openbsd-ports/lang/gcc/4.6/patches/patch-gcc_opts_c
pascal 13f6a15732 Patch GCC and derived ports to use PIE by default on the same architectures it
is enabled on in base; except for gcc 3.3, which does not have PIE support and
therefore needs to pass -nopie to the linker.

Also, sync powerpc pthread specs with base.  From Brad.

ok naddy@
2012-09-01 00:00:32 +00:00

52 lines
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$OpenBSD: patch-gcc_opts_c,v 1.2 2012/09/01 00:00:32 pascal Exp $
--- gcc/opts.c.orig Thu Feb 17 23:51:57 2011
+++ gcc/opts.c Wed Aug 29 23:59:07 2012
@@ -43,6 +43,9 @@ along with GCC; see the file COPYING3. If not see
((strncmp (prefix, string, sizeof prefix - 1) == 0) \
? ((string += sizeof prefix - 1), 1) : 0)
+int warn_stack_larger_than;
+HOST_WIDE_INT stack_larger_than_size;
+
void
set_struct_debug_option (struct gcc_options *opts, location_t loc,
const char *spec)
@@ -477,8 +480,6 @@ static const struct default_options default_options_ta
{ OPT_LEVELS_2_PLUS, OPT_fschedule_insns2, NULL, 1 },
#endif
{ OPT_LEVELS_2_PLUS, OPT_fregmove, NULL, 1 },
- { OPT_LEVELS_2_PLUS, OPT_fstrict_aliasing, NULL, 1 },
- { OPT_LEVELS_2_PLUS, OPT_fstrict_overflow, NULL, 1 },
{ OPT_LEVELS_2_PLUS, OPT_freorder_blocks, NULL, 1 },
{ OPT_LEVELS_2_PLUS, OPT_freorder_functions, NULL, 1 },
{ OPT_LEVELS_2_PLUS, OPT_ftree_vrp, NULL, 1 },
@@ -494,6 +495,7 @@ static const struct default_options default_options_ta
{ OPT_LEVELS_2_PLUS, OPT_falign_functions, NULL, 1 },
/* -O3 optimizations. */
+ { OPT_LEVELS_3_PLUS, OPT_fstrict_aliasing, NULL, 1 },
{ OPT_LEVELS_3_PLUS, OPT_ftree_loop_distribute_patterns, NULL, 1 },
{ OPT_LEVELS_3_PLUS, OPT_fpredictive_commoning, NULL, 1 },
/* Inlining of functions reducing size is a good idea with -Os
@@ -691,6 +693,8 @@ finish_options (struct gcc_options *opts, struct gcc_o
if (!opts->x_flag_opts_finished)
{
+ if (opts->x_flag_pic || opts->x_profile_flag)
+ opts->x_flag_pie = 0;
if (opts->x_flag_pie)
opts->x_flag_pic = opts->x_flag_pie;
if (opts->x_flag_pic && !opts->x_flag_pie)
@@ -1411,6 +1415,11 @@ common_handle_option (struct gcc_options *opts,
case OPT_Wframe_larger_than_:
opts->x_frame_larger_than_size = value;
opts->x_warn_frame_larger_than = value != -1;
+ break;
+
+ case OPT_Wstack_larger_than_:
+ stack_larger_than_size = value;
+ warn_stack_larger_than = stack_larger_than_size != -1;
break;
case OPT_Wstrict_aliasing: