{ stdenv, fetchurl , pcre, windows ? null , buildPlatform, hostPlatform , variant ? null }: with stdenv.lib; assert elem variant [ null "cpp" "pcre16" "pcre32" ]; let version = "8.42"; 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-${version}.tar.bz2"; sha256 = "00ckpzlgyr16bnqx8fawa3afjgqxw5yxgs2l081vw23qi1y4pl1c"; }; outputs = [ "bin" "dev" "out" "doc" "man" ]; configureFlags = optional (!hostPlatform.isRiscV) "--enable-jit" ++ [ "--enable-unicode-properties" "--disable-cpp" ] ++ optional (variant != null) "--enable-${variant}"; buildInputs = optional (hostPlatform.libc == "msvcrt") windows.mingw_w64_pthreads; # https://bugs.exim.org/show_bug.cgi?id=2173 patches = [ ./stacksize-detection.patch ]; preCheck = '' patchShebangs RunGrepTest ''; doCheck = !(with hostPlatform; isCygwin || isFreeBSD) && hostPlatform == buildPlatform; # 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.*.*.*,*dylib} ''; 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; }; }