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1 | 1 | # -*-makefile-*- |
2 | | -# $PostgreSQL: pgsql/src/Makefile.global.in,v 1.243 2008/09/05 12:11:18 petere Exp $ |
| 2 | +# $PostgreSQL: pgsql/src/Makefile.global.in,v 1.244 2008/10/03 15:35:17 petere Exp $ |
3 | 3 |
|
4 | 4 | #------------------------------------------------------------------------------ |
5 | 5 | # All PostgreSQL makefiles include this file and use the variables it sets, |
@@ -592,18 +592,30 @@ endif # enable_nls |
592 | 592 | # |
593 | 593 | # Coverage |
594 | 594 |
|
| 595 | +# Explanation of involved files: |
| 596 | +# foo.csource file |
| 597 | +# foo.oobject file |
| 598 | +# foo.gcnogcov graph (a.k.a. "notes") file, created at compile time |
| 599 | +#(by gcc -ftest-coverage) |
| 600 | +# foo.gcdagcov data file, created when the program is run (for |
| 601 | +#programs compiled with gcc -fprofile-arcs) |
| 602 | +# foo.c.gcovgcov output file with coverage information, created by |
| 603 | +#gcov from foo.gcda (by "make coverage") |
| 604 | +# foo.c.gcov.out stdout captured when foo.c.gcov is created, mildly |
| 605 | +#interesting |
| 606 | +# lcov.infolcov tracefile, built from gcda files in one directory, |
| 607 | +#later collected by "make coverage-html" |
| 608 | + |
595 | 609 | ifeq ($(enable_coverage), yes) |
596 | 610 |
|
597 | 611 | # There is a strange interaction between lcov and existing .gcov |
598 | 612 | # output files. Hence the rm command and the ordering dependency. |
599 | 613 |
|
600 | 614 | gcda_files :=$(wildcard*.gcda) |
601 | 615 |
|
602 | | -lcov.info: |
| 616 | +lcov.info:$(gcda_files) |
603 | 617 | rm -f*.gcov |
604 | | -ifneq (,$(gcda_files)) |
605 | | -$(LCOV) -d . -c -o $@ $(LCOVFLAGS) |
606 | | -endif |
| 618 | +$(if$^,$(LCOV) -d . -c -o$@$(LCOVFLAGS)) |
607 | 619 |
|
608 | 620 | %.c.gcov:%.gcda | lcov.info |
609 | 621 | $(GCOV) -b -f -p -o.$(GCOVFLAGS)$*.c>$*.c.gcov.out |
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