nixpkgs/pkgs/development/libraries/crypto++/default.nix

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{ fetchurl, fetchFromGitHub, stdenv }:
stdenv.mkDerivation rec {
name = "crypto++-${version}";
majorVersion = "5.6";
version = "${majorVersion}.5";
src = fetchFromGitHub {
owner = "weidai11";
repo = "cryptopp";
rev = "CRYPTOPP_5_6_5";
sha256 = "1yk7jyf4va9425cg05llskpls2jm7n3jwy2hj5jm74zkr4mwpvl7";
};
patches = with stdenv;
lib.optional (system != "i686-cygwin") ./dll.patch
++ lib.optional isDarwin ./GNUmakefile-darwin.patch;
configurePhase = let
marchflags =
if stdenv.isi686 then "-march=i686" else
if stdenv.isx86_64 then "-march=nocona -mtune=generic" else
"";
in
''
sed -i GNUmakefile \
-e 's|-march=native|${marchflags} -fPIC|g' \
-e '/^CXXFLAGS =/s|-g ||'
'';
enableParallelBuilding = true;
makeFlags = [ "PREFIX=$(out)" ];
buildFlags = [ "libcryptopp.so" ];
installFlags = [ "LDCONF=true" ];
doCheck = true;
checkPhase = "LD_LIBRARY_PATH=`pwd` make test";
# prefer -fPIC and .so to .a; cryptotest.exe seems superfluous
postInstall = ''
rm "$out"/lib/*.a -r "$out/bin"
ln -sf "$out"/lib/libcryptopp.so.${version} "$out"/lib/libcryptopp.so.${majorVersion}
'';
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meta = with stdenv.lib; {
description = "Crypto++, a free C++ class library of cryptographic schemes";
homepage = http://cryptopp.com/;
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license = licenses.boost;
platforms = platforms.all;
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maintainers = [ ];
};
}