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1 | 1 | # |
2 | 2 | # PostgreSQL top level makefile |
3 | 3 | # |
4 | | -# $Header: /cvsroot/pgsql/GNUmakefile.in,v 1.4 2000/06/11 18:43:52 tgl Exp $ |
| 4 | +# $Header: /cvsroot/pgsql/GNUmakefile.in,v 1.5 2000/06/14 18:17:24 petere Exp $ |
5 | 5 | # |
6 | 6 |
|
7 | 7 | srcdir = @srcdir@ |
@@ -30,26 +30,27 @@ distclean: |
30 | 30 | .PHONY: all install clean distclean |
31 | 31 |
|
32 | 32 |
|
33 | | -AUTOCONF = @AUTOCONF@ |
34 | | -ACLOCAL = @ACLOCAL@ |
35 | | - |
36 | 33 | GNUmakefile: GNUmakefile.in $(top_builddir)/config.status |
37 | 34 | CONFIG_FILES=$@ CONFIG_HEADERS= ./config.status |
38 | 35 |
|
39 | | -# This rule does not work --- what if config.status doesn't exist? |
| 36 | +$(top_builddir)/config.status: $(top_srcdir)/configure |
| 37 | + cd $(top_builddir) && ./config.status --recheck |
| 38 | + |
40 | 39 |
|
41 | | -# $(top_builddir)/config.status: $(top_srcdir)/configure |
42 | | -# cd $(top_builddir) && ./config.status --recheck |
| 40 | +# These dependencies are risky because both the target and the sources |
| 41 | +# are in CVS and CVS doesn't preserve timestamps, thus leading to |
| 42 | +# unnecessary reruns of these rules. |
43 | 43 |
|
44 | | -# These dependencies are evil and dangerous, because they can cause make |
45 | | -# to re-run autoconf and then re-run configure due to configure not |
46 | | -# having a newer timestamp than configure.in after a CVS pull. Same |
47 | | -# problem for aclocal timestamp skew. This solution is considerably |
48 | | -# worse than the problem it was intended to solve. |
49 | | -# Do not put it back or I will take it right out again --- tgl |
| 44 | +AUTOCONF = autoconf |
50 | 45 |
|
51 | | -# $(top_srcdir)/configure: $(top_srcdir)/configure.in $(top_srcdir)/aclocal.m4 |
52 | | -# cd $(top_srcdir) && $(AUTOCONF) |
| 46 | +# Only use this rule if you actually said `make configure'. |
| 47 | +ifeq ($(MAKECMDGOALS),configure) |
| 48 | +$(top_srcdir)/configure: $(top_srcdir)/configure.in $(top_srcdir)/aclocal.m4 |
| 49 | + cd $(top_srcdir) && $(AUTOCONF) |
| 50 | +endif |
53 | 51 |
|
54 | | -# $(top_srcdir)/aclocal.m4: $(wildcard $(top_srcdir)/config/*.m4) |
55 | | -# cd $(top_srcdir) && $(ACLOCAL) -I config |
| 52 | +# This one we can leave unprotected because by default nothing depends |
| 53 | +# on aclocal.m4. This rule is only invoked if you say `make |
| 54 | +# aclocal.m4' or `make configure'. |
| 55 | +$(top_srcdir)/aclocal.m4: $(wildcard $(top_srcdir)/config/*.m4) |
| 56 | + cat $^ > $@ |
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