diff options
Diffstat (limited to 'sysdeps/powerpc/powerpc32/configure')
| -rw-r--r-- | sysdeps/powerpc/powerpc32/configure | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/sysdeps/powerpc/powerpc32/configure b/sysdeps/powerpc/powerpc32/configure index 9ebac38b57..0ff56c936a 100644 --- a/sysdeps/powerpc/powerpc32/configure +++ b/sysdeps/powerpc/powerpc32/configure @@ -31,3 +31,32 @@ if test $libc_cv_ppc_rel16 = yes; then _ACEOF fi + +# See whether GCC uses -msecure-plt. +echo "$as_me:$LINENO: checking for -msecure-plt by default" >&5 +echo $ECHO_N "checking for -msecure-plt by default... $ECHO_C" >&6 +if test "${libc_cv_ppc_secure_plt+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + echo 'int foo (void) { extern int bar; return bar; }' > conftest.c +libc_cv_ppc_secure_plt=no +if { ac_try='${CC-cc} -S $CFLAGS conftest.c -fpic -o conftest.s 1>&5' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + if grep '_GLOBAL_OFFSET_TABLE_-.*@ha' conftest.s > /dev/null 2>&1; then + libc_cv_ppc_secure_plt=yes + fi +fi +rm -rf conftest* +fi +echo "$as_me:$LINENO: result: $libc_cv_ppc_secure_plt" >&5 +echo "${ECHO_T}$libc_cv_ppc_secure_plt" >&6 +if test $libc_cv_ppc_secure_plt = yes; then + cat >>confdefs.h <<\_ACEOF +#define HAVE_PPC_SECURE_PLT 1 +_ACEOF + +fi |