From 2d86809db6d1d626a9df40c283ec564ac98ff85d Mon Sep 17 00:00:00 2001
From: jacobly0 <jacobly0@users.noreply.github.com>
Date: Tue, 27 Oct 2020 10:00:03 -0400
Subject: [PATCH] Fix read-only .eh_frame section test when CFLAGS contains
 -flto. (#590)

---
 configure.ac | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 3ca1f4f..790274e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -260,11 +260,13 @@ EOF
 fi
 
 if test "x$GCC" = "xyes"; then
+  AX_CHECK_COMPILE_FLAG(-fno-lto, libffi_cv_no_lto=-fno-lto)
+
   AC_CACHE_CHECK([whether .eh_frame section should be read-only],
       libffi_cv_ro_eh_frame, [
   	libffi_cv_ro_eh_frame=yes
   	echo 'extern void foo (void); void bar (void) { foo (); foo (); }' > conftest.c
-  	if $CC $CFLAGS -c -fpic -fexceptions -o conftest.o conftest.c > /dev/null 2>&1; then
+  	if $CC $CFLAGS -c -fpic -fexceptions $libffi_cv_no_lto -o conftest.o conftest.c > /dev/null 2>&1; then
 	    if readelf -WS conftest.o | grep -q -n 'eh_frame .* WA'; then
 	        libffi_cv_ro_eh_frame=no
 	    fi
-- 
2.34.1