added m4 to prereq check, thanks to Gerph

SVN-Revision: 15043

diff --git a/include/prereq-build.mk b/include/prereq-build.mk
index 0b396c83dd6278529d2469faa299d2d7029c82a9..1cdcd0f2c5db24cfc9f7d3b915ee7b4705171775 100644 (file)
--- a/include/prereq-build.mk
+++ b/include/prereq-build.mk
@@ -148,3 +148,7 @@ endef
 $(eval $(call Require,getopt-extended, \
        Please install an extended getopt version that supports --long \
 ))
+
+$(eval $(call RequireCommand,m4, \
+       Please install GNU m4 \
+))