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Re: [PATCH] Precompiled header support on Cygwin
- From: Geoff Keating <geoffk at geoffk dot org>
- To: Earl Chew <earl_chew at agilent dot com>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: 09 Jul 2003 11:44:05 -0700
- Subject: Re: [PATCH] Precompiled header support on Cygwin
- References: <3F0C4BA5.2010802@agilent.com>
Earl Chew <earl_chew@agilent.com> writes:
> This patch detects extra alignment and file sizing requirements to
> enable precompiled header support on Cygwin.
>
> Reliable collaboration between the two mmap() calls
> (gt_pch_save and the subsequent gt_pch_restore) requires use
> of Cygwin mmap.cc 1.78 or later.
>
> I've tested this on i386-pc-cygwin.
This is OK. Can you commit it?
> 2003-07-09 Earl Chew <earl_chew@agilent.com>
>
> * aclocal.m4: Add new macro to detect Win32 GetSystemInfo
> * configure.in: Detect Win32 GetSystemInfo
> * ggc-common.c (gt_pch_save): Perform extra alignment actions
> to allow Cygwin mmap() to succeed both here and later in
> during gt_pch_restore
--
- Geoffrey Keating <geoffk@geoffk.org>