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-rw-r--r--include/prereq-build.mk4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/prereq-build.mk b/include/prereq-build.mk
index 0b396c83dd..1cdcd0f2c5 100644
--- 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 \
+))