38 lines
670 B
Nix
38 lines
670 B
Nix
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# binfmt preserve-argv[0] wrapper
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#
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# More details in binfmt-p-wrapper.c
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#
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# The wrapper has to be static so LD_* environment variables
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# cannot affect the execution of the wrapper itself.
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{
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lib,
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stdenv,
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enableDebug ? false,
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}:
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name: emulator:
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stdenv.mkDerivation {
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inherit name;
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src = ./binfmt-p-wrapper.c;
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dontUnpack = true;
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dontInstall = true;
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buildInputs = [ stdenv.cc.libc.static or null ];
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buildPhase = ''
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runHook preBuild
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mkdir -p $out/bin
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$CC -o $out/bin/${name} -static -std=c99 -O2 \
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-DTARGET_QEMU=\"${emulator}\" \
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${lib.optionalString enableDebug "-DDEBUG"} \
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$src
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runHook postBuild
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'';
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}
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