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Disable .gnu.attributes tags in compatibility-ldbl.o

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compatibility-ldbl.o is compiled with -mlong-double-64.  When
long double .gnu.attributes tags are checked by the linker, it
complains about the mismatch between this file and others in
libstdc++.

	* configure.ac (LONG_DOUBLE_COMPAT_FLAGS): New ACSUBST.
	* src/Makefile.am (compatibility-ldbl.o, compatibility-ldbl.lo):
	Use LONG_DOUBLE_COMPAT_FLAGS.
	* Makefile.in: Regenerate.
	* configure: Regenerate.
	* doc/Makefile.in: Regenerate.
	* include/Makefile.in: Regenerate.
	* libsupc++/Makefile.in: Regenerate.
	* po/Makefile.in: Regenerate.
	* python/Makefile.in: Regenerate.
	* src/Makefile.in: Regenerate.
	* src/c++11/Makefile.in: Regenerate.
	* src/c++98/Makefile.in: Regenerate.
	* src/filesystem/Makefile.in: Regenerate.
	* testsuite/Makefile.in: Regenerate.

From-SVN: r240602
This commit is contained in:
Alan Modra 2016-09-29 07:33:17 +09:30 committed by Alan Modra
parent e9dda04f07
commit 6d49b790fd
15 changed files with 55 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
libstdc++-v3/ChangeLog
View File

@ -1,3 +1,21 @@
2016-09-29 Alan Modra <amodra@gmail.com>
* configure.ac (LONG_DOUBLE_COMPAT_FLAGS): New ACSUBST.
* src/Makefile.am (compatibility-ldbl.o, compatibility-ldbl.lo):
Use LONG_DOUBLE_COMPAT_FLAGS.
* Makefile.in: Regenerate.
* configure: Regenerate.
* doc/Makefile.in: Regenerate.
* include/Makefile.in: Regenerate.
* libsupc++/Makefile.in: Regenerate.
* po/Makefile.in: Regenerate.
* python/Makefile.in: Regenerate.
* src/Makefile.in: Regenerate.
* src/c++11/Makefile.in: Regenerate.
* src/c++98/Makefile.in: Regenerate.
* src/filesystem/Makefile.in: Regenerate.
* testsuite/Makefile.in: Regenerate.
2016-09-28 Jonathan Wakely <jwakely@redhat.com>
* include/std/chrono (system_clock): Fix typo in comment.

1
libstdc++-v3/Makefile.in
View File

@ -191,6 +191,7 @@ LIBS = @LIBS@
LIBTOOL = @LIBTOOL@
LIPO = @LIPO@
LN_S = @LN_S@
LONG_DOUBLE_COMPAT_FLAGS = @LONG_DOUBLE_COMPAT_FLAGS@
LTLIBICONV = @LTLIBICONV@
LTLIBOBJS = @LTLIBOBJS@
MAINT = @MAINT@

25
libstdc++-v3/configure vendored
View File

@ -645,6 +645,7 @@ baseline_dir
HWCAP_FLAGS
GLIBCXX_LDBL_COMPAT_FALSE
GLIBCXX_LDBL_COMPAT_TRUE
LONG_DOUBLE_COMPAT_FLAGS
ENABLE_CXX11_ABI_FALSE
ENABLE_CXX11_ABI_TRUE
glibcxx_cxx98_abi
@ -11596,7 +11597,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
#line 11599 "configure"
#line 11600 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@ -11702,7 +11703,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
#line 11705 "configure"
#line 11706 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@ -15388,7 +15389,7 @@ $as_echo "$glibcxx_cv_atomic_long_long" >&6; }
# Fake what AC_TRY_COMPILE does.
cat > conftest.$ac_ext << EOF
#line 15391 "configure"
#line 15392 "configure"
int main()
{
typedef bool atomic_type;
@ -15423,7 +15424,7 @@ $as_echo "$glibcxx_cv_atomic_bool" >&6; }
rm -f conftest*
cat > conftest.$ac_ext << EOF
#line 15426 "configure"
#line 15427 "configure"
int main()
{
typedef short atomic_type;
@ -15458,7 +15459,7 @@ $as_echo "$glibcxx_cv_atomic_short" >&6; }
rm -f conftest*
cat > conftest.$ac_ext << EOF
#line 15461 "configure"
#line 15462 "configure"
int main()
{
// NB: _Atomic_word not necessarily int.
@ -15494,7 +15495,7 @@ $as_echo "$glibcxx_cv_atomic_int" >&6; }
rm -f conftest*
cat > conftest.$ac_ext << EOF
#line 15497 "configure"
#line 15498 "configure"
int main()
{
typedef long long atomic_type;
@ -15575,7 +15576,7 @@ $as_echo "$as_me: WARNING: Performance of certain classes will degrade as a resu
# unnecessary for this test.
cat > conftest.$ac_ext << EOF
#line 15578 "configure"
#line 15579 "configure"
int main()
{
_Decimal32 d1;
@ -15617,7 +15618,7 @@ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
# unnecessary for this test.
cat > conftest.$ac_ext << EOF
#line 15620 "configure"
#line 15621 "configure"
template<typename T1, typename T2>
struct same
{ typedef T2 type; };
@ -15651,7 +15652,7 @@ $as_echo "$enable_int128" >&6; }
rm -f conftest*
cat > conftest.$ac_ext << EOF
#line 15654 "configure"
#line 15655 "configure"
template<typename T1, typename T2>
struct same
{ typedef T2 type; };
@ -79344,6 +79345,7 @@ $as_echo "${default_libstdcxx_abi}" >&6; }
ac_ldbl_compat=no
LONG_DOUBLE_COMPAT_FLAGS="-mlong-double-64"
case "$target" in
powerpc*-*-linux* | \
sparc*-*-linux* | \
@ -79375,10 +79377,15 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
$as_echo "#define _GLIBCXX_LONG_DOUBLE_COMPAT 1" >>confdefs.h
port_specific_symbol_files="\$(top_srcdir)/config/os/gnu-linux/ldbl-extra.ver"
case "$target" in
powerpc*-*-linux*)
LONG_DOUBLE_COMPAT_FLAGS="$LONG_DOUBLE_COMPAT_FLAGS -mno-gnu-attribute" ;;
esac
fi
esac
# Check if assembler supports disabling hardware capability support.
test -z "$HWCAP_FLAGS" && HWCAP_FLAGS=''

6
libstdc++-v3/configure.ac
View File

@ -375,6 +375,7 @@ GLIBCXX_ENABLE_LIBSTDCXX_DUAL_ABI([yes])
GLIBCXX_DEFAULT_ABI
ac_ldbl_compat=no
LONG_DOUBLE_COMPAT_FLAGS="-mlong-double-64"
case "$target" in
powerpc*-*-linux* | \
sparc*-*-linux* | \
@ -389,8 +390,13 @@ case "$target" in
AC_DEFINE([_GLIBCXX_LONG_DOUBLE_COMPAT],1,
[Define if compatibility should be provided for -mlong-double-64.])
port_specific_symbol_files="\$(top_srcdir)/config/os/gnu-linux/ldbl-extra.ver"
case "$target" in
powerpc*-*-linux*)
LONG_DOUBLE_COMPAT_FLAGS="$LONG_DOUBLE_COMPAT_FLAGS -mno-gnu-attribute" ;;
esac
fi
esac
AC_SUBST(LONG_DOUBLE_COMPAT_FLAGS)
GLIBCXX_CONDITIONAL(GLIBCXX_LDBL_COMPAT, test $ac_ldbl_compat = yes)
# Check if assembler supports disabling hardware capability support.

1
libstdc++-v3/doc/Makefile.in
View File

@ -163,6 +163,7 @@ LIBS = @LIBS@
LIBTOOL = @LIBTOOL@
LIPO = @LIPO@
LN_S = @LN_S@
LONG_DOUBLE_COMPAT_FLAGS = @LONG_DOUBLE_COMPAT_FLAGS@
LTLIBICONV = @LTLIBICONV@
LTLIBOBJS = @LTLIBOBJS@
MAINT = @MAINT@

1
libstdc++-v3/include/Makefile.in
View File

@ -163,6 +163,7 @@ LIBS = @LIBS@
LIBTOOL = @LIBTOOL@
LIPO = @LIPO@
LN_S = @LN_S@
LONG_DOUBLE_COMPAT_FLAGS = @LONG_DOUBLE_COMPAT_FLAGS@
LTLIBICONV = @LTLIBICONV@
LTLIBOBJS = @LTLIBOBJS@
MAINT = @MAINT@

1
libstdc++-v3/libsupc++/Makefile.in
View File

@ -236,6 +236,7 @@ LIBS = @LIBS@
LIBTOOL = @LIBTOOL@
LIPO = @LIPO@
LN_S = @LN_S@
LONG_DOUBLE_COMPAT_FLAGS = @LONG_DOUBLE_COMPAT_FLAGS@
LTLIBICONV = @LTLIBICONV@
LTLIBOBJS = @LTLIBOBJS@
MAINT = @MAINT@

1
libstdc++-v3/po/Makefile.in
View File

@ -163,6 +163,7 @@ LIBS = @LIBS@
LIBTOOL = @LIBTOOL@
LIPO = @LIPO@
LN_S = @LN_S@
LONG_DOUBLE_COMPAT_FLAGS = @LONG_DOUBLE_COMPAT_FLAGS@
LTLIBICONV = @LTLIBICONV@
LTLIBOBJS = @LTLIBOBJS@
MAINT = @MAINT@

1
libstdc++-v3/python/Makefile.in
View File

@ -193,6 +193,7 @@ LIBS = @LIBS@
LIBTOOL = @LIBTOOL@
LIPO = @LIPO@
LN_S = @LN_S@
LONG_DOUBLE_COMPAT_FLAGS = @LONG_DOUBLE_COMPAT_FLAGS@
LTLIBICONV = @LTLIBICONV@
LTLIBOBJS = @LTLIBOBJS@
MAINT = @MAINT@

4
libstdc++-v3/src/Makefile.am
View File

@ -109,9 +109,9 @@ libstdc___la_LINK = $(CXXLINK) $(libstdc___la_LDFLAGS)
# pass -mlong-double-64.
if GLIBCXX_LDBL_COMPAT
compatibility-ldbl.lo: compatibility-ldbl.cc
$(LTCXXCOMPILE) -mlong-double-64 -c $<
$(LTCXXCOMPILE) $(LONG_DOUBLE_COMPAT_FLAGS) -c $<
compatibility-ldbl.o: compatibility-ldbl.cc
$(CXXCOMPILE) -mlong-double-64 -c $<
$(CXXCOMPILE) $(LONG_DOUBLE_COMPAT_FLAGS) -c $<
endif
# Use special rules for C++11 files/objects.

5
libstdc++-v3/src/Makefile.in
View File

@ -226,6 +226,7 @@ LIBS = @LIBS@
LIBTOOL = @LIBTOOL@
LIPO = @LIPO@
LN_S = @LN_S@
LONG_DOUBLE_COMPAT_FLAGS = @LONG_DOUBLE_COMPAT_FLAGS@
LTLIBICONV = @LTLIBICONV@
LTLIBOBJS = @LTLIBOBJS@
MAINT = @MAINT@
@ -902,9 +903,9 @@ vpath % $(top_srcdir)/src/c++11
# Use special rules for compatibility-ldbl.cc compilation, as we need to
# pass -mlong-double-64.
@GLIBCXX_LDBL_COMPAT_TRUE@compatibility-ldbl.lo: compatibility-ldbl.cc
@GLIBCXX_LDBL_COMPAT_TRUE@ $(LTCXXCOMPILE) -mlong-double-64 -c $<
@GLIBCXX_LDBL_COMPAT_TRUE@ $(LTCXXCOMPILE) $(LONG_DOUBLE_COMPAT_FLAGS) -c $<
@GLIBCXX_LDBL_COMPAT_TRUE@compatibility-ldbl.o: compatibility-ldbl.cc
@GLIBCXX_LDBL_COMPAT_TRUE@ $(CXXCOMPILE) -mlong-double-64 -c $<
@GLIBCXX_LDBL_COMPAT_TRUE@ $(CXXCOMPILE) $(LONG_DOUBLE_COMPAT_FLAGS) -c $<
# Use special rules for C++11 files/objects.
compatibility-c++0x.lo: compatibility-c++0x.cc

1
libstdc++-v3/src/c++11/Makefile.in
View File

@ -196,6 +196,7 @@ LIBS = @LIBS@
LIBTOOL = @LIBTOOL@
LIPO = @LIPO@
LN_S = @LN_S@
LONG_DOUBLE_COMPAT_FLAGS = @LONG_DOUBLE_COMPAT_FLAGS@
LTLIBICONV = @LTLIBICONV@
LTLIBOBJS = @LTLIBOBJS@
MAINT = @MAINT@

1
libstdc++-v3/src/c++98/Makefile.in
View File

@ -197,6 +197,7 @@ LIBS = @LIBS@
LIBTOOL = @LIBTOOL@
LIPO = @LIPO@
LN_S = @LN_S@
LONG_DOUBLE_COMPAT_FLAGS = @LONG_DOUBLE_COMPAT_FLAGS@
LTLIBICONV = @LTLIBICONV@
LTLIBOBJS = @LTLIBOBJS@
MAINT = @MAINT@

1
libstdc++-v3/src/filesystem/Makefile.in
View File

@ -205,6 +205,7 @@ LIBS = @LIBS@
LIBTOOL = @LIBTOOL@
LIPO = @LIPO@
LN_S = @LN_S@
LONG_DOUBLE_COMPAT_FLAGS = @LONG_DOUBLE_COMPAT_FLAGS@
LTLIBICONV = @LTLIBICONV@
LTLIBOBJS = @LTLIBOBJS@
MAINT = @MAINT@

1
libstdc++-v3/testsuite/Makefile.in
View File

@ -163,6 +163,7 @@ LIBS = @LIBS@
LIBTOOL = @LIBTOOL@
LIPO = @LIPO@
LN_S = @LN_S@
LONG_DOUBLE_COMPAT_FLAGS = @LONG_DOUBLE_COMPAT_FLAGS@
LTLIBICONV = @LTLIBICONV@
LTLIBOBJS = @LTLIBOBJS@
MAINT = @MAINT@