X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/733d4546cee292f148b8a3ff1d33bc38066338d8..ae2199381ee5eef2379e34376b77a36d99739cb6:/configure.ac

diff --git a/configure.ac b/configure.ac
index b9d2ea69..4cc9ef91 100644
--- a/configure.ac
+++ b/configure.ac
@@ -123,6 +123,10 @@ AC_PROG_GNU_M4
 AC_DEFINE_UNQUOTED([M4], ["$M4"], [Define to the GNU M4 executable name.])
 AC_DEFINE_UNQUOTED([M4_GNU_OPTION], ["$M4_GNU"], [Define to "-g" if GNU M4
 supports -g, otherwise to "".])
+AC_PATH_PROG([PERL], [perl])
+if test -z "$PERL"; then
+   AC_MSG_ERROR([perl not found])
+fi
 AM_MISSING_PROG([HELP2MAN], [help2man])
 AC_PATH_PROG([XSLTPROC], [xsltproc])
 AC_SUBST([XSLTPROC])