From: Marat Radchenko <marat@slonopotamus.org>
To: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Cc: git@vger.kernel.org, gitster@pobox.com,
msysGit <msysgit@googlegroups.com>,
Ray Donnelly <mingw.android@gmail.com>,
marat@slonopotamus.org
Subject: Re: [PATCH 07/14] Fix BASIC_LDFLAGS and COMPAT_CFLAGS for 64bit MinGW-w64
Date: Tue, 14 Oct 2014 11:08:22 +0400 [thread overview]
Message-ID: <20141014070822.GA15460@seldon> (raw)
In-Reply-To: <alpine.DEB.1.00.1410092115100.990@s15462909.onlinehome-server.info>
On Thu, Oct 09, 2014 at 09:22:19PM +0200, Johannes Schindelin wrote:
> Hi,
>
> On Wed, 8 Oct 2014, Marat Radchenko wrote:
>
> > +CC_MACH := $(shell sh -c '$(CC) -dumpmachine 2>/dev/null || echo not')
>
> There is a rather huge problem with that. The latest mingw-w64 release,
> 4.9.1, does not do what you expect here: while '.../mingw32/bin/gcc -m32
> -o 32.exe test.c' and '.../mingw32/bin/gcc -m64 -o 64.exe test.c' work
> fine, producing i686 and x86_64 executables respectively,
> '.../mingw32/bin/gcc -dumpmachine' prints i686-w64-mingw32 *always*, even
> when specifying the -m64 option.
>
> So unfortunately, the test introduced by this patch (intended to figure
> out whether the build targets i686, and skip a compiler and a linker
> option otherwise) is incorrect.
According to [1], it is by design. For now, I suggest using separate
gcc binaries for 32/64, without messing with -m32. Of course we can
fallback to `./configure` that will determine bitness by compiling something.
[1] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52096#c1
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next prev parent reply other threads:[~2014-10-14 7:08 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-08 18:00 [PATCH v5] MinGW(-W64) compilation Marat Radchenko
2014-10-08 18:00 ` [PATCH 01/14] MINGW: compat/mingw.h: do not attempt to redefine lseek on mingw-w64 Marat Radchenko
2014-10-09 1:01 ` Erik Faye-Lund
2014-10-08 18:00 ` [PATCH 02/14] MSVC: config.mak.uname: drop -D__USE_MINGW_ACCESS from CFLAGS Marat Radchenko
2014-10-08 18:00 ` [PATCH 03/14] MINGW: compat/mingw.h: drop fork() definition Marat Radchenko
2014-10-08 18:00 ` [PATCH 04/14] MINGW: do not fail at redefining pid_t on MinGW-W64 Marat Radchenko
2014-10-08 18:00 ` [PATCH 05/14] MINGW: config.mak.uname: allow using cURL for non-msysGit builds Marat Radchenko
2014-10-08 18:00 ` [PATCH 06/14] MINGW: compat/winansi.c: do not redefine CONSOLE_FONT_INFOEX Marat Radchenko
2014-10-08 18:01 ` [PATCH 07/14] Fix BASIC_LDFLAGS and COMPAT_CFLAGS for 64bit MinGW-w64 Marat Radchenko
2014-10-08 19:24 ` Junio C Hamano
2014-10-09 19:22 ` Johannes Schindelin
2014-10-09 19:25 ` [msysGit] " Ray Donnelly
2014-10-09 19:47 ` Johannes Schindelin
2014-10-09 23:56 ` Ray Donnelly
2014-10-10 6:38 ` Johannes Schindelin
2014-10-10 10:55 ` Johannes Schindelin
2014-10-11 11:12 ` Johannes Schindelin
[not found] ` <CAOYw7dtSdR8GVYK2YrVjgQ7ZRExHjPBLCNQk7vchV66fx27xBw@mail.gmail.com>
2014-10-11 9:11 ` Johannes Schindelin
2014-10-14 7:08 ` Marat Radchenko [this message]
2014-10-08 18:01 ` [PATCH 08/14] MINGW: git-compat-util.h: use inttypes.h for printf macros Marat Radchenko
2014-10-08 19:25 ` Junio C Hamano
2014-10-08 18:01 ` [PATCH 09/14] MINGW: config.mak.uname: reorganize MinGW settings Marat Radchenko
2014-10-08 18:01 ` [PATCH 10/14] Makefile: introduce CROSS_COMPILE variable Marat Radchenko
2014-10-08 19:25 ` Junio C Hamano
2014-10-08 18:01 ` [PATCH 11/14] compat/nedmalloc/malloc.c.h: fix compilation under MinGW-W64 Marat Radchenko
2014-10-08 18:01 ` [PATCH 12/14] Fix pointer -> integer casts on IL32P64 systems Marat Radchenko
2014-10-08 18:01 ` [PATCH 13/14] git-compat-util.h: fix integer overflow " Marat Radchenko
2014-10-08 19:22 ` Junio C Hamano
2014-10-08 20:02 ` Junio C Hamano
2014-10-09 5:05 ` Marat Radchenko
2014-10-09 7:31 ` Junio C Hamano
2014-10-09 6:08 ` Johannes Schindelin
2014-10-08 18:01 ` [PATCH 14/14] MINGW: config.mak.uname: auto-detect MinGW build from compiler Marat Radchenko
2014-10-08 19:26 ` Junio C Hamano
2014-10-09 5:03 ` Marat Radchenko
2014-10-09 7:04 ` Johannes Schindelin
2014-10-09 7:34 ` Junio C Hamano
2014-10-09 7:38 ` [msysGit] " Johannes Schindelin
[not found] ` <CAPc5daUo+Fw2Oh3LK+0HJCmtVjicYk62qiQ2v8h8pitYHAZL3w@mail.gmail.com>
2014-10-09 10:18 ` Johannes Schindelin
[not found] ` <CAPc5daWdkz16RnORjtjw+oP3PO043Y57wAMm3TxC6L5GBJz8uQ@mail.gmail.com>
2014-10-09 15:49 ` Johannes Schindelin
2014-10-09 8:48 ` Marat Radchenko
2014-10-08 19:23 ` [PATCH v5] MinGW(-W64) compilation Junio C Hamano
2014-10-09 10:11 ` Johannes Schindelin
2014-10-09 10:39 ` Marat Radchenko
2014-10-09 10:59 ` Johannes Schindelin
-- strict thread matches above, loose matches on Subject: below --
2014-09-30 7:02 [PATCH v4] " Marat Radchenko
2014-09-30 7:02 ` [PATCH 07/14] Fix BASIC_LDFLAGS and COMPAT_CFLAGS for 64bit MinGW-w64 Marat Radchenko
2014-09-28 13:24 MinGW(-W64) compilation Marat Radchenko
2014-09-28 13:24 ` [PATCH 07/14] Fix BASIC_LDFLAGS and COMPAT_CFLAGS for 64bit MinGW-w64 Marat Radchenko
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