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With this change, our testsuite now uses 'configure.ac' as the
name for the typical autoconf input, instead of the obsolescent
'configure.in' (which has been deprecated for several years, at
least since autoconf 2.50).
Most of the test cases changed by this commit have been
automatically modified with this sed command (using GNU
sed):
sed -i 's/\<configure\(\\\?\)\.in\>/configure\1.ac/g'
* syntax-checks.mk (sc_tests_no_configure_in): New syntax check.
(syntax_check_rules): Add it.
* tests/defs: Create stub for autoconf input in 'configure.ac',
not in 'configure.in'. Adjust comments.
($AUTOCONF, $AUTOHEADER, $AUTORECONF): Remove workaround for the
infamous debian autoconf wrapper: we don't need such workaround
anymore now that we name our autoconf input as 'configure.ac'.
For more information, see commit v1.11-564-g63da492 "test defs:
hack to support autoconf-wrapper programs" of 16-12-2011.
* tests/README: Use 'configure.ac', not 'configure.in'.
* Many many tests: Likewise.
* tests/backcompat3.test: Adjust to avoid spurious failures.
* tests/backcompat5.test: Likewise.
* tests/missing6.test: Likewise.
* tests/backcompat6.test: Likewise, and extend a bit since we
are at it.
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With this commit, we introduce a new helper shell script for use
in the testsuite, which is meant to allow the test cases to easily
check whether two whitespace-separated lists are equal; this ability
is particularly useful to check for equality of the contents of make
variables that are expected to contain multiple whitespace-separated
words, and are defined through line continuations (or are rewritten
by automake in this way), or that contain expansion of potentially
empty variables.
Before this change, a test checking that an usage like this one:
VAR = valA
if COND1
VAR += val1 # com1
endif COND1
VAR += valC
worked as expected, couldn't use rules like:
## Doesn't work because $(VAR) expands to multiple words
verify:
test $(VAR) = "valA val1 valC"
nor like:
## Doesn't work because the final expansion of $(VAR) contains
## repeated contiguous whitespace characters (it actually
## equals "valA val1 valC", not "valA val1 valC"), and this
## is an internal detail which might change and which we don't
## want to explicitly rely on.
verify:
test "$(VAR)" = "valA val1 valC"
Instead, we had to rely on cumbersome workaround such as:
## This works, but is ugly.
verify:
test "`echo $(VAR)`" = "valA val1 valC"
or:
## This works, but is even uglier.
verify:
echo BEG: $(VAR) :END | grep "BEG: valA val1 valC :END"
Now, with the help of the new 'is' script, we can perform such a
check in a clearer and more straightforward way, as in:
## Works, and reads clearly.
verify:
is $(VAR) == valA val1 valC
* tests/is: New helper shell script, telling whether two whitespace
separated lists are equal.
* Makefile.am (EXTRA_DIST): Add it.
* tests/colneq2.test: Use the new helper script, and accordingly
get rid of older, more cumbersome idioms.
* tests/cond11.test: Likewise.
* tests/cond16.test: Likewise.
* tests/cond18.test: Likewise.
* tests/cond22.test: Likewise.
* tests/cond31.test: Likewise.
* tests/cond38.test: Likewise.
* tests/test-logs-repeated.test: Likewise.
* tests/objext-pr10128.test: Likewise.
* tests/programs-primary-rewritten.test: Likewise.
* tests/substre2.test: Likewise. Also ...
(configure.in, Makefile.am): Add a couple of hack to avoid having
to require (and run) a C compiler; accordingly ...
($required): ... remove this.
* tests/exeext4.test: Likewise.
* tests/substref.test: Likewise. Also ...
(hello.c): Use ": >" rather than "cat <<EOF" to generate it,
since it's meant to be empty anyway.
* tests/cond4.test: Use the new helper script, and accordingly
get rid of older, more cumbersome idioms. Avoid some unnecessary
uses of "make -e" since we are at it.
* tests/cond19.test: Likewise.
* tests/cond32.test: Likewise.
* tests/cond6.test: Use the new helper script, and accordingly
move some checks in the Makefile.am.
Avoid unnecessary execution of automake remake rules by manually
"touching" aclocal.m4
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