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1e44f853
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2013-01-12T12:53:21
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tests: remove most uses of the AM_PROG_CC_C_O obsolete macro
Our NEWS file says its use will no longer be required in Automake
1.13, so better make sure that is actually the case.
* Several tests: Adjust.
Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>
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34001a98
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2013-01-09T23:16:53
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compile: use 'compile' script when "-c -o" is used with losing compilers
Do so seen when only source files in the "current" directory are present.
This commit is part of a series of related changes addressing automake
bug#13378 (see also the plan 'PLANS/subdir-objects.txt').
Before this change, Automake-generated C compilation rules mistakenly
passed the "-c -o" options combination unconditionally (even to losing
compiler) when the 'subdir-objects' was used but sources were only
present in the top-level directory. Issue spotted by Nick Bowler:
<http://debbugs.gnu.org/cgi/bugreport.cgi?bug=13378#35>
<http://debbugs.gnu.org/cgi/bugreport.cgi?bug=13378#44>
We fix this by having Automake redefine AC_PROG_CC to take over the role
of AM_PROG_CC_C_O and to require the 'compile' script unconditionally
(albeit that will continue to be invoked only when inferior compilers
are detected).
Among other things, this means AM_PROG_CC_C_O explicitly is no longer
required; that macro is still supported for backward-compatibility, but
calling it is basically a no-op now.
This change has some pros and some cons (obviously, we believe the former
outweighs the latter). Here are the most relevant ones:
+ Pros 1:
Some logic in the Automake script has been simplified.
+ Pros 2:
That simplification has automatically fixed an actual bug (see
Nick's mails referenced above; admittedly, that was present only in
corner-case situations, but still); the test 't/ccnoco4.sh', which
demonstrated the bug and has been failing so far, now passes.
+ Pros 3:
Things works more "automagically" now (no need to manually add the
AM_PROG_CC_C_O macro to configure.ac anymore).
* Cons 1:
The 'compile' script will be required in all projects using C
compilation; this will only be a problem for packages not using
'--add-missing'. However, such packages are definitely more rare
than the ones using '--add-missing', and adjusting them will be
trivial -- just copy the compile script over from the new Automake
installation.
* Cons 2:
The copy & paste of autoconf internals hack this change has introduced
in our "rewrite" of AC_PROG_CC is really an egregious abomination. It
can only be justified with the fact that we expect future versions of
autoconf to implement the semantics we need directly in AC_PROG_CC, so
that we'll be able to leverage that (since Automake 1.14 will require
the latest Autoconf version released).
Now, the detailed list of file-by-file changes ...
* automake.in ($seen_cc_c_o): Remove this global variable.
(scan_autoconf_traces): Don't set it, and do not trace the
'AM_PROG_CC_C_O' m4 macro.
(lang_c_rewrite): Remove, no longer needed.
* doc/automake.texi: Adjust expected "autoreconf --install" output
in the amhello example. Remove statements about the need for the
AM_PROG_CC_C_O macro. Report it is obsolete now.
* m4/init.m4: Re-write AC_PROG_CC to append checks about whether the
C compiler supports "-c -o" together. These checks have basically
been ripped out (with adaptations) from the 'AC_PROG_CC_C_O' macro
of Autoconf and ...
* m4/minuso.m4 (AM_PROG_CC_C_O): ... this macro of ours, which has
thus basically become a no-op.
* t/ax/am-test-lib.sh (am_setup_testdir): Also copy the 'compile'
script in the test directory; if we don't do so, every test using
AC_PROG_CC should call automake with the "--add-missing" option, or
copy the 'compile' script itself.
* t/cond11.sh: No need to create a dummy 'compile' script: that is
already brought in by 'am_setup_testdir()', that is automatically
invoked when 'test-lib.sh' is sourced.
* t/add-missing.tap: Adjust: we expect the 'compile' script to be
required by a mere AC_PROG_CC call now.
* t/dist-auxdir-many-subdirs.sh: Likewise.
* t/specflg6.sh: Likewise.
* t/subobj4.sh: Likewise.
* t/cxx-lt-demo.sh: Likewise, and update comments to match.
* t/distcom2.sh: Enhance a little.
* t/dollarvar2.sh: Adjust.
* t/extra-portability.sh: Likewise.
* t/libobj19.sh: Likewise.
* t/per-target-flags.sh: Likewise.
* t/repeated-options.sh: Likewise.
* t/subobj.sh: Likewise, and enhance a little.
* t/ccnoco2.sh: Remove as obsolete.
* t/list-of-tests.mk (handwritten_TESTS): Adjust.
(XFAIL_TESTS): Remove 't/ccnoco4.sh'.
* NEWS: Update.
Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>
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7df8b28c
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2012-12-31T18:18:37
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maint: update copyright year for 2013 (in branch maint)
Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>
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f1c6ce7b
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2012-10-31T11:41:31
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tests: remove spurious leftover use of 'Exit'
Issue revealed by the 'sc_tests_Exit_not_exit' maintainer check.
Commit 'v1.12.4-184-g9fed1c8' in master made the same fix basically,
but we mistakenly applied it to master only, rather than to maint.
* t/per-target-flags.sh: Here.
Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>
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9fed1c81
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2012-10-27T17:34:50
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tests: remove spurious leftover use of 'Exit'
* t/per-target-flags.sh: Here, and simply use 'exit' instead.
Issue revealed by the 'sc_tests_Exit_not_exit' maintainer check.
Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>
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5ddf1007
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2012-10-27T16:41:39
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tests: prefer including 'test-init.sh' rather than './defs'
This is a follow-up to today's commit v1.12.4-22-g0610fc8,
"tests: prepare to move ./defs to t/ax/test-init.sh"
* All tests: To run the common setup, use the command:
. test-init.sh
instead of the older, "historical" one:
. ./defs || exit 1
Note that the "|| exit 1" wasn't really useful, since the 'errexit'
shell flag is in effect in both './defs' and 'test-init.sh', and all
the known shells that are good enough to run the automake testsuite
do automatically exit with error when a sourced file cannot be found
(at least, they do so in non-interactive mode, which is the only
mode that concerns us in the testsuite).
* t/ax/tap-summary-aux.sh, t/ax/testsuite-summary-checks.sh: Likewise.
* gen-testsuite-part: Do the same in the generated tests.
Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>
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9a2796ad
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2012-06-09T20:49:09
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tests: merge, tweak and modernize few test scripts
Basically an adjusted-and-improved cherry-pick from Automake-NG
commit v1.12.1-343-gff30f83.
* t/specflg.sh, t/specflg2.sh, t/specflg3.sh: Merged into ...
* t/per-target-flags.sh: ... this test.
* t/fo.sh: Remove, its weak grepping checks well superseded by
the semantic checks in 't/fort4.sh'.
* t/cxxo.sh: Remove, its weak grepping checks well superseded
by the semantic checks in 't/cxx-demo.sh'.
* t/cxxcpp.sh: Enhance a little.
* t/empty.sh: Renamed ...
* t/empty-data-primary.sh: ... to this. Add trailing ':' command.
* t/empty2.sh, t/empty3.sh, t/empty4.sh: Merged ...
* t/empty-sources-primary.tap: ... into this new test.
* t/no-outdir-option.sh: Remove. A test to check than an obsolete
and now deleted option ("--output-dir") stays deleted is way too
much even for the most test-infected person ;-)
* t/list-of-tests.mk: Adjust.
Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>
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