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Pattern rules are cleaner, safer, and vouched for in the GNU make manual
itself. Supporting them instead of suffix rules will also allow us to
simplify a little the automake script, auxiliary perl modules, and
documentation.
This change introduces a slight backward-incompatibility now, in that
user provided definitions of the SUFFIXES variable or of the .SUFFIXES
target, as well as old-fashioned suffix rules, are now rejected.
Automake-NG still tries to parse and understand suffix-based pattern
rules though, to retain support for user-added file extensions in the
_SOURCES variables (see "Handling new file extensions" in the Automake
manual).
So, an usage like:
SUFFIXES = .baz .c
.baz.c:
cp $< $@
foo_SOURCES = foo.c bar.baz
DISTCLEANFILES = bar.c
which was valid with mainline Automake, should be translated for
Automake-NG as:
%.c: %.baz
cp $< $@
bin_PROGRAMS = foo
foo_SOURCES = foo.c sub/bar.baz
DISTCLEANFILES = bar.c
Note that suffix-based pattern rules with dot-less suffix are *not*
supported.
* NG-NEWS: Update.
* doc/automake.texi: Likewise.
* lib/am/footer.am: Declare '.SUFFIXES:' with empty dependencies, to
neutralize the default suffix rules.
* automake.in (&handle_footer): Reject the 'SUFFIXES' variable. Don't
process its content anymore. Don't generate the .SUFFIXES special target
anymore.
(&var_SUFFIXES_trigger): Remove. And don't install it as an hook for the
now-deprecated 'SUFFIXES' variable.
* lib/Automake/Rule.pm (&define): Don't process old-fashioned suffix
rules specially, but just reject them. Instead, process pattern rules
specially.
($_SUFFIX_RULE_PATTERN): Made local to the '&define' function, renaming
it as '$suffix_rule_rx'.
(&suffixes, @_suffixes): Delete, they are no more used.
(@EXPORT): Adjust.
(register_suffix_rule): Don't extend '@_suffixes' anymore.
(reset): Don't reset '@_suffixes' anymore.
* t/ext3.sh: Remove as obsolete.
* t/suffix4.sh: Likewise.
* t/suffix6.sh: Likewise.
* t/suffix6b.sh: Likewise.
* t/suffix7.sh: Likewise.
* t/suffix11.tap: Likewise.
* t/suffix6c.sh: Rename ...
* t/suffix-obj.sh: .. like this, and adjust.
* t/suffix-chain.tap: Rewrite a as "simple" test (rather than as
a TAP test), adjust, and rename ...
* t/suffix-chain.sh: ... like this.
* t/suffix3.tap: Likewise rewrite and rename ...
* t/suffix3.sh: ... like this.
* t/suffix8.tap: Likewise rewrite and rename ...
* t/suffix8.sh: ... like this.
* t/suffix10.tap: Likewise rewrite and rename ...
* t/suffix10.sh: ... like this.
* t/suffix5.sh: Adjust.
* t/suffix9.sh: Likewise.
* t/suffix13.sh: Likewise.
* t/parallel-tests8.sh: Likewise.
* t/warnings-strictness-interactions.sh: Likewise.
* t/warnings-win-over-strictness.sh: Likewise.
* t/warnings-precedence.sh: Likewise.
* t/warnings-override.sh: Likewise.
* t/warning-groups-win-over-strictness.sh: Likewise.
* t/amopts-variable-expansion.sh: Likewise.
* t/specflg10.sh: Likewise.
* t/suffix-rules-reject.sh: New test.
Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>
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* master:
vala tests: force the use of automatic dependency tracking
tests: avoid spurious failures in tests on C++ and lex
tests: avoid spurious failures with non-flex 'lex' programs and C++
tests: avoid a spurious failures for shells with busted 'set -e'
maint: simplify generation of files with @substed@ stuff
tests: remove redundant requirement
tests: make two test scripts executable
t/README: update w.r.t. recent overhaul (non-recursive build system)
docs: fix names of relevant test cases in comments
NEWS: automake build systems avoids make recursion
maint: no more make recursion in Automake's build system
tests: rename 'tests/' => 't/', '*.test' => '*.sh'
tests: remove recipes that run tests with 'prove'
tests: move most helper scripts and files into the 'ax' subdirectory
maint: remove most recursion in automake's own build system
tests: fix a spurious failures with non-GNU make
+ Extra non-trivial edits:
* Makefile.am: Remove new uses of 'AM_MAKEFLAGS' throughout.
(dist_automake_ac_DATA): Do not list 'm4/depout.m4' nor
'm4/make.m4'.
* syntax-checks.m4: Use '$(xdefs)' instead of hard-coding the
older paths of 'defs' and 'defs-static.in'. Use 't/README'
instead of 'tests/README'.
* t/instdir-no-empty.sh: Remove uses of 'AM_MAKEFLAGS'.
* tests/depcomp-recover.test: Renamed ...
* t/depcomp-recover.sh: ... to this.
* tests/gmake-vars.test: Renamed ...
* t/gmake-vars.sh: ... to this.
* tests/interp3.test: Renamed ...
* t/interp3.sh: ... to this.
* tests/objdir.test: Renamed ...
* t/objdir.sh: ... to this.
* tests/spy-vpath-rewrite.test: Renamed ...
* t/spy-vpath-rewrite.sh: ... to this.
* tests/vpath-rewrite.test: Renamed ...
* t/vpath-rewrite.sh: ... to this.
* tests/yacc-subobj-nodep.test: Renamed ...
* t/yacc-subobj-nodep.sh: ... to this.
* tests/depcomp-shuffle.sh: Renamed ...
* t/ax/depcomp-shuffle.sh: ... to this, and removed executable bit.
* t/depcomp-shuffle-sub-vpath.sh: Adjust.
* t/depcomp-shuffle-sub.sh: Likewise.
* t/depcomp-shuffle-vpath.sh: Likewise.
* t/depcomp-shuffle.sh: Likewise.
* gen-testsuite-part: Likewise.
* t/list-of-tests.mk: Do not list tests that had been already
removed from the Automake-NG testsuite. Take into account the
renames above.
Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>
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When we (soon) convert the Automake testsuite to a non-recursive
make setup, we'll have to fix the entries of $(TESTS) to be
prepended with the subdirectory they are in; this will increase
the length of $(TESTS), and thus increase the possibility of
exceeding the command-line length limits on some systems (most
notably, MinGW/MSYS). See automake bug#7868 for more information.
Thus we rename the 'tests/' subdirectory to 't/', and each 'x.test'
script in there to 'x.sh'; this way, the $(TESTS) entry 'foo.test'
will become 't/foo.sh', which have the same number of characters.
* tests/: Rename ...
* t/: ... to this.
* t/*.test: Rename ...
* t/*.sh: ... to this.
* t/.gitignore: Removed as obsolete.
* t/defs: Adjust.
* t/gen-testsuite-part: Likewise.
* t/list-of-tests.mk: Likewise.
* t/ccnoco.sh: Likewise.
* t/ccnoco3.sh: Likewise.
* t/self-check-cleanup.tap: Likewise.
* t/self-check-dir.tap: Likewise.
* t/self-check-me.tap: Likewise.
* t/self-check-reexec.tap: Likewise.
* README: Likewise.
* bootstrap: Likewise
* configure.ac: Likewise.
* Makefile.am: Likewise.
* .gitignore: Likewise.
* syntax-check.mk: Likewise.
Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>
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