Interesting, so cygwin is reporting as UNIX to cmake but yasm needs to make win64 binaries for it to link.
On Nov 19, 2013, at 8:42 PM, [email protected] wrote: > I have deleted "elseif(UNIX)" branch and it has been built successfully in > Cygwin, thanks! > > if(X64) > set(ASM_FLAGS "-DARCH_X86_64=1 -m amd64 -DPIC") > if(APPLE) > set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ARG1 "-f macho64 -DPREFIX") > elseif(UNIX) does this work: elseif(UNIX AND NOT CYGWIN) > set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ARG1 "-f elf64") > else() > set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ARG1 "-f win64") > endif() > else() > set(ASM_FLAGS -DARCH_X86_64=0) > if(APPLE) > set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ARG1 "-f macho") > else() > set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ARG1 "-f win32 -DPREFIX") > endif() > endif() > > > On Tue, Nov 12, 2013 at 9:54 PM, chen <chenm003 at 163.com> wrote: > > > > > On Mon, Nov 11, 2013 at 8:51 PM, <idxa at sina.com> wrote: > > > >> Hi, > >> I have built x265 in cygwin using the following step, > >> 1. cd x265/build/linux > >> 2. ./make-Makefiles.bash > >> 3. make > >> > >> it shows: > >> Cannot export x265_cpu_cpuid: symbol not defined > >> Cannot export x265_cpu_cpuid_test: symbol not defined > >> Cannot export x265_cpu_emms: symbol not defined > >> ... > >> My question is how to modify to let x265 support cygwin? > >> > > > > We primarily support MinGW for GCC on Windows, but in all likely-hood > > cygwin could be made to work. > > > > Can you send me the full build log, particularly the cmake portion? For > > whatever reason cpu-a.asm isn't being linked into the static lib. > > > > Seems ABI problem, he use GCC makefile and Cygwin+Yasm use difference ABI > > > > > > good point. This might be a yasm command line flag issue, our cmake file > has: > if(X64) > set(ASM_FLAGS "-DARCH_X86_64=1 -m amd64 -DPIC") > if(APPLE) > set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ARG1 "-f macho64 -DPREFIX") > elseif(UNIX) > set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ARG1 "-f elf64") > else() > set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ARG1 "-f win64") > endif() > else() > set(ASM_FLAGS -DARCH_X86_64=0) > if(APPLE) > set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ARG1 "-f macho") > elseif(UNIX) > set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ARG1 "-f elf32") > else() > set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ARG1 "-f win32 -DPREFIX") > endif() > endif() > > I presume cygwin takes the UNIX path; but does elf64/elf32 link with cygwin > gcc compiled C++ code? I'm afraid it's been several years since I've used > cygwin. Msys has been a much saner environment for so long. > _______________________________________________ > x265-devel mailing list > [email protected] > https://mailman.videolan.org/listinfo/x265-devel
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