Enable building libgomp with Intel CET

libgomp/
	* configure.ac: Set CET_FLAGS, update XCFLAGS and FCFLAGS.
	* acinclude.m4: Add cet.m4.
	* configure: Regenerate.
	* Makefile.in: Likewise.
	* testsuite/Makefile.in: Likewise.

From-SVN: r254894
This commit is contained in:
Igor Tsimbalist 2017-11-17 22:22:09 +01:00 committed by Igor Tsimbalist
parent efc643e90d
commit efe33ced33
6 changed files with 93 additions and 6 deletions

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@ -1,3 +1,11 @@
2017-11-17 Igor Tsimbalist <igor.v.tsimbalist@intel.com>
* configure.ac: Set CET_FLAGS, update XCFLAGS and FCFLAGS.
* acinclude.m4: Add cet.m4.
* configure: Regenerate.
* Makefile.in: Likewise.
* testsuite/Makefile.in: Likewise.
2017-11-15 Tom de Vries <tom@codesourcery.com>
* testsuite/libgomp.oacc-c-c++-common/f-asyncwait-1.c: New test, copied

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@ -105,8 +105,8 @@ am__aclocal_m4_deps = $(top_srcdir)/../config/acx.m4 \
$(top_srcdir)/../config/tls.m4 $(top_srcdir)/../ltoptions.m4 \
$(top_srcdir)/../ltsugar.m4 $(top_srcdir)/../ltversion.m4 \
$(top_srcdir)/../lt~obsolete.m4 $(top_srcdir)/acinclude.m4 \
$(top_srcdir)/../libtool.m4 $(top_srcdir)/plugin/configfrag.ac \
$(top_srcdir)/configure.ac
$(top_srcdir)/../libtool.m4 $(top_srcdir)/../config/cet.m4 \
$(top_srcdir)/plugin/configfrag.ac $(top_srcdir)/configure.ac
am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
$(ACLOCAL_M4)
am__CONFIG_DISTCLEAN_FILES = config.status config.cache config.log \

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@ -56,6 +56,7 @@ extern void bar(void) __attribute__((alias("foo")));],
fi])
sinclude(../libtool.m4)
sinclude(../config/cet.m4)
dnl The lines below arrange for aclocal not to bring an installed
dnl libtool.m4 into aclocal.m4, while still arranging for automake to
dnl add a definition of LIBTOOL to Makefile.in.

77
libgomp/configure vendored
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@ -799,6 +799,7 @@ with_hsa_runtime_lib
enable_linux_futex
enable_tls
enable_symvers
enable_cet
with_gcc_major_version_only
'
ac_precious_vars='build_alias
@ -1451,6 +1452,8 @@ Optional Features:
--enable-tls Use thread-local storage [default=yes]
--enable-symvers=STYLE enables symbol versioning of the shared library
[default=yes]
--enable-cet enable Intel CET in target libraries
[default=default]
Optional Packages:
--with-PACKAGE[=ARG] use PACKAGE [ARG=yes]
@ -11155,7 +11158,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
#line 11158 "configure"
#line 11161 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@ -11261,7 +11264,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
#line 11264 "configure"
#line 11267 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@ -16616,6 +16619,76 @@ $as_echo "#define HAVE_SYNC_BUILTINS 1" >>confdefs.h
XCFLAGS="$XCFLAGS$XPCFLAGS"
# Add CET specific flags if CET is enabled
# Check whether --enable-cet was given.
if test "${enable_cet+set}" = set; then :
enableval=$enable_cet;
case "$enableval" in
yes|no|default) ;;
*) as_fn_error "Unknown argument to enable/disable cet" "$LINENO" 5 ;;
esac
else
enable_cet=default
fi
case "$host" in
i[34567]86-*-linux* | x86_64-*-linux*)
case "$enable_cet" in
default)
# Check if assembler supports CET.
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
int
main ()
{
asm ("setssbsy");
;
return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
enable_cet=yes
else
enable_cet=no
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
;;
yes)
# Check if assembler supports CET.
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
int
main ()
{
asm ("setssbsy");
;
return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
else
as_fn_error "assembler with CET support is required for --enable-cet" "$LINENO" 5
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
;;
esac
;;
*)
enable_cet=no
;;
esac
if test x$enable_cet = xyes; then
CET_FLAGS="-fcf-protection -mcet"
fi
XCFLAGS="$XCFLAGS $CET_FLAGS"
FCFLAGS="$FCFLAGS $CET_FLAGS"

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@ -293,6 +293,11 @@ LIBGOMP_CHECK_SYNC_BUILTINS
XCFLAGS="$XCFLAGS$XPCFLAGS"
# Add CET specific flags if CET is enabled
GCC_CET_FLAGS(CET_FLAGS)
XCFLAGS="$XCFLAGS $CET_FLAGS"
FCFLAGS="$FCFLAGS $CET_FLAGS"
AC_SUBST(config_path)
AC_SUBST(XCFLAGS)
AC_SUBST(XLDFLAGS)

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@ -67,8 +67,8 @@ am__aclocal_m4_deps = $(top_srcdir)/../config/acx.m4 \
$(top_srcdir)/../config/tls.m4 $(top_srcdir)/../ltoptions.m4 \
$(top_srcdir)/../ltsugar.m4 $(top_srcdir)/../ltversion.m4 \
$(top_srcdir)/../lt~obsolete.m4 $(top_srcdir)/acinclude.m4 \
$(top_srcdir)/../libtool.m4 $(top_srcdir)/plugin/configfrag.ac \
$(top_srcdir)/configure.ac
$(top_srcdir)/../libtool.m4 $(top_srcdir)/../config/cet.m4 \
$(top_srcdir)/plugin/configfrag.ac $(top_srcdir)/configure.ac
am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
$(ACLOCAL_M4)
mkinstalldirs = $(SHELL) $(top_srcdir)/../mkinstalldirs