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* examples: beware of the portability of flex --header-fileAkim Demaille2020-05-031-1/+3
| | | | | | | | | | | | | | The option --header was introduced in version 2.5.6. The option --header-file was introduced in version 2.6.4. Reported by Bruno Haible. https://lists.gnu.org/r/bug-bison/2020-05/msg00013.html So use --header, and do bother with versions that don't support it. * m4/flex.m4: Check whether flex supports --header. * configure.ac (FLEX_WORKS, FLEX_CXX_WORKS): Set to false if it doesn't. * * examples/c/reccalc/local.mk, examples/c/reccalc/Makefile: Use --header rather than --header-file.
* package: bump copyrights to 2020Akim Demaille2020-01-051-1/+1
| | | | Run 'make update-copyright'.
* examples: fix missing dependenciesAkim Demaille2019-10-241-3/+27
| | | | | | | | | | | Reported by Thomas Petazzoni. https://lists.gnu.org/archive/html/bug-bison/2019-08/msg00000.html * examples/c/reccalc/local.mk: Complete dependencies, including for earlier versions of Automake (for sake of our CI, on top of Ubuntu Xenial/Bionic, which feature only Automake 1.15). (%D%/scan.c %D%/scan.h): Upgrade to the full version provided in Automake's documentation.
* style: comment changesAkim Demaille2019-06-271-3/+3
| | | | | * examples/c/lexcalc/local.mk, examples/c/reccalc/local.mk: Here.
* examples: don't run those that require f?lex when it's not availableAkim Demaille2019-05-191-7/+10
| | | | | | | | Reported by Bruno Haible. http://lists.gnu.org/archive/html/bug-bison/2019-05/msg00026.html * configure.ac (FLEX_WORKS): New. * examples/c/lexcalc/local.mk, examples/c/reccalc/local.mk: Use it.
* build: do not use $< in plain rulesAkim Demaille2019-05-131-1/+1
| | | | | | | | | | | | It works only in implicit rules (or with GNU Make, but not with Solaris Make). Reported by Bruno Haible. http://lists.gnu.org/archive/html/bug-bison/2019-05/msg00009.html Diagnosed thanks to Kiyoshi Kanazawa. * examples/c/reccalc/local.mk, examples/d/local.mk, * examples/java/local.mk: Don't use $< in non implicit rules.
* package: add missing CLEANFILESAkim Demaille2019-04-281-1/+1
| | | | * examples: here.
* package: don't ship the sources generated from the parserAkim Demaille2019-04-281-2/+1
| | | | | | | | | | | | | | | | | | | | | | | Because some of our examples use %C%_reccalc_SOURCES = %D%/parse.y Automake ships parse.y and parse.c, and possibly parse.h when it "understands" that there is one. This is not what we want: ship only parser.y. Yet we still want to use Automake to compile the sources from parser.y. The easiest seems to use nodist_%C%_reccalc_SOURCES = %D%/parse.y together with dist_reccalc_DATA = %D%/parse.y %D%/scan.l %D%/Makefile %D%/README.md which guarantees that parse.y is indeed shipped. * examples/c/calc/local.mk, examples/c/lexcalc/local.mk, * examples/c/reccalc/local.mk: Always use nodist_*SOURCES for parsers, let the dist_*_DATA rules do their job.
* examples: add an example with a reentrant parser in Flex+BisonAkim Demaille2019-02-171-0/+53
Suggested by Eric S. Raymond. https://lists.gnu.org/archive/html/bison-patches/2019-02/msg00066.html * examples/c/reentrant-calc/Makefile, examples/c/reentrant-calc/README.md, * examples/c/reentrant-calc/parse.y, examples/c/reentrant-calc/scan.l * examples/c/reentrant-calc/lexcalc.test, * examples/c/reentrant-calc/local.mk: New.
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