105 lines
2.5 KiB
Nix
105 lines
2.5 KiB
Nix
{
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lib,
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buildPlatform,
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hostPlatform,
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fetchurl,
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bash,
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gcc,
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binutils,
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findutils,
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gnumake,
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gnugrep,
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gnused,
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gnutar,
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gzip,
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linux-headers,
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libgcc,
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}:
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let
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inherit (import ./common.nix { inherit lib; }) pname meta;
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version = "1.2.6";
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src = fetchurl {
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url = "https://musl.libc.org/releases/musl-${version}.tar.gz";
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hash = "sha256-1YX9O2E8ZhUfwySejtRPdwIMtebB5jWmFtP5+CRgUSo=";
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};
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binutilsTargetPrefix = lib.optionalString (
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hostPlatform.config != buildPlatform.config
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) "${hostPlatform.config}-";
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in
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bash.runCommand "${pname}-${version}"
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{
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inherit pname version meta;
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nativeBuildInputs = [
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gcc
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binutils
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findutils
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gnumake
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gnused
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gnugrep
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gnutar
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gzip
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];
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passthru.tests.hello-world =
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result:
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bash.runCommand "${pname}-simple-program-${version}"
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{
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nativeBuildInputs = [
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gcc
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binutils
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result
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];
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}
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''
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cat <<EOF >> test.c
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#include <stdio.h>
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int main() {
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printf("Hello World!\n");
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return 0;
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}
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EOF
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musl-gcc -o test test.c
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./test
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mkdir $out
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'';
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}
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''
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# Unpack
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tar xzf ${src}
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cd musl-${version}
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# Patch
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# https://github.com/ZilchOS/bootstrap-from-tcc/blob/2e0c68c36b3437386f786d619bc9a16177f2e149/using-nix/2a3-intermediate-musl.nix
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sed -i 's|/bin/sh|${lib.getExe bash}|' \
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tools/*.sh
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# patch popen/system to search in PATH instead of hardcoding /bin/sh
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sed -i 's|posix_spawn(&pid, "/bin/sh",|posix_spawnp(\&pid, "sh",|' \
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src/stdio/popen.c src/process/system.c
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sed -i 's|execl("/bin/sh", "sh", "-c",|execlp("sh", "-c",|'\
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src/misc/wordexp.c
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# Configure
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export CC="${binutilsTargetPrefix}gcc -B${libgcc}/lib/gcc/${hostPlatform.config}/${libgcc.version} -Wl,-rpath,${libgcc}/lib/gcc/${hostPlatform.config}/${libgcc.version}"
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bash ./configure \
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--prefix=$out \
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--build=${buildPlatform.config} \
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--host=${hostPlatform.config} \
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--syslibdir=$out/lib
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# Build
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make -j $NIX_BUILD_CORES
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# Install
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make -j $NIX_BUILD_CORES install
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mkdir -p $out/bin
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ln -s ../lib/libc.so $out/bin/ldd
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ln -s $(ls -d ${linux-headers}/include/* | grep -v scsi\$) $out/include/
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# Strip
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# Ignore failures, because strip may fail on non-elf files.
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find $out/{bin,lib} -type f -exec ${binutilsTargetPrefix}strip --strip-debug {} + || true
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''
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