configure: make iconv tests aware of user arguments

diff --git a/Makefile b/Makefile
index b040a96e50a30c5413f109d4e49d9c538625918f..1087884be691ed2e9a59dd6289b809496538bf8e 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -1468,8 +1468,8 @@ endif
        bindir=$$(cd '$(DESTDIR_SQ)$(bindir_SQ)' && pwd) && \
        execdir=$$(cd '$(DESTDIR_SQ)$(gitexec_instdir_SQ)' && pwd) && \
        { $(RM) "$$execdir/git-add$X" && \
-               ln git-add$X "$$execdir/git-add$X" 2>/dev/null || \
-               cp git-add$X "$$execdir/git-add$X"; } && \
+               ln "$$bindir/git$X" "$$execdir/git-add$X" 2>/dev/null || \
+               cp "$$bindir/git$X" "$$execdir/git-add$X"; } && \
        { for p in $(filter-out git-add$X,$(BUILT_INS)); do \
                $(RM) "$$execdir/$$p" && \
                ln "$$execdir/git-add$X" "$$execdir/$$p" 2>/dev/null || \
@@ -1640,3 +1640,27 @@ check-docs::
 check-builtins::
        ./check-builtins.sh
 
+### Test suite coverage testing
+#
+.PHONY: coverage coverage-clean coverage-build coverage-report
+
+coverage:
+       $(MAKE) coverage-build
+       $(MAKE) coverage-report
+
+coverage-clean:
+       rm -f *.gcda *.gcno
+
+COVERAGE_CFLAGS = $(CFLAGS) -O0 -ftest-coverage -fprofile-arcs
+COVERAGE_LDFLAGS = $(CFLAGS)  -O0 -lgcov
+
+coverage-build: coverage-clean
+       $(MAKE) CFLAGS="$(COVERAGE_CFLAGS)" LDFLAGS="$(COVERAGE_LDFLAGS)" all
+       $(MAKE) CFLAGS="$(COVERAGE_CFLAGS)" LDFLAGS="$(COVERAGE_LDFLAGS)" \
+               -j1 test
+
+coverage-report:
+       gcov -b *.c
+       grep '^function.*called 0 ' *.c.gcov \
+               | sed -e 's/\([^:]*\)\.gcov: *function \([^ ]*\) called.*/\1: \2/' \
+               | tee coverage-untested-functions