135 lines
5.1 KiB
Nix
135 lines
5.1 KiB
Nix
{ lib, stdenv
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, fetchurl
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, shared ? !stdenv.hostPlatform.isStatic
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, static ? true
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# If true, a separate .static ouput is created and the .a is moved there.
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# In this case `pkg-config` auto detection does not currently work if the
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# .static output is given as `buildInputs` to another package (#66461), because
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# the `.pc` file lists only the main output's lib dir.
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# If false, and if `{ static = true; }`, the .a stays in the main output.
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, splitStaticOutput ? shared && static
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}:
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# Without either the build will actually still succeed because the build
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# system makes an arbitrary choice, but we shouldn't be so indecisive.
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assert shared || static;
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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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assert splitStaticOutput -> static;
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stdenv.mkDerivation (rec {
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name = "zlib-${version}";
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version = "1.2.11";
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src = fetchurl {
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urls =
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[ "https://www.zlib.net/fossils/${name}.tar.gz" # stable archive path
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"mirror://sourceforge/libpng/zlib/${version}/${name}.tar.gz"
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];
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sha256 = "c3e5e9fdd5004dcb542feda5ee4f0ff0744628baf8ed2dd5d66f8ca1197cb1a1";
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};
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patches = lib.optional stdenv.hostPlatform.isCygwin ./disable-cygwin-widechar.patch;
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postPatch = lib.optionalString stdenv.hostPlatform.isDarwin ''
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substituteInPlace configure \
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--replace '/usr/bin/libtool' 'ar' \
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--replace 'AR="libtool"' 'AR="ar"' \
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--replace 'ARFLAGS="-o"' 'ARFLAGS="-r"'
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'';
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outputs = [ "out" "dev" ]
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++ lib.optional splitStaticOutput "static";
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setOutputFlags = false;
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outputDoc = "dev"; # single tiny man3 page
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# For zlib's ./configure (as of verion 1.2.11), the order
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# of --static/--shared flags matters!
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# `--shared --static` builds only static libs, while
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# `--static --shared` builds both.
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# So we use the latter order to be able to build both.
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# Also, giving just `--shared` builds both,
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# giving just `--static` builds only static,
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# and giving nothing builds both.
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# So we have 3 possible ways to build both:
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# `--static --shared`, `--shared` and giving nothing.
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# Of these, we choose `--shared`, only because that's
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# what we did in the past and we can avoid mass rebuilds this way.
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# As a result, we pass `--static` only when we want just static.
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configureFlags = lib.optional (static && !shared) "--static"
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++ lib.optional shared "--shared";
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# Note we don't need to set `dontDisableStatic`, because static-disabling
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# works by grepping for `enable-static` in the `./configure` script
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# (see `pkgs/stdenv/generic/setup.sh`), and zlib's handwritten one does
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# not have such.
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# It wouldn't hurt setting `dontDisableStatic = static && !splitStaticOutput`
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# here (in case zlib ever switches to autoconf in the future),
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# but we don't do it simply to avoid mass rebuilds.
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postInstall = lib.optionalString splitStaticOutput ''
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moveToOutput lib/libz.a "$static"
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''
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# jww (2015-01-06): Sometimes this library install as a .so, even on
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# Darwin; others time it installs as a .dylib. I haven't yet figured out
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# what causes this difference.
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+ lib.optionalString stdenv.hostPlatform.isDarwin ''
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for file in $out/lib/*.so* $out/lib/*.dylib* ; do
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${stdenv.cc.bintools.targetPrefix}install_name_tool -id "$file" $file
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done
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''
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# Non-typical naming confuses libtool which then refuses to use zlib's DLL
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# in some cases, e.g. when compiling libpng.
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+ lib.optionalString (stdenv.hostPlatform.libc == "msvcrt" && shared) ''
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ln -s zlib1.dll $out/bin/libz.dll
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'';
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# As zlib takes part in the stdenv building, we don't want references
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# to the bootstrap-tools libgcc (as uses to happen on arm/mips)
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NIX_CFLAGS_COMPILE = lib.optionalString (!stdenv.hostPlatform.isDarwin) "-static-libgcc";
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# We don't strip on static cross-compilation because of reports that native
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# stripping corrupted the target library; see commit 12e960f5 for the report.
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dontStrip = stdenv.hostPlatform != stdenv.buildPlatform && static;
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configurePlatforms = [];
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installFlags = lib.optionals (stdenv.hostPlatform.libc == "msvcrt") [
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"BINARY_PATH=$(out)/bin"
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"INCLUDE_PATH=$(dev)/include"
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"LIBRARY_PATH=$(out)/lib"
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];
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enableParallelBuilding = true;
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doCheck = true;
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makeFlags = [
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"PREFIX=${stdenv.cc.targetPrefix}"
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] ++ lib.optionals (stdenv.hostPlatform.libc == "msvcrt") [
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"-f" "win32/Makefile.gcc"
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] ++ lib.optionals shared [
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# Note that as of writing (zlib 1.2.11), this flag only has an effect
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# for Windows as it is specific to `win32/Makefile.gcc`.
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"SHARED_MODE=1"
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];
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passthru = {
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inherit version;
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};
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meta = with lib; {
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homepage = "https://zlib.net";
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description = "Lossless data-compression library";
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license = licenses.zlib;
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platforms = platforms.all;
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};
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} // lib.optionalAttrs (stdenv.hostPlatform != stdenv.buildPlatform) {
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preConfigure = ''
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export CHOST=${stdenv.hostPlatform.config}
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'';
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} // lib.optionalAttrs (stdenv.hostPlatform.libc == "msvcrt") {
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dontConfigure = true;
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})
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