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include: add umask prereq check

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When building LEDE with umask values other than 022, the resulting packages
will embed improper permissions, which may lead to random errors or non-
functional scripts on the target.

In order to make users aware of this problem, add a build-prereq check to
assert a correct umask setting before starting the build.

Signed-off-by: Jo-Philipp Wich <jo@mein.io>
This commit is contained in:
Jo-Philipp Wich 2016-10-04 11:04:50 +02:00
parent b8d802fe9f
commit 5f80315634
1 changed files with 4 additions and 0 deletions
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4
include/prereq-build.mk
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@ -24,6 +24,10 @@ $(eval $(call TestHostCommand,case-sensitive-fs, \
rm -f $(TMP_DIR)/test.*; touch $(TMP_DIR)/test.fs; \
test ! -f $(TMP_DIR)/test.FS))
$(eval $(call TestHostCommand,proper-umask, \
Please build with umask 022 - other values produce broken packages, \
umask | grep -xF 0022))
$(eval $(call SetupHostCommand,gcc, \
Please install the GNU C Compiler (gcc), \
$(CC) --version | grep gcc, \