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build: enforce preprocessor indentation

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Since cppi is not part of Fedora Core 12, the check is conditional:
without cppi, running 'make syntax-check' merely warns:

$ make sc_preprocessor_indentation
preprocessor_indentation
maint.mk: skipping test sc_preprocessor_indentation: cppi not installed

* cfg.mk (sc_preprocessor_indentation): New syntax-check rule.
(preprocessor_exempt): New macro, with first exemption.
This commit is contained in:
Eric Blake 2010-03-09 14:22:14 -07:00 committed by Jim Meyering
parent 12023373cd
commit 89a08ba63a
1 changed files with 13 additions and 0 deletions
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13
cfg.mk
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@ -251,6 +251,19 @@ sc_prohibit_trailing_blank_lines:
rm -f $@-t; \ rm -f $@-t; \
test $$found = 0 test $$found = 0
# Regex for grep -E that exempts generated files from style rules.
preprocessor_exempt = (remote_(driver|protocol)\.h)$$
# Enforce recommended preprocessor indentation style.
sc_preprocessor_indentation:
@if (cppi --version >/dev/null 2>&1); then \
$(VC_LIST_EXCEPT) | grep '\.[ch]$$' \
| grep -vE '$(preprocessor_exempt)' | xargs cppi -a -c \
|| { echo '$(ME): incorrect preprocessor indentation' 1>&2; \
exit 1; }; \
else \
echo '$(ME): skipping test $@: cppi not installed' 1>&2; \
fi
# We don't use this feature of maint.mk. # We don't use this feature of maint.mk.
prev_version_file = /dev/null prev_version_file = /dev/null