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Break an infinite recursion between flex and bison.

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Flex needs bison, but bison's test suite also needs flex, so we use an
untested build of bison to bootstrap flex first.
This commit is contained in:
Peter Simons 2013-09-09 10:38:27 +02:00
parent 701937b085
commit 2c5851b633
1 changed files with 13 additions and 4 deletions
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17
pkgs/top-level/all-packages.nix
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@ -3552,16 +3552,25 @@ let
flex = flex2535;
flex2535 = callPackage ../development/tools/parsing/flex/flex-2.5.35.nix { };
flex2535 = callPackage ../development/tools/parsing/flex/flex-2.5.35.nix {
# Break infinite recursion: bison's test suite needs flex, so we
# use an untested bison build to build flex first.
yacc = bison.override { flex = null; };
};
flex2534 = callPackage ../development/tools/parsing/flex/flex-2.5.34.nix { };
flex2534 = callPackage ../development/tools/parsing/flex/flex-2.5.34.nix {
yacc = bison.override { flex = null; };
};
flex2533 = callPackage ../development/tools/parsing/flex/flex-2.5.33.nix { };
flex2533 = callPackage ../development/tools/parsing/flex/flex-2.5.33.nix {
yacc = bison.override { flex = null; };
};
# Note: 2.5.4a is much older than 2.5.35 but happens first when sorting
# alphabetically, hence the low priority.
flex254a = lowPrio (import ../development/tools/parsing/flex/flex-2.5.4a.nix {
inherit fetchurl stdenv yacc;
inherit fetchurl stdenv;
yacc = bison.override { flex = null; };
});
m4 = gnum4;