kc3-lang/libffi

diff --git a/m4/ax_cc_maxopt.m4 b/m4/ax_cc_maxopt.m4
index 59d03da..9e7f1ee 100644
--- a/m4/ax_cc_maxopt.m4
+++ b/m4/ax_cc_maxopt.m4
@@ -149,7 +149,8 @@ if test "$ac_test_CFLAGS" != "set"; then
      CFLAGS="-O3 -fomit-frame-pointer"
 
      # -malign-double for x86 systems
-     AX_CHECK_COMPILE_FLAG(-malign-double, CFLAGS="$CFLAGS -malign-double")
+     # libffi local change -- don't align double, as it changes the ABI
+     # AX_CHECK_COMPILE_FLAG(-malign-double, CFLAGS="$CFLAGS -malign-double")
 
      #  -fstrict-aliasing for gcc-2.95+
      AX_CHECK_COMPILE_FLAG(-fstrict-aliasing,