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Bug#771556: x265: FTBFS on powerpc



Source: x265
Version: 1.4-1
Severity: important

Let's record this so I don't forget: x265 failed to build on powerpc:
| /usr/bin/c++   -g -O2 -fstack-protector-strong -Wformat -Werror=format-security -D_FORTIFY_SOURCE=2    -Wl,-z,relro -Wl,--as-needed CMakeFiles/cli.dir/input/y4m.cpp.o CMakeFiles/cli.dir/input/yuv.cpp.o CMakeFiles/cli.dir/input/input.cpp.o CMakeFiles/cli.dir/output/y4m.cpp.o CMakeFiles/cli.dir/output/yuv.cpp.o CMakeFiles/cli.dir/output/output.cpp.o CMakeFiles/cli.dir/filters/filters.cpp.o CMakeFiles/cli.dir/x265.cpp.o  -o x265 -rdynamic libx265.so.35 -lpthread -lrt -Wl,-rpath,/«PKGBUILDDIR»/obj-powerpc-linux-gnu: 
| libx265.so.35: undefined reference to `__sync_val_compare_and_swap_8'
| libx265.so.35: undefined reference to `__sync_or_and_fetch_8'
| collect2: error: ld returned 1 exit status

https://buildd.debian.org/status/fetch.php?pkg=x265&arch=powerpc&ver=1.4-2&stamp=1417367767

powerpc porters, do you have any idea what the problem is? Are
__sync_val_compare_and_swap and __sync_or_and_fetch not supported on
powerpc?

Cheers
-- 
Sebastian Ramacher

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