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authorJan Hubicka <jh@suse.cz>2008-06-18 21:07:51 +0200
committerJan Hubicka <hubicka@gcc.gnu.org>2008-06-18 19:07:51 +0000
commita7bf199e10bfe7a3ce99d86421632711de48bcc3 (patch)
tree3173e61d1d42583002338162fcf951ee703f626f /gcc/c-opts.c
parent3f737aa91438a3586bca1452f1a5ee8de514a906 (diff)
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c-opts.c (c_common_post_options): PCH is not compatible with no-unit-at-a-time.
* c-opts.c (c_common_post_options): PCH is not compatible with no-unit-at-a-time. * opts.c (handle_options): Enable unit-at-a-time at O0 along with -fno-toplevel-reorder by default now. * gcc.dg/weak/weak-2.c: We no longer complain about incompatibilty. * gcc.dg/weak/weak-3.c: We no longer complain about incompatibilty. * gcc.dg/weak/weak-4.c: We no longer complain about incompatibilty. * gcc.dg/weak/weak-5.c: We no longer complain about incompatibilty. * gcc.dg/weak/weak-6.c: Fix thinko in previous change. * gcc.dg/weak/weak-7.c: Likewise. From-SVN: r136903
Diffstat (limited to 'gcc/c-opts.c')
-rw-r--r--gcc/c-opts.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/c-opts.c b/gcc/c-opts.c
index 2eef789..33d0e6b 100644
--- a/gcc/c-opts.c
+++ b/gcc/c-opts.c
@@ -1038,6 +1038,9 @@ c_common_post_options (const char **pfilename)
if (num_in_fnames > 1)
flag_unit_at_a_time = 1;
+ if (pch_file && !flag_unit_at_a_time)
+ sorry ("Precompiled headers require -funit-at-a-time");
+
/* Default to ObjC sjlj exception handling if NeXT runtime. */
if (flag_objc_sjlj_exceptions < 0)
flag_objc_sjlj_exceptions = flag_next_runtime;