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build: fix paths.

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When using $(top_builddir) inconsistently, Make (including GNU
Make) is sometimes confused.  As a result it may want to build
lib/libbison.la and $(top_builddir)/lib/libbison.la (the same
file, different names) concurrently, which, amusingly enough,
might end with:

  ranlib lib/libbison.a
  ranlib lib/libbison.a
  make[2]: *** [lib/libbison.a] Segmentation fault

on OS X.

	* doc/local.mk, src/local.mk: Do not use $(top_builddir) when not
	needed.
This commit is contained in:
Akim Demaille
2009-07-01 12:19:09 +02:00
parent 67af719840
commit 838205d547
3 changed files with 21 additions and 3 deletions
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2
doc/local.mk
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@@ -35,7 +35,7 @@ $(CROSS_OPTIONS_TEXI): $(top_srcdir)/src/getargs.c $(CROSS_OPTIONS_PL)
{ test ! -f $@ || cat $@; } >$@~
test ! -f $@.tmp || rm -f $@.tmp
$(MAKE) $(AM_MAKEFLAGS) src/bison$(EXEEXT)
$(top_builddir)/src/bison --help | \
src/bison --help | \
perl $(CROSS_OPTIONS_PL) $(top_srcdir)/src/scan-gram.l >$@.tmp
diff -u $@~ $@.tmp || true
mv $@.tmp $@