[thirdparty/gcc.git] / libstdc++-v3 / src / Makefile.am

## Makefile for the C++11 sources of the GNU C++ Standard library.
##
## Copyright (C) 1997-2024 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 GLIBCXX_HOSTED
if ENABLE_FILESYSTEM_TS
filesystem_dir = filesystem
else
filesystem_dir =
endif

if ENABLE_BACKTRACE
backtrace_dir = libbacktrace
else
backtrace_dir =
endif

experimental_dir = experimental
else
filesystem_dir =
backtrace_dir =
experimental_dir =
endif

## Keep this list sync'd with acinclude.m4:GLIBCXX_CONFIGURE.
SUBDIRS = c++98 c++11 c++17 c++20 c++23 \
	$(filesystem_dir) $(backtrace_dir) $(experimental_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
vpath % $(top_srcdir)/src/c++17
vpath % $(top_srcdir)/src/c++20
vpath % $(top_srcdir)/src/c++23
if ENABLE_FILESYSTEM_TS
vpath % $(top_srcdir)/src/filesystem
endif
if ENABLE_BACKTRACE
vpath % $(top_srcdir)/src/libbacktrace
endif
vpath % $(top_srcdir)/src/experimental

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

if GLIBCXX_LDBL_ALT128_COMPAT
if ENABLE_DUAL_ABI
ldbl_alt128_compat_cxx11_sources = \
	compatibility-ldbl-alt128-cxx11.cc
else
ldbl_alt128_compat_cxx11_sources =
endif
ldbl_alt128_compat_sources = \
	compatibility-ldbl-alt128.cc \
	${ldbl_alt128_compat_cxx11_sources}
else
ldbl_alt128_compat_sources =
endif

if ENABLE_SYMVERS_GNU_NAMESPACE
cxx0x_compat_sources =
else
cxx0x_compat_sources = \
	compatibility-atomic-c++0x.cc \
	compatibility-c++0x.cc \
	compatibility-chrono.cc \
	compatibility-condvar.cc \
	compatibility-thread-c++0x.cc
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 = \
	${cxx0x_compat_sources} \
	${ldbl_alt128_compat_sources}

if GLIBCXX_HOSTED
libstdc___la_SOURCES = $(cxx98_sources) $(cxx11_sources)
else
# When freestanding, there's currently no compatibility to preserve.  Should
# that change, any compatibility sources can be added here.
libstdc___la_SOURCES =
endif

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 \
	$(top_builddir)/src/c++17/libc++17convenience.la \
	$(top_builddir)/src/c++20/libc++20convenience.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 \
	$(top_builddir)/src/c++17/libc++17convenience.la \
	$(top_builddir)/src/c++20/libc++20convenience.la

if ENABLE_DARWIN_AT_RPATH
libstdc___darwin_rpath = -Wc,-nodefaultrpaths
libstdc___darwin_rpath += -Wl,-rpath,@loader_path
endif

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

libstdc___la_LINK = $(CXXLINK) $(libstdc___la_LDFLAGS) $(lt_host_flags)

# Use special rules for compatibility-ldbl.cc compilation, as we need to
# pass -mlong-double-64, and not use -mabi={ieee,ibm}longdouble.
if GLIBCXX_LDBL_COMPAT
if GLIBCXX_LDBL_ALT128_COMPAT
LTCXXCOMPILE64 = \
  $(filter-out -mabi=ieeelongdouble -mabi=ibmlongdouble,$(LTCXXCOMPILE))
CXXCOMPILE64 = \
  $(filter-out -mabi=ieeelongdouble -mabi=ibmlongdouble,$(CXXCOMPILE))
else
LTCXXCOMPILE64 = $(LTCXXCOMPILE)
CXXCOMPILE64 = $(CXXCOMPILE)
endif
compatibility-ldbl.lo: compatibility-ldbl.cc
	$(LTCXXCOMPILE64) $(LONG_DOUBLE_COMPAT_FLAGS) -c $<
compatibility-ldbl.o: compatibility-ldbl.cc
	$(CXXCOMPILE64) $(LONG_DOUBLE_COMPAT_FLAGS) -c $<
endif

# Use special rules for compatibility-ldbl-alt128.cc compilation, as we need to
# ensure it is compiled with the correct flag.
if GLIBCXX_LDBL_ALT128_COMPAT
compatibility-ldbl-alt128.lo: compatibility-ldbl-alt128.cc
	$(LTCXXCOMPILE) $(LONG_DOUBLE_ALT128_COMPAT_FLAGS) -std=gnu++11 -c $<
compatibility-ldbl-alt128.o: compatibility-ldbl-alt128.cc
	$(CXXCOMPILE) $(LONG_DOUBLE_ALT128_COMPAT_FLAGS) -std=gnu++11 -c $<
if ENABLE_DUAL_ABI
compatibility-ldbl-alt128-cxx11.lo: compatibility-ldbl-alt128-cxx11.cc
	$(LTCXXCOMPILE) $(LONG_DOUBLE_ALT128_COMPAT_FLAGS) -std=gnu++11 -c $<
compatibility-ldbl-alt128-cxx11.o: compatibility-ldbl-alt128-cxx11.cc
	$(CXXCOMPILE) $(LONG_DOUBLE_ALT128_COMPAT_FLAGS) -std=gnu++11 -c $<
endif
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, src/c++17,
# src/c++20, 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_PRE = \
	-std=gnu++98 \
	$(glibcxx_compiler_pic_flag) \
	$(XTEMPLATE_FLAGS) $(VTV_CXXFLAGS) \
	$(WARN_CXXFLAGS) $(OPTIMIZE_CXXFLAGS) $(CONFIG_CXXFLAGS)

AM_CXXFLAGS = $(filter-out -fvtable-verify=std,$(AM_CXXFLAGS_PRE))

# 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) $(LTLIBICONV) \
	-o $@

# Symbol versioning for shared libraries.
# See configure.host and configure.ac for port_specific_symbol_files.
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 -e 's,/\([^/.]*\)\.la,/.libs/\1.a,g' -e 's/ -l[^ ]* / /'` \
	 > $@ || (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; \
	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.
debug/%/Makefile: %/Makefile
	$(MKDIR_P) $(dir $@)
	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 = ..\/../' \
	  < $< > $@

stamp-debug: $(foreach dir,. $(SUBDIRS),debug/$(dir)/Makefile)
	mv debug/Makefile debug/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,' \
	  < debug/Makefile.tmp > debug/Makefile
	rm -f debug/Makefile.tmp
	date > stamp-debug;

.SECONDARY: $(foreach dir,. $(SUBDIRS),debug/$(dir)/Makefile)

if ENABLE_BACKTRACE
backtrace_supported_h = $(backtrace_dir)/backtrace-supported.h
debug_backtrace_supported_h = debug/$(backtrace_supported_h)
$(debug_backtrace_supported_h): $(backtrace_supported_h) stamp-debug
	cp $< $@
else
debug_backtrace_supported_h =
endif

build-debug: stamp-debug $(debug_backtrace_supported_h)
	  $(MAKE) -C debug CXXFLAGS='$(DEBUG_FLAGS)' \
	    toolexeclibdir=$(glibcxx_toolexeclibdir)/debug all

# Install debug library.
install-debug: build-debug
	$(MAKE) -C debug CXXFLAGS='$(DEBUG_FLAGS)' \
	  toolexeclibdir=$(glibcxx_toolexeclibdir)/debug install
Commit	Line	Data
8bae34da	1	## Makefile for the C++11 sources of the GNU C++ Standard library.
b2dad0e3	2	##
a945c346	3	## Copyright (C) 1997-2024 Free Software Foundation, Inc.
b2dad0e3 BK	4	##
	5	## This file is part of the libstdc++ version 3 distribution.
	6	## Process this file with automake to produce Makefile.in.
	7
	8	## This file is part of the GNU ISO C++ Library. This library is free
	9	## software; you can redistribute it and/or modify it under the
	10	## terms of the GNU General Public License as published by the
748086b7	11	## Free Software Foundation; either version 3, or (at your option)
b2dad0e3 BK	12	## any later version.
	13
	14	## This library is distributed in the hope that it will be useful,
	15	## but WITHOUT ANY WARRANTY; without even the implied warranty of
	16	## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	17	## GNU General Public License for more details.
	18
	19	## You should have received a copy of the GNU General Public License along
748086b7 JJ	20	## with this library; see the file COPYING3. If not see
748086b7 JJ	21	## <http://www.gnu.org/licenses/>.
b2dad0e3	22
0df3f383	23	include $(top_srcdir)/fragment.am
ae9dc931	24
fb8e29a5	25	if GLIBCXX_HOSTED
0ca7ba9a JW	26	if ENABLE_FILESYSTEM_TS
	27	filesystem_dir = filesystem
	28	else
	29	filesystem_dir =
	30	endif
	31
3acb929c JW	32	if ENABLE_BACKTRACE
	33	backtrace_dir = libbacktrace
	34	else
	35	backtrace_dir =
	36	endif
	37
fb8e29a5 JW	38	experimental_dir = experimental
	39	else
	40	filesystem_dir =
	41	backtrace_dir =
	42	experimental_dir =
	43	endif
	44
a9d49e96	45	## Keep this list sync'd with acinclude.m4:GLIBCXX_CONFIGURE.
b96b5545 JW	46	SUBDIRS = c++98 c++11 c++17 c++20 c++23 \
b96b5545 JW	47	$(filesystem_dir) $(backtrace_dir) $(experimental_dir)
8bae34da	48
714e9334	49	# Cross compiler support.
f7f049fa CT	50	if VTV_CYGMIN
	51	toolexeclib_LTLIBRARIES = libvtv.la libstdc++.la
	52	else
b2dad0e3	53	toolexeclib_LTLIBRARIES = libstdc++.la
f7f049fa CT	54	endif
	55
	56	if VTV_CYGMIN
	57	vtv_stubs.cc:
	58	rm -f $@
	59	$(LN_S) $(toplevel_srcdir)/libstdc++-v3/libsupc++/vtv_stubs.cc $@
	60
	61	libvtv_la_SOURCES = vtv_stubs.cc
	62	libvtv_la_LDFLAGS = $(lt_host_flags)
	63
	64	libvtv_la_AM_CXXFLAGS = \
	65	$(glibcxx_compiler_pic_flag) \
	66	$(XTEMPLATE_FLAGS) \
	67	-Wl,-u_vtable_map_vars_start,-u_vtable_map_vars_end \
	68	$(WARN_CXXFLAGS) $(OPTIMIZE_CXXFLAGS) $(CONFIG_CXXFLAGS)
	69
	70	libvtv_la_LINK = $(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) \
	71	$(LIBTOOLFLAGS) --mode=link $(CXXLD) $(libvtv_la_AM_CXXFLAGS) \
	72	$(CXXFLAGS) $(libvtv_la_LDFLAGS) $(LDFLAGS) -o $@
	73	endif
b2dad0e3	74
0b284728 BK	75	vpath % $(top_srcdir)/src/c++98
0b284728 BK	76	vpath % $(top_srcdir)/src/c++11
dfaa3c47	77	vpath % $(top_srcdir)/src/c++17
a0e4d7b4	78	vpath % $(top_srcdir)/src/c++20
b96b5545	79	vpath % $(top_srcdir)/src/c++23
0ca7ba9a JW	80	if ENABLE_FILESYSTEM_TS
	81	vpath % $(top_srcdir)/src/filesystem
	82	endif
3acb929c JW	83	if ENABLE_BACKTRACE
	84	vpath % $(top_srcdir)/src/libbacktrace
	85	endif
ea63396f	86	vpath % $(top_srcdir)/src/experimental
8bae34da	87
0b284728 BK	88	if GLIBCXX_LDBL_COMPAT
	89	ldbl_compat_sources = compatibility-ldbl.cc
	90	else
	91	ldbl_compat_sources =
	92	endif
	93
7c1e7eed JW	94	if GLIBCXX_LDBL_ALT128_COMPAT
	95	if ENABLE_DUAL_ABI
	96	ldbl_alt128_compat_cxx11_sources = \
	97	compatibility-ldbl-alt128-cxx11.cc
	98	else
	99	ldbl_alt128_compat_cxx11_sources =
	100	endif
	101	ldbl_alt128_compat_sources = \
	102	compatibility-ldbl-alt128.cc \
	103	${ldbl_alt128_compat_cxx11_sources}
	104	else
	105	ldbl_alt128_compat_sources =
	106	endif
	107
357d6fcd JW	108	if ENABLE_SYMVERS_GNU_NAMESPACE
	109	cxx0x_compat_sources =
	110	else
	111	cxx0x_compat_sources = \
	112	compatibility-atomic-c++0x.cc \
	113	compatibility-c++0x.cc \
	114	compatibility-chrono.cc \
	115	compatibility-condvar.cc \
	116	compatibility-thread-c++0x.cc
	117	endif
495de4f4	118
0b284728 BK	119	parallel_compat_sources = \
0b284728 BK	120	compatibility-parallel_list.cc compatibility-parallel_list-2.cc
495de4f4	121
0b284728 BK	122
	123	cxx98_sources = \
	124	compatibility.cc \
	125	compatibility-debug_list.cc \
	126	compatibility-debug_list-2.cc \
f92ab29f	127	${ldbl_compat_sources}
0b284728 BK	128
0b284728 BK	129	cxx11_sources = \
357d6fcd	130	${cxx0x_compat_sources} \
7c1e7eed	131	${ldbl_alt128_compat_sources}
0b284728	132
abdea447	133	if GLIBCXX_HOSTED
0b284728	134	libstdc___la_SOURCES = $(cxx98_sources) $(cxx11_sources)
abdea447 AA	135	else
	136	# When freestanding, there's currently no compatibility to preserve. Should
	137	# that change, any compatibility sources can be added here.
	138	libstdc___la_SOURCES =
	139	endif
8bae34da BK	140
	141	libstdc___la_LIBADD = \
	142	$(GLIBCXX_LIBS) \
	143	$(top_builddir)/libsupc++/libsupc++convenience.la \
	144	$(top_builddir)/src/c++98/libc++98convenience.la \
dfaa3c47	145	$(top_builddir)/src/c++11/libc++11convenience.la \
a0e4d7b4 TR	146	$(top_builddir)/src/c++17/libc++17convenience.la \
a0e4d7b4 TR	147	$(top_builddir)/src/c++20/libc++20convenience.la
8bae34da BK	148
	149	libstdc___la_DEPENDENCIES = \
	150	${version_dep} \
	151	$(top_builddir)/libsupc++/libsupc++convenience.la \
	152	$(top_builddir)/src/c++98/libc++98convenience.la \
dfaa3c47	153	$(top_builddir)/src/c++11/libc++11convenience.la \
a0e4d7b4 TR	154	$(top_builddir)/src/c++17/libc++17convenience.la \
a0e4d7b4 TR	155	$(top_builddir)/src/c++20/libc++20convenience.la
8bae34da	156
6a6d3817 IS	157	if ENABLE_DARWIN_AT_RPATH
	158	libstdc___darwin_rpath = -Wc,-nodefaultrpaths
	159	libstdc___darwin_rpath += -Wl,-rpath,@loader_path
	160	endif
	161
8bae34da	162	libstdc___la_LDFLAGS = \
6a6d3817	163	-version-info $(libtool_VERSION) ${version_arg} -lm $(libstdc___darwin_rpath)
8bae34da	164
08fca4df	165	libstdc___la_LINK = $(CXXLINK) $(libstdc___la_LDFLAGS) $(lt_host_flags)
8bae34da	166
0b284728	167	# Use special rules for compatibility-ldbl.cc compilation, as we need to
7c1e7eed	168	# pass -mlong-double-64, and not use -mabi={ieee,ibm}longdouble.
0b284728	169	if GLIBCXX_LDBL_COMPAT
7c1e7eed JW	170	if GLIBCXX_LDBL_ALT128_COMPAT
	171	LTCXXCOMPILE64 = \
	172	$(filter-out -mabi=ieeelongdouble -mabi=ibmlongdouble,$(LTCXXCOMPILE))
	173	CXXCOMPILE64 = \
	174	$(filter-out -mabi=ieeelongdouble -mabi=ibmlongdouble,$(CXXCOMPILE))
	175	else
	176	LTCXXCOMPILE64 = $(LTCXXCOMPILE)
	177	CXXCOMPILE64 = $(CXXCOMPILE)
	178	endif
0b284728	179	compatibility-ldbl.lo: compatibility-ldbl.cc
7c1e7eed	180	$(LTCXXCOMPILE64) $(LONG_DOUBLE_COMPAT_FLAGS) -c $<
0b284728	181	compatibility-ldbl.o: compatibility-ldbl.cc
7c1e7eed JW	182	$(CXXCOMPILE64) $(LONG_DOUBLE_COMPAT_FLAGS) -c $<
	183	endif
	184
	185	# Use special rules for compatibility-ldbl-alt128.cc compilation, as we need to
	186	# ensure it is compiled with the correct flag.
	187	if GLIBCXX_LDBL_ALT128_COMPAT
	188	compatibility-ldbl-alt128.lo: compatibility-ldbl-alt128.cc
	189	$(LTCXXCOMPILE) $(LONG_DOUBLE_ALT128_COMPAT_FLAGS) -std=gnu++11 -c $<
	190	compatibility-ldbl-alt128.o: compatibility-ldbl-alt128.cc
	191	$(CXXCOMPILE) $(LONG_DOUBLE_ALT128_COMPAT_FLAGS) -std=gnu++11 -c $<
	192	if ENABLE_DUAL_ABI
	193	compatibility-ldbl-alt128-cxx11.lo: compatibility-ldbl-alt128-cxx11.cc
	194	$(LTCXXCOMPILE) $(LONG_DOUBLE_ALT128_COMPAT_FLAGS) -std=gnu++11 -c $<
	195	compatibility-ldbl-alt128-cxx11.o: compatibility-ldbl-alt128-cxx11.cc
	196	$(CXXCOMPILE) $(LONG_DOUBLE_ALT128_COMPAT_FLAGS) -std=gnu++11 -c $<
	197	endif
0b284728 BK	198	endif
	199
	200	# Use special rules for C++11 files/objects.
	201	compatibility-c++0x.lo: compatibility-c++0x.cc
	202	$(LTCXXCOMPILE) -std=gnu++11 -c $<
	203	compatibility-c++0x.o: compatibility-c++0x.cc
	204	$(CXXCOMPILE) -std=gnu++11 -c $<
	205
	206	compatibility-atomic-c++0x.lo: compatibility-atomic-c++0x.cc
	207	$(LTCXXCOMPILE) -std=gnu++11 -c $<
	208	compatibility-atomic-c++0x.o: compatibility-atomic-c++0x.cc
	209	$(CXXCOMPILE) -std=gnu++11 -c $<
	210
	211	compatibility-thread-c++0x.lo: compatibility-thread-c++0x.cc
	212	$(LTCXXCOMPILE) -std=gnu++11 -c $<
	213	compatibility-thread-c++0x.o: compatibility-thread-c++0x.cc
	214	$(CXXCOMPILE) -std=gnu++11 -c $<
	215
2e8a9734 JJ	216	compatibility-chrono.lo: compatibility-chrono.cc
	217	$(LTCXXCOMPILE) -std=gnu++11 -c $<
	218	compatibility-chrono.o: compatibility-chrono.cc
	219	$(CXXCOMPILE) -std=gnu++11 -c $<
	220
3429db0f JW	221	compatibility-condvar.lo: compatibility-condvar.cc
	222	$(LTCXXCOMPILE) -std=gnu++11 -c $<
	223	compatibility-condvar.o: compatibility-condvar.cc
	224	$(CXXCOMPILE) -std=gnu++11 -c $<
	225
ac6d1200	226	# A note on compatibility and static libraries.
f92ab29f	227	#
ac6d1200 BK	228	# static lib == linked against only this version, should not need compat
	229	# shared lib == linked against potentially all compat versions
	230	#
	231	# Thus, the shared libs have more compat symbols, which can be found
	232	# segregated in the sources with -D_GLIBCXX_SHARED.
	233	#
dfaa3c47	234	# In the sub-directories of libsupc++, src/c++98, src/c++11, src/c++17,
a0e4d7b4 TR	235	# src/c++20, only -prefer-pic objects are generated for the convenience
a0e4d7b4 TR	236	# libraries.
f92ab29f	237	#
ac6d1200 BK	238	# In the main src directory, make shared and static objects just for
	239	# the compat libraries. Shared objects are compiled with -prefer-pic
	240	# -D_GLIBCXX_SHARED and in the .libs sub-directory, static objects are
	241	# compiled with -prefer-pic (ie, -fPIC but not -D_GLIBCXX_SHARED) and
	242	# the main src directory.
	243	#
	244	# Why are objects destined for libstdc++.a compiled with -fPIC? First,
	245	# because -fPIC is not harmful to use for objects destined for static
	246	# libraries. In addition, using -fPIC will allow the use of static
	247	# libstdc++.a in the creation of other C++ shared libraries.
	248
	249	# AM_CXXFLAGS needs to be in each sub-directory so that it can be
8bae34da BK	250	# modified in a per-library or per-sub-library way. Need to manually
	251	# set this option because CONFIG_CXXFLAGS has to be after
	252	# OPTIMIZE_CXXFLAGS on the compile line so that -O2 can be overridden
	253	# as the occasion calls for it.
c2be8205	254	AM_CXXFLAGS_PRE = \
6cd9cb89	255	-std=gnu++98 \
ac6d1200	256	$(glibcxx_compiler_pic_flag) \
2077db1b	257	$(XTEMPLATE_FLAGS) $(VTV_CXXFLAGS) \
0b284728	258	$(WARN_CXXFLAGS) $(OPTIMIZE_CXXFLAGS) $(CONFIG_CXXFLAGS)
8bae34da	259
c2be8205 CT	260	AM_CXXFLAGS = $(filter-out -fvtable-verify=std,$(AM_CXXFLAGS_PRE))
c2be8205 CT	261
0b284728	262	# Libtool notes
8bae34da	263
ac6d1200	264	# 1) In general, libtool expects an argument such as `--tag=CXX' when
8bae34da BK	265	# using the C++ compiler, because that will enable the settings
	266	# detected when C++ support was being configured. However, when no
	267	# such flag is given in the command line, libtool attempts to figure
	268	# it out by matching the compiler name in each configuration section
	269	# against a prefix of the command line. The problem is that, if the
	270	# compiler name and its initial flags stored in the libtool
	271	# configuration file don't match those in the command line, libtool
	272	# can't decide which configuration to use, and it gives up. The
	273	# correct solution is to add `--tag CXX' to LTCXXCOMPILE and maybe
	274	# CXXLINK, just after $(LIBTOOL), so that libtool doesn't have to
ac6d1200	275	# attempt to infer which configuration to use.
f92ab29f	276	#
ac6d1200 BK	277	# The second tag argument, `--tag disable-shared` means that libtool
	278	# only compiles each source once, for static objects. In actuality,
	279	# glibcxx_lt_pic_flag and glibcxx_compiler_shared_flag are added to
	280	# the libtool command that is used create the object, which is
	281	# suitable for shared libraries. The `--tag disable-shared` must be
	282	# placed after --tag CXX lest things CXX undo the affect of
	283	# disable-shared.
	284
b1d6986c	285	# 2) Need to explicitly set LTCXXCOMPILE so that EXTRA_CXX_FLAGS is
ac6d1200	286	# last. (That way, things like -O2 passed down from the toplevel can
b1d6986c	287	# be overridden by --enable-debug and --enable-cxx-flags.)
0b284728 BK	288	LTCXXCOMPILE = \
	289	$(LIBTOOL) --tag CXX \
	290	$(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
	291	--mode=compile $(CXX) $(INCLUDES) \
b1d6986c	292	$(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) $(EXTRA_CXX_FLAGS)
8bae34da BK	293
	294	LTLDFLAGS = $(shell $(SHELL) $(top_srcdir)/../libtool-ldflags $(LDFLAGS))
	295
	296	# 3) We'd have a problem when building the shared libstdc++ object if
	297	# the rules automake generates would be used. We cannot allow g++ to
	298	# be used since this would add -lstdc++ to the link line which of
	299	# course is problematic at this point. So, we get the top-level
	300	# directory to configure libstdc++-v3 to use gcc as the C++
	301	# compilation driver.
0b284728 BK	302	CXXLINK = \
	303	$(LIBTOOL) --tag CXX \
	304	$(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
	305	--mode=link $(CXX) \
2077db1b	306	$(VTV_CXXLINKFLAGS) \
c644b7df JW	307	$(OPT_LDFLAGS) $(SECTION_LDFLAGS) $(AM_CXXFLAGS) \
	308	$(LTLDFLAGS) $(LTLIBICONV) \
	309	-o $@
0b284728	310
6aa43d99	311	# Symbol versioning for shared libraries.
f50f55b8	312	# See configure.host and configure.ac for port_specific_symbol_files.
fb5c309d BK	313	if ENABLE_SYMVERS
fb5c309d BK	314	libstdc++-symbols.ver: ${glibcxx_srcdir}/$(SYMVER_FILE) \
f9314d01	315	$(port_specific_symbol_files)
cc2de92d RO	316	cp ${glibcxx_srcdir}/$(SYMVER_FILE) $@.tmp
cc2de92d RO	317	chmod +w $@.tmp
0df3f383	318	if test "x$(port_specific_symbol_files)" != x; then \
6defecc2	319	if grep '^# Appended to version file.' \
49a52ebc	320	$(port_specific_symbol_files) > /dev/null 2>&1; then \
cc2de92d	321	cat $(port_specific_symbol_files) >> $@.tmp; \
6defecc2	322	else \
cc2de92d RO	323	sed -n '1,/DO NOT DELETE/p' $@.tmp > tmp.top; \
	324	sed -n '/DO NOT DELETE/,$$p' $@.tmp > tmp.bottom; \
	325	cat tmp.top $(port_specific_symbol_files) tmp.bottom > $@.tmp; \
6defecc2 JJ	326	rm tmp.top tmp.bottom; \
6defecc2 JJ	327	fi; \
e6b7a69a	328	fi
9396206b	329	$(EGREP) -v '^[ ]*#(#\| \|$$)' $@.tmp \| \
d392c399	330	$(CC) -E -P -include $(CONFIG_HEADER) - > $@ \|\| (rm -f $@ ; exit 1)
cc2de92d	331	rm -f $@.tmp
f9314d01	332
c18dc5cc RO	333	CLEANFILES = libstdc++-symbols.ver
c18dc5cc RO	334
f9314d01	335	if ENABLE_SYMVERS_GNU
fb5c309d BK	336	version_arg = -Wl,--version-script=libstdc++-symbols.ver
	337	version_dep = libstdc++-symbols.ver
	338	endif
3cbc7af0 BK	339	if ENABLE_SYMVERS_GNU_NAMESPACE
	340	version_arg = -Wl,--version-script=libstdc++-symbols.ver
	341	version_dep = libstdc++-symbols.ver
	342	endif
c18dc5cc RO	343	if ENABLE_SYMVERS_SUN
	344	version_arg = -Wl,-M,libstdc++-symbols.ver-sun
	345	version_dep = libstdc++-symbols.ver-sun
	346	libstdc++-symbols.ver-sun : libstdc++-symbols.ver \
	347	$(toplevel_srcdir)/contrib/make_sunver.pl \
	348	$(libstdc___la_OBJECTS) $(libstdc___la_LIBADD)
	349	CXXFILT="$(CXXFILT)"; export CXXFILT; \
	350	perl $(toplevel_srcdir)/contrib/make_sunver.pl \
	351	libstdc++-symbols.ver \
	352	$(libstdc___la_OBJECTS:%.lo=.libs/%.o) \
b2099e9f JW	353	`echo ' $(libstdc___la_LIBADD) ' \| \
b2099e9f JW	354	sed -e 's,/\([^/.]\)\.la,/.libs/\1.a,g' -e 's/ -l[^ ] / /'` \
c18dc5cc RO	355	> $@ \|\| (rm -f $@ ; exit 1)
c18dc5cc RO	356	endif
fb5c309d BK	357	if ENABLE_SYMVERS_DARWIN
	358	version_arg = -Wl,-exported_symbols_list,libstdc++-symbols.explist
	359	version_dep = libstdc++-symbols.explist
	360	libstdc++-symbols.explist : libstdc++-symbols.ver \
a9fdd472 GK	361	${glibcxx_srcdir}/scripts/make_exports.pl \
	362	$(libstdc___la_OBJECTS) $(libstdc___la_LIBADD)
	363	perl ${glibcxx_srcdir}/scripts/make_exports.pl \
fb5c309d	364	libstdc++-symbols.ver \
a9fdd472 GK	365	$(libstdc___la_OBJECTS:%.lo=.libs/%.o) \
	366	`echo $(libstdc___la_LIBADD) \| \
	367	sed 's,/\([^/.]*\)\.la,/.libs/\1.a,g'` \
	368	> $@ \|\| (rm -f $@ ; exit 1)
fb5c309d	369	endif
c18dc5cc RO	370
c18dc5cc RO	371	CLEANFILES += $(version_dep)
a9fdd472	372	else
6aa43d99	373	version_arg =
7b865c36	374	version_dep =
6aa43d99 BK	375	endif
6aa43d99 BK	376
56378d0e BK	377
56378d0e BK	378	# Control additional build primary rules.
56378d0e BK	379	all-once: libstdc++convenience.la $(STAMP_DEBUG)
	380	install-data-once: $(STAMP_INSTALL_DEBUG)
	381
	382	all-local: all-once
	383	install-data-local: install-data-once
	384	clean-local:
	385	rm -rf libstdc++convenience.la stamp* $(CLEAN_DEBUG)
6aa43d99	386
8bae34da BK	387	# Make a non-installed convenience library, so that --disable-static
	388	# may work.
	389	libstdc++convenience.la: $(toolexeclib_LTLIBRARIES)
	390	$(CXXLINK) $(libstdc___la_LIBADD) $(LIBS); \
	391	if test ! -f .libs/libstdc++.a; then \
a7a790e9 BK	392	cp .libs/libstdc++convenience.a .libs/libstdc++.a; \
a7a790e9 BK	393	fi; \
ba755148	394	date > stamp-libstdc++convenience;
8bae34da	395
56378d0e BK	396	# Added rules.
	397	# 1 debug library
	398	# 2 supra-convenience library
	399	if GLIBCXX_BUILD_DEBUG
	400	STAMP_DEBUG = build-debug
	401	STAMP_INSTALL_DEBUG = install-debug
	402	CLEAN_DEBUG = debug
	403	else
	404	STAMP_DEBUG =
	405	STAMP_INSTALL_DEBUG =
	406	CLEAN_DEBUG =
	407	endif
6aa43d99	408
56378d0e	409	# Build a debug variant.
ba755148	410
8d03ad01	411	# Take care to fix all possibly-relative paths.
ba755148 JW	412	debug/%/Makefile: %/Makefile
	413	$(MKDIR_P) $(dir $@)
	414	sed -e 's/top_builddir = \.\./top_builddir = ..\/../' \
	415	-e 's/top_build_prefix = \.\./top_build_prefix = ..\/../' \
	416	-e 's/srcdir = \.\./srcdir = ..\/../' \
	417	-e 's/VPATH = \.\./VPATH = ..\/../' \
	418	-e 's/glibcxx_basedir = \.\./glibcxx_basedir = ..\/../' \
	419	-e 's/MKDIR_P = \.\./MKDIR_P = ..\/../' \
	420	< $< > $@
	421
	422	stamp-debug: $(foreach dir,. $(SUBDIRS),debug/$(dir)/Makefile)
	423	mv debug/Makefile debug/Makefile.tmp
	424	sed -e 's,all-local: all-once,all-local:,' \
	425	-e 's,install-data-local: install-data-once,install-data-local:,' \
	426	-e '/vpath/!s,src/c,src/debug/c,' \
	427	< debug/Makefile.tmp > debug/Makefile
	428	rm -f debug/Makefile.tmp
	429	date > stamp-debug;
	430
	431	.SECONDARY: $(foreach dir,. $(SUBDIRS),debug/$(dir)/Makefile)
6aa43d99	432
6a26ad67	433	if ENABLE_BACKTRACE
ba755148 JW	434	backtrace_supported_h = $(backtrace_dir)/backtrace-supported.h
	435	debug_backtrace_supported_h = debug/$(backtrace_supported_h)
	436	$(debug_backtrace_supported_h): $(backtrace_supported_h) stamp-debug
6a26ad67	437	cp $< $@
6a26ad67 JW	438	else
	439	debug_backtrace_supported_h =
	440	endif
	441
	442	build-debug: stamp-debug $(debug_backtrace_supported_h)
ba755148 JW	443	$(MAKE) -C debug CXXFLAGS='$(DEBUG_FLAGS)' \
ba755148 JW	444	toolexeclibdir=$(glibcxx_toolexeclibdir)/debug all
56378d0e BK	445
	446	# Install debug library.
	447	install-debug: build-debug
3c672179 BRF	448	$(MAKE) -C debug CXXFLAGS='$(DEBUG_FLAGS)' \
3c672179 BRF	449	toolexeclibdir=$(glibcxx_toolexeclibdir)/debug install