{ stdenv, fetchurl , windows ? null, variant ? null, pcre }: with stdenv.lib; assert elem variant [ null "cpp" "pcre16" "pcre32" ]; let version = "8.38"; pname = if (variant == null) then "pcre" else if (variant == "cpp") then "pcre-cpp" else variant; in stdenv.mkDerivation rec { name = "${pname}-${version}"; src = fetchurl { url = "ftp://ftp.csx.cam.ac.uk/pub/software/programming/pcre/pcre-${version}.tar.bz2"; sha256 = "1pvra19ljkr5ky35y2iywjnsckrs9ch2anrf5b0dc91hw8v2vq5r"; }; patches = [ ./CVE-2016-1283.patch ]; outputs = [ "dev" "out" "bin" "doc" "man" ]; configureFlags = [ "--enable-jit" "--enable-unicode-properties" "--disable-cpp" ] ++ optional (variant != null) "--enable-${variant}"; doCheck = with stdenv; !(isCygwin || isFreeBSD); # XXX: test failure on Cygwin # we are running out of stack on both freeBSDs on Hydra postFixup = '' moveToOutput bin/pcre-config "$dev" '' + optionalString (variant != null) '' ln -sf -t "$out/lib/" '${pcre.out}'/lib/libpcre{,posix}.so.*.*.* ''; crossAttrs = optionalAttrs (stdenv.cross.libc == "msvcrt") { buildInputs = [ windows.mingw_w64_pthreads.crossDrv ]; }; meta = { homepage = "http://www.pcre.org/"; description = "A library for Perl Compatible Regular Expressions"; license = stdenv.lib.licenses.bsd3; longDescription = '' The PCRE library is a set of functions that implement regular expression pattern matching using the same syntax and semantics as Perl 5. PCRE has its own native API, as well as a set of wrapper functions that correspond to the POSIX regular expression API. The PCRE library is free, even for building proprietary software. ''; platforms = platforms.all; maintainers = [ maintainers.simons ]; }; }