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flex: Clean up expression

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This commit is contained in:
Eelco Dolstra 2014-01-07 14:24:59 +01:00
parent c17e263ae9
commit 320498d529
1 changed files with 7 additions and 7 deletions
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14
pkgs/development/tools/parsing/flex/default.nix
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@ -1,17 +1,16 @@
# This should be moved to default.nix eventually (?) { stdenv, fetchurl, bison, m4 }:
{stdenv, fetchurl, yacc, m4}:
assert yacc != null && m4 != null;
stdenv.mkDerivation { stdenv.mkDerivation {
name = "flex-2.5.35"; name = "flex-2.5.35";
src = fetchurl { src = fetchurl {
url = mirror://sourceforge/flex/flex-2.5.35.tar.bz2; url = mirror://sourceforge/flex/flex-2.5.35.tar.bz2;
sha256 = "0ysff249mwhq0053bw3hxh58djc0gy7vjan2z1krrf9n5d5vvv0b"; sha256 = "0ysff249mwhq0053bw3hxh58djc0gy7vjan2z1krrf9n5d5vvv0b";
}; };
buildInputs = [yacc];
propagatedNativeBuildInputs = [m4]; buildInputs = [ bison ];
propagatedNativeBuildInputs = [ m4 ];
crossAttrs = { crossAttrs = {
preConfigure = '' preConfigure = ''
@ -21,6 +20,7 @@ stdenv.mkDerivation {
}; };
meta = { meta = {
homepage = http://flex.sourceforge.net/;
description = "A fast lexical analyser generator"; description = "A fast lexical analyser generator";
}; };
} }