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-rw-r--r--include/prereq-build.mk7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/prereq-build.mk b/include/prereq-build.mk
index 84d3f2274..afb92ff02 100644
--- a/include/prereq-build.mk
+++ b/include/prereq-build.mk
@@ -18,6 +18,13 @@ $(eval $(call Require,non-root, \
Please do not compile as root. \
))
+define Require/umask-0022
+ [ "$$(shell umask)" -eq 22 ]
+endef
+$(eval $(call Require,umask-0022, \
+ Please compile with umask 0022. \
+))
+
# Required for the toolchain
define Require/working-make
$(MAKE) -v | awk '($$$$1 == "GNU") && ($$$$2 = "Make") && ($$$$3 >= "3.81") { print "ok" }' | grep ok > /dev/null