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[build,mingw32] Build compiler with -D__USE_MINGW_ACCESS so that it works on Vista

From: "François-Xavier Coudert" <fxcoudert at gmail dot com>
To: gcc-patches <gcc-patches at gcc dot gnu dot org>
Cc: "Danny Smith" <dannysmith at clear dot net dot nz>, cgf at gcc dot gnu dot org
Date: Thu, 6 Sep 2007 10:55:54 +0100
Subject: [build,mingw32] Build compiler with -D__USE_MINGW_ACCESS so that it works on Vista

The Windows access() function changed behaviour with Vista: instead of
ignoring X_OK (Windows doesn't check for execute permission), it now
causes an invalid parameter error. This in turns can cause weird
errors (see PR). Danny is the author of the PR analysis and indicated
that building the compiler with -D__USE_MINGW_ACCESS solves this
problem.

This patch does exactly this, by adding a host makefile fragment for
mingw. This fixes the reporter's problem, and was bootstrapped on
i386-pc-mingw32.

OK to commit?

FX

Attachment: pr33281.ChangeLog
Description: Binary data

Attachment: pr33281.diff
Description: Binary data

Follow-Ups:
- RE: [build,mingw32] Build compiler with -D__USE_MINGW_ACCESS so that it works on Vista
  - From: Danny Smith

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