1 dnl Autoconf macro to check for the existence of grep
3 AC_DEFUN([AC_PROG_GREP], [
4 AC_REQUIRE([AC_EXEEXT])dnl
5 test x$GREP = x && AC_PATH_PROG(GREP, grep$EXEEXT, grep$EXEEXT)
6 test x$GREP = x && AC_MSG_ERROR([no acceptable grep found in \$PATH])