Abort configure if we cannot find bison/byacc/yacc.

git-svn-id: svn://katsu.triplehelix.org/dgamelaunch/trunk@512 db0b04b0-f4d1-0310-9a6d-de3e77497b0e
2009-10-21 14:59:37 +00:00 · 2009-10-21 14:59:37 +00:00 · 0d2f412ae6
parent ada8b7d674
commit 0d2f412ae6
1 changed files with 5 additions and 1 deletions
--- a/configure.ac
+++ b/configure.ac
@ -13,7 +13,11 @@ AC_PROG_LEX

 LIBS="$LIBS $LEXLIB"

-AC_PROG_YACC
+
+AC_CHECK_PROGS(YACC, 'bison -y' byacc yacc)
+if test -z "$YACC"; then
+   AC_MSG_ERROR([bison or yacc not found.])
+fi

 case "$(uname -s)" in
  Linux | *BSD)