bison: Update package to be built with the new version of the buildsystem.

diff --git a/pkgs/core/bison/bison.nm b/pkgs/core/bison/bison.nm
index ca31db90cb64bb77cea9d95efb33c1e812e87697..5b6ec7281d1eb6b109d1ea1c81294872dc5e845a 100644 (file)
--- a/pkgs/core/bison/bison.nm
+++ b/pkgs/core/bison/bison.nm
@@ -34,6 +34,8 @@ PKG_URL        = http://www.gnu.org/software/bison/
 PKG_LICENSE    = GPLv2+
 PKG_SUMMARY    = GNU Bison is a parser generator.
 
+PKG_BUILD_DEPS+= m4
+
 define PKG_DESCRIPTION
        Bison is a general-purpose parser generator that converts an annotated \
        context-free grammar into an LALR(1) or GLR parser for that grammar.