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lalr1.cc: fix test suite portability

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Reported by Rob Vermaas' Hydra build farm on x86_64-darwin 10.2.0 with
G++ 4.6.3.

* tests/headers.at (Several parsers): Include AT_DATA_SOURCE_PROLOGUE
in the files to compile.
* data/location.cc: Do not include twice string and iostream (once
by position.hh, and then by location.hh).
* README-hacking (Typical errors): Some hints for other maintainers.
This commit is contained in:
Akim Demaille
2012-10-04 09:07:42 +02:00
parent a2b3f10183
commit ec78bdab6d
4 changed files with 15 additions and 2 deletions
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13
README-hacking
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@@ -168,6 +168,19 @@ decide whether to update.
** make check
Use liberally.
** Typical errors
If the test suite shows failures such as the following one
.../bison/lib/getopt.h:196:8: error: redefinition of 'struct option'
/usr/include/getopt.h:54:8: error: previous definition of 'struct option'
it probably means that some file was compiled without
AT_DATA_SOURCE_PROLOGUE. This error is due to the fact that our -I pick up
gnulib's replacement headers, such as getopt.h, which will go if config.h
was not included first.
See tests/local.at for details.
** make maintainer-check-valgrind
This target uses valgrind both to check bison, and the generated parsers.