common/Make.rules: add -Wimplicit-fallthrough compiler warning

Add -Wimplicit-fallthrough to the default set of compiler warnings.

Signed-off-by: Steve Beattie <steve.beattie@canonical.com>
This commit is contained in:
Steve Beattie 2020-05-26 23:27:53 -07:00
parent e093815ab1
commit 43fd972bb5
Failed to generate hash of commit

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@ -58,7 +58,7 @@ endif
pyalldo=set -e; $(foreach py, $(PYTHON_VERSIONS), $(py) $(1);)
# Common set of compiler warnings
_EXTRA_WARNINGS = -Wall -Wsign-compare -Wmissing-field-initializers -Wformat -Wformat-security -Wunused-parameter
_EXTRA_WARNINGS = -Wall -Wsign-compare -Wmissing-field-initializers -Wformat -Wformat-security -Wunused-parameter -Wimplicit-fallthrough
EXTRA_WARNINGS := $(shell for warning in ${_EXTRA_WARNINGS} ; do \
if ${CC} $${warning} -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then \
echo "$${warning}"; \