nixpkgs/pkgs/development/libraries/zlib/default.nix

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{ stdenv, fetchurl, static ? false }:
* The stdenv setup script now defines a generic builder that allows builders for typical Autoconf-style to be much shorten, e.g., . $stdenv/setup genericBuild The generic builder does lots of stuff automatically: - Unpacks source archives specified by $src or $srcs (it knows about gzip, bzip2, tar, zip, and unpacked source trees). - Determines the source tree. - Applies patches specified by $patches. - Fixes libtool not to search for libraries in /lib etc. - Runs `configure'. - Runs `make'. - Runs `make install'. - Strips debug information from static libraries. - Writes nested log information (in the format accepted by `log2xml'). There are also lots of hooks and variables to customise the generic builder. See `stdenv/generic/docs.txt'. * Adapted the base packages (i.e., the ones used by stdenv) to use the generic builder. * We now use `curl' instead of `wget' to download files in `fetchurl'. * Neither `curl' nor `wget' are part of stdenv. We shouldn't encourage people to download stuff in builders (impure!). * Updated some packages. * `buildinputs' is now `buildInputs' (but the old name also works). * `findInputs' in the setup script now prevents inputs from being processed multiple times (which could happen, e.g., if an input was a propagated input of several other inputs; this caused the size variables like $PATH to blow up exponentially in the worst case). * Patched GNU Make to write nested log information in the format accepted by `log2xml'. Also, prior to writing the build command, Make now writes a line `building X' to indicate what is being built. This is unfortunately often obscured by the gigantic tool invocations in many Makefiles. The actual build commands are marked `unimportant' so that they don't clutter pages generated by `log2html'. svn path=/nixpkgs/trunk/; revision=845
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let version = "1.2.8"; in
stdenv.mkDerivation rec {
name = "zlib-${version}";
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src = fetchurl {
urls =
[ "http://www.zlib.net/${name}.tar.gz" # old versions vanish from here
"mirror://sourceforge/libpng/zlib/${version}/${name}.tar.gz"
];
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sha256 = "039agw5rqvqny92cpkrfn243x2gd4xn13hs3xi6isk55d2vqqr9n";
};
configureFlags = if static then "" else "--shared";
preConfigure = ''
if test -n "$crossConfig"; then
export CC=$crossConfig-gcc
configureFlags=${if static then "" else "--shared"}
fi
'';
# As zlib takes part in the stdenv building, we don't want references
# to the bootstrap-tools libgcc (as uses to happen on arm/mips)
NIX_CFLAGS_COMPILE = "-static-libgcc";
crossAttrs = {
dontStrip = static;
} // stdenv.lib.optionalAttrs (stdenv.cross.libc == "msvcrt") {
configurePhase=''
installFlags="BINARY_PATH=$out/bin INCLUDE_PATH=$out/include LIBRARY_PATH=$out/lib"
'';
makeFlags = [
"-f" "win32/Makefile.gcc"
"PREFIX=${stdenv.cross.config}-"
] ++ (if static then [] else [ "SHARED_MODE=1" ]);
} // stdenv.lib.optionalAttrs (stdenv.cross.libc == "libSystem") {
makeFlags = [ "RANLIB=${stdenv.cross.config}-ranlib" ];
};
# zlib doesn't like the automatic --disable-shared from the Cygwin stdenv.
cygwinConfigureEnableShared = true;
passthru.version = version;
}