diff options
| author | Sebastian Dröge <sebastian@centricular.com> | 2015-12-21 12:32:32 +0100 |
|---|---|---|
| committer | Sebastian Dröge <sebastian@centricular.com> | 2015-12-21 12:32:32 +0100 |
| commit | d774f18fb9602c9084a8fc8585d67c629eb4ef6d (patch) | |
| tree | 09472ef2b202687fdbe034d14498f6cab44c777f | |
| parent | c589c6db058d257a32ba51b27a48920f4d185876 (diff) | |
configure: Use -Bsymbolic-functions if available
While this is more useful for libraries, some of our plugins with multiple
files and some internal API can also benefit from this.
| -rw-r--r-- | configure.ac | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 4b7e012ced..b3863bbb41 100644 --- a/configure.ac +++ b/configure.ac @@ -171,6 +171,21 @@ AC_SUBST(GSTPB_PREFIX) dnl Needed by plugins that use g_module_*() API PKG_CHECK_MODULES(GMODULE_NO_EXPORT, gmodule-no-export-2.0) +dnl Check for -Bsymbolic-functions linker flag used to avoid +dnl intra-library PLT jumps, if available. +AC_ARG_ENABLE(Bsymbolic, + [AS_HELP_STRING([--disable-Bsymbolic],[avoid linking with -Bsymbolic])],, + [SAVED_LDFLAGS="${LDFLAGS}" SAVED_LIBS="${LIBS}" + AC_MSG_CHECKING([for -Bsymbolic-functions linker flag]) + LDFLAGS=-Wl,-Bsymbolic-functions + LIBS= + AC_TRY_LINK([], [return 0], + AC_MSG_RESULT(yes) + enable_Bsymbolic=yes, + AC_MSG_RESULT(no) + enable_Bsymbolic=no) + LDFLAGS="${SAVED_LDFLAGS}" LIBS="${SAVED_LIBS}"]) + dnl *** set variables based on configure arguments *** dnl set license and copyright notice @@ -432,6 +447,9 @@ AC_SUBST(GST_LIBS) dnl LDFLAGS really should only contain flags, not libs - they get added before dnl whatevertarget_LIBS and -L flags here affect the rest of the linking GST_ALL_LDFLAGS="-no-undefined" +if test "x${enable_Bsymbolic}" = "xyes"; then + GST_ALL_LDFLAGS="$GST_ALL_LDFLAGS -Wl,-Bsymbolic-functions" +fi AC_SUBST(GST_ALL_LDFLAGS) dnl this really should only contain flags, not libs - they get added before |