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[Qemu-commits] [qemu/qemu] 036999: optionrom: fix detection of -Wa, -32
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Subject: |
[Qemu-commits] [qemu/qemu] 036999: optionrom: fix detection of -Wa, -32 |
Date: |
Fri, 29 Jul 2016 06:30:03 -0700 |
Branch: refs/heads/master
Home: https://github.com/qemu/qemu
Commit: 036999e93e4913e29cd5fd751750677074e8747e
https://github.com/qemu/qemu/commit/036999e93e4913e29cd5fd751750677074e8747e
Author: Paolo Bonzini <address@hidden>
Date: 2016-07-29 (Fri, 29 Jul 2016)
Changed paths:
M pc-bios/optionrom/Makefile
M rules.mak
Log Message:
-----------
optionrom: fix detection of -Wa,-32
The cc-option macro runs $(CC) in -S mode (generate assembly) to avoid a
pointless run of the assembler. However, this does not work when you want
to detect support for cc->as option passthrough. clang ignores -Wa unless
-c is provided, and exits successfully even if the -Wa,-32 option is not
supported.
Reported-by: Stefan Hajnoczi <address@hidden>
Signed-off-by: Paolo Bonzini <address@hidden>
Message-id: address@hidden
Signed-off-by: Peter Maydell <address@hidden>
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