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-rw-r--r--sysdeps/powerpc/powerpc32/configure29
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