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-rw-r--r--pkgs/development/tools/parsing/flex/2.5.35.nix6
1 files changed, 6 insertions, 0 deletions
diff --git a/pkgs/development/tools/parsing/flex/2.5.35.nix b/pkgs/development/tools/parsing/flex/2.5.35.nix
index 3e40ddee9d9a..7e09b0a8cd38 100644
--- a/pkgs/development/tools/parsing/flex/2.5.35.nix
+++ b/pkgs/development/tools/parsing/flex/2.5.35.nix
@@ -8,6 +8,10 @@ stdenv.mkDerivation rec {
     sha256 = "0wh06nix8bd4w1aq4k2fbbkdq5i30a9lxz3xczf3ff28yy0kfwzm";
   };
 
+  postPatch = ''
+    patchShebangs tests
+  '';
+
   nativeBuildInputs = [ flex bison texinfo help2man autoreconfHook ];
 
   propagatedBuildInputs = [ m4 ];
@@ -17,6 +21,8 @@ stdenv.mkDerivation rec {
     "ac_cv_func_realloc_0_nonnull=yes"
   ];
 
+  doCheck = false; # fails 2 out of 46 tests
+
   meta = with stdenv.lib; {
     branch = "2.5.35";
     homepage = http://flex.sourceforge.net/;