiif test "${have_tcltk}" = yes; then## Part 2. Check for tk.h.found_tk_h=noif test -n "${TK_CONFIG}"; then. ${TK_CONFIG}## Look for tk.h in## ${TK_PREFIX}/include/tk${TK_VERSION}## ${TK_PREFIX}/include## <FIXME>## Also look in## ${TK_PREFIX}/include/tcl${TK_VERSION}## to compensate for Debian madness ...## </FIXME>## <FIXME>## Also look in## ${TK_PREFIX}/include/tk${TK_VERSION}/generic## to deal with current FreeBSD layouts. See above for details.## </FIXME>## 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; doAC_CHECK_HEADER([${dir}/tk.h],[TCLTK_CPPFLAGS="${TCLTK_CPPFLAGS} -I${dir}"found_tk_h=yesbreak])doneCPPFLAGS="${r_save_CPPFLAGS}"fiif test "${found_tk_h}" = no; then_R_HEADER_TKif test "{r_cv_header_tk_h}" = yes; thenfound_tk_h=yeselsehave_tcltk=nofifififi])# _R_TCLTK_CPPFLAGS## _R_TCLTK_LIBS## -------------## Find the tcl and tk libraries.AC_DEFUN([_R_TCLTK_LIBS],[AC_REQUIRE([AC_PATH_XTRA])AC_REQUIRE([_R_TCLTK_CONFIG])if test -z "${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}"elseAC_CHECK_LIB(tcl, Tcl_CreateInterp,[TCLTK_LIBS=-ltcl],[have_tcltk=no])fifiif 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} ${TK_LIBS}"elseAC_CHECK_LIB(tk, Tk_Init, , , [${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} ${X_LIBS}])fififi## Postprocessing for AIX.## On AIX, the *_LIB_SPEC variables need to contain '-bI:' flags for## the Tcl export file. These are really flags for ld rather than the## C/C++ compilers, and hence may need protection via '-Wl,'.## We have two ways of doing that:## * Recording whether '-Wl,' is needed for the C or C++ compilers,## and getting this info into the TCLTK_LIBS make variable ... mess!## * Protecting all entries in TCLTK_LIBS that do not start with '-l'## or '-L' with '-Wl,' (hoping that all compilers understand this).## Easy, hence ...case "${host_os}" inaix*)orig_TCLTK_LIBS="${TCLTK_LIBS}"TCLTK_LIBS=for flag in ${orig_TCLTK_LIBS}; docase "${flag}" in-l*|-L*|-Wl,*) ;;*) flag="-Wl,${flag}" ;;esacTCLTK_LIBS="${TCLTK_LIBS} ${flag}"done;;esacfi])# _R_TCLTK_LIBS## R_TCLTK## -------AC_DEFUN([R_TCLTK],[if test "${want_tcltk}" = yes; thenhave_tcltk=yes_R_TCLTK_CONFIG_R_TCLTK_CPPFLAGS_R_TCLTK_LIBSelsehave_tcltk=no## Just making sure.TCLTK_CPPFLAGS=TCLTK_LIBS=fiif test "${have_tcltk}" = yes; thenAC_DEFINE(HAVE_TCLTK, 1,[Define if you have the Tcl/Tk headers and libraries andwant Tcl/Tk support to be built.])use_tcltk=yesif test -n "${TK_XINCLUDES}"; thenTCLTK_CPPFLAGS="${TCLTK_CPPFLAGS} ${TK_XINCLUDES}"elseTCLTK_CPPFLAGS="${TCLTK_CPPFLAGS} ${X_CFLAGS}"fielseuse_tcltk=nofiAC_SUBST(TCLTK_CPPFLAGS)AC_SUBST(TCLTK_LIBS)AC_SUBST(use_tcltk)])# R_TCLTK## R_BLAS_LIBS## -----------## Look for a library that implements the BLAS linear-algebra interface## (see http://www.netlib.org/blas/). On success, sets BLAS_LIBS to the## requisite library linkages.#### This is based on ACX_BLAS by Steven G. Johnson <stevenj@alum.mit.edu>## from the Official Autoconf Macro Archive## (http://www.gnu.org/software/ac-archive/Installed_Packages/acx_blas.m4),## with the following changes:## * We also handle HPUX .sl command line specifications.## * We explictly deal with the case of f2c. Most likely pointless.## * We only care about the FORTRAN 77 interface to Atlas, hence do not## test for -lcblas.## * We do not use BLAS libs that caused problems in the past: Alpha## CXML and DXML, and SGI SCSL and SGIMATH (marked with COMMENT tags).## * We do not use ACTION-IF-FOUND and ACTION-IF-NOT-FOUND.## Based on acx_blas.m4 version 1.2 (2001-12-13)AC_DEFUN([R_BLAS_LIBS],[AC_REQUIRE([R_PROG_F77_FLIBS])AC_REQUIRE([R_PROG_F77_APPEND_UNDERSCORE])AC_REQUIRE([R_PROG_F2C_FLIBS])acx_blas_ok=nocase "${with_blas}" inyes | "") ;;no) acx_blas_ok=disable ;;-* | */* | *.a | *.so | *.so.* | *.sl | *.sl.* | *.o)BLAS_LIBS="${with_blas}";;*) BLAS_LIBS="-l${with_blas}" ;;esacif test "${r_cv_prog_f77_append_underscore}" = yes \|| test -n "${F2C}"; thendgemm=dgemm_sgemm=sgemm_elsedgemm=dgemmsgemm=sgemmfiacx_blas_save_LIBS="${LIBS}"LIBS="${LIBS} ${FLIBS}"## First, check BLAS_LIBS environment variableif test "${acx_blas_ok}" = no; thenif test "x${BLAS_LIBS}" != x; thensave_LIBS="${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"fifi## BLAS linked to by default? (happens on some supercomputers)if test "${acx_blas_ok}" = no; thenAC_CHECK_FUNC(${sgemm}, [acx_blas_ok=yes])fi## BLAS in ATLAS library? (http://math-atlas.sourceforge.net/)if test "${acx_blas_ok}" = no; thenAC_CHECK_LIB(atlas, ATL_xerbla,[AC_CHECK_LIB(f77blas, ${sgemm},[acx_blas_ok=yesBLAS_LIBS="-lf77blas -latlas"],[], [-latlas])])fi## BLAS in PhiPACK libraries? (requires generic BLAS lib, too)if test "${acx_blas_ok}" = no; thenAC_CHECK_LIB(blas, ${sgemm},[AC_CHECK_LIB(dgemm, $dgemm,[AC_CHECK_LIB(sgemm, ${sgemm},[acx_blas_ok=yesBLAS_LIBS="-lsgemm -ldgemm -lblas"],[], [-lblas])],[], [-lblas])])fi## <COMMENT>## ## BLAS in Alpha CXML library?## if test "${acx_blas_ok}" = no; then## AC_CHECK_LIB(cxml, ${sgemm},## [acx_blas_ok=yes; BLAS_LIBS="-lcxml"])## fi## </COMMENT>## <COMMENT>## # BLAS in Alpha DXML library? (now called CXML, see above)## if test "${acx_blas_ok}" = no; then## AC_CHECK_LIB(dxml, ${sgemm},## [acx_blas_ok=yes; BLAS_LIBS="-ldxml"])## fi## </COMMENT>## BLAS in Sun Performance library?if test "${acx_blas_ok}" = no; thenif test "x$GCC" != xyes; then # only works with Sun CCAC_CHECK_LIB(sunmath, acosp,[AC_CHECK_LIB(sunperf, ${sgemm},[BLAS_LIBS="-xlic_lib=sunperf -lsunmath"acx_blas_ok=yes],[], [-lsunmath])])fifi## <COMMENT>## ## BLAS in SCSL library? (SGI/Cray Scientific Library)## if test "${acx_blas_ok}" = no; then## AC_CHECK_LIB(scs, ${sgemm},## [acx_blas_ok=yes; BLAS_LIBS="-lscs"])## fi## </COMMENT>## <COMMENT>## ## BLAS in SGIMATH library?## if test "${acx_blas_ok}" = no; then## AC_CHECK_LIB(complib.sgimath, ${sgemm},## [acx_blas_ok=yes; BLAS_LIBS="-lcomplib.sgimath"])## fi## </COMMENT>## BLAS in IBM ESSL library? (requires generic BLAS lib, too)if test "${acx_blas_ok}" = no; thenAC_CHECK_LIB(blas, ${sgemm},[AC_CHECK_LIB(essl, ${sgemm},[acx_blas_ok=yesBLAS_LIBS="-lessl -lblas"],[], [-lblas ${FLIBS}])])fi## Generic BLAS library?if test "${acx_blas_ok}" = no; thenAC_CHECK_LIB(blas, ${sgemm},[acx_blas_ok=yes; BLAS_LIBS="-lblas"])fiLIBS="${acx_blas_save_LIBS}"AC_SUBST(BLAS_LIBS)])# R_BLAS_LIBS## R_XDR## -----## Try finding XDR library functions and headers.## FreeBSD in particular needs rpc/types.h before rpc/xdr.hAC_DEFUN([R_XDR],[AC_CHECK_HEADER(rpc/types.h)if test "${ac_cv_header_rpc_types_h}" = yes ; thenAC_CHECK_HEADER(rpc/xdr.h, , , [#include <rpc/types.h>])fiAC_CACHE_CHECK([for XDR support],[r_cv_xdr],[if test "${ac_cv_header_rpc_types_h}" = yes \&& test "${ac_cv_header_rpc_xdr_h}" = yes \&& test "${ac_cv_search_xdr_string}" != no ; thenr_cv_xdr=yeselser_cv_xdr=nofi])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; thenAC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])fiif test "${have_zlib}" = yes; then_R_HEADER_ZLIBhave_zlib=${r_cv_header_zlib_h}fiAC_MSG_CHECKING([whether zlib support needs to be compiled])if test "${have_zlib}" = yes; thenAC_MSG_RESULT([no])AC_DEFINE(HAVE_ZLIB, 1,[Define if you have the zlib headers and libraries.])LIBS="-lz ${LIBS}"elseAC_MSG_RESULT([yes])_R_ZLIB_MMAPfiAM_CONDITIONAL(BUILD_ZLIB, [test "x${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 <string.h>#include <zlib.h>int main() {#ifdef ZLIB_VERSIONexit(strcmp(ZLIB_VERSION, "1.1.3") < 0);#elseexit(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 <sys/types.h>#include <sys/mman.h>#include <sys/stat.h>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_PCRE## ------## Try finding pcre library and headers.## RedHat puts the headers in /usr/include/pcreAC_DEFUN([R_PCRE],[AC_CHECK_LIB(pcre, pcre_fullinfo, [have_pcre=yes], [have_pcre=no])if test "${have_pcre}" = yes; thenAC_CHECK_HEADERS(pcre.h pcre/pcre.h)if test "${ac_cv_header_pcre_h}" = no \&& test "${ac_cv_header_pcre_pcre_h}" = no; thenhave_pcre=nofifiif test "${have_pcre}" = yes; thenAC_DEFINE(HAVE_PCRE, 1,[Define if you have the PCRE headers and libraries.])LIBS="-lpcre ${LIBS}"fi])# R_PCRE## R_BZLIB## ------## Try finding bzlib library and headers.## We check that both are installed,## and that BZ2_bzlibVersion is in the library.AC_DEFUN([R_BZLIB],[AC_CHECK_LIB(bz2, BZ2_bzlibVersion, [have_bzlib=yes], [have_bzlib=no])if test "${have_bzlib}" = yes; thenAC_CHECK_HEADER(bzlib.h, [have_bzlib=yes], [have_bzlib=no])fiif test "${have_bzlib}" = yes; thenAC_DEFINE(HAVE_BZLIB, 1,[Define if you have the bzip2 headers and libraries.])LIBS="-lbz2 ${LIBS}"fi])# R_BZLIB## R_SYS_POSIX_LEAPSECONDS## -----------------------## See if your system time functions do not count leap seconds, as## required by POSIX.AC_DEFUN([R_SYS_POSIX_LEAPSECONDS],[AC_CACHE_CHECK([whether leap seconds are treated according to POSIX],[r_cv_sys_posix_leapseconds],AC_TRY_RUN([#include <stdlib.h>#include <time.h>#include <stdio.h>#include "confdefs.h"int main () {struct tm *tm;time_t ct;ctime(&ct);ct = ct - (ct % 60);tm = gmtime(&ct);if(tm->tm_sec == 0) exit(1); else exit(0);}],[r_cv_sys_posix_leapseconds=no],[r_cv_sys_posix_leapseconds=yes],[r_cv_sys_posix_leapseconds=yes]))if test "x${r_cv_sys_posix_leapseconds}" = xyes; thenAC_DEFINE(HAVE_POSIX_LEAPSECONDS, 1,[Define if your system time functions do not count leapseconds, as required by POSIX.])fi])# R_SYS_POSIX_LEAPSECONDS### Local variables: ***### mode: outline-minor ***### outline-regexp: "### [*]+" ***### End: ***dnldnl GNOME_GNORBA_HOOK (script-if-gnorba-found, failflag)dnldnl if failflag is "failure" it aborts if gnorba is not found.dnlAC_DEFUN([GNOME_GNORBA_HOOK],[GNOME_ORBIT_HOOK([],$2)AC_CACHE_CHECK([for gnorba libraries],gnome_cv_gnorba_found,[gnome_cv_gnorba_found=noif test x$gnome_cv_orbit_found = xyes; thenGNORBA_CFLAGS="`gnome-config --cflags gnorba gnomeui`"GNORBA_LIBS="`gnome-config --libs gnorba gnomeui`"if test -n "$GNORBA_LIBS"; thengnome_cv_gnorba_found=yesfifi])AM_CONDITIONAL(HAVE_GNORBA, test x$gnome_cv_gnorba_found = xyes)if test x$gnome_cv_orbit_found = xyes; then$1GNORBA_CFLAGS="`gnome-config --cflags gnorba gnomeui`"GNORBA_LIBS="`gnome-config --libs gnorba gnomeui`"AC_SUBST(GNORBA_CFLAGS)AC_SUBST(GNORBA_LIBS)elseif test x$2 = xfailure; thenAC_MSG_ERROR(gnorba library not installed or installation problem)fifi])AC_DEFUN([GNOME_GNORBA_CHECK], [GNOME_GNORBA_HOOK([],failure)])dnldnl GNOME_ORBIT_HOOK (script-if-orbit-found, failflag)dnldnl if failflag is "failure" it aborts if orbit is not found.dnlAC_DEFUN([GNOME_ORBIT_HOOK],[AC_PATH_PROG(ORBIT_CONFIG,orbit-config,no)AC_PATH_PROG(ORBIT_IDL,orbit-idl,no)AC_CACHE_CHECK([for working ORBit environment],gnome_cv_orbit_found,[if test x$ORBIT_CONFIG = xno -o x$ORBIT_IDL = xno; thengnome_cv_orbit_found=noelsegnome_cv_orbit_found=yesfi])AM_CONDITIONAL(HAVE_ORBIT, test x$gnome_cv_orbit_found = xyes)if test x$gnome_cv_orbit_found = xyes; then$1ORBIT_CFLAGS=`orbit-config --cflags client server`ORBIT_LIBS=`orbit-config --use-service=name --libs client server`AC_SUBST(ORBIT_CFLAGS)AC_SUBST(ORBIT_LIBS)elseif test x$2 = xfailure; thenAC_MSG_ERROR(ORBit not installed or installation problem)fifi])AC_DEFUN([GNOME_ORBIT_CHECK], [GNOME_ORBIT_HOOK([],failure)])dnldnl GNOME_INIT_HOOK (script-if-gnome-enabled, [failflag], [additional-inits])dnldnl if failflag is "fail" then GNOME_INIT_HOOK will abort if gnomeConf.shdnl is not found.dnlAC_DEFUN([GNOME_INIT_HOOK],[AC_SUBST(GNOME_LIBS)AC_SUBST(GNOMEUI_LIBS)AC_SUBST(GNOMEGNORBA_LIBS)AC_SUBST(GTKXMHTML_LIBS)AC_SUBST(ZVT_LIBS)AC_SUBST(GNOME_LIBDIR)AC_SUBST(GNOME_INCLUDEDIR)AC_ARG_WITH(gnome-includes,[ --with-gnome-includes=DIRspecify location of GNOME headers []], [CPPFLAGS="$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$want_gnome" = xyes; thenAC_PATH_PROG(GNOME_CONFIG,gnome-config,no)if test "$GNOME_CONFIG" = "no"; thenno_gnome_config="yes"elseAC_MSG_CHECKING(if $GNOME_CONFIG works)if $GNOME_CONFIG --libs-only-l gnome >/dev/null 2>&1; thenAC_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`"$1elseAC_MSG_RESULT(no)no_gnome_config="yes"fifiif test x$gnome_prefix = x; thenif test x$exec_prefix = xNONE; thenif test x$prefix = xNONE; thengnome_prefix=$ac_default_prefix/libelsegnome_prefix=$prefix/libfielsegnome_prefix=`eval echo \`echo $libdir\``fifiif test "$no_gnome_config" = "yes"; thenAC_MSG_CHECKING(for gnomeConf.sh file in $gnome_prefix)if test -f $gnome_prefix/gnomeConf.sh; thenAC_MSG_RESULT(found)echo "loading gnome configuration from" \"$gnome_prefix/gnomeConf.sh". $gnome_prefix/gnomeConf.sh$1elseAC_MSG_RESULT(not found)if test x$2 = xfail; thenAC_MSG_ERROR(Could not find the gnomeConf.sh file that is generated by gnome-libs install)fifififiif test -n "$3"; thenn="$3"for i in $n; doAC_MSG_CHECKING(extra library \"$i\")case $i inapplets)AC_SUBST(GNOME_APPLETS_LIBS)GNOME_APPLETS_LIBS=`$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)esacdonefi])dnldnl GNOME_INIT ([additional-inits])dnlAC_DEFUN([GNOME_INIT],[GNOME_INIT_HOOK([],fail,$1)])# a macro to get the libs/cflags for libglade# serial 1dnl AM_PATH_LIBGLADE([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, MODULES]]])dnl Test to see if libglade is installed, and define LIBGLADE_CFLAGS, LIBSdnlAC_DEFUN(AM_PATH_LIBGLADE,[dnldnl Get the cflags and libraries from the libglade-config scriptdnlAC_ARG_WITH(libglade-config,[ --with-libglade-config=LIBGLADE_CONFIGspecify location of libglade-config []],LIBGLADE_CONFIG="$withval")module_args=for module in . $3; docase "$module" ingnome)module_args="$module_args gnome";;bonobo)module_args="$module_args bonobo";;gnomedb)module_args="$module_args gnomedb";;esacdoneAC_PATH_PROG(LIBGLADE_CONFIG, libglade-config, no)AC_MSG_CHECKING(for libglade)if test "$LIBGLADE_CONFIG" = "no"; thenAC_MSG_RESULT(no)ifelse([$2], , :, [$2])elseif $LIBGLADE_CONFIG --check $module_args; thenLIBGLADE_CFLAGS=`$LIBGLADE_CONFIG --cflags $module_args`LIBGLADE_LIBS=`$LIBGLADE_CONFIG --libs $module_args`AC_MSG_RESULT(yes)ifelse([$1], , :, [$1])elseecho "*** libglade was not compiled with support for $module_args" 1>&2AC_MSG_RESULT(no)ifelse([$2], , :, [$2])fifiAC_SUBST(LIBGLADE_CFLAGS)AC_SUBST(LIBGLADE_LIBS)])# libtool.m4 - Configure libtool for the host system. -*-Shell-script-*-## Copyright 1996, 1997, 1998, 1999, 2000, 2001## Free Software Foundation, Inc.## Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996#### This program is free software; you can redistribute it and/or modify## it under the terms of the GNU General Public License as published by## the Free Software Foundation; either version 2 of the License, or## (at your option) any later version.#### This program is distributed in the hope that it will be useful, but## WITHOUT ANY WARRANTY; without even the implied warranty of## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU## General Public License for more details.#### You should have received a copy of the GNU General Public License## along with this program; if not, write to the Free Software## Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.#### As a special exception to the GNU General Public License, if you## distribute this file as part of a program that contains a## configuration script generated by Autoconf, you may include it under## the same distribution terms that you use for the rest of that program.# serial 46 AC_PROG_LIBTOOLAC_DEFUN([AC_PROG_LIBTOOL],[AC_REQUIRE([AC_LIBTOOL_SETUP])dnl# This can be used to rebuild libtool when neededLIBTOOL_DEPS="$ac_aux_dir/ltmain.sh"# Always use our own libtool.LIBTOOL='$(SHELL) $(top_builddir)/libtool'AC_SUBST(LIBTOOL)dnl# Prevent multiple expansiondefine([AC_PROG_LIBTOOL], [])])AC_DEFUN([AC_LIBTOOL_SETUP],[AC_PREREQ(2.13)dnlAC_REQUIRE([AC_ENABLE_SHARED])dnlAC_REQUIRE([AC_ENABLE_STATIC])dnlAC_REQUIRE([AC_ENABLE_FAST_INSTALL])dnlAC_REQUIRE([AC_CANONICAL_HOST])dnlAC_REQUIRE([AC_CANONICAL_BUILD])dnlAC_REQUIRE([AC_PROG_CC])dnlAC_REQUIRE([AC_PROG_LD])dnlAC_REQUIRE([AC_PROG_LD_RELOAD_FLAG])dnlAC_REQUIRE([AC_PROG_NM])dnlAC_REQUIRE([AC_PROG_LN_S])dnlAC_REQUIRE([AC_DEPLIBS_CHECK_METHOD])dnlAC_REQUIRE([AC_OBJEXT])dnlAC_REQUIRE([AC_EXEEXT])dnldnl_LT_AC_PROG_ECHO_BACKSLASH# Only perform the check for file, if the check method requires itcase $deplibs_check_method infile_magic*)if test "$file_magic_cmd" = '$MAGIC_CMD'; thenAC_PATH_MAGICfi;;esacAC_CHECK_TOOL(RANLIB, ranlib, :)AC_CHECK_TOOL(STRIP, strip, :)ifdef([AC_PROVIDE_AC_LIBTOOL_DLOPEN], enable_dlopen=yes, enable_dlopen=no)ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],enable_win32_dll=yes, enable_win32_dll=no)AC_ARG_ENABLE(libtool-lock,[ --disable-libtool-lock avoid locking (might break parallel builds)])test "x$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_extif AC_TRY_EVAL(ac_compile); thencase `/usr/bin/file conftest.$ac_objext` in*32-bit*)LD="${LD-ld} -32";;*N32*)LD="${LD-ld} -n32";;*64-bit*)LD="${LD-ld} -64";;esacfirm -rf conftest*;;*-*-sco3.2v5*)# On SCO OpenServer 5, we need -belf to get full-featured binaries.SAVE_CFLAGS="$CFLAGS"CFLAGS="$CFLAGS -belf"AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf,[AC_LANG_SAVEAC_LANG_CAC_TRY_LINK([],[],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no])AC_LANG_RESTORE])if test x"$lt_cv_cc_needs_belf" != x"yes"; then# this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belfCFLAGS="$SAVE_CFLAGS"fi;;ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],[*-*-cygwin* | *-*-mingw* | *-*-pw32*)AC_CHECK_TOOL(DLLTOOL, dlltool, false)AC_CHECK_TOOL(AS, as, false)AC_CHECK_TOOL(OBJDUMP, objdump, false)# recent cygwin and mingw systems supply a stub DllMain which the user# can override, but on older systems we have to supply oneAC_CACHE_CHECK([if libtool should supply DllMain function], lt_cv_need_dllmain,[AC_TRY_LINK([],[extern int __attribute__((__stdcall__)) DllMain(void*, int, void*);DllMain (0, 0, 0);],[lt_cv_need_dllmain=no],[lt_cv_need_dllmain=yes])])case $host/$CC in*-*-cygwin*/gcc*-mno-cygwin*|*-*-mingw*)# old mingw systems require "-dll" to link a DLL, while more recent ones# require "-mdll"SAVE_CFLAGS="$CFLAGS"CFLAGS="$CFLAGS -mdll"AC_CACHE_CHECK([how to link DLLs], lt_cv_cc_dll_switch,[AC_TRY_LINK([], [], [lt_cv_cc_dll_switch=-mdll],[lt_cv_cc_dll_switch=-dll])])CFLAGS="$SAVE_CFLAGS" ;;*-*-cygwin* | *-*-pw32*)# cygwin systems need to pass --dll to the linker, and not link# crt.o which will require a WinMain@16 definition.lt_cv_cc_dll_switch="-Wl,--dll -nostartfiles" ;;esac;;])esac_LT_AC_LTCONFIG_HACK])# AC_LIBTOOL_HEADER_ASSERT# ------------------------AC_DEFUN([AC_LIBTOOL_HEADER_ASSERT],[AC_CACHE_CHECK([whether $CC supports assert without backlinking],[lt_cv_func_assert_works],[case $host in*-*-solaris*)if test "$GCC" = yes && test "$with_gnu_ld" != yes; thencase `$CC --version 2>/dev/null` in[[12]].*) lt_cv_func_assert_works=no ;;*) lt_cv_func_assert_works=yes ;;esacfi;;esac])if test "x$lt_cv_func_assert_works" = xyes; thenAC_CHECK_HEADERS(assert.h)fi])# AC_LIBTOOL_HEADER_ASSERT# _LT_AC_CHECK_DLFCN# --------------------AC_DEFUN([_LT_AC_CHECK_DLFCN],[AC_CHECK_HEADERS(dlfcn.h)])# _LT_AC_CHECK_DLFCN# AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE# ---------------------------------AC_DEFUN([AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE],[AC_REQUIRE([AC_CANONICAL_HOST])AC_REQUIRE([AC_PROG_NM])AC_REQUIRE([AC_OBJEXT])# Check for command to grab the raw symbol name followed by C symbol from nm.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. What could be older than Ultrix?!! ;)]# Character class describing NM global symbol codes.symcode='[[BCDEGRST]]'# Regexp to match symbols that can be accessed directly from C.sympat='\([[_A-Za-z]][[_A-Za-z0-9]]*\)'# Transform the above into a raw symbol and a C symbol.symxfrm='\1 \2\3 \3'# Transform an extracted symbol line into a proper C declarationlt_cv_global_symbol_to_cdecl="sed -n -e 's/^. .* \(.*\)$/extern char \1;/p'"# Transform an extracted symbol line into symbol name and symbol addresslt_cv_global_symbol_to_c_name_address="sed -n -e 's/^: \([[^ ]]*\) $/ {\\\"\1\\\", (lt_ptr) 0},/p' -e 's/^$symcode \([[^ ]]*\) \([[^ ]]*\)$/ {\"\2\", (lt_ptr) \&\2},/p'"# Define system-specific variables.case $host_os inaix*)symcode='[[BCDT]]';;cygwin* | mingw* | pw32*)symcode='[[ABCDGISTW]]';;hpux*) # Its linker distinguishes data from code symbolslt_cv_global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern char \1();/p' -e 's/^$symcode* .* \(.*\)$/extern char \1;/p'"lt_cv_global_symbol_to_c_name_address="sed -n -e 's/^: \([[^ ]]*\) $/ {\\\"\1\\\", (lt_ptr) 0},/p' -e 's/^$symcode* \([[^ ]]*\) \([[^ ]]*\)$/ {\"\2\", (lt_ptr) \&\2},/p'";;irix*)symcode='[[BCDEGRST]]';;solaris* | sysv5*)symcode='[[BDT]]';;sysv4)symcode='[[DFNSTU]]';;esac# Handle CRLF in mingw tool chainopt_cr=case $host_os inmingw*)opt_cr=`echo 'x\{0,1\}' | tr x '\015'` # option cr in regexp;;esac# If we're using GNU nm, then use its standard symbol codes.if $NM -V 2>&1 | egrep '(GNU|with BFD)' > /dev/null; thensymcode='[[ABCDGISTW]]'fi# Try without a prefix undercore, then with it.for ac_symprfx in "" "_"; do# Write the raw and C identifiers.lt_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[[ ]]\($symcode$symcode*\)[[ ]][[ ]]*\($ac_symprfx\)$sympat$opt_cr$/$symxfrm/p'"# Check to see that the pipe works correctly.pipe_works=norm -f conftest*cat > conftest.$ac_ext <<EOF#ifdef __cplusplusextern "C" {#endifchar nm_test_var;void nm_test_func(){}#ifdef __cplusplus}#endifint main(){nm_test_var='a';nm_test_func();return(0);}EOFif AC_TRY_EVAL(ac_compile); then# Now try to grab the symbols.nlist=conftest.nmif AC_TRY_EVAL(NM conftest.$ac_objext \| $lt_cv_sys_global_symbol_pipe \> $nlist) && test -s "$nlist"; then# Try sorting and uniquifying the output.if sort "$nlist" | uniq > "$nlist"T; thenmv -f "$nlist"T "$nlist"elserm -f "$nlist"Tfi# Make sure that we snagged all the symbols we need.if egrep ' nm_test_var$' "$nlist" >/dev/null; thenif egrep ' nm_test_func$' "$nlist" >/dev/null; thencat <<EOF > conftest.$ac_ext#ifdef __cplusplusextern "C" {#endifEOF# Now generate the symbol file.eval "$lt_cv_global_symbol_to_cdecl"' < "$nlist" >> conftest.$ac_ext'cat <<EOF >> conftest.$ac_ext#if defined (__STDC__) && __STDC__# define lt_ptr void *#else# define lt_ptr char *# define const#endif/* The mapping between symbol names and symbols. */const struct {const char *name;lt_ptr address;}lt_preloaded_symbols[[]] ={EOFsed "s/^$symcode$symcode* \(.*\) \(.*\)$/ {\"\2\", (lt_ptr) \&\2},/" < "$nlist" >> conftest.$ac_extcat <<\EOF >> conftest.$ac_ext{0, (lt_ptr) 0}};#ifdef __cplusplus}#endifEOF# Now try linking the two files.mv conftest.$ac_objext conftstm.$ac_objextsave_LIBS="$LIBS"save_CFLAGS="$CFLAGS"LIBS="conftstm.$ac_objext"CFLAGS="$CFLAGS$no_builtin_flag"if AC_TRY_EVAL(ac_link) && test -s conftest; thenpipe_works=yesfiLIBS="$save_LIBS"CFLAGS="$save_CFLAGS"elseecho "cannot find nm_test_func in $nlist" >&AC_FD_CCfielseecho "cannot find nm_test_var in $nlist" >&AC_FD_CCfielseecho "cannot run $lt_cv_sys_global_symbol_pipe" >&AC_FD_CCfielseecho "$progname: failed program was:" >&AC_FD_CCcat conftest.$ac_ext >&5firm -f conftest* conftst*# Do not use the global_symbol_pipe unless it works.if test "$pipe_works" = yes; thenbreakelselt_cv_sys_global_symbol_pipe=fidone])global_symbol_pipe="$lt_cv_sys_global_symbol_pipe"if test -z "$lt_cv_sys_global_symbol_pipe"; thenglobal_symbol_to_cdecl=global_symbol_to_c_name_address=elseglobal_symbol_to_cdecl="$lt_cv_global_symbol_to_cdecl"global_symbol_to_c_name_address="$lt_cv_global_symbol_to_c_name_address"fiif test -z "$global_symbol_pipe$global_symbol_to_cdec$global_symbol_to_c_name_address";thenAC_MSG_RESULT(failed)elseAC_MSG_RESULT(ok)fi]) # AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE# _LT_AC_LIBTOOL_SYS_PATH_SEPARATOR# ---------------------------------AC_DEFUN([_LT_AC_LIBTOOL_SYS_PATH_SEPARATOR],[# Find the correct PATH separator. 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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 <stdio.h> /* for printf() */# #include <unistd.h> /* for open(), lseek(), read() */# #include <fcntl.h> /* for O_RDONLY, O_BINARY */# #include <string.h> /* 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<nexp; i++)# {# unsigned long name_rva = pe_as32 (erva+name_rvas+i*4);# printf ("\t%s @ %ld ;\n", erva+name_rva, 1+ i);# }## return 0;# }# /* impgen.c ends here */EOF;;esac# We use sed instead of cat because bash on DJGPP gets confused if# if finds mixed CR/LF and LF-only lines. 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