t6032: Add a test checking for excessive output from merge

diff --git a/Makefile b/Makefile
index 32e3eb385d82126396c452f43b1fa70d5a7b4321..b7a62cfdf2ca4f05e47d69332976adabb73583e9 100644 (file)
--- 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
 
@@ -981,6 +982,7 @@ ifeq ($(uname_S),IRIX)
        # NO_MMAP.  If you suspect that your compiler is not affected by this
        # issue, comment out the NO_MMAP statement.
        NO_MMAP = YesPlease
+       NO_REGEX = YesPlease
        SNPRINTF_RETURNS_BOGUS = YesPlease
        SHELL_PATH = /usr/gnu/bin/bash
        NEEDS_LIBGEN = YesPlease
@@ -999,6 +1001,7 @@ ifeq ($(uname_S),IRIX64)
        # NO_MMAP.  If you suspect that your compiler is not affected by this
        # issue, comment out the NO_MMAP statement.
        NO_MMAP = YesPlease
+       NO_REGEX = YesPlease
        SNPRINTF_RETURNS_BOGUS = YesPlease
        SHELL_PATH=/usr/gnu/bin/bash
        NEEDS_LIBGEN = YesPlease
@@ -1462,7 +1465,7 @@ ifdef NO_REGEX
 endif
 
 ifdef USE_NED_ALLOCATOR
-       COMPAT_CFLAGS += -DUSE_NED_ALLOCATOR -DOVERRIDE_STRDUP -DNDEBUG -DREPLACE_SYSTEM_ALLOCATOR -Icompat/nedmalloc
+       COMPAT_CFLAGS += -Icompat/nedmalloc
        COMPAT_OBJS += compat/nedmalloc/nedmalloc.o
 endif
 
@@ -1499,6 +1502,7 @@ 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
@@ -1900,6 +1904,15 @@ ifdef NO_EXPAT
 http-walker.s http-walker.o: EXTRA_CPPFLAGS = -DNO_EXPAT
 endif
 
+ifdef NO_REGEX
+compat/regex/regex.o: EXTRA_CPPFLAGS = -DGAWK -DNO_MBSUPPORT
+endif
+
+ifdef USE_NED_ALLOCATOR
+compat/nedmalloc/nedmalloc.o: EXTRA_CPPFLAGS = \
+       -DNDEBUG -DOVERRIDE_STRDUP -DREPLACE_SYSTEM_ALLOCATOR
+endif
+
 git-%$X: %.o $(GITLIBS)
        $(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) $(LIBS)
 
@@ -2320,11 +2333,18 @@ 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
@@ -2332,7 +2352,17 @@ 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