[patch #8321] Fix ax_ext.m4 when AX_GCC_X86_CPUID(0x00000001) returns 'unknown'
anonymous <[email protected]>
| Newsgroups | gmane.comp.sysutils.autoconf.archive-maintainers |
|---|---|
| Message-ID | <[email protected]> |
URL:
<http://savannah.gnu.org/patch/?8321>
Summary: Fix ax_ext.m4 when AX_GCC_X86_CPUID(0x00000001)
returns 'unknown'
Project: GNU Autoconf Archive
Submitted by: None
Submitted on: Sat 22 Feb 2014 04:06:29 PM UTC
Priority: 5 - Normal
Status: None
Assigned to: None
Originator Email: [email protected]
Open/Closed: Open
Discussion Lock: Any
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Details:
On platforms where
AX_GCC_X86_CPUID(0x00000001)
returns 'unknown', the AX_EXT macro would currently break configure with an
error:
[eg see https://pm.bsc.es/projects/mcxx/ticket/1201]
checking for x86 cpuid output... unknown
checking for x86 cpuid 0x00000001 output... unknown
checking whether mmx is supported... ../mcxx/configure: 0xunknown: value too
great for base (error token is "0xunknown")
The fix is trivial, simply handle the special return value 'unknown'
properly.
The attached patch implements this [taken from
https://pm.bsc.es/projects/mcxx/ticket/1201
https://pm.bsc.es/projects/mcxx/changeset/12fd7dc2ac9336fdd296e117165daba4bb2dcdac]
I have verified that this patch fixes the problem.
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File Attachments:
-------------------------------------------------------
Date: Sat 22 Feb 2014 04:06:29 PM UTC Name:
changeset_12fd7dc2ac9336fdd296e117165daba4bb2dcdac.diff Size: 722B By: None
<http://savannah.gnu.org/patch/download.php?file_id=30638>
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