forked from mirrors/nixpkgs
8f94a33b38
Some derivations use lib.optional or lib.optionals when setting pre/post phase hooks. Ensure the proper lib.optionalString is used.
37 lines
995 B
Nix
37 lines
995 B
Nix
{ lib, stdenv, fetchurl, bison, m4 }:
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stdenv.mkDerivation {
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name = "flex-2.6.1";
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src = fetchurl {
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url = "https://github.com/westes/flex/releases/download/v2.6.1/flex-2.6.1.tar.gz";
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sha256 = "0fy14c35yz2m1n1m4f02by3501fn0cca37zn7jp8lpp4b3kgjhrw";
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};
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postPatch = ''
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patchShebangs tests
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'' + lib.optionalString (stdenv.hostPlatform != stdenv.buildPlatform) ''
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substituteInPlace Makefile.in --replace "tests" " ";
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'';
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buildInputs = [ bison ];
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propagatedBuildInputs = [ m4 ];
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preConfigure = lib.optionalString (stdenv.hostPlatform != stdenv.buildPlatform) ''
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ac_cv_func_malloc_0_nonnull=yes
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ac_cv_func_realloc_0_nonnull=yes
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'';
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postConfigure = lib.optionalString (stdenv.isDarwin || stdenv.isCygwin) ''
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sed -i Makefile -e 's/-no-undefined//;'
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'';
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meta = with lib; {
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homepage = "https://github.com/westes/flex";
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description = "A fast lexical analyser generator";
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license = licenses.bsd2;
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platforms = platforms.unix;
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};
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}
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