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Re: [PATCH] Fix mingw32 bootstrap regression.
- From: Christopher Faylor <me at cgf dot cx>
- To: cgf at gcc dot gnu dot org, 'Mark Mitchell' <mark at codesourcery dot com>, Danny Smith <dannysmith at clear dot net dot nz>, 'Bob Rossi' <bob_rossi at cox dot net>, gcc-patches at gcc dot gnu dot org, 'Carlos O'Donell' <carlos at codesourcery dot com>
- Date: Thu, 21 Dec 2006 07:03:04 -0500
- Subject: Re: [PATCH] Fix mingw32 bootstrap regression.
- References: <20061220163920.GF14845@lios> <000001c724d7$6fee5f50$3b6d65da@anykey>
On Thu, Dec 21, 2006 at 09:10:05PM +1300, Danny Smith wrote:
>Carlos O'Donell wrote:
>
>> The following patch fixes the boostrap regression for mingw32.
>>
>> We only do the substitution if the path prefix matches the configured
>> prefix, otherwise we add the path as before (instead of asserting).
>>
>> To bootstrap a mingw32 toolchain you use either msys or
>> cygwin. Both of
>> these environments build gcc with cygwin style paths.
>
>I did not notice the regression.
>
>Using cygwin bash, I do this:
>
>mount c:/mingw /mingw
>
>Then, using cygwin bash, "configure --prefix=/mingw ... " in a dir on
>C: drive, just works, because the native path is identical to the cygwin
>path.
>
>> Therefore --prefix
>> is "/c/mingw" while the compiler, a native mingw32 executable, thinks
>> the prefix is "c:/mingw". A simple string comparison does not work.
>>
>> Danny, Christopher, Do you see anything else that might be a
>> problem on
>> mingw?
><snip>
>> 2006-12-19 Carlos O'Donell <carlos@codesourcery.com>
>>
>> PR bootstrap/30242
>> * gcc/c-incpath.c (add_standard_paths): Only relocate
>> paths that
>> begin with the configured prefix.
>>
>
>mingw bootstraps for me before the patch and after. The patch is OK
>with me.
I'll defer to Danny on this one. If he says it is ok, then go ahead
and check it in.
cgf