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-rw-r--r--Makefile25
1 files changed, 22 insertions, 3 deletions
diff --git a/Makefile b/Makefile
index 40fbcaee9..8b7c24347 100644
--- a/Makefile
+++ b/Makefile
@@ -310,6 +310,7 @@ TCL_PATH = tclsh
TCLTK_PATH = wish
PTHREAD_LIBS = -lpthread
PTHREAD_CFLAGS =
+GCOV = gcov
export TCL_PATH TCLTK_PATH
@@ -1499,6 +1500,7 @@ 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
@@ -2324,11 +2326,18 @@ 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
+ $(RM) -r cover_db/
+ $(RM) -r cover_db_html/
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
@@ -2336,7 +2345,17 @@ 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
+
+coverage-untested-functions: coverage-report
grep '^function.*called 0 ' *.c.gcov \
| sed -e 's/\([^:]*\)\.gcov: *function \([^ ]*\) called.*/\1: \2/' \
- | tee coverage-untested-functions
+ > coverage-untested-functions
+
+cover_db: coverage-report
+ gcov2perl -db cover_db *.gcov
+
+cover_db_html: cover_db
+ cover -report html -outputdir cover_db_html cover_db