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Re: [PATCH] Temporarily revert Steven's PCH changes for 4.8 (PR pch/54117)
On Thu, Feb 14, 2013 at 12:41:30AM +0100, Steven Bosscher wrote:
> > I agree with David that it might be better to give up pch.
> That'd be a really a good start.
You can do it with say following patch instead, PCH is just a compile time
optimization, so for -gstabs IMHO it is just fine if we just give up.
--- gcc/c-family/c-opts.c.jj 2013-02-13 23:48:14.000000000 +0100
+++ gcc/c-family/c-opts.c 2013-02-14 00:41:05.325625590 +0100
@@ -943,8 +943,11 @@ c_common_post_options (const char **pfil
/* When writing a PCH file, avoid reading some other PCH file,
because the default address space slot then can't be used
- for the output PCH file. */
- if (pch_file)
+ for the output PCH file. Also, avoid reading PCH files when
+ debug info in format other than DWARF is requested. */
+ if (pch_file
+ || (write_symbols != NO_DEBUG
+ && write_symbols != DWARF2_DEBUG))
/* Yuk. WTF is this? I do know ObjC relies on it somewhere. */