Tune local.at so that people can "autom4te -l autotest calc.at -o

calc" for instance, to extract a sub test suite.
* tests/testsuite.at: Move the initialization, Autotest version
requirement, and AT_TESTED invocation into...
* tests/local.at: here.
* tests/testsuite.at: Include it for compatibility with Autoconf
2.57.
* tests/Makefile.am ($(TESTSUITE)): Report that the warning should
be ignore.

tests/Makefile.am

@@ -55,6 +55,7 @@ TESTSUITE = $(srcdir)/testsuite
 
 AUTOTEST = $(AUTOM4TE) --language=autotest
 $(TESTSUITE): package.m4 $(TESTSUITE_AT)
+	echo "WARNING: Multiple inclusion warning should be ignored." >&2
 	$(AUTOTEST) -I $(srcdir) testsuite.at -o $@.tmp
 	mv $@.tmp $@
 

tests/local.at

@@ -18,6 +18,9 @@
 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 # 02111-1307, USA.
 
+# We want a recent Autotest.
+m4_version_prereq([2.57])
+
 
 ## ------------------------------- ##
 ## Macros decoding Bison options.  ##
@@ -190,3 +193,14 @@ AT_CHECK([$CXX $CXXFLAGS $CPPFLAGS m4_default([$2], [$1.c]) -o $1],
 # So that we can run `./testsuite PREPARSER='valgrind -q' for instance.
 m4_define([AT_PARSER_CHECK],
 [AT_CHECK([$PREPARSER $1], [$2], [$3], [$4])])
+
+
+
+
+## ----------------------- ##
+## Launch the test suite.  ##
+## ----------------------- ##
+
+AT_INIT
+
+AT_TESTED([bison])

tests/testsuite.at

@@ -18,15 +18,11 @@
 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 # 02111-1307, USA.
 
-# We want a recent Autotest.
-m4_version_prereq([2.57])
+# Initializes Autotest, imports macros etc.  It will trigger a warning
+# with Autoconf 2.58, because it includes this file automatically, but
+# it causes no real problem.
+m4_include([input.at])
 
-# Helping macros.
-m4_include([local.at])
-
-AT_INIT
-
-AT_TESTED([bison])
 
 # Testing resistance to user bugs.
 m4_include([input.at])