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configure: Enable -Qansi-alias for icl 14+

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Qansi-alias worked on 12.x, then caused miscompilation on 13.x, but now
works again passing all FATE tests for icl version 14.

Signed-off-by: Diego Biurrun <diego@biurrun.de>
This commit is contained in:
Alex Smith 2013-09-24 04:30:38 -04:00 committed by Diego Biurrun
parent 8812a8057f
commit d6d27f3e58
1 changed files with 4 additions and 2 deletions
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6
configure vendored
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@ -4021,8 +4021,10 @@ elif enabled_any msvc icl; then
enabled debug && add_ldflags -debug
enable pragma_deprecated
if enabled icl; then
# basically -fstrict-aliasing that does not work (correctly) on icl 13.x
check_cpp_condition "windows.h" "__ICL < 1300" && add_cflags -Qansi-alias
# -Qansi-alias is basically -fstrict-aliasing, but does not work
# (correctly) on icl 13.x.
check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
add_cflags -Qansi-alias
# icl will pass the inline asm tests but inline asm is currently
# not supported (build will fail)
disable inline_asm