done; \
done | sort)
-xdefs = $(srcdir)/defs $(srcdir)/defs-static.in
+xdefs = $(srcdir)/t/ax/test-init.sh $(srcdir)/defs $(srcdir)/defs-static.in
ams := $(shell find $(srcdir) -name '*.dir' -prune -o -name '*.am' -print)
# guaranteed to work on my machine.
syntax_check_rules = \
$(sc_tests_plain_check_rules) \
-sc_test_names \
sc_diff_automake_in_automake \
sc_diff_aclocal_in_automake \
sc_perl_syntax \
sc_perl_local \
sc_AMDEP_TRUE_in_automake_in \
sc_tests_make_without_am_makeflags \
+$(sc_obsolete_requirements_rules) \
sc_tests_obsolete_variables \
sc_tests_here_document_format \
+sc_tests_command_subst \
sc_tests_Exit_not_exit \
sc_tests_automake_fails \
sc_tests_required_after_defs \
sc_tests_overriding_macros_on_cmdline \
sc_tests_plain_sleep \
+sc_tests_ls_t \
sc_m4_am_plain_egrep_fgrep \
sc_tests_no_configure_in \
sc_tests_PATH_SEPARATOR \
sc_tabs_in_texi \
sc_at_in_texi
-## Look for test whose names can cause spurious failures when used as
-## first argument to AC_INIT (chiefly because they might contain an
-## m4/m4sugar builtin or macro name).
-m4_builtins = \
- __gnu__ \
- __unix__ \
- bpatsubst \
- bregexp \
- builtin \
- changecom \
- changequote \
- changeword \
- debugfile \
- debugmode \
- decr \
- define \
- defn \
- divert \
- divnum \
- dnl \
- dumpdef \
- errprint \
- esyscmd \
- eval \
- format \
- ifdef \
- ifelse \
- include \
- incr \
- index \
- indir \
- len \
- m4exit \
- m4wrap \
- maketemp \
- mkstemp \
- patsubst \
- popdef \
- pushdef \
- regexp \
- shift \
- sinclude \
- substr \
- symbols \
- syscmd \
- sysval \
- traceoff \
- traceon \
- translit \
- undefine \
- undivert
-sc_test_names:
- @m4_builtin_rx=`echo $(m4_builtins) | sed 's/ /|/g'`; \
- m4_macro_rx="\\<($$m4_builtin_rx)\\>|\\<_?(A[CUMHS]|m4)_"; \
- if { \
- for t in $(xtests); do echo $$t; done \
- | LC_ALL=C grep -E "$$m4_macro_rx"; \
- }; then \
- echo "the names of the tests above can be problematic" 1>&2; \
- echo "Avoid test names that contain names of m4 macros" 1>&2; \
- exit 1; \
- fi
-
## These check avoids accidental configure substitutions in the source.
## There are exactly 9 lines that should be modified from automake.in to
## automake, and 10 lines that should be modified from aclocal.in to
@perllibdir="./lib$(PATH_SEPARATOR)$(srcdir)/lib" $(PERL) -c -w automake
@perllibdir="./lib$(PATH_SEPARATOR)$(srcdir)/lib" $(PERL) -c -w aclocal
-## expect no instances of '${...}'. However, $${...} is ok, since that
+## Expect no instances of '${...}'. However, $${...} is ok, since that
## is a shell construct, not a Makefile construct.
sc_no_brace_variable_expansions:
- @if grep -F '$${' $(ams) | grep -F -v '$$$$'; then \
+ @if grep -v '^ *#' $(ams) | grep -F '$${' | grep -F -v '$$$$'; then \
echo "Found too many uses of '\$${' in the lines above." 1>&2; \
exit 1; \
else :; fi
## Make sure 'rm' is called with '-f'.
sc_rm_minus_f:
@if grep -v '^#' $(ams) $(xtests) \
- | grep -v '/spy-rm\.tap:' \
+ | grep -vE '/(spy-rm\.tap|subobj-clean.*-pr10697\.sh):' \
| grep -E '\<rm ([^-]|\-[^f ]*\>)'; \
then \
echo "Suspicious 'rm' invocation." 1>&2; \
exit 1; \
else :; fi
+## Look out for obsolete requirements specified in the test cases.
+sc_obsolete_requirements_rules = sc_no_texi2dvi-o sc_no_makeinfo-html
+modern-requirement.texi2dvi-o = texi2dvi
+modern-requirement.makeinfo-html = makeinfo
+
+$(sc_obsolete_requirements_rules): sc_no_% :
+ @if grep -E 'required=.*\b$*\b' $(xtests); then \
+ echo "Requirement '$*' is obsolete and shouldn't" \
+ "be used anymore." >&2; \
+ echo "You should use '$(modern-requirement.$*)' instead." >&2; \
+ exit 1; \
+ fi
+
## Tests should never call some programs directly, but only through the
## corresponding variable (e.g., '$MAKE', not 'make'). This will allow
## the programs to be overridden at configure time (for less brittleness)
## Tests should only use END and EOF for here documents
## (so that the next test is effective).
sc_tests_here_document_format:
- @if grep '<<' $(xtests) | grep -Ev '\b(END|EOF)\b|\bstd::cout <<'; then \
+ @if grep '<<' $(xtests) | grep -Ev '\b(END|EOF)\b|\bcout <<'; then \
echo 'Use here documents with "END" and "EOF" only, for greppability.' 1>&2; \
exit 1; \
fi
+## Our test case should use the $(...) POSIX form for command substitution,
+## rather than the older `...` form.
+## The point of ignoring text on here-documents is that we want to exempt
+## Makefile.am rules, configure.ac code and helper shell script created and
+## used by out shell scripts, because Autoconf (as of version 2.69) does not
+## yet ensure that $CONFIG_SHELL will be set to a proper POSIX shell.
+sc_tests_command_subst:
+ @found=false; \
+ scan () { \
+ sed -n -e '/^#/d' \
+ -e '/<<.*END/,/^END/b' -e '/<<.*EOF/,/^EOF/b' \
+ -e 's/\\`/\\{backtick}/' \
+ -e "s/[^\\]'\([^']*\`[^']*\)*'/'{quoted-text}'/g" \
+ -e '/`/p' $$*; \
+ }; \
+ for file in $(xtests); do \
+ res=`scan $$file`; \
+ if test -n "$$res"; then \
+ echo "$$file:$$res"; \
+ found=true; \
+ fi; \
+ done; \
+ if $$found; then \
+ echo 'Use $$(...), not `...`, for command substitutions.' >&2; \
+ exit 1; \
+ fi
+
## Tests should never call exit directly, but use Exit.
## This is so that the exit status is transported correctly across the 0 trap.
-## Ignore comments, testsuite self tests, and one perl line in ext2.sh.
+## Ignore comments and our testsuite's own self tests.
sc_tests_Exit_not_exit:
@found=false; for file in $(xtests); do \
case $$file in */self-check-*) continue;; esac; \
- res=`sed -n -e '/^#/d; /^\$$PERL/d' -e '/<<.*END/,/^END/b' \
- -e '/<<.*EOF/,/^EOF/b' -e '/exit [$$0-9]/p' $$file`; \
+ res=`sed -n -e '/^#/d' -e '/<<.*END/,/^END/b' -e '/<<.*EOF/,/^EOF/b' \
+ -e '/exit [$$0-9]/p' $$file`; \
if test -n "$$res"; then \
echo "$$file:$$res"; \
found=true; \
exit 1; \
fi
+## Prefer use of our 'is_newest' auxiliary script over the more hacky
+## idiom "test $(ls -1t new old | sed 1q) = new", which is both more
+## cumbersome and more fragile.
+sc_tests_ls_t:
+ @if LC_ALL=C grep -E '\bls(\s+-[a-zA-Z0-9]+)*\s+-[a-zA-Z0-9]*t' \
+ $(xtests); then \
+ echo "Use 'is_newest' rather than hacks based on 'ls -t'" 1>&2; \
+ exit 1; \
+ fi
+
## Never use 'sleep 1' to create files with different timestamps.
## Use '$sleep' instead. Some filesystems (e.g., Windows) have only
## a 2sec resolution.
projects / platform / upstream / automake.git / blobdiff