diff options
Diffstat (limited to 'nixpkgs/pkgs/os-specific/linux/musl/default.nix')
| -rw-r--r-- | nixpkgs/pkgs/os-specific/linux/musl/default.nix | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/os-specific/linux/musl/default.nix b/nixpkgs/pkgs/os-specific/linux/musl/default.nix new file mode 100644 index 000000000000..6137a5942c26 --- /dev/null +++ b/nixpkgs/pkgs/os-specific/linux/musl/default.nix @@ -0,0 +1,141 @@ +{ stdenv, lib, fetchurl +, linuxHeaders ? null +, useBSDCompatHeaders ? true +}: +let + cdefs_h = fetchurl { + url = "http://git.alpinelinux.org/cgit/aports/plain/main/libc-dev/sys-cdefs.h"; + sha256 = "16l3dqnfq0f20rzbkhc38v74nqcsh9n3f343bpczqq8b1rz6vfrh"; + }; + queue_h = fetchurl { + url = "http://git.alpinelinux.org/cgit/aports/plain/main/libc-dev/sys-queue.h"; + sha256 = "12qm82id7zys92a1qh2l1qf2wqgq6jr4qlbjmqyfffz3s3nhfd61"; + }; + tree_h = fetchurl { + url = "http://git.alpinelinux.org/cgit/aports/plain/main/libc-dev/sys-tree.h"; + sha256 = "14igk6k00bnpfw660qhswagyhvr0gfqg4q55dxvaaq7ikfkrir71"; + }; + + # iconv tool, implemented by musl author. + # Original: http://git.etalabs.net/cgit/noxcuse/plain/src/iconv.c?id=02d288d89683e99fd18fe9f54d4e731a6c474a4f + # We use copy from Alpine which fixes error messages, see: + # https://git.alpinelinux.org/cgit/aports/commit/main/musl/iconv.c?id=a3d97e95f766c9c378194ee49361b375f093b26f + iconv_c = fetchurl { + name = "iconv.c"; + url = "https://git.alpinelinux.org/cgit/aports/plain/main/musl/iconv.c?id=a3d97e95f766c9c378194ee49361b375f093b26f"; + sha256 = "1mzxnc2ncq8lw9x6n7p00fvfklc9p3wfv28m68j0dfz5l8q2k6pp"; + }; + +in +stdenv.mkDerivation rec { + name = "musl-${version}"; + version = "1.1.20"; + + src = fetchurl { + url = "https://www.musl-libc.org/releases/musl-${version}.tar.gz"; + sha256 = "0q8dsjxl41dccscv9a0r78bs7jap57mn4mni5pwbbip6s1qqggj4"; + }; + + enableParallelBuilding = true; + + # Disable auto-adding stack protector flags, + # so musl can selectively disable as needed + hardeningDisable = [ "stackprotector" ]; + + # Leave these, be friendlier to debuggers/perf tools + # Don't force them on, but don't force off either + postPatch = '' + substituteInPlace configure \ + --replace -fno-unwind-tables "" \ + --replace -fno-asynchronous-unwind-tables "" + ''; + + patches = [ + # Minor touchup to build system making dynamic linker symlink relative + (fetchurl { + url = https://raw.githubusercontent.com/openwrt/openwrt/87606e25afac6776d1bbc67ed284434ec5a832b4/toolchain/musl/patches/300-relative.patch; + sha256 = "0hfadrycb60sm6hb6by4ycgaqc9sgrhh42k39v8xpmcvdzxrsq2n"; + }) + # Upstream bugfix, see: https://git.musl-libc.org/cgit/musl/commit/?id=0db393d3a77bb9f300a356c6a5484fc2dddb161d + # Explicitly flagged for inclusion by distributions using musl + ./fix-file-locking-race.patch + # More specific error reporting + ./tty-more-precise-errors.patch + # Use execveat to impl fexecve when avail (useful for containers) + ./fexecve-execveat.patch + # improve behavior in few cases + ./0001-in-pthread_mutex_trylock-EBUSY-out-more-directly-whe.patch + ./0002-in-pthread_mutex_timedlock-avoid-repeatedly-reading-.patch + ./0003-fix-namespace-violation-for-c11-mutex-functions.patch + # Fix getaddrinfo usage encountered sometimes in containers + ./fix-getaddrinfo-regression-with-AI_ADDRCONFIG.patch + # name_to_handle_at + ./name-to-handle-at.patch + ./max-handle-sz-for-name-to-handle-at.patch + # stacksize bump (upstream) + ./stacksize-bump.patch + ]; + preConfigure = '' + configureFlagsArray+=("--syslibdir=$out/lib") + ''; + + CFLAGS = [ "-fstack-protector-strong" ] + ++ lib.optional stdenv.hostPlatform.isPower "-mlong-double-64"; + + configureFlags = [ + "--enable-shared" + "--enable-static" + "--enable-debug" + "--enable-wrapper=all" + ]; + + outputs = [ "out" "dev" ]; + + dontDisableStatic = true; + separateDebugInfo = true; + + NIX_DONT_SET_RPATH = true; + + postInstall = '' + # Not sure why, but link in all but scsi directory as that's what uclibc/glibc do. + # Apparently glibc provides scsi itself? + (cd $dev/include && ln -s $(ls -d ${linuxHeaders}/include/* | grep -v "scsi$") .) + + # Strip debug out of the static library + $STRIP -S $out/lib/libc.a + mkdir -p $out/bin + + # Create 'ldd' symlink, builtin + ln -rs $out/lib/libc.so $out/bin/ldd + + # (impure) cc wrapper around musl for interactive usuage + for i in musl-gcc musl-clang ld.musl-clang; do + moveToOutput bin/$i $dev + done + moveToOutput lib/musl-gcc.specs $dev + substituteInPlace $dev/bin/musl-gcc \ + --replace $out/lib/musl-gcc.specs $dev/lib/musl-gcc.specs + + # provide 'iconv' utility, using just-built headers, libc/ldso + $CC ${iconv_c} -o $out/bin/iconv \ + -I$dev/include \ + -L$out/lib -Wl,-rpath=$out/lib \ + -lc \ + -B $out/lib \ + -Wl,-dynamic-linker=$(ls $out/lib/ld-*) + '' + lib.optionalString useBSDCompatHeaders '' + install -D ${queue_h} $dev/include/sys/queue.h + install -D ${cdefs_h} $dev/include/sys/cdefs.h + install -D ${tree_h} $dev/include/sys/tree.h + ''; + + passthru.linuxHeaders = linuxHeaders; + + meta = { + description = "An efficient, small, quality libc implementation"; + homepage = "http://www.musl-libc.org"; + license = lib.licenses.mit; + platforms = lib.platforms.linux; + maintainers = [ lib.maintainers.thoughtpolice ]; + }; +} |