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maint: fix example extraction issues.

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calc++: don't rely on Automake to compile a C++ parser.

Basically, revert commit 609b3d8096,
Automake 1.11.3 is not safe enough for C++ parser.

	* examples/calc++/calc++-parser.hh: Remove.
	* examples/calc++/local.mk (examples/calc++/calc++-parser.stamp):
	New.

examples: factor the extractions into a single step

extexi had to be run in the extraction directory.  Now, it can be
given the files with expected output directory.  This allows to
use $(*_extracted) variables (before we had to list again their
members, but limited to their base names).  In turn, this also
allows fusing the extraction recipes into a single one.

Also, it is currently too hard (or requires too much duplication,
since Make wants all the occurrences of the files to be prefixed with
$(srcdir)/, which is something Automake cannot support for *_SOURCES)
to work in the source tree.  So extract, and compile scanners and parsers
in the build tree.

	* examples/extexi (basename): New.
	(BEGIN): Now "file_wanted" maps base name to extracted file name.
	* examples/calc++/local.mk, examples/mfcalc/local.mk,
	* examples/rpcalc/local.mk: Fuse extraction rules into...
	* examples/local.mk: Here.
	(extract, extracted): New.
This commit is contained in:
Akim Demaille
2012-02-22 14:42:39 +01:00
parent f518dbaf46
commit 2191bb749b
7 changed files with 84 additions and 90 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
examples/local.mk
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@@ -13,11 +13,28 @@
## You should have received a copy of the GNU General Public License
## along with this program. If not, see <http://www.gnu.org/licenses/>.
doc = $(top_srcdir)/doc/bison.texinfo
extexi = $(top_srcdir)/examples/extexi
dist_noinst_SCRIPTS = examples/extexi examples/test
TEST_LOG_COMPILER = $(top_srcdir)/examples/test
## ------------ ##
## Extracting. ##
## ------------ ##
doc = $(top_srcdir)/doc/bison.texinfo
extexi = $(top_srcdir)/examples/extexi
extract = $(AWK) -f $(extexi) -v VERSION="$(VERSION)" $(doc) --
extracted =
MAINTAINERCLEANFILES += $(extracted)
examples/extracted.stamp: $(doc) $(extexi)
$(AM_V_GEN)rm -f $@ $@.tmp
$(AM_V_at)touch $@.tmp
$(AM_V_at)$(extract) $(extracted)
$(AM_V_at)mv $@.tmp $@
$(extracted): examples/extracted.stamp
@test -f $@ || rm -f examples/extracted.stamp
@test -f $@ || $(MAKE) $(AM_MAKEFLAGS) examples/extracted.stamp
include examples/calc++/local.mk
include examples/mfcalc/local.mk
include examples/rpcalc/local.mk