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

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{ stdenv, fetchFromGitHub, fetchpatch, cmake, enableShared ? true }:
stdenv.mkDerivation rec {
version = "5.2.1";
name = "fmt-${version}";
src = fetchFromGitHub {
owner = "fmtlib";
repo = "fmt";
rev = "${version}";
sha256 = "1cd8yq8va457iir1hlf17ksx11fx2hlb8i4jml8gj1875pizm0pk";
};
patches = [
(fetchpatch {
url = "https://github.com/fmtlib/fmt/commit/9d0c9c4bb145a286f725cd38c90331eee7addc7f.patch";
sha256 = "1gy93mb1s1mq746kxj4c564k2mppqp5khqdfa6im88rv29cvrl4y";
})
];
outputs = [ "out" "dev" ];
nativeBuildInputs = [ cmake ];
cmakeFlags = [
"-DFMT_TEST=TRUE"
"-DBUILD_SHARED_LIBS=${if enableShared then "TRUE" else "FALSE"}"
];
enableParallelBuilding = true;
doCheck = true;
# preCheckHook ensures the test binaries can find libfmt.so.5
preCheck = if enableShared
then "export LD_LIBRARY_PATH=\"$PWD\""
else "";
meta = with stdenv.lib; {
description = "Small, safe and fast formatting library";
longDescription = ''
fmt (formerly cppformat) is an open-source formatting library. It can be
used as a fast and safe alternative to printf and IOStreams.
'';
homepage = http://fmtlib.net/;
downloadPage = https://github.com/fmtlib/fmt/;
maintainers = [ maintainers.jdehaas ];
license = licenses.bsd2;
platforms = platforms.all;
};
}