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5939 :: Zig as C compiler for Nim. How to feed him the code

• SebastianM (orginal) [2020-02-17T09:46:00+01:00] view original

  Hi there,

  Some time ago I found zig lang. It also can be used as C compiler, so I thought that it would be great to try it with Nim.

  Anyone tried to use zig as c compiler for nim? Could you provide compilation steps?

  I used nim c hi.nim and tried to use generated c code with zig, but c code generated by nim has some parts that zig c compiler complains about. I removed the comments and some lines he pointed me to, but I don't want to destroy the file.

  Thank you

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• Araq (orginal) [2020-02-17T11:14:55+01:00] view original

  What's the point? We have a list of supported C compilers, use one of these.

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• juancarlospaco (orginal) [2020-02-18T12:30:33+01:00] view original

  So does GCC.

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• akavel (orginal) [2020-02-19T23:28:12+01:00] view original

  @SebastianM I tried it once, for experimental cross-compilation to ARM, seemed to work that one time for me. I don't think I have this exact configuration stored anywhere, but IIRC there's basically 2 steps to it:

  1. use nim.cfg to point Nim to a specific compiler
  2. provide appropriate flags to Zig

  I hope to try and come back at some point in future, but don't suspect this to be soon. As to compiler's complaints, try your luck at asking on Zig's IRC and/or reporting on their github, Andrew Kelley seems to listen and be very open to discussion and helping, though he also has a lot to do, so I'd say your chances are maybe kinda 50/50?

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• cumulonimbus (orginal) [2020-02-20T11:27:55+01:00] view original

  It's been a decade or so since I've used Windows, but IIRC at least one of cygwin/mingw32/mingw64 contained a linux cross compiler in the repository.

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• SebastianM (orginal) [2020-04-10T13:51:30+02:00] view original

  Hi there, Recently I've found that in Nim devel branch there have been added support for zig compiler.

  So i decided to give it another try. On Nim IRC I found that one of the users was able to compile to arm with

  ./nim_1_1_1/bin/nim --cpu:arm -d:danger --cc:zig --passC:"-target arm-linux-musleabi" --passL:"-target arm-linux-musleabi" c ./hi.nim

  It also works for me, but then i tried to use different target:

  ./nim_1_1_1/bin/nim --cpu:amd64 -d:danger --cc:zig --passC:"-target x86_64-linux-musl" --passL:"-target x86_64-linux-musl" c ./hi.nim

  It gives me huge log which I cut for clarity:

  ..[seba@sebapc Pobrane]$ ./nim_1_1_1/bin/nim --cpu:amd64 -d:danger --cc:zig --passC:"-target x86_64-linux-musl" --passL:"-target x86_64-linux-musl" c ./hi.nim Hint: used config file '/home/seba/Pobrane/nim_1_1_1/config/nim.cfg' [Conf] Hint: system [Processing] Hint: widestrs [Processing] Hint: io [Processing] Hint: hi [Processing] CC: stdlib_io.nim CC: stdlib_system.nim Compile C Objects [1/1] Compile C Objects [1/1] /home/seba/.cache/nim/hi_r/stdlib_system.nim.c:431:27: warning: type specifier missing, defaults to 'int' [-Wimplicit-int] static N_INLINE(NIM_BOOL, nimMulInt)(NI a, NI b, NI* res); 4 warnings and 11 errors generated.

  The following command failed:

  /tmp/.mount_zig1BPaLC/usr/bin/zig clang -c -nostdinc -fno-spell-checking -target x86_64-unknown-linux-musl -isystem /tmp/.mount_zig1BPaLC/usr/lib/zig/include -isystem /tmp/.mount_zig1BPaLC/usr/lib/zig/libc/include/x86_64-linux-musl -isystem /tmp/.mount_zig1BPaLC/usr/lib/zig/libc/include/generic-musl -isystem /tmp/.mount_zig1BPaLC/usr/lib/zig/libc/include/x86_64-linux-any -isystem /tmp/.mount_zig1BPaLC/usr/lib/zig/libc/include/any-linux-any -Xclang -target-cpu -Xclang x86-64 -Xclang -target-feature -Xclang -3dnow,-3dnowa,+64bit,-adx,-aes,-avx,-avx2,-avx512bf16,-avx512bitalg,-avx512bw,-avx512cd,-avx512dq,-avx512er,-avx512f,-avx512ifma,-avx512pf,-avx512vbmi,-avx512vbmi2,-avx512vl,-avx512vnni,-avx512vp2intersect,-avx512vpopcntdq,-bmi,-bmi2,-branchfusion,-cldemote,-clflushopt,-clwb,-clzero,+cmov,-cx16,+cx8,-enqcmd,-ermsb,-f16c,-false-deps-lzcnt-tzcnt,-false-deps-popcnt,-fast-11bytenop,-fast-15bytenop,-fast-bextr,-fast-gather,-fast-hops,-fast-lzcnt,-fast-scalar-fsqrt,-fast-scalar-shift-masks,-fast-shld-rotate,-fast-variable-shuffle,-fast-vector-fsqrt,-fast-vector-shift-masks,-fma,-fma4,-fsgsbase,+fxsr,-gfni,-idivl-to-divb,-idivq-to-divl,-invpcid,-lea-sp,-lea-uses-ag,-lwp,-lzcnt,+macrofusion,-merge-to-threeway-branch,+mmx,-movbe,-movdir64b,-movdiri,-mpx,-mwaitx,+nopl,-pad-short-functions,-pclmul,-pconfig,-pku,-popcnt,-prefer-128-bit,-prefer-256-bit,-prefer-mask-registers,-prefetchwt1,-prfchw,-ptwrite,-rdpid,-rdrnd,-rdseed,-retpoline,-retpoline-external-thunk,-retpoline-indirect-branches,-retpoline-indirect-calls,-rtm,-sahf,-sgx,-sha,-shstk,+slow-3ops-lea,+slow-incdec,-slow-lea,-slow-pmaddwd,-slow-pmulld,-slow-shld,-slow-two-mem-ops,-slow-unaligned-mem-16,-slow-unaligned-mem-32,-soft-float,+sse,-sse-unaligned-mem,+sse2,-sse3,-sse4.1,-sse4.2,-sse4a,-ssse3,-tbm,-use-aa,-use-glm-div-sqrt-costs,-vaes,-vpclmulqdq,+vzeroupper,-waitpkg,-wbnoinvd,+x87,-xop,-xsave,-xsavec,-xsaveopt,-xsaves -MD -MV -MF zig-cache/tmp/GcPEEjyi4MkR-stdlib_system.nim.o.d -fno-omit-frame-pointer -fsanitize=undefined -fsanitize-trap=undefined -D_DEBUG -Og -fstack-protector-strong --param ssp-buffer-size=4 -O3 -fno-ident -I/home/seba/Pobrane/nim_1_1_1/lib -I/home/seba/Pobrane -o zig-cache/tmp/GcPEEjyi4MkR-stdlib_system.nim.o /home/seba/.cache/nim/hi_r/stdlib_system.nim.c

  Error: execution of an external compiler program 'zig cc -c -target x86_64-linux-musl -O3 -fno-ident -I/home/seba/Pobrane/nim_1_3_1/lib -I/home/seba/Pobrane -o /home/seba/.cache/nim/hi_r/stdlib_system.nim.c.o /home/seba/.cache/nim/hi_r/stdlib_system.nim.c' failed with exit code: 1..

  What am I doing wrong? How should I fix it? Thank you

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