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{ lib, stdenv, fetchFromGitHub
, bmake
}:
stdenv.mkDerivation rec {
pname = "libfsm";
version = "0.1pre2442_${builtins.substring 0 8 src.rev}";
src = fetchFromGitHub {
owner = "katef";
repo = pname;
rev = "9c5095f7364fa464efff6c81fad9b60b19dfcc99";
sha256 = "1bs51agvrrwqid0slq2svj2yj7kkjdsnv3xsrk8zmf1jbgza6jrm";
fetchSubmodules = true;
};
nativeBuildInputs = [ bmake ];
enableParallelBuilding = true;
# note: build checks value of '$CC' to add some extra cflags, but we don't
# necessarily know which 'stdenv' someone chose, so we leave it alone (e.g.
# if we use stdenv vs clangStdenv, we don't know which, and CC=cc in all
# cases.) it's unclear exactly what should be done if we want those flags,
# but the defaults work fine.
makeFlags = [ "-r" "PREFIX=$(out)" ];
# fix up multi-output install. we also have to fix the pkg-config libdir
# file; it uses prefix=$out; libdir=${prefix}/lib, which is wrong in
# our case; libdir should really be set to the $lib output.
postInstall = ''
mkdir -p $lib $dev/lib
mv $out/lib $lib/lib
mv $out/include $dev/include
mv $out/share/pkgconfig $dev/lib/pkgconfig
rmdir $out/share
for x in libfsm.pc libre.pc; do
substituteInPlace "$dev/lib/pkgconfig/$x" \
--replace 'libdir=''${prefix}/lib' "libdir=$lib/lib"
done
'';
outputs = [ "out" "lib" "dev" ];
meta = with lib; {
description = "DFA regular expression library & friends";
homepage = "https://github.com/katef/libfsm";
license = licenses.bsd2;
platforms = platforms.unix;
maintainers = with maintainers; [ thoughtpolice ];
};
}
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