67 lines
2 KiB
Nix
67 lines
2 KiB
Nix
{ fetchgit, stdenv, autoconf, automake, libtool
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, machHeaders, hurdHeaders, hurd
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, cross ? null, gccCross ? null, glibcCross ? null }:
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assert (cross != null) -> (gccCross != null) && (glibcCross != null);
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let
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date = "20100512";
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# Use the `tschwinge/Peter_Herbolzheimer' branch as prescribed in
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# <http://www.gnu.org/software/hurd/hurd/building/cross-compiling.html>.
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rev = "c4bb52770f0b6703bef76c5abdd08663b46b4dc9";
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in
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stdenv.mkDerivation ({
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name = "libpthread-hurd-${date}";
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src = fetchgit {
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url = "git://git.sv.gnu.org/hurd/libpthread.git";
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sha256 = "1wya9kfmqgn04l995a25p4hxfwddjahfmhdzljb4cribw0bqdizg";
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inherit rev;
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};
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buildNativeInputs = [ autoconf automake libtool ];
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buildInputs = [ machHeaders hurdHeaders hurd ]
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++ stdenv.lib.optional (gccCross != null) gccCross;
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preConfigure = "autoreconf -vfi";
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meta = {
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description = "GNU Hurd's libpthread";
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license = "LGPLv2+";
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maintainers = [ stdenv.lib.maintainers.ludo ];
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};
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}
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//
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(if cross != null
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then {
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crossConfig = cross.config;
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# Tell gcc where to find `crt1.o' et al. This is specified in two
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# different ways: one for gcc as run from `configure', and one for linking
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# libpthread.so (by default `libtool --mode=link' swallows `-B', hence
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# this workaround; see
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# <http://lists.gnu.org/archive/html/bug-libtool/2010-05/msg00012.html>.)
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LDFLAGS = "-B${glibcCross}/lib";
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makeFlags = [ "LDFLAGS=-Wc,-B${glibcCross}/lib" ];
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# Help the linker find glibc.
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CPATH = "${glibcCross}/include";
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LIBRARY_PATH = "${glibcCross}/lib";
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passthru = {
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# Extra target LDFLAGS to allow the cross-linker to find the
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# dependencies of the cross libpthread.so, namely libihash.so.
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# Note: these are raw `ld' flags, so `-Wl,' must be prepended when using
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# `gcc'.
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#
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# This is actually only useful while building the final cross-gcc, since
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# afterwards gcc-cross-wrapper should add the relevant flags.
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TARGET_LDFLAGS = "-rpath-link=${hurd}/lib";
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};
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}
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else { }))
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