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| author | Alexander Ivchenko <alexander.ivchenko@intel.com> | 2016-09-09 21:38:06 +0000 |
|---|---|---|
| committer | H.J. Lu <hjl@gcc.gnu.org> | 2016-09-09 14:38:06 -0700 |
| commit | 7e4955774fe4e365ec762a51d90ef6365b8be315 (patch) | |
| tree | 7fffb6b63dfdd2d0db6edabc6cacba2f58086af7 /gcc/configure.ac | |
| parent | af63ba4b309ea3ff8946be59e8dba7333594f4ff (diff) | |
| download | gcc-7e4955774fe4e365ec762a51d90ef6365b8be315.zip gcc-7e4955774fe4e365ec762a51d90ef6365b8be315.tar.gz gcc-7e4955774fe4e365ec762a51d90ef6365b8be315.tar.bz2 | |
re PR target/77267 (MPX does not work in a presence of "-Wl,-as-needed" option (Ubuntu default))
Fix PR target/77267
2016-09-10 Alexander Ivchenko <alexander.ivchenko@intel.com>
PR target/77267
* config.in: Regenerate.
* config/i386/linux-common.h (MPX_LD_AS_NEEDED_GUARD_PUSH):
New macro.
(MPX_LD_AS_NEEDED_GUARD_PUSH): Ditto.
(LIBMPXWRAPPERS_SPEC): Remove "--no-whole-archive" from
static-libmpxwrappers case.
(LIBMPX_SPEC): Add guards with MPX_LD_AS_NEEDED_GUARD_PUSH and
MPX_LD_AS_NEEDED_GUARD_POP.
* configure: Regenerate.
* configure.ac (HAVE_LD_PUSHPOPSTATE_SUPPORT): New variable.
defined if linker support "--push-state"/"--pop-state".
From-SVN: r240057
Diffstat (limited to 'gcc/configure.ac')
| -rw-r--r-- | gcc/configure.ac | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/gcc/configure.ac b/gcc/configure.ac index 241e82d..93af766 100644 --- a/gcc/configure.ac +++ b/gcc/configure.ac @@ -6237,6 +6237,27 @@ if test x"$ld_bndplt_support" = xyes; then fi AC_MSG_RESULT($ld_bndplt_support) +# Check linker supports '--push-state'/'--pop-state' +ld_pushpopstate_support=no +AC_MSG_CHECKING(linker --push-state/--pop-state options) +if test x"$ld_is_gold" = xno; then + if test $in_tree_ld = yes ; then + if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 25 -o "$gcc_cv_gld_major_version" -gt 2; then + ld_pushpopstate_support=yes + fi + elif test x$gcc_cv_ld != x; then + # Check if linker supports --push-state/--pop-state options + if $gcc_cv_ld --help 2>/dev/null | grep -- '--push-state' > /dev/null; then + ld_pushpopstate_support=yes + fi + fi +fi +if test x"$ld_pushpopstate_support" = xyes; then + AC_DEFINE(HAVE_LD_PUSHPOPSTATE_SUPPORT, 1, + [Define if your linker supports --push-state/--pop-state]) +fi +AC_MSG_RESULT($ld_pushpopstate_support) + # Configure the subdirectories # AC_CONFIG_SUBDIRS($subdirs) |