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-rw-r--r--configure.ac5
1 files changed, 5 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index f8c67be..9899a3b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -94,6 +94,11 @@ AC_ARG_WITH([install],
[Specify the full PATH to a BSD-compatible install]),
[INSTALL=$withval])
AC_PROG_INSTALL
+AC_CACHE_VAL([ac_cv_path_GREP],
+ [AC_ARG_WITH([grep],
+ AS_HELP_STRING([--with-grep=PATH],
+ [Specify the full PATH to GNU grep]),
+ [ac_cv_path_GREP=$withval])])
AC_PROG_GREP
AC_PROG_EGREP
AS_IF(