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Add --disable-Bsymbolic flag

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This commit is contained in:
Ryan Lortie 2010-07-05 13:10:28 -04:00
parent dea042b855
commit 48881bad99
1 changed files with 18 additions and 9 deletions
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27
configure.in
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@ -3638,16 +3638,25 @@ dnl
dnl Check for -Bsymbolic-functions linker flag used to avoid
dnl intra-library PLT jumps, if available.
dnl
SAVED_LDFLAGS="${LDFLAGS}"
AC_MSG_CHECKING([for -Bsymbolic-functions linker flag])
LDFLAGS=-Wl,-Bsymbolic-functions
AC_TRY_LINK([], [int main (void) { return 0; }],
GLIB_LINK_FLAGS=-Wl[,]-Bsymbolic-functions
AC_MSG_RESULT(yes),
GLIB_LINK_FLAGS=
AC_MSG_RESULT(no))
AC_ARG_ENABLE(Bsymbolic,
[AC_HELP_STRING([--disable-Bsymbolic],
[avoid linking with -Bsymbolic])],,
[SAVED_LDFLAGS="${LDFLAGS}"
AC_MSG_CHECKING([for -Bsymbolic-functions linker flag])
LDFLAGS=-Wl,-Bsymbolic-functions
AC_TRY_LINK([], [int main (void) { return 0; }],
AC_MSG_RESULT(yes)
enable_Bsymbolic=yes,
AC_MSG_RESULT(no)
enable_Bsymbolic=no)
LDFLAGS="${SAVED_LDFLAGS}"])
if test "x${enable_Bsymbolic}" == "xyes"; then
GLIB_LINK_FLAGS=-Wl,-Bsymbolic-functions
fi
AC_SUBST(GLIB_LINK_FLAGS)
LDFLAGS="${SAVED_LDFLAGS}"
AC_CONFIG_FILES([
glib-2.0.pc