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build: fix the generation of the documentation.

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Some of our targets use "bison --help", but they can't depend on
"bison" itself (to avoid additional requirements on the user), so
they used to call "make src/bison" in the commands.  Then
concurrent builds may fail: one make might be aiming one of its
jobs at compiling src/bison, and another job at generating the man
page.  If the latter is faster than the former, then we have two
makes that concurrently try to compile src/bison.

This might also be a more convincing explanation for the failure
described in the patch "build: fix paths".

	* Makefile.am (SUFFIXES): Initialize.
	* build-aux/move-if-change: New, symlink to gnulib's.
	* build-aux/local.mk: Ship it.
	* doc/common.x: Remove, merged into...
	* doc/bison.x: here.
	* doc/local.mk (doc/bison.help): New.
	($(CROSS_OPTIONS_TEXI)): Depend on it.
	Use src/bison.
	(.x.1): Replace with...
	(doc/bison.1): this explicit, simpler, target.
	(common_dep): Remove, inlined where appropriate.
	(SUFFIXES, PREPATH): Remove, unused.
This commit is contained in:
Akim Demaille
2009-08-12 14:47:08 +02:00
parent d1b55e8115
commit 9f14e18736
9 changed files with 83 additions and 37 deletions
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@@ -1,3 +1,30 @@
2009-08-12 Akim Demaille <demaille@gostai.com>
build: fix the generation of the documentation.
Some of our targets use "bison --help", but they can't depend on
"bison" itself (to avoid additional requirements on the user), so
they used to call "make src/bison" in the commands. Then
concurrent builds may fail: one make might be aiming one of its
jobs at compiling src/bison, and another job at generating the man
page. If the latter is faster than the former, then we have two
makes that concurrently try to compile src/bison.
This might also be a more convincing explanation for the failure
described in the patch "build: fix paths".
* Makefile.am (SUFFIXES): Initialize.
* build-aux/move-if-change: New, symlink to gnulib's.
* build-aux/local.mk: Ship it.
* doc/common.x: Remove, merged into...
* doc/bison.x: here.
* doc/local.mk (doc/bison.help): New.
($(CROSS_OPTIONS_TEXI)): Depend on it.
Use src/bison.
(.x.1): Replace with...
(doc/bison.1): this explicit, simpler, target.
(common_dep): Remove, inlined where appropriate.
(SUFFIXES, PREPATH): Remove, unused.
2009-08-12 Akim Demaille <demaille@gostai.com>
gnulib: improve prefixing.