# Maintainer checks for Automake. Requires GNU make.
-# Copyright (C) 2012 Free Software Foundation, Inc.
+# Copyright (C) 2012-2013 Free Software Foundation, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
xdefs = \
$(srcdir)/t/ax/am-test-lib.sh \
$(srcdir)/t/ax/test-lib.sh \
- $(srcdir)/t/ax/test-defs.in \
- $(srcdir)/defs
+ $(srcdir)/t/ax/test-defs.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_diff_automake_in_automake \
-sc_diff_aclocal_in_automake \
-sc_perl_syntax \
+sc_diff_automake \
+sc_diff_aclocal \
sc_no_brace_variable_expansions \
sc_rm_minus_f \
sc_no_for_variable_in_macro \
sc_AMDEP_TRUE_in_automake_in \
sc_tests_make_without_am_makeflags \
$(sc_obsolete_requirements_rules) \
+sc_tests_no_source_defs \
sc_tests_obsolete_variables \
sc_tests_here_document_format \
sc_tests_command_subst \
-sc_tests_Exit_not_exit \
+sc_tests_exit_not_Exit \
sc_tests_automake_fails \
sc_tests_required_after_defs \
sc_tests_overriding_macros_on_cmdline \
sc_at_in_texi
## 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
-## aclocal; these wors out to 32 and 34 lines of diffs, respectively.
-sc_diff_automake_in_automake:
- @if test `diff $(srcdir)/automake.in automake | wc -l` -ne 32; then \
- echo "found too many diffs between automake.in and automake" 1>&2; \
- diff -c $(srcdir)/automake.in automake; \
- exit 1; \
- fi
-sc_diff_aclocal_in_aclocal:
- @if test `diff $(srcdir)/aclocal.in aclocal | wc -l` -ne 34; then \
- echo "found too many diffs between aclocal.in and aclocal" 1>&2; \
- diff -c $(srcdir)/aclocal.in aclocal; \
- exit 1; \
- fi
-
-## Syntax check with default Perl (on my machine, Perl 5).
-sc_perl_syntax:
- @perllibdir="./lib$(PATH_SEPARATOR)$(srcdir)/lib" $(PERL) -c -w automake
- @perllibdir="./lib$(PATH_SEPARATOR)$(srcdir)/lib" $(PERL) -c -w aclocal
+## There are exactly 8 lines that should be modified from automake.in to
+## automake, and 9 lines that should be modified from aclocal.in to
+## aclocal.
+automake_diff_no = 8
+aclocal_diff_no = 9
+sc_diff_automake sc_diff_aclocal: sc_diff_% :
+ @set +e; tmp=$*-diffs.tmp; \
+ diff -u $(srcdir)/$*.in $* > $$tmp; test $$? -eq 1 || exit 1; \
+ added=`grep -v '^+++ ' $$tmp | grep -c '^+'` || exit 1; \
+ removed=`grep -v '^--- ' $$tmp | grep -c '^-'` || exit 1; \
+ test $$added,$$removed = $($*_diff_no),$($*_diff_no) \
+ || { \
+ echo "Found unexpected diffs between $*.in and $*"; \
+ echo "Lines added: $$added" ; \
+ echo "Lines removed: $$removed"; \
+ cat $$tmp >&2; \
+ exit 1; \
+ } >&1; \
+ rm -f $$tmp
## Expect no instances of '${...}'. However, $${...} is ok, since that
## is a shell construct, not a Makefile construct.
sc_no_brace_variable_expansions:
@if grep -v '^ *#' $(ams) | grep -F '$${' | grep -F -v '$$$$'; then \
echo "Found too many uses of '\$${' in the lines above." 1>&2; \
- exit 1; \
+ exit 1; \
else :; fi
## Make sure 'rm' is called with '-f'.
| grep -E '\<rm ([^-]|\-[^f ]*\>)'; \
then \
echo "Suspicious 'rm' invocation." 1>&2; \
- exit 1; \
+ exit 1; \
else :; fi
## Never use something like "for file in $(FILES)", this doesn't work
exit 1; \
fi
-## Tests should no more call 'Exit', just 'exit'. That's because we
+## Tests should no longer call 'Exit', just 'exit'. That's because we
## now have in place a better workaround to ensure the exit status is
## transported correctly across the exit trap.
-sc_tests_Exit_not_exit:
+sc_tests_exit_not_Exit:
@if grep 'Exit' $(xtests) $(xdefs) | grep -Ev '^[^:]+: *#' | grep .; then \
echo "Use 'exit', not 'Exit'; it's obsolete now." 1>&2; \
exit 1; \
fi
+## Guard against obsolescent uses of ./defs in tests. Now,
+## 'test-init.sh' should be used instead.
+sc_tests_no_source_defs:
+ @if grep -E '\. .*defs($$| )' $(xtests); then \
+ echo "Source 'test-init.sh', not './defs'." 1>&2; \
+ exit 1; \
+ fi
+
## Use AUTOMAKE_fails when appropriate
sc_tests_automake_fails:
@if grep -v '^#' $(xtests) | grep '\$$AUTOMAKE.*&&.*exit'; then \
# The first s/// tries to account for usages like "$MAKE || st=$?".
# 'DISTCHECK_CONFIGURE_FLAGS' and 'exp' are allowed to contain whitespace in
# their definitions, hence the more complex last three substitutions below.
-# Also, the 'make-dryrun.sh' is whitelisted, since there we need to
-# override variables from the command line in order to cover the expected
-# code paths.
- @tests=`for t in $(xtests); do \
- case $$t in */make-dryrun.sh);; *) echo $$t;; esac; \
- done`; \
- if sed -e 's/ || .*//' -e 's/ && .*//' \
+ @if sed -e 's/ || .*//' -e 's/ && .*//' \
-e 's/ DESTDIR=[^ ]*/ /' -e 's/ SHELL=[^ ]*/ /' \
-e 's/ V=[^ ]*/ /' -e 's/ DISABLE_HARD_ERRORS=[^ ]*/ /' \
-e "s/ DISTCHECK_CONFIGURE_FLAGS='[^']*'/ /" \
- -e 's/ DISTCHECK_CONFIGURE_FLAGS="[^"]*"/ /' \
- -e 's/ DISTCHECK_CONFIGURE_FLAGS=[^ ]/ /' \
+ -e 's/ DISTCHECK_CONFIGURE_FLAGS="[^"]*"/ /' \
+ -e 's/ DISTCHECK_CONFIGURE_FLAGS=[^ ]/ /' \
-e "s/ exp='[^']*'/ /" \
- -e 's/ exp="[^"]*"/ /' \
- -e 's/ exp=[^ ]/ /' \
- $$tests | grep '\$$MAKE .*='; then \
+ -e 's/ exp="[^"]*"/ /' \
+ -e 's/ exp=[^ ]/ /' \
+ $(xtests) | grep '\$$MAKE .*='; then \
echo 'Rewrite "$$MAKE foo=bar" as "foo=bar $$MAKE -e" in the above lines,' 1>&2; \
echo 'it is more portable.' 1>&2; \
exit 1; \