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39 lines
1.5 KiB
Nix
39 lines
1.5 KiB
Nix
{ stdenv, fetchurl, unicodeSupport ? true, cplusplusSupport ? true }:
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stdenv.mkDerivation rec {
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name = "pcre-8.31";
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src = fetchurl {
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url = "ftp://ftp.csx.cam.ac.uk/pub/software/programming/pcre/${name}.tar.bz2";
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sha256 = "5778a02535473c7ee7838ea598c19f451e63cf5eec0bf0307a688301c9078c3c";
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};
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# The compiler on Darwin crashes with an internal error while building the
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# C++ interface. Disabling optimizations on that platform remedies the
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# problem. In case we ever update the Darwin GCC version, the exception for
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# that platform ought to be removed.
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configureFlags = ''
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${if unicodeSupport then "--enable-unicode-properties" else ""}
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${if !cplusplusSupport then "--disable-cpp" else ""}
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'' + stdenv.lib.optionalString stdenv.isDarwin "CXXFLAGS=-O0";
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doCheck = !stdenv.isCygwin; # XXX: test failure on Cygwin
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meta = {
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homepage = "http://www.pcre.org/";
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description = "A library for Perl Compatible Regular Expressions";
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license = "BSD-3";
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longDescription = ''
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The PCRE library is a set of functions that implement regular
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expression pattern matching using the same syntax and semantics as
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Perl 5. PCRE has its own native API, as well as a set of wrapper
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functions that correspond to the POSIX regular expression API. The
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PCRE library is free, even for building proprietary software.
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'';
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platforms = stdenv.lib.platforms.all;
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maintainers = [ stdenv.lib.maintainers.simons ];
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};
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}
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