mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-11-28 08:31:59 +00:00
234 lines
7.4 KiB
Nix
234 lines
7.4 KiB
Nix
/* Build configuration used to build glibc, Info files, and locale
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information. */
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{ stdenv, lib
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, buildPlatform, hostPlatform
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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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}:
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{ name
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, withLinuxHeaders ? false
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, profilingLibraries ? false
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, installLocales ? 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 = "2.26";
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patchSuffix = "-115";
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sha256 = "1ggnj1hzjym7sn93rbwydcqd562q73lsb7g7kd199g6j9j9hlkp5";
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cross = if buildPlatform != hostPlatform then hostPlatform else null;
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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 installLocales;
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linuxHeaders = if withLinuxHeaders then linuxHeaders else null;
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# The host/target system.
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crossConfig = if cross != null then cross.config 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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/* No tarballs for stable upstream branch, only https://sourceware.org/git/?p=glibc.git
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$ git co release/2.25/master; git describe
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glibc-2.25-49-gbc5ace67fe
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$ git show --reverse glibc-2.25..release/2.25/master | gzip -n -9 --rsyncable - > 2.25-49.patch.gz
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*/
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./2.26-75.patch.gz
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./2.26-75to115.diff.gz
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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-2.26-115.
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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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]
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++ lib.optional stdenv.isx86_64 ./fix-x64-abi.patch;
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postPatch =
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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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''
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sed -i 's/ot \$/ot:\n\ttouch $@\n$/' manual/Makefile
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''
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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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+ ''
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echo "LDFLAGS-nscd += -static-libgcc" >> nscd/Makefile
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''
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# Replace the date and time in nscd by a prefix of $out.
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# It is used as a protocol compatibility check.
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# Note: the size of the struct changes, but using only a part
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# would break hash-rewriting. When receiving stats it does check
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# that the struct sizes match and can't cause overflow or something.
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+ ''
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cat ${./glibc-remove-datetime-from-nscd.patch} \
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| sed "s,@out@,$out," | patch -p1
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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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(if withLinuxHeaders
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then "--with-headers=${linuxHeaders}/include"
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else "--without-headers")
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(if profilingLibraries
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then "--enable-profile"
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else "--disable-profile")
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] ++ lib.optionals withLinuxHeaders [
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"--enable-kernel=3.2.0" # can't get below with glibc >= 2.26
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] ++ lib.optionals (cross != null) [
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(if cross.withTLS then "--with-tls" else "--without-tls")
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(if cross ? float && cross.float == "soft" then "--without-fp" else "--with-fp")
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] ++ lib.optionals (cross != null) [
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"--with-__thread"
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] ++ lib.optionals (cross == null && stdenv.isArm) [
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"--host=arm-linux-gnueabi"
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"--build=arm-linux-gnueabi"
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# To avoid linking with -lgcc_s (dynamic link)
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# so the glibc does not depend on its compiler store path
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"libc_cv_as_needed=no"
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] ++ lib.optional withGd "--with-gd";
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installFlags = [ "sysconfdir=$(out)/etc" ];
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outputs = [ "out" "bin" "dev" "static" ];
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depsBuildBuild = [ buildPackages.stdenv.cc ];
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buildInputs = 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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}
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// (removeAttrs args [ "withLinuxHeaders" "withGd" ]) //
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{
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name = name + "-${version}${patchSuffix}" +
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lib.optionalString (cross != null) "-${cross.config}";
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src = fetchurl {
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url = "mirror://gnu/glibc/glibc-${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,${stdenv.cc.libc}/lib"''
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}
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'' + lib.optionalString (cross != null) ''
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sed -i s/-lgcc_eh//g "../$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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# Only due to a problem in gcc configure scripts:
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libc_cv_sparc64_tls=${if cross.withTLS then "yes" else "no"}
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EOF
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export BUILD_CC=gcc
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export CC="$crossConfig-gcc"
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export AR="$crossConfig-ar"
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export RANLIB="$crossConfig-ranlib"
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'';
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preBuild = lib.optionalString withGd "unset NIX_DONT_SET_RPATH";
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meta = {
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homepage = http://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 (cross != null) {
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preInstall = null; # clobber the native hook
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dontStrip = true;
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separateDebugInfo = false; # this is currently broken for crossDrv
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# To avoid a dependency on the build system 'bash'.
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preFixup = ''
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rm $bin/bin/{ldd,tzselect,catchsegv,xtrace}
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'';
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})
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