Bug#93481: marked as done (pragma pack works on x86; ignored on arm)
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From: Ben Darnell <bgdarnel@debian.org>
To: Debian Bug Tracking System <submit@bugs.debian.org>
Subject: pragma pack works on x86; ignored on arm
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Date: Mon, 09 Apr 2001 22:37:08 -0400
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Sender: Ben Darnell <bgdarnel@tecumseh2.dyn.dhs.org>
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Package: gcc
Version: 1:2.95.3-7
Severity: normal
Pragma pack works as expected on x86, but is ignored on arm (test case at the
end of this mail, verified on rameau.debian.org). I understand that pragmas
are deprecated in favor of __attribute__, but this breaks quite a bit of
existing code (see, for example, bug #91911). I think this should at
least be consistent across all platforms supported by Debian.
Thanks,
-Ben
#pragma pack(2)
struct foo {
short a;
long b;
};
int main() {
/* prints 6 on x86, 8 on arm */
printf("%d\n", sizeof(struct foo));
return 0;
};
-- System Information
Debian Release: testing/unstable
Architecture: i386
Kernel: Linux bgdarnel 2.4.1 #10 Fri Feb 23 14:57:57 EST 2001 i686
Versions of packages gcc depends on:
ii cpp 1:2.95.3-7 The GNU C preprocessor.
ii cpp-2.95 1:2.95.3-10 The GNU C preprocessor.
ii gcc-2.95 1:2.95.3-10 The GNU C compiler.
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>From philb@gnu.org Wed Apr 18 07:52:09 2001
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Date: Wed, 18 Apr 2001 13:52:03 +0100
From: Philip Blundell <philb@gnu.org>
Message-Id: <E14prRD-0004m6-00@kings-cross.london.uk.eu.org>
Delivered-To: 93481-done@bugs.debian.org
This isn't a bug in GCC.
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