https://llvm.org/bugs/show_bug.cgi?id=27077
Bug ID: 27077
Summary: trunk r264314 fails with polly: __multi3 is not
available in the i386 compiler-rt
Product: Polly
Version: unspecified
Hardware: PC
OS: All
Status: NEW
Severity: normal
Priority: P
Component: Other
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
i386 builds of ffmpeg trunk are failing to link when built with polly. They
are linking just fine without polly. x86_64 is fine.
LD ffmpeg_g
Undefined symbols for architecture i386:
"___multi3", referenced from:
_color_correlation_bgr in libavfilter.a(vf_dctdnoiz.o)
_color_correlation_rgb in libavfilter.a(vf_dctdnoiz.o)
ld: symbol(s) not found for architecture i386
clang: error: linker command failed with exit code 1 (use -v to see invocation)
make: *** [ffmpeg_g] Error 1
__multi3 is only available in the compiler runtime on x86_64 and on Snow
Leopard+. It is not on i386:
Looking at El Cap:
/usr/lib/system $ nm -arch i386 libcompiler_rt.dylib | grep multi3
0000588f S $ld$hide$os10.4$___multi3
00005890 S $ld$hide$os10.5$___multi3
/usr/lib/system $ nm -arch x86_64 libcompiler_rt.dylib | grep multi3
0000000000005c9f S $ld$hide$os10.4$___multi3
0000000000005ca0 S $ld$hide$os10.5$___multi3
0000000000004696 T ___multi3
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