add mkdir -p

diff --git a/m4/init.m4 b/m4/init.m4
index 85228ba..0e3bc71 100644 (file)
--- a/m4/init.m4
+++ b/m4/init.m4
@@ -82,6 +82,7 @@ AM_MISSING_PROG([MAKEINFO], [makeinfo])
 AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
 AC_REQUIRE([AM_PROG_INSTALL_STRIP])dnl
 AC_REQUIRE([AC_PROG_MKDIR_P])dnl
+AC_SUBST([mkdir_p], ["$MKDIR_P"])dnl
 # We need awk for the "check" target.  The system "awk" is bad on
 # some platforms.
 AC_REQUIRE([AC_PROG_AWK])dnl