#
# ${R_HOME}/src/main/Makefile

VPATH = @srcdir@
srcdir = @srcdir@
top_srcdir = @top_srcdir@

top_builddir = ../..
subdir = src/main

include $(top_builddir)/Makeconf

SOURCES_C = \
	CConverters.c CommandLineArgs.c \
	Rdynload.c Renviron.c RNG.c \
	apply.c arithmetic.c apse.c array.c attrib.c \
	base.c bind.c builtin.c \
	character.c coerce.c colors.c complex.c connections.c context.c \
	cov.c cum.c \
	dcf.c datetime.c debug.c devPS.c devPicTeX.c deparse.c deriv.c \
	devices.c dotcode.c dounzip.c dstruct.c duplicate.c \
	engine.c envir.c errors.c eval.c \
	format.c fourier.c \
	gram.c gram-ex.c graphics.c \
	identical.c internet.c iosupport.c \
	lapack.c list.c logic.c \
	main.c mapply.c match.c memory.c model.c \
	names.c \
	objects.c optim.c optimize.c options.c \
	par.c paste.c pcre.c platform.c \
	plot.c plot3d.c plotmath.c \
	print.c printarray.c printvector.c printutils.c qsort.c \
	random.c regex.c registration.c relop.c \
	saveload.c scan.c seq.c serialize.c size.c sort.c source.c split.c \
	sprintf.c startup.c subassign.c subscript.c subset.c summary.c sysutils.c \
	unique.c util.c \
	version.c vfonts.c
SOURCES_F = \
	xxxpr.f
EXTRA_SOURCES_C = \
	Rmain.c Rembedded.c \
	alloca.c acosh.c asinh.c atanh.c \
	snprintf.c strdup.c strncasecmp.c \
	vsnprintf.c
DEPENDS = $(SOURCES_C:.c=.d) $(EXTRA_SOURCES_C:.c=.d)
SOURCES = $(SOURCES_C) $(SOURCES_F)
OBJECTS = $(SOURCES_C:.c=.o) $(SOURCES_F:.f=.o)
HEADERS = \
	RBufferUtils.h Rregex.h Rstrptime.h \
	arithmetic.h apse.h \
	basedecl.h \
	par-common.c \
	qsort-body.c \
	unzip.h

distdir = $(top_builddir)/$(PACKAGE)-$(VERSION)/$(subdir)
DISTFILES = Makefile.in Makefile.win \
	$(HEADERS) \
	$(SOURCES_C) \
	$(EXTRA_SOURCES_C) \
	$(SOURCES_F) \
	gram.y

## these are built with CPICFLAGS so safe to use in libR.so
ZLIB_CPPFLAGS = @BUILD_ZLIB_TRUE@ -I$(top_srcdir)/src/extra/zlib
BZLIB_CPPFLAGS = @BUILD_BZLIB_TRUE@ -I$(top_srcdir)/src/extra/bzip2
PCRE_CPPFLAGS = @BUILD_PCRE_TRUE@ -I$(top_srcdir)/src/extra/pcre
XDR_CPPFLAGS = @BUILD_XDR_TRUE@ -I$(top_srcdir)/src/extra/xdr

ALL_CPPFLAGS = $(ZLIB_CPPFLAGS) $(BZLIB_CPPFLAGS) $(PCRE_CPPFLAGS) \
  $(XDR_CPPFLAGS) $(R_XTRA_CPPFLAGS) $(CPPFLAGS) $(DEFS)

## use an explicit library: there might be an unsatisfactory -lz around
R_ZLIBS = @BUILD_ZLIB_TRUE@ ../extra/zlib/libz.a
R_BZLIBS = @BUILD_BZLIB_TRUE@ ../extra/bzip2/libbz2.a
R_PCRE = @BUILD_PCRE_TRUE@ ../extra/pcre/libpcre.a
R_XDR = @BUILD_XDR_TRUE@ ../extra/xdr/libxdr.a

## <FIXME>
## Names in here should use '$(top_builddir)' instead ...
RLIBS = ../unix/libunix.a ../appl/libappl.a ../nmath/libnmath.a $(R_XDR)
## </FIXME>

R_binary = R.bin
Rexecbin_PROGRAMS = $(R_binary)
R_bin_SOURCES = $(SOURCES)
R_bin_OBJECTS = Rmain.o @WANT_R_SHLIB_FALSE@ $(OBJECTS)
## <FIXME>
## This will not be good enough on AIX, where we need to play also with
## -export-symbols SYMFILE.
@USE_LIBTOOL_TRUE@R_bin_LDFLAGS = -export-dynamic
## </FIXME>
R_bin_LDADD = @LIBOBJS@ @ALLOCA@ $(RLIBS) $(BLAS_LIBS) $(FLIBS) $(R_XTRA_LIBS) $(R_ZLIBS) $(R_BZLIBS) $(R_PCRE)
## <NOTE>
## Automake would figure this out itself.
R_bin_DEPENDENCIES = @WANT_R_SHLIB_FALSE@ @LIBOBJS@ @ALLOCA@ $(RLIBS) @USE_EXPORTFILES_TRUE@ $(top_builddir)/etc/R.exp
## </NOTE>

## <FIXME>
## Change to 'libR.la' when using libtool for shlibs.
## Remove when using automake ... also fix target 'install' then.
libR_la = libR$(DYLIB_EXT)
## </FIXME>
Rexeclib_LTLIBRARIES = $(libR_la)
libR_la_SOURCES = $(SOURCES)
libR_la_LDFLAGS =
libR_la_OBJECTS = Rembedded.lo $(OBJECTS:.o=.lo)
## <FIXME>
## This should also have `ls ../appl/*.lo ../nmath/*.lo ../unix/*.lo`, but
## of course this will not work when the files do not exist yet :-)
libR_la_LIBADD = @LTLIBOBJS@ $(BLAS_LIBS) $(FLIBS) $(R_XTRA_LIBS) \
  $(R_ZLIBS) $(R_BZLIBS) $(R_PCRE) $(R_XDR)
libR_la_DEPENDENCIES = @LTLIBOBJS@ ../appl/stamp-lo ../nmath/stamp-lo ../unix/stamp-lo @USE_EXPORTFILES_TRUE@ $(top_builddir)/etc/R.exp
## </FIXME>
@USE_LIBTOOL_TRUE@libR_la_LDFLAGS = -avoid-version -rpath $(Rexeclibdir)
LIBR_LDFLAGS = @LIBR_LDFLAGS@

all: Makefile Makedeps R

Makefile: $(srcdir)/Makefile.in \
  $(top_builddir)/config.status \
  ../include/config.h \
  ../include/Rversion.h \
  $(SOURCES_C)
	@cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@

Makedeps: Makefile $(DEPENDS)
	@cat $(DEPENDS) >> Makefile
	@touch $@

## This target has been changed to ensure that R.bin and libR get
## installed in the build tree if necessary, even if the corresponding 
## objects are not re-made.
## Note that dependencies in the test Makefiles depend on these objects,
## so copy-if-change is used.
R: Makefile
	@$(MAKE) Makedeps
@WANT_R_SHLIB_TRUE@	@$(MAKE) install-lib-local
@USE_WINDOWS_FALSE@	@$(MAKE) install-bin-local
@USE_WINDOWS_TRUE@	@$(MAKE) RWin

RWin: libmain.a

libmain.a: $(OBJECTS) acosh.o asinh.o atanh.o
	rm -f $@
	$(AR) cr $@ $^
	$(RANLIB) $@

../include/config.h ../include/Rversion.h:
	(cd $(@D); $(MAKE) $(@F))

$(R_binary): $(R_bin_OBJECTS) $(R_bin_DEPENDENCIES)
@WANT_R_SHLIB_FALSE@	$(MAIN_LINK) -o $@ $(R_bin_LDFLAGS) $(R_bin_OBJECTS) $(R_bin_LDADD) $(LIBS)
@WANT_R_SHLIB_TRUE@	$(MAIN_LINK) -o $@ $(R_bin_LDFLAGS) $(R_bin_OBJECTS) -L../../lib -lR

install-bin-local: $(R_binary)
	@$(MAKE) rhome=`cd $(top_builddir); pwd` install-bin

$(top_builddir)/etc/R.exp: $(OBJECTS) $(RLIBS)
	@$(SHELL) $(top_srcdir)/tools/ldAIX4 -o $@ $(OBJECTS) $(RLIBS)

$(RLIBS):
	(cd $(@D); $(MAKE) $(@F))

libR: $(libR_la)
$(libR_la): $(libR_la_OBJECTS) $(libR_la_DEPENDENCIES)
## <FIXME>
## This used to have $(SHLIB_LINK), but this uses $(SHLIB_LDFLAGS) which
## is really for loadable modules and not shared libraries for linking
## against ... the definition of $(SHLIB_LINK) in the top level Makeconf
## has a libtool conditional which we do not have here (as we currently
## cannot use libtool anyway).
	$(DYLIB_LINK) $(LIBR_LDFLAGS) -o $@ $(libR_la_LDFLAGS) $(libR_la_OBJECTS) `ls ../appl/*.lo ../nmath/*.lo ../unix/*.lo  2>/dev/null` $(libR_la_LIBADD) $(LIBS)
## </FIXME>

install-lib-local: $(libR_la)
	@$(MAKE) rhome=`cd $(top_builddir); pwd` install-lib

../appl/stamp-lo ../nmath/stamp-lo ../unix/stamp-lo:
	(cd $(@D); $(MAKE) $(@F))

$(srcdir)/gram.c: @MAINTAINER_MODE_TRUE@ $(srcdir)/gram.y
	@echo "re-making gram.c"
	$(YACC) $(YFLAGS) $(srcdir)/gram.y
	$(SHELL) $(top_srcdir)/tools/move-if-change y.tab.c $(srcdir)/gram.c

install: installdirs
	@$(MAKE) install-bin
	@if test -f $(libR_la); then $(MAKE) install-lib; fi
installdirs:
	@$(MKINSTALLDIRS) $(Rexecbindir) $(Rexecbindir)/exec
	@$(MKINSTALLDIRS) $(Rexeclibdir)
install-bin:installdirs
## <FIXME> Temporary precautionary clearout 
	@rm -f $(Rexecbindir)/R.bin
## </FIXME>
	@$(SHELL) $(top_srcdir)/tools/copy-if-change $(R_binary) $(Rexecbindir)/exec/R
install-lib: installdirs
@USE_LIBTOOL_FALSE@	@$(SHELL) $(top_srcdir)/tools/copy-if-change $(libR_la) $(Rexeclibdir)/$(libR_la)
## <FIXME>
## This is just a temporary expedient for backwards compatibility.
## May have an actual libR.so file in R_HOME/bin from earlier builds
	@rm -f $(Rexecbindir)/$(libR_la)
	@ln -s $(Rexeclibdir)/$(libR_la) $(Rexecbindir)
## </FIXME>
@USE_LIBTOOL_TRUE@	@$(LIBTOOL) --mode=install $(INSTALL) $(libR_la) $(Rexeclibdir)
install-strip:
	$(MAKE) INSTALL_PROGRAM="${INSTALL_PROGRAM} -s" install
uninstall:
	@rm -f $(Rexecbindir)/exec/R $(Rexecbindir)/R.bin
	@rmdir $(Rexecbindir) 2>/dev/null \
	  || echo "  subdir $(Rexecbindir) not removed"
	@rm -f $(Rexeclibdir)/libR$(DYLIB_EXT)
	@rmdir $(Rexeclibdir) 2>/dev/null \
	  || echo "  subdir $(Rexeclibdir) not removed"

mostlyclean: clean
clean:
	@-rm -rf .libs _libs
	@-rm -f *core Makedeps *.d *.o *.lo *.la *$(DYLIB_EXT) \
	  $(Rexecbin_PROGRAMS)
distclean: clean
	@-rm -f Makefile
maintainer-clean: distclean
	@echo "This command is intended for maintainers to use; it"
	@echo "deletes files that may need special rules to rebuild"
	@-rm -f $(srcdir)/gram.c

tags: TAGS
TAGS: $(SOURCES) $(EXTRA_SOURCES_C) $(HEADERS)
	etags $(SOURCES) $(EXTRA_SOURCES_C) $(HEADERS)

## Unused targets
info dvi check:

distdir: $(DISTFILES)
	@for f in $(DISTFILES); do \
	  test -f $(distdir)/$${f} \
	    || ln $(srcdir)/$${f} $(distdir)/$${f} 2>/dev/null \
	    || cp -p $(srcdir)/$${f} $(distdir)/$${f}; \
	done

## Automagically generated dependencies: