fic gcov use and move it into the Makefile

[elogind.git] / Makefile

diff --git a/Makefile b/Makefile
index 773041b02fdea0147df29856ee03a81fe0a1797f..2017e7be3bf627bc3c2a16d60609db372d8fd301 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -27,6 +27,10 @@ USE_LOG = true
 #  to print the debug messages to syslog)
 DEBUG = false
 
+# compile with gcc's code coverage option
+# (use it with DEBUG, works only with glibc)
+USE_GCOV = false
+
 # include Security-Enhanced Linux support
 USE_SELINUX = false
 
@@ -186,6 +190,11 @@ else
        STRIPCMD = $(STRIP) -s --remove-section=.note --remove-section=.comment
 endif
 
+ifeq ($(strip $(USE_GCOV)),true)
+       CFLAGS += -fprofile-arcs -ftest-coverage
+       LDFLAGS = -fprofile-arcs
+endif
+
 # if our own version of klibc is used, we need to build it
 ifeq ($(strip $(USE_KLIBC)),true)
        KLIBC_INSTALL   = $(PWD)/klibc/.install
@@ -291,6 +300,10 @@ ccdv: ccdv.c
 
 clean:
        - find . \( -not -type d \) -and \( -name '*~' -o -name '*.[oas]' \) -type f -print0 | xargs -0rt rm -f
+       - find -name "*.gcno" -print0 | xargs -0rt rm -f
+       - find -name "*.gcda" -print0 | xargs -0rt rm -f
+       - find -name "*.gcov" -print0 | xargs -0rt rm -f
+       - rm -f udev_gcov.txt
        - rm -f core $(PROGRAMS) $(GEN_HEADERS) $(GEN_CONFIGS)
        $(MAKE) -C klibc SUBDIRS=klibc clean
        @extras="$(EXTRAS)"; for target in $$extras; do \
@@ -397,4 +410,28 @@ test tests: all
 
 buildtest:
        ./test/simple-build-check.sh
+.PHONY: buildtest
+
+gcov-all:
+       $(MAKE) clean all DEBUG=true USE_GCOV=true
+       @echo
+       @echo "binaries built with gcov support."
+       @echo "run the tests and analyze with 'make udev_gcov.txt'"
+.PHONY: gcov-all
+
+# see docs/README-gcov_for_udev
+udev_gcov.txt: $(wildcard *.gcda) $(wildcard *.gcno)
+       for file in `find -maxdepth 1 -name "*.gcno"`; do \
+               name=`basename $$file .gcno`; \
+               echo "################" >> $@; \
+               echo "$$name.c" >> $@; \
+               echo "################" >> $@; \
+               if [ -e "$$name.gcda" ]; then \
+                       gcov -l "$$name.c" >> $@ 2>&1; \
+               else \
+                       echo "code for $$name.c was never executed" >> $@ 2>&1; \
+               fi; \
+               echo >> $@; \
+       done; \
+       echo "view $@ for the result"