+.PHONY: static-check
+
+# Check that assert.h is not used outside a whitelist of files.
+ALL_LOCAL += check-assert-h-usage
+check-assert-h-usage:
+ @if test -e $(srcdir)/.git && (git --version) >/dev/null 2>&1 && \
+ (cd $(srcdir) && git --no-pager grep -l -E '[<]assert.h[>]') | \
+ $(EGREP) -v '^lib/(sflow_receiver|vlog).c$$|^tests/'; \
+ then \
+ echo "Files listed above unexpectedly #include <""assert.h"">."; \
+ echo "Please use ovs_assert (from util.h) instead of assert."; \
+ exit 1; \
+ fi
+.PHONY: check-assert-h-usage
+
+# Check that LITTLE_ENDIAN and BIG_ENDIAN are not used unless BYTE_ORDER is
+# also mentioned. (<endian.h> always defines the former two constants. They
+# must be compared to BYTE_ORDER to get the machine's correct endianness. But
+# it is better to use WORDS_BIGENDIAN.)
+ALL_LOCAL += check-endian
+check-endian:
+ @if test -e $(srcdir)/.git && (git --version) >/dev/null 2>&1 && \
+ (cd $(srcdir) && git --no-pager grep -l -E \
+ -e 'BIG_ENDIAN|LITTLE_ENDIAN' --and --not -e 'BYTE_ORDER' | \
+ $(EGREP) -v '^datapath/'); \
+ then \
+ echo "See above for list of files that misuse LITTLE""_ENDIAN"; \
+ echo "or BIG""_ENDIAN. Please use WORDS_BIGENDIAN instead."; \
+ exit 1; \
+ fi
+.PHONY: check-endian
+
+ALL_LOCAL += thread-safety-check
+thread-safety-check:
+ @cd $(srcdir); \
+ if test -e .git && (git --version) >/dev/null 2>&1 && \
+ grep -n -f build-aux/thread-safety-blacklist \
+ `git ls-files | grep '\.[ch]$$' \
+ | $(EGREP) -v '^datapath|^lib/sflow|^third-party'` /dev/null \
+ | $(EGREP) -v ':[ ]*/?\*'; \
+ then \
+ echo "See above for list of calls to functions that are"; \
+ echo "blacklisted due to thread safety issues"; \
+ exit 1; \
+ fi
+EXTRA_DIST += build-aux/thread-safety-blacklist