I just came across a difference between between GNU make and BSD make:
% cat makefile1
$(var)/foo: bar
$(var)/bar:
echo "making bar"
% make var=. -f makefile1 ./foo
make: don't know how to make bar. Stop
make: stopped in /usr/src/local/libtool/err
% gmake var=. -f makefile1 ./foo
echo "making bar"
making bar
% cat makefile2
$(var)/foo: $(var)/bar
$(var)/bar:
echo "making bar"
% make var=. -f makefile2 ./foo
echo "making bar"
making bar
% gmake var=. -f makefile2 ./foo
echo "making bar"
making bar
%
In otherwords, we need $(var)/bar as the dependency for success
with bsd make. Why is this relevant to libtool?
In bootstrap "make" is called 3 times, which might end up being a
non-GNU make and AFAIK we don't say "you must use gnu make" anywhere
- do we?
If make = bsd make, then
make: don't know how to make stamp-vcl. Stop
which the attached trivial patch fixes. I haven't looked for other
instances..
Cheers,
Patrick
Index: Makefile.am
===================================================================
RCS file: /cvsroot/libtool/libtool/Makefile.am,v
retrieving revision 1.132
diff -u -r1.132 Makefile.am
--- Makefile.am 16 Oct 2004 14:43:47 -0000 1.132
+++ Makefile.am 28 Oct 2004 16:30:08 -0000
@@ -120,7 +120,7 @@
## distcheck (at least) by rebuilding ltmain.sh in the source
## tree whenever config.status regenerates the Makefile.
EXTRA_DIST += config/ltmain.sh
-$(top_srcdir)/config/ltmain.sh: $(sh_files) config/ltmain.m4sh configure.ac stamp-vcl
+$(top_srcdir)/config/ltmain.sh: $(sh_files) config/ltmain.m4sh configure.ac
$(top_srcdir)/stamp-vcl
$(timestamp); \
cd $(top_srcdir); \
rm -f config/ltmain.in config/ltmain.tmp config/ltmain.sh; \
@@ -173,7 +173,7 @@
# Automake doesn't want us to generate distributed files from config.status,
# but the alternative (see libtool-1.4.3) was even uglier!
-libtool: $(top_builddir)/config.status config/ltmain.sh stamp-vcl
+libtool: $(top_builddir)/config.status config/ltmain.sh $(top_srcdir)/stamp-vcl
cd $(top_builddir) && $(SHELL) ./config.status $@
.PHONY: configure-subdirs
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