d0677e6d45
This adds a warning to the top of each “boot” package that reads: Note: this package is used for bootstrapping fetchurl, and thus cannot use fetchpatch! All mutable patches (generated by GitHub or cgit) that are needed here should be included directly in Nixpkgs as files. This makes it clear to maintainer that they may need to treat this package a little differently than others. Importantly, we can’t use fetchpatch here due to using <nix/fetchurl.nix>. To avoid having stale hashes, we need to include patches that are subject to changing overtime (for instance, gitweb’s patches contain a version number at the bottom).
257 lines
8.6 KiB
Nix
257 lines
8.6 KiB
Nix
/* Build configuration used to build glibc, Info files, and locale
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information.
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Note that this derivation has multiple outputs and does not respect the
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standard convention of putting the executables into the first output. The
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first output is `lib` so that the libraries provided by this derivation
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can be accessed directly, e.g.
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"${pkgs.glibc}/lib/ld-linux-x86_64.so.2"
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The executables are put into `bin` output and need to be referenced via
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the `bin` attribute of the main package, e.g.
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"${pkgs.glibc.bin}/bin/ldd".
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The executables provided by glibc typically include `ldd`, `locale`, `iconv`
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but the exact set depends on the library version and the configuration.
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*/
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# Note: this package is used for bootstrapping fetchurl, and thus
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# cannot use fetchpatch! All mutable patches (generated by GitHub or
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# cgit) that are needed here should be included directly in Nixpkgs as
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# files.
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{ stdenv, lib
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, buildPackages
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, fetchurl
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, linuxHeaders ? null
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, gd ? null, libpng ? null
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, libidn2
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, bison
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, python3Minimal
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}:
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{ name
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, withLinuxHeaders ? false
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, profilingLibraries ? false
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, withGd ? false
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, meta
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, ...
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} @ args:
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let
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version = "2.31";
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patchSuffix = "";
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sha256 = "05zxkyz9bv3j9h0xyid1rhvh3klhsmrpkf3bcs6frvlgyr2gwilj";
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in
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assert withLinuxHeaders -> linuxHeaders != null;
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assert withGd -> gd != null && libpng != null;
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stdenv.mkDerivation ({
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inherit version;
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linuxHeaders = if withLinuxHeaders then linuxHeaders else null;
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inherit (stdenv) is64bit;
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enableParallelBuilding = true;
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patches =
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[
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/* Have rpcgen(1) look for cpp(1) in $PATH. */
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./rpcgen-path.patch
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/* Allow NixOS and Nix to handle the locale-archive. */
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./nix-locale-archive.patch
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/* Don't use /etc/ld.so.cache, for non-NixOS systems. */
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./dont-use-system-ld-so-cache.patch
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/* Don't use /etc/ld.so.preload, but /etc/ld-nix.so.preload. */
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./dont-use-system-ld-so-preload.patch
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/* The command "getconf CS_PATH" returns the default search path
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"/bin:/usr/bin", which is inappropriate on NixOS machines. This
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patch extends the search path by "/run/current-system/sw/bin". */
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./fix_path_attribute_in_getconf.patch
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/* Allow running with RHEL 6 -like kernels. The patch adds an exception
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for glibc to accept 2.6.32 and to tag the ELFs as 2.6.32-compatible
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(otherwise the loader would refuse libc).
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Note that glibc will fully work only on their heavily patched kernels
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and we lose early mismatch detection on 2.6.32.
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On major glibc updates we should check that the patched kernel supports
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all the required features. ATM it's verified up to glibc-2.26-131.
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# HOWTO: check glibc sources for changes in kernel requirements
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git log -p glibc-2.25.. sysdeps/unix/sysv/linux/x86_64/kernel-features.h sysdeps/unix/sysv/linux/kernel-features.h
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# get kernel sources (update the URL)
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mkdir tmp && cd tmp
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curl http://vault.centos.org/6.9/os/Source/SPackages/kernel-2.6.32-696.el6.src.rpm | rpm2cpio - | cpio -idmv
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tar xf linux-*.bz2
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# check syscall presence, for example
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less linux-*?/arch/x86/kernel/syscall_table_32.S
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*/
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./allow-kernel-2.6.32.patch
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/* Provide a fallback for missing prlimit64 syscall on RHEL 6 -like
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kernels.
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This patch is maintained by @veprbl. If it gives you trouble, feel
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free to ping me, I'd be happy to help.
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*/
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(fetchurl {
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url = "https://git.savannah.gnu.org/cgit/guix.git/plain/gnu/packages/patches/glibc-reinstate-prlimit64-fallback.patch?id=eab07e78b691ae7866267fc04d31c7c3ad6b0eeb";
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sha256 = "091bk3kyrx1gc380gryrxjzgcmh1ajcj8s2rjhp2d2yzd5mpd5ps";
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})
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/* Provide utf-8 locales by default, so we can use it in stdenv without depending on our large locale-archive. */
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(fetchurl {
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url = "https://salsa.debian.org/glibc-team/glibc/raw/49767c9f7de4828220b691b29de0baf60d8a54ec/debian/patches/localedata/locale-C.diff";
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sha256 = "0irj60hs2i91ilwg5w7sqrxb695c93xg0ik7yhhq9irprd7fidn4";
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})
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./fix-x64-abi.patch
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./2.30-cve-2020-1752.patch
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./2.31-cve-2020-10029.patch
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]
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++ lib.optional stdenv.hostPlatform.isMusl ./fix-rpc-types-musl-conflicts.patch
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++ lib.optional stdenv.buildPlatform.isDarwin ./darwin-cross-build.patch;
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postPatch =
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''
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# Needed for glibc to build with the gnumake 3.82
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# http://comments.gmane.org/gmane.linux.lfs.support/31227
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sed -i 's/ot \$/ot:\n\ttouch $@\n$/' manual/Makefile
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# nscd needs libgcc, and we don't want it dynamically linked
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# because we don't want it to depend on bootstrap-tools libs.
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echo "LDFLAGS-nscd += -static-libgcc" >> nscd/Makefile
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''
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# FIXME: find a solution for infinite recursion in cross builds.
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# For now it's hopefully acceptable that IDN from libc doesn't reliably work.
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+ lib.optionalString (stdenv.hostPlatform == stdenv.buildPlatform) ''
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# Ensure that libidn2 is found.
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patch -p 1 <<EOF
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--- a/inet/idna.c
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+++ b/inet/idna.c
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@@ -25,1 +25,1 @@
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-#define LIBIDN2_SONAME "libidn2.so.0"
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+#define LIBIDN2_SONAME "${lib.getLib libidn2}/lib/libidn2.so.0"
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EOF
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'';
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configureFlags =
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[ "-C"
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"--enable-add-ons"
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"--enable-obsolete-nsl"
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"--enable-obsolete-rpc"
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"--sysconfdir=/etc"
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"--enable-stackguard-randomization"
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(lib.withFeatureAs withLinuxHeaders "headers" "${linuxHeaders}/include")
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(lib.enableFeature profilingLibraries "profile")
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] ++ lib.optionals withLinuxHeaders [
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"--enable-kernel=3.2.0" # can't get below with glibc >= 2.26
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] ++ lib.optionals (stdenv.hostPlatform != stdenv.buildPlatform) [
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(lib.flip lib.withFeature "fp"
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(stdenv.hostPlatform.platform.gcc.float or (stdenv.hostPlatform.parsed.abi.float or "hard") == "soft"))
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"--with-__thread"
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] ++ lib.optionals (stdenv.hostPlatform == stdenv.buildPlatform && stdenv.hostPlatform.isAarch32) [
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"--host=arm-linux-gnueabi"
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"--build=arm-linux-gnueabi"
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# To avoid linking with -lgcc_s (dynamic link)
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# so the glibc does not depend on its compiler store path
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"libc_cv_as_needed=no"
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] ++ lib.optional withGd "--with-gd";
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installFlags = [ "sysconfdir=$(out)/etc" ];
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outputs = [ "out" "bin" "dev" "static" ];
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depsBuildBuild = [ buildPackages.stdenv.cc ];
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nativeBuildInputs = [ bison python3Minimal ];
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buildInputs = [ linuxHeaders ] ++ lib.optionals withGd [ gd libpng ];
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# Needed to install share/zoneinfo/zone.tab. Set to impure /bin/sh to
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# prevent a retained dependency on the bootstrap tools in the stdenv-linux
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# bootstrap.
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BASH_SHELL = "/bin/sh";
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passthru = { inherit version; };
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}
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// (removeAttrs args [ "withLinuxHeaders" "withGd" ]) //
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{
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name = name + "-${version}${patchSuffix}";
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src = fetchurl {
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url = "mirror://gnu/glibc/glibc-${version}.tar.xz";
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inherit sha256;
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};
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# Remove absolute paths from `configure' & co.; build out-of-tree.
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preConfigure = ''
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export PWD_P=$(type -tP pwd)
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for i in configure io/ftwtest-sh; do
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# Can't use substituteInPlace here because replace hasn't been
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# built yet in the bootstrap.
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sed -i "$i" -e "s^/bin/pwd^$PWD_P^g"
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done
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mkdir ../build
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cd ../build
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configureScript="`pwd`/../$sourceRoot/configure"
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${lib.optionalString (stdenv.cc.libc != null)
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''makeFlags="$makeFlags BUILD_LDFLAGS=-Wl,-rpath,${stdenv.cc.libc}/lib"''
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}
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'' + lib.optionalString (stdenv.hostPlatform != stdenv.buildPlatform) ''
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sed -i s/-lgcc_eh//g "../$sourceRoot/Makeconfig"
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cat > config.cache << "EOF"
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libc_cv_forced_unwind=yes
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libc_cv_c_cleanup=yes
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libc_cv_gnu89_inline=yes
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EOF
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'';
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preBuild = lib.optionalString withGd "unset NIX_DONT_SET_RPATH";
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doCheck = false; # fails
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meta = {
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homepage = "https://www.gnu.org/software/libc/";
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description = "The GNU C Library";
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longDescription =
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'' Any Unix-like operating system needs a C library: the library which
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defines the "system calls" and other basic facilities such as
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open, malloc, printf, exit...
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The GNU C library is used as the C library in the GNU system and
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most systems with the Linux kernel.
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'';
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license = lib.licenses.lgpl2Plus;
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maintainers = [ lib.maintainers.eelco ];
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platforms = lib.platforms.linux;
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} // meta;
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}
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// lib.optionalAttrs (stdenv.hostPlatform != stdenv.buildPlatform) {
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preInstall = null; # clobber the native hook
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# To avoid a dependency on the build system 'bash'.
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preFixup = ''
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rm -f $bin/bin/{ldd,tzselect,catchsegv,xtrace}
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'';
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})
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