libstdc++-v3/src/Makefile.am - gcc - Git at Google

 ## Makefile for the C++11 sources of the GNU C++ Standard library.
 ##
 ## Copyright (C) 1997-2017 Free Software Foundation, Inc.
 ##
 ## This file is part of the libstdc++ version 3 distribution.
 ## Process this file with automake to produce Makefile.in.

 ## This file is part of the GNU ISO C++ Library.  This library 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 3, or (at your option)
 ## any later version.

 ## This library 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 library; see the file COPYING3.  If not see
 ## <http://www.gnu.org/licenses/>.

 include $(top_srcdir)/fragment.am

 if ENABLE_FILESYSTEM_TS
 filesystem_dir = filesystem
 else
 filesystem_dir =
 endif

 SUBDIRS = c++98 c++11 $(filesystem_dir)

 # Cross compiler support.
 if VTV_CYGMIN
 toolexeclib_LTLIBRARIES = libvtv.la libstdc++.la
 else
 toolexeclib_LTLIBRARIES = libstdc++.la
 endif

 if VTV_CYGMIN
 vtv_stubs.cc:
 	rm -f $@
 	$(LN_S) $(toplevel_srcdir)/libstdc++-v3/libsupc++/vtv_stubs.cc $@

 libvtv_la_SOURCES = vtv_stubs.cc
 libvtv_la_LDFLAGS = $(lt_host_flags)

 libvtv_la_AM_CXXFLAGS = \
 	$(glibcxx_compiler_pic_flag) \
 	$(XTEMPLATE_FLAGS) \
 	-Wl,-u_vtable_map_vars_start,-u_vtable_map_vars_end \
 	$(WARN_CXXFLAGS) $(OPTIMIZE_CXXFLAGS) $(CONFIG_CXXFLAGS)

 libvtv_la_LINK = $(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) \
 	$(LIBTOOLFLAGS) --mode=link $(CXXLD) $(libvtv_la_AM_CXXFLAGS) \
 	$(CXXFLAGS) $(libvtv_la_LDFLAGS) $(LDFLAGS) -o $@
 endif

 vpath % $(top_srcdir)/src/c++98
 vpath % $(top_srcdir)/src/c++11
 if ENABLE_FILESYSTEM_TS
 vpath % $(top_srcdir)/src/filesystem
 endif

 if GLIBCXX_LDBL_COMPAT
 ldbl_compat_sources = compatibility-ldbl.cc
 else
 ldbl_compat_sources =
 endif


 parallel_compat_sources = \
 	compatibility-parallel_list.cc  compatibility-parallel_list-2.cc


 cxx98_sources = \
 	compatibility.cc \
 	compatibility-debug_list.cc \
 	compatibility-debug_list-2.cc \
 	${ldbl_compat_sources}

 cxx11_sources = \
 	compatibility-c++0x.cc \
 	compatibility-atomic-c++0x.cc \
 	compatibility-thread-c++0x.cc \
 	compatibility-chrono.cc \
 	compatibility-condvar.cc

 libstdc___la_SOURCES = $(cxx98_sources) $(cxx11_sources)

 libstdc___la_LIBADD = \
 	$(GLIBCXX_LIBS) \
 	$(top_builddir)/libsupc++/libsupc++convenience.la \
 	$(top_builddir)/src/c++98/libc++98convenience.la \
 	$(top_builddir)/src/c++11/libc++11convenience.la

 libstdc___la_DEPENDENCIES = \
 	${version_dep} \
 	$(top_builddir)/libsupc++/libsupc++convenience.la \
 	$(top_builddir)/src/c++98/libc++98convenience.la \
 	$(top_builddir)/src/c++11/libc++11convenience.la

 libstdc___la_LDFLAGS = \
 	-version-info $(libtool_VERSION) ${version_arg} -lm

 libstdc___la_LINK = $(CXXLINK) $(libstdc___la_LDFLAGS)

 # Use special rules for compatibility-ldbl.cc compilation, as we need to
 # pass -mlong-double-64.
 if GLIBCXX_LDBL_COMPAT
 compatibility-ldbl.lo: compatibility-ldbl.cc
 	$(LTCXXCOMPILE) $(LONG_DOUBLE_COMPAT_FLAGS) -c $<
 compatibility-ldbl.o: compatibility-ldbl.cc
 	$(CXXCOMPILE) $(LONG_DOUBLE_COMPAT_FLAGS) -c $<
 endif

 # Use special rules for C++11 files/objects.
 compatibility-c++0x.lo: compatibility-c++0x.cc
 	$(LTCXXCOMPILE) -std=gnu++11 -c $<
 compatibility-c++0x.o: compatibility-c++0x.cc
 	$(CXXCOMPILE) -std=gnu++11 -c $<

 compatibility-atomic-c++0x.lo: compatibility-atomic-c++0x.cc
 	$(LTCXXCOMPILE) -std=gnu++11 -c $<
 compatibility-atomic-c++0x.o: compatibility-atomic-c++0x.cc
 	$(CXXCOMPILE) -std=gnu++11 -c $<

 compatibility-thread-c++0x.lo: compatibility-thread-c++0x.cc
 	$(LTCXXCOMPILE) -std=gnu++11 -c $<
 compatibility-thread-c++0x.o: compatibility-thread-c++0x.cc
 	$(CXXCOMPILE) -std=gnu++11 -c $<

 compatibility-chrono.lo: compatibility-chrono.cc
 	$(LTCXXCOMPILE) -std=gnu++11 -c $<
 compatibility-chrono.o: compatibility-chrono.cc
 	$(CXXCOMPILE) -std=gnu++11 -c $<

 compatibility-condvar.lo: compatibility-condvar.cc
 	$(LTCXXCOMPILE) -std=gnu++11 -c $<
 compatibility-condvar.o: compatibility-condvar.cc
 	$(CXXCOMPILE) -std=gnu++11 -c $<

 # A note on compatibility and static libraries.
 #
 # static lib == linked against only this version, should not need compat
 # shared lib == linked against potentially all compat versions
 #
 # Thus, the shared libs have more compat symbols, which can be found
 # segregated in the sources with -D_GLIBCXX_SHARED.
 #
 # In the sub-directories of libsupc++, src/c++98, src/c++11, only
 # -prefer-pic objects are generated for the convenience libraries.
 #
 # In the main src directory, make shared and static objects just for
 # the compat libraries. Shared objects are compiled with -prefer-pic
 # -D_GLIBCXX_SHARED and in the .libs sub-directory, static objects are
 # compiled with -prefer-pic (ie, -fPIC but not -D_GLIBCXX_SHARED) and
 # the main src directory.
 #
 # Why are objects destined for libstdc++.a compiled with -fPIC? First,
 # because -fPIC is not harmful to use for objects destined for static
 # libraries. In addition, using -fPIC will allow the use of static
 # libstdc++.a in the creation of other C++ shared libraries.

 # AM_CXXFLAGS needs to be in each sub-directory so that it can be
 # modified in a per-library or per-sub-library way.  Need to manually
 # set this option because CONFIG_CXXFLAGS has to be after
 # OPTIMIZE_CXXFLAGS on the compile line so that -O2 can be overridden
 # as the occasion calls for it.
 AM_CXXFLAGS = \
 	-std=gnu++98 \
 	$(glibcxx_compiler_pic_flag) \
 	$(XTEMPLATE_FLAGS) $(VTV_CXXFLAGS) \
 	$(WARN_CXXFLAGS) $(OPTIMIZE_CXXFLAGS) $(CONFIG_CXXFLAGS)

 # Libtool notes

 # 1) In general, libtool expects an argument such as `--tag=CXX' when
 # using the C++ compiler, because that will enable the settings
 # detected when C++ support was being configured.  However, when no
 # such flag is given in the command line, libtool attempts to figure
 # it out by matching the compiler name in each configuration section
 # against a prefix of the command line.  The problem is that, if the
 # compiler name and its initial flags stored in the libtool
 # configuration file don't match those in the command line, libtool
 # can't decide which configuration to use, and it gives up.  The
 # correct solution is to add `--tag CXX' to LTCXXCOMPILE and maybe
 # CXXLINK, just after $(LIBTOOL), so that libtool doesn't have to
 # attempt to infer which configuration to use.
 #
 # The second tag argument, `--tag disable-shared` means that libtool
 # only compiles each source once, for static objects. In actuality,
 # glibcxx_lt_pic_flag and glibcxx_compiler_shared_flag are added to
 # the libtool command that is used create the object, which is
 # suitable for shared libraries.  The `--tag disable-shared` must be
 # placed after --tag CXX lest things CXX undo the affect of
 # disable-shared.

 # 2) Need to explicitly set LTCXXCOMPILE so that EXTRA_CXX_FLAGS is
 # last. (That way, things like -O2 passed down from the toplevel can
 # be overridden by --enable-debug and --enable-cxx-flags.)
 LTCXXCOMPILE = \
 	$(LIBTOOL) --tag CXX \
 	$(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
 	--mode=compile $(CXX) $(INCLUDES) \
 	$(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) $(EXTRA_CXX_FLAGS)

 LTLDFLAGS = $(shell $(SHELL) $(top_srcdir)/../libtool-ldflags $(LDFLAGS))

 # 3) We'd have a problem when building the shared libstdc++ object if
 # the rules automake generates would be used.  We cannot allow g++ to
 # be used since this would add -lstdc++ to the link line which of
 # course is problematic at this point.  So, we get the top-level
 # directory to configure libstdc++-v3 to use gcc as the C++
 # compilation driver.
 CXXLINK = \
 	$(LIBTOOL) --tag CXX \
 	$(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
 	--mode=link $(CXX) \
 	$(VTV_CXXLINKFLAGS) \
 	$(OPT_LDFLAGS) $(SECTION_LDFLAGS) $(AM_CXXFLAGS) $(LTLDFLAGS) -o $@

 # Symbol versioning for shared libraries.
 if ENABLE_SYMVERS
 libstdc++-symbols.ver:  ${glibcxx_srcdir}/$(SYMVER_FILE) \
 		$(port_specific_symbol_files)
 	cp ${glibcxx_srcdir}/$(SYMVER_FILE) $@.tmp
 	chmod +w $@.tmp
 	if test "x$(port_specific_symbol_files)" != x; then \
 	  if grep '^# Appended to version file.' \
 	       $(port_specific_symbol_files) > /dev/null 2>&1; then \
 	    cat $(port_specific_symbol_files) >> $@.tmp; \
 	  else \
 	    sed -n '1,/DO NOT DELETE/p' $@.tmp > tmp.top; \
 	    sed -n '/DO NOT DELETE/,$$p' $@.tmp > tmp.bottom; \
 	    cat tmp.top $(port_specific_symbol_files) tmp.bottom > $@.tmp; \
 	    rm tmp.top tmp.bottom; \
 	  fi; \
 	fi
 	$(EGREP) -v '^[ 	]*#(#| |$$)' $@.tmp | \
 	  $(CC) -E -P -include $(CONFIG_HEADER) - > $@ || (rm -f $@ ; exit 1)
 	rm -f $@.tmp

 CLEANFILES = libstdc++-symbols.ver

 if ENABLE_SYMVERS_GNU
 version_arg = -Wl,--version-script=libstdc++-symbols.ver
 version_dep = libstdc++-symbols.ver
 endif
 if ENABLE_SYMVERS_GNU_NAMESPACE
 version_arg = -Wl,--version-script=libstdc++-symbols.ver
 version_dep = libstdc++-symbols.ver
 endif
 if ENABLE_SYMVERS_SUN
 version_arg = -Wl,-M,libstdc++-symbols.ver-sun
 version_dep = libstdc++-symbols.ver-sun
 libstdc++-symbols.ver-sun : libstdc++-symbols.ver \
 		$(toplevel_srcdir)/contrib/make_sunver.pl \
 		$(libstdc___la_OBJECTS) $(libstdc___la_LIBADD)
 	CXXFILT="$(CXXFILT)"; export CXXFILT; \
 	perl $(toplevel_srcdir)/contrib/make_sunver.pl \
 	  libstdc++-symbols.ver \
 	  $(libstdc___la_OBJECTS:%.lo=.libs/%.o) \
 	 `echo $(libstdc___la_LIBADD) | \
 	    sed 's,/\([^/.]*\)\.la,/.libs/\1.a,g'` \
 	 > $@ || (rm -f $@ ; exit 1)
 endif
 if ENABLE_SYMVERS_DARWIN
 version_arg = -Wl,-exported_symbols_list,libstdc++-symbols.explist
 version_dep = libstdc++-symbols.explist
 libstdc++-symbols.explist : libstdc++-symbols.ver \
 		${glibcxx_srcdir}/scripts/make_exports.pl \
 		$(libstdc___la_OBJECTS) $(libstdc___la_LIBADD)
 	perl ${glibcxx_srcdir}/scripts/make_exports.pl \
 	  libstdc++-symbols.ver \
 	  $(libstdc___la_OBJECTS:%.lo=.libs/%.o) \
 	 `echo $(libstdc___la_LIBADD) | \
 	    sed 's,/\([^/.]*\)\.la,/.libs/\1.a,g'` \
 	 > $@ || (rm -f $@ ; exit 1)
 endif

 CLEANFILES += $(version_dep)
 else
 version_arg =
 version_dep =
 endif


 # Control additional build primary rules.
 all-once: libstdc++convenience.la $(STAMP_DEBUG)
 install-data-once: $(STAMP_INSTALL_DEBUG)

 all-local: all-once
 install-data-local: install-data-once
 clean-local:
 	rm -rf libstdc++convenience.la stamp* $(CLEAN_DEBUG)

 # Make a non-installed convenience library, so that --disable-static
 # may work.
 libstdc++convenience.la: $(toolexeclib_LTLIBRARIES)
 	$(CXXLINK) $(libstdc___la_LIBADD) $(LIBS); \
 	if test ! -f .libs/libstdc++.a; then \
 	  cp .libs/libstdc++convenience.a .libs/libstdc++.a; \
 	fi; \
 	echo `date` > stamp-libstdc++convenience;

 # Added rules.
 # 1 debug library
 # 2 supra-convenience library
 if GLIBCXX_BUILD_DEBUG
 STAMP_DEBUG = build-debug
 STAMP_INSTALL_DEBUG = install-debug
 CLEAN_DEBUG = debug
 else
 STAMP_DEBUG =
 STAMP_INSTALL_DEBUG =
 CLEAN_DEBUG =
 endif

 # Build a debug variant.
 # Take care to fix all possibly-relative paths.
 debugdir = ${glibcxx_builddir}/src/debug
 stamp-debug:
 	if test ! -d ${debugdir} || test ! -f ${debugdir}/Makefile ; then \
 	  mkdir -p ${debugdir}; \
 	  for d in $(SUBDIRS); do mkdir -p  ${debugdir}/$$d; done; \
 	  (cd ${debugdir}; \
 	  sed -e 's/top_builddir = \.\./top_builddir = ..\/../' \
 	      -e 's/top_build_prefix = \.\./top_build_prefix = ..\/../' \
 	      -e 's/srcdir = \.\./srcdir = ..\/../' \
 	      -e 's/VPATH = \.\./VPATH = ..\/../' \
 	      -e 's/glibcxx_basedir = \.\./glibcxx_basedir = ..\/../' \
 	      -e 's/MKDIR_P = \.\./MKDIR_P = ..\/../' \
 	  < ../Makefile > Makefile ; \
 	  for d in . $(SUBDIRS); do \
 	  sed -e 's/top_builddir = \.\./top_builddir = ..\/../' \
 	      -e 's/top_build_prefix = \.\./top_build_prefix = ..\/../' \
 	      -e 's/srcdir = \.\./srcdir = ..\/../' \
 	      -e 's/VPATH = \.\./VPATH = ..\/../' \
 	      -e 's/glibcxx_basedir = \.\./glibcxx_basedir = ..\/../' \
 	      -e 's/MKDIR_P = \.\./MKDIR_P = ..\/../' \
 	  < ../$$d/Makefile > $$d/Makefile ; \
 	  done) ; \
 	fi; \
 	echo `date` > stamp-debug;

 build-debug: stamp-debug
 	  (cd ${debugdir}; \
 	  mv Makefile Makefile.tmp; \
 	  sed -e 's,all-local: all-once,all-local:,' \
 	      -e 's,install-data-local: install-data-once,install-data-local:,' \
 	      -e '/vpath/!s,src/c,src/debug/c,' \
 	  < Makefile.tmp > Makefile ; \
 	  rm -f Makefile.tmp ; \
 	  $(MAKE) CXXFLAGS='$(DEBUG_FLAGS)' \
 	  toolexeclibdir=$(glibcxx_toolexeclibdir)/debug all) ;

 # Install debug library.
 install-debug: build-debug
 	(cd ${debugdir} && $(MAKE) CXXFLAGS='$(DEBUG_FLAGS)' \
 	toolexeclibdir=$(glibcxx_toolexeclibdir)/debug install) ;
	## Makefile for the C++11 sources of the GNU C++ Standard library.
	##
	## Copyright (C) 1997-2017 Free Software Foundation, Inc.
	##
	## This file is part of the libstdc++ version 3 distribution.
	## Process this file with automake to produce Makefile.in.

	## This file is part of the GNU ISO C++ Library. This library 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 3, or (at your option)
	## any later version.

	## This library 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 library; see the file COPYING3. If not see
	## <http://www.gnu.org/licenses/>.

	include $(top_srcdir)/fragment.am

	if ENABLE_FILESYSTEM_TS
	filesystem_dir = filesystem
	else
	filesystem_dir =
	endif

	SUBDIRS = c++98 c++11 $(filesystem_dir)

	# Cross compiler support.
	if VTV_CYGMIN
	toolexeclib_LTLIBRARIES = libvtv.la libstdc++.la
	else
	toolexeclib_LTLIBRARIES = libstdc++.la
	endif

	if VTV_CYGMIN
	vtv_stubs.cc:
	rm -f $@
	$(LN_S) $(toplevel_srcdir)/libstdc++-v3/libsupc++/vtv_stubs.cc $@

	libvtv_la_SOURCES = vtv_stubs.cc
	libvtv_la_LDFLAGS = $(lt_host_flags)

	libvtv_la_AM_CXXFLAGS = \
	$(glibcxx_compiler_pic_flag) \
	$(XTEMPLATE_FLAGS) \
	-Wl,-u_vtable_map_vars_start,-u_vtable_map_vars_end \
	$(WARN_CXXFLAGS) $(OPTIMIZE_CXXFLAGS) $(CONFIG_CXXFLAGS)

	libvtv_la_LINK = $(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) \
	$(LIBTOOLFLAGS) --mode=link $(CXXLD) $(libvtv_la_AM_CXXFLAGS) \
	$(CXXFLAGS) $(libvtv_la_LDFLAGS) $(LDFLAGS) -o $@
	endif

	vpath % $(top_srcdir)/src/c++98
	vpath % $(top_srcdir)/src/c++11
	if ENABLE_FILESYSTEM_TS
	vpath % $(top_srcdir)/src/filesystem
	endif

	if GLIBCXX_LDBL_COMPAT
	ldbl_compat_sources = compatibility-ldbl.cc
	else
	ldbl_compat_sources =
	endif


	parallel_compat_sources = \
	compatibility-parallel_list.cc compatibility-parallel_list-2.cc


	cxx98_sources = \
	compatibility.cc \
	compatibility-debug_list.cc \
	compatibility-debug_list-2.cc \
	${ldbl_compat_sources}

	cxx11_sources = \
	compatibility-c++0x.cc \
	compatibility-atomic-c++0x.cc \
	compatibility-thread-c++0x.cc \
	compatibility-chrono.cc \
	compatibility-condvar.cc

	libstdc___la_SOURCES = $(cxx98_sources) $(cxx11_sources)

	libstdc___la_LIBADD = \
	$(GLIBCXX_LIBS) \
	$(top_builddir)/libsupc++/libsupc++convenience.la \
	$(top_builddir)/src/c++98/libc++98convenience.la \
	$(top_builddir)/src/c++11/libc++11convenience.la

	libstdc___la_DEPENDENCIES = \
	${version_dep} \
	$(top_builddir)/libsupc++/libsupc++convenience.la \
	$(top_builddir)/src/c++98/libc++98convenience.la \
	$(top_builddir)/src/c++11/libc++11convenience.la

	libstdc___la_LDFLAGS = \
	-version-info $(libtool_VERSION) ${version_arg} -lm

	libstdc___la_LINK = $(CXXLINK) $(libstdc___la_LDFLAGS)

	# Use special rules for compatibility-ldbl.cc compilation, as we need to
	# pass -mlong-double-64.
	if GLIBCXX_LDBL_COMPAT
	compatibility-ldbl.lo: compatibility-ldbl.cc
	$(LTCXXCOMPILE) $(LONG_DOUBLE_COMPAT_FLAGS) -c $<
	compatibility-ldbl.o: compatibility-ldbl.cc
	$(CXXCOMPILE) $(LONG_DOUBLE_COMPAT_FLAGS) -c $<
	endif

	# Use special rules for C++11 files/objects.
	compatibility-c++0x.lo: compatibility-c++0x.cc
	$(LTCXXCOMPILE) -std=gnu++11 -c $<
	compatibility-c++0x.o: compatibility-c++0x.cc
	$(CXXCOMPILE) -std=gnu++11 -c $<

	compatibility-atomic-c++0x.lo: compatibility-atomic-c++0x.cc
	$(LTCXXCOMPILE) -std=gnu++11 -c $<
	compatibility-atomic-c++0x.o: compatibility-atomic-c++0x.cc
	$(CXXCOMPILE) -std=gnu++11 -c $<

	compatibility-thread-c++0x.lo: compatibility-thread-c++0x.cc
	$(LTCXXCOMPILE) -std=gnu++11 -c $<
	compatibility-thread-c++0x.o: compatibility-thread-c++0x.cc
	$(CXXCOMPILE) -std=gnu++11 -c $<

	compatibility-chrono.lo: compatibility-chrono.cc
	$(LTCXXCOMPILE) -std=gnu++11 -c $<
	compatibility-chrono.o: compatibility-chrono.cc
	$(CXXCOMPILE) -std=gnu++11 -c $<

	compatibility-condvar.lo: compatibility-condvar.cc
	$(LTCXXCOMPILE) -std=gnu++11 -c $<
	compatibility-condvar.o: compatibility-condvar.cc
	$(CXXCOMPILE) -std=gnu++11 -c $<

	# A note on compatibility and static libraries.
	#
	# static lib == linked against only this version, should not need compat
	# shared lib == linked against potentially all compat versions
	#
	# Thus, the shared libs have more compat symbols, which can be found
	# segregated in the sources with -D_GLIBCXX_SHARED.
	#
	# In the sub-directories of libsupc++, src/c++98, src/c++11, only
	# -prefer-pic objects are generated for the convenience libraries.
	#
	# In the main src directory, make shared and static objects just for
	# the compat libraries. Shared objects are compiled with -prefer-pic
	# -D_GLIBCXX_SHARED and in the .libs sub-directory, static objects are
	# compiled with -prefer-pic (ie, -fPIC but not -D_GLIBCXX_SHARED) and
	# the main src directory.
	#
	# Why are objects destined for libstdc++.a compiled with -fPIC? First,
	# because -fPIC is not harmful to use for objects destined for static
	# libraries. In addition, using -fPIC will allow the use of static
	# libstdc++.a in the creation of other C++ shared libraries.

	# AM_CXXFLAGS needs to be in each sub-directory so that it can be
	# modified in a per-library or per-sub-library way. Need to manually
	# set this option because CONFIG_CXXFLAGS has to be after
	# OPTIMIZE_CXXFLAGS on the compile line so that -O2 can be overridden
	# as the occasion calls for it.
	AM_CXXFLAGS = \
	-std=gnu++98 \
	$(glibcxx_compiler_pic_flag) \
	$(XTEMPLATE_FLAGS) $(VTV_CXXFLAGS) \
	$(WARN_CXXFLAGS) $(OPTIMIZE_CXXFLAGS) $(CONFIG_CXXFLAGS)

	# Libtool notes

	# 1) In general, libtool expects an argument such as `--tag=CXX' when
	# using the C++ compiler, because that will enable the settings
	# detected when C++ support was being configured. However, when no
	# such flag is given in the command line, libtool attempts to figure
	# it out by matching the compiler name in each configuration section
	# against a prefix of the command line. The problem is that, if the
	# compiler name and its initial flags stored in the libtool
	# configuration file don't match those in the command line, libtool
	# can't decide which configuration to use, and it gives up. The
	# correct solution is to add `--tag CXX' to LTCXXCOMPILE and maybe
	# CXXLINK, just after $(LIBTOOL), so that libtool doesn't have to
	# attempt to infer which configuration to use.
	#
	# The second tag argument, `--tag disable-shared` means that libtool
	# only compiles each source once, for static objects. In actuality,
	# glibcxx_lt_pic_flag and glibcxx_compiler_shared_flag are added to
	# the libtool command that is used create the object, which is
	# suitable for shared libraries. The `--tag disable-shared` must be
	# placed after --tag CXX lest things CXX undo the affect of
	# disable-shared.

	# 2) Need to explicitly set LTCXXCOMPILE so that EXTRA_CXX_FLAGS is
	# last. (That way, things like -O2 passed down from the toplevel can
	# be overridden by --enable-debug and --enable-cxx-flags.)
	LTCXXCOMPILE = \
	$(LIBTOOL) --tag CXX \
	$(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
	--mode=compile $(CXX) $(INCLUDES) \
	$(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) $(EXTRA_CXX_FLAGS)

	LTLDFLAGS = $(shell $(SHELL) $(top_srcdir)/../libtool-ldflags $(LDFLAGS))

	# 3) We'd have a problem when building the shared libstdc++ object if
	# the rules automake generates would be used. We cannot allow g++ to
	# be used since this would add -lstdc++ to the link line which of
	# course is problematic at this point. So, we get the top-level
	# directory to configure libstdc++-v3 to use gcc as the C++
	# compilation driver.
	CXXLINK = \
	$(LIBTOOL) --tag CXX \
	$(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
	--mode=link $(CXX) \
	$(VTV_CXXLINKFLAGS) \
	$(OPT_LDFLAGS) $(SECTION_LDFLAGS) $(AM_CXXFLAGS) $(LTLDFLAGS) -o $@

	# Symbol versioning for shared libraries.
	if ENABLE_SYMVERS
	libstdc++-symbols.ver: ${glibcxx_srcdir}/$(SYMVER_FILE) \
	$(port_specific_symbol_files)
	cp ${glibcxx_srcdir}/$(SYMVER_FILE) $@.tmp
	chmod +w $@.tmp
	if test "x$(port_specific_symbol_files)" != x; then \
	if grep '^# Appended to version file.' \
	$(port_specific_symbol_files) > /dev/null 2>&1; then \
	cat $(port_specific_symbol_files) >> $@.tmp; \
	else \
	sed -n '1,/DO NOT DELETE/p' $@.tmp > tmp.top; \
	sed -n '/DO NOT DELETE/,$$p' $@.tmp > tmp.bottom; \
	cat tmp.top $(port_specific_symbol_files) tmp.bottom > $@.tmp; \
	rm tmp.top tmp.bottom; \
	fi; \
	fi
	$(EGREP) -v '^[ ]*#(#\| \|$$)' $@.tmp \| \
	$(CC) -E -P -include $(CONFIG_HEADER) - > $@ \|\| (rm -f $@ ; exit 1)
	rm -f $@.tmp

	CLEANFILES = libstdc++-symbols.ver

	if ENABLE_SYMVERS_GNU
	version_arg = -Wl,--version-script=libstdc++-symbols.ver
	version_dep = libstdc++-symbols.ver
	endif
	if ENABLE_SYMVERS_GNU_NAMESPACE
	version_arg = -Wl,--version-script=libstdc++-symbols.ver
	version_dep = libstdc++-symbols.ver
	endif
	if ENABLE_SYMVERS_SUN
	version_arg = -Wl,-M,libstdc++-symbols.ver-sun
	version_dep = libstdc++-symbols.ver-sun
	libstdc++-symbols.ver-sun : libstdc++-symbols.ver \
	$(toplevel_srcdir)/contrib/make_sunver.pl \
	$(libstdc___la_OBJECTS) $(libstdc___la_LIBADD)
	CXXFILT="$(CXXFILT)"; export CXXFILT; \
	perl $(toplevel_srcdir)/contrib/make_sunver.pl \
	libstdc++-symbols.ver \
	$(libstdc___la_OBJECTS:%.lo=.libs/%.o) \
	`echo $(libstdc___la_LIBADD) \| \
	sed 's,/\([^/.]*\)\.la,/.libs/\1.a,g'` \
	> $@ \|\| (rm -f $@ ; exit 1)
	endif
	if ENABLE_SYMVERS_DARWIN
	version_arg = -Wl,-exported_symbols_list,libstdc++-symbols.explist
	version_dep = libstdc++-symbols.explist
	libstdc++-symbols.explist : libstdc++-symbols.ver \
	${glibcxx_srcdir}/scripts/make_exports.pl \
	$(libstdc___la_OBJECTS) $(libstdc___la_LIBADD)
	perl ${glibcxx_srcdir}/scripts/make_exports.pl \
	libstdc++-symbols.ver \
	$(libstdc___la_OBJECTS:%.lo=.libs/%.o) \
	`echo $(libstdc___la_LIBADD) \| \
	sed 's,/\([^/.]*\)\.la,/.libs/\1.a,g'` \
	> $@ \|\| (rm -f $@ ; exit 1)
	endif

	CLEANFILES += $(version_dep)
	else
	version_arg =
	version_dep =
	endif


	# Control additional build primary rules.
	all-once: libstdc++convenience.la $(STAMP_DEBUG)
	install-data-once: $(STAMP_INSTALL_DEBUG)

	all-local: all-once
	install-data-local: install-data-once
	clean-local:
	rm -rf libstdc++convenience.la stamp* $(CLEAN_DEBUG)

	# Make a non-installed convenience library, so that --disable-static
	# may work.
	libstdc++convenience.la: $(toolexeclib_LTLIBRARIES)
	$(CXXLINK) $(libstdc___la_LIBADD) $(LIBS); \
	if test ! -f .libs/libstdc++.a; then \
	cp .libs/libstdc++convenience.a .libs/libstdc++.a; \
	fi; \
	echo `date` > stamp-libstdc++convenience;

	# Added rules.
	# 1 debug library
	# 2 supra-convenience library
	if GLIBCXX_BUILD_DEBUG
	STAMP_DEBUG = build-debug
	STAMP_INSTALL_DEBUG = install-debug
	CLEAN_DEBUG = debug
	else
	STAMP_DEBUG =
	STAMP_INSTALL_DEBUG =
	CLEAN_DEBUG =
	endif

	# Build a debug variant.
	# Take care to fix all possibly-relative paths.
	debugdir = ${glibcxx_builddir}/src/debug
	stamp-debug:
	if test ! -d ${debugdir} \|\| test ! -f ${debugdir}/Makefile ; then \
	mkdir -p ${debugdir}; \
	for d in $(SUBDIRS); do mkdir -p ${debugdir}/$$d; done; \
	(cd ${debugdir}; \
	sed -e 's/top_builddir = \.\./top_builddir = ..\/../' \
	-e 's/top_build_prefix = \.\./top_build_prefix = ..\/../' \
	-e 's/srcdir = \.\./srcdir = ..\/../' \
	-e 's/VPATH = \.\./VPATH = ..\/../' \
	-e 's/glibcxx_basedir = \.\./glibcxx_basedir = ..\/../' \
	-e 's/MKDIR_P = \.\./MKDIR_P = ..\/../' \
	< ../Makefile > Makefile ; \
	for d in . $(SUBDIRS); do \
	sed -e 's/top_builddir = \.\./top_builddir = ..\/../' \
	-e 's/top_build_prefix = \.\./top_build_prefix = ..\/../' \
	-e 's/srcdir = \.\./srcdir = ..\/../' \
	-e 's/VPATH = \.\./VPATH = ..\/../' \
	-e 's/glibcxx_basedir = \.\./glibcxx_basedir = ..\/../' \
	-e 's/MKDIR_P = \.\./MKDIR_P = ..\/../' \
	< ../$$d/Makefile > $$d/Makefile ; \
	done) ; \
	fi; \
	echo `date` > stamp-debug;

	build-debug: stamp-debug
	(cd ${debugdir}; \
	mv Makefile Makefile.tmp; \
	sed -e 's,all-local: all-once,all-local:,' \
	-e 's,install-data-local: install-data-once,install-data-local:,' \
	-e '/vpath/!s,src/c,src/debug/c,' \
	< Makefile.tmp > Makefile ; \
	rm -f Makefile.tmp ; \
	$(MAKE) CXXFLAGS='$(DEBUG_FLAGS)' \
	toolexeclibdir=$(glibcxx_toolexeclibdir)/debug all) ;

	# Install debug library.
	install-debug: build-debug
	(cd ${debugdir} && $(MAKE) CXXFLAGS='$(DEBUG_FLAGS)' \
	toolexeclibdir=$(glibcxx_toolexeclibdir)/debug install) ;