2006-02-07 Jakub Jelinek <jakub@redhat.com>

	    Benjamin Kosnik  <bkoz@redhat.com>

	* configure.ac (_GLIBCXX_LONG_DOUBLE_COMPAT): New check.
	If true, set also port_specific_symbol_files and create
	as_symver_specs.
	(GLIBCXX_LDBL_COMPAT): New GLIBCXX_CONDITIONAL.
	* configure: Rebuilt.
	* config.h.in: Rebuilt.
	* config/os/gnu-linux/ldbl-extra.ver: New file.
	* config/abi/pre/gnu.ver: Make sure no __float128 symbols are
	exported.
	* include/bits/c++config (_GLIBCXX_LONG_DOUBLE_COMPAT,
	_GLIBCXX_LDBL_NAMESPACE, _GLIBCXX_BEGIN_LDBL_NAMESPACE,
	_GLIBCXX_END_LDBL_NAMESPACE): Define.
	* include/bits/localefwd.h: Use them to conditionally scope facets.
	* include/bits/locale_facets.h: Surround std::{money,num}_{get,put}
	with _GLIBCXX_BEGIN_LDBL_NAMESPACE and _GLIBCXX_END_LDBL_NAMESPACE.
	Surround std::{money,num}_{get,put}
	with _GLIBCXX_BEGIN_LDBL_NAMESPACE and _GLIBCXX_END_LDBL_NAMESPACE.
	[_GLIBCXX_LONG_DOUBLE_COMPAT] (std::money_get): Add __do_get method.
	[_GLIBCXX_LONG_DOUBLE_COMPAT] (std::money_put): Add __do_put method.
	[_GLIBCXX_LONG_DOUBLE_COMPAT] (std::num_get): Add __do_get method.
	[_GLIBCXX_LONG_DOUBLE_COMPAT] (std::num_put): Add __do_put method.
	* include/bits/locale_facets.tcc: Surround std::{money,num}_{get,put}
	with _GLIBCXX_BEGIN_LDBL_NAMESPACE and _GLIBCXX_END_LDBL_NAMESPACE.
	(std::money_get::__do_get, std::money_put::__do_put,
	std::num_get::__do_get, std::num_put::__do_put): New
	specializations.
	* include/Makefile.am: Conditionally define
	_GLIBCXX_LONG_DOUBLE_COMPAT in c++config.
	* include/Makefile.in: Regenerate.
	* src/locale.cc [_GLIBCXX_LONG_DOUBLE_COMPAT] (_GLIBCXX_LOC_ID,
	_GLIBCXX_SYNC_ID): Define, use them.
	* src/compatibility-ldbl.cc: New file.
	* src/complex_io.cc [_GLIBCXX_LONG_DOUBLE_COMPAT]: Add compatibility
	symbols.
	* src/limits.cc [_GLIBCXX_LONG_DOUBLE_COMPAT]: Likewise.
	* src/locale.cc [_GLIBCXX_LONG_DOUBLE_COMPAT]: Likewise.
	* src/locale-inst.cc [_GLIBCXX_LONG_DOUBLE_COMPAT]: Likewise.	
	* src/locale-misc-inst.cc [_GLIBCXX_LONG_DOUBLE_COMPAT]: Likewise.
	* src/istream-inst.cc [_GLIBCXX_LONG_DOUBLE_COMPAT]: Likewise.
	* src/ostream-inst.cc [_GLIBCXX_LONG_DOUBLE_COMPAT]: Likewise.
	* src/locale.cc [_GLIBCXX_LONG_DOUBLE_COMPAT]: Likewise.
	* src/wlocale-inst.cc [_GLIBCXX_LONG_DOUBLE_COMPAT]: Likewise.
	* src/compatibility.cc [_GLIBCXX_LONG_DOUBLE_COMPAT]: Likewise.
	* config/locale/generic/c_locale.cc [_GLIBCXX_LONG_DOUBLE_COMPAT]:
	Likewise.
	* config/locale/gnu/c_locale.cc [_GLIBCXX_LONG_DOUBLE_COMPAT]:
	Likewise.
	* src/Makefile.am (libstdc++-symbol.ver): Append instead of
	insert in the middle if port specific symbol file requests it.
	(ldbl_compat_sources): New variable.
	(sources): Use it.
	(compatibility-ldbl.lo, compatibility-ldbl.o): New rules.
	* src/Makefile.in: Rebuilt.
	* testsuite/testsuite_abi.cc: Recognize GLIBCXX_LDBL_3.4,
	GLIBCXX_LDBL_3.4.7, CXXABI_LDBL_1.3.	



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@110725 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 26 insertions, 5 deletions

diff --git a/libstdc++-v3/src/Makefile.am b/libstdc++-v3/src/Makefile.am
index 973e75ff157..b3ada6aeddb 100644
--- a/libstdc++-v3/src/Makefile.am
+++ b/libstdc++-v3/src/Makefile.am
@@ -33,10 +33,15 @@ libstdc++-symbols.ver:  ${glibcxx_srcdir}/$(SYMVER_FILE) \
 		$(port_specific_symbol_files)
 	cp ${glibcxx_srcdir}/$(SYMVER_FILE) ./libstdc++-symbols.ver
 	if test "x$(port_specific_symbol_files)" != x; then \
-	  sed -n '1,/DO NOT DELETE/p' $@ > tmp.top; \
-	  sed -n '/DO NOT DELETE/,$$p' $@ > tmp.bottom; \
-	  cat tmp.top $(port_specific_symbol_files) tmp.bottom > $@; \
-	  rm tmp.top tmp.bottom; \
+	  if grep '^# Appended to version file.' \
+	       $(port_specific_symbol_files) /dev/null > /dev/null 2>&1; then \
+	    cat $(port_specific_symbol_files) >> $@; \
+	  else \
+	    sed -n '1,/DO NOT DELETE/p' $@ > tmp.top; \
+	    sed -n '/DO NOT DELETE/,$$p' $@ > tmp.bottom; \
+	    cat tmp.top $(port_specific_symbol_files) tmp.bottom > $@; \
+	    rm tmp.top tmp.bottom; \
+	  fi; \
 	fi
 
 if ENABLE_SYMVERS_GNU
@@ -115,6 +120,12 @@ c++locale.cc: ${glibcxx_srcdir}/$(CLOCALE_CC)
 basic_file.cc: ${glibcxx_srcdir}/$(BASIC_FILE_CC)
 	$(LN_S) ${glibcxx_srcdir}/$(BASIC_FILE_CC) ./$@ || true
 
+if GLIBCXX_LDBL_COMPAT
+ldbl_compat_sources = compatibility-ldbl.cc
+else
+ldbl_compat_sources =
+endif
+
 # Sources present in the src directory.
 sources = \
 	bitmap_allocator.cc \
@@ -162,7 +173,8 @@ sources = \
 	wlocale-inst.cc \
 	wstring-inst.cc \
 	${host_sources} \
-	${host_sources_extra}
+	${host_sources_extra} \
+	${ldbl_compat_sources}
 
 VPATH = $(top_srcdir)/src:$(top_srcdir)
 
@@ -193,6 +205,15 @@ concept-inst.lo: concept-inst.cc
 concept-inst.o: concept-inst.cc
 	$(CXXCOMPILE) -D_GLIBCXX_CONCEPT_CHECKS -fimplicit-templates -c $<
 
+if GLIBCXX_LDBL_COMPAT
+# Use special rules for compatibility-ldbl.cc compilation, as we need to
+# pass -mlong-double-64.
+compatibility-ldbl.lo: compatibility-ldbl.cc
+	$(LTCXXCOMPILE) -mlong-double-64 -c $<
+compatibility-ldbl.o: compatibility-ldbl.cc
+	$(CXXCOMPILE) -mlong-double-64 -c $<
+endif
+
 # AM_CXXFLAGS needs to be in each subdirectory 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