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Makefile: Include subdirectories in "make cover" reports

We generate profiling files in all the $(OBJECTS) dirs. Aggregate
results from there, and add them to the corresponding clean target.

Also expand the gcov arguments. Generate reports for things like "x()
|| y()" using --all-blocks, and add --preserve-paths since we're
profiling in subdirectories now.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Ævar Arnfjörð Bjarmason 2010-07-25 19:52:40 +00:00 committed by Junio C Hamano
parent 3f5e042b9c
commit bc548efe00

View File

@ -1485,6 +1485,7 @@ ifndef V
QUIET_BUILT_IN = @echo ' ' BUILTIN $@;
QUIET_GEN = @echo ' ' GEN $@;
QUIET_LNCP = @echo ' ' LN/CP $@;
QUIET_GCOV = @echo ' ' GCOV $@;
QUIET_SUBDIR0 = +@subdir=
QUIET_SUBDIR1 = ;$(NO_SUBDIR) echo ' ' SUBDIR $$subdir; \
$(MAKE) $(PRINT_DIR) -C $$subdir
@ -2291,11 +2292,16 @@ coverage:
$(MAKE) coverage-build
$(MAKE) coverage-report
object_dirs := $(sort $(dir $(OBJECTS)))
coverage-clean:
rm -f *.gcda *.gcno
$(RM) $(addsuffix *.gcov,$(object_dirs))
$(RM) $(addsuffix *.gcda,$(object_dirs))
$(RM) $(addsuffix *.gcno,$(object_dirs))
$(RM) coverage-untested-functions
COVERAGE_CFLAGS = $(CFLAGS) -O0 -ftest-coverage -fprofile-arcs
COVERAGE_LDFLAGS = $(CFLAGS) -O0 -lgcov
GCOVFLAGS = --preserve-paths --branch-probabilities --all-blocks
coverage-build: coverage-clean
$(MAKE) CFLAGS="$(COVERAGE_CFLAGS)" LDFLAGS="$(COVERAGE_LDFLAGS)" all
@ -2303,7 +2309,9 @@ coverage-build: coverage-clean
-j1 test
coverage-report:
gcov -b *.c
$(QUIET_GCOV)for dir in $(object_dirs); do \
gcov $(GCOVFLAGS) --object-directory=$$dir $$dir*.c || exit; \
done
grep '^function.*called 0 ' *.c.gcov \
| sed -e 's/\([^:]*\)\.gcov: *function \([^ ]*\) called.*/\1: \2/' \
| tee coverage-untested-functions
> coverage-untested-functions