tests: add -pedantic for --enable-gcc-warnings.

[bison.git] / tests / synclines.at

diff --git a/tests/synclines.at b/tests/synclines.at
index c575c3f820a6f80ebcb0e8d70e74c5a970cebe98..42b2a6671ffd5682a1fc5bca46becfe0521f6494 100644 (file)
--- a/tests/synclines.at
+++ b/tests/synclines.at
@@ -1,37 +1,65 @@
 # Executing Actions.                               -*- Autotest -*-
-# Copyright (C) 2002 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
-# the Free Software Foundation; either version 2, or (at your option)
-# any later version.
+# Copyright (C) 2002, 2004-2005, 2007, 2009-2011 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
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
-
+#
 # You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
-# 02111-1307, USA.
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 AT_BANNER([[User Actions.]])
 
 
 # AT_SYNCLINES_COMPILE(FILE)
 # --------------------------
-# Compile FILE expecting an error, and save in the file stdout the normalized
-# output.
+# Compile FILE expecting an error, and save in the file stdout the
+# normalized output.  Ignore the exit status, since some compilers
+# (e.g. c89 on IRIX 6.5) trigger warnings on `#error', instead of
+# errors.
 m4_define([AT_SYNCLINES_COMPILE],
-[AT_CHECK([$CC $CFLAGS $CPPFLAGS $1 -c], 1, [], [stderr])
+[AT_CHECK([$CC $CFLAGS $CPPFLAGS -c $1], [ignore], [], [stderr])
 # In case GCC displays column information, strip it down.
 #
-#   input.y:4:2: #error "4"    or input.y:4.2: #error "4"
+#   input.y:4:2: #error "4"    or
+#   input.y:4.2: #error "4"    or
+#   input.y:4:2: error: #error "4"
 # =>
 #   input.y:4: #error "4"
 #
-AT_CHECK([[sed 's/^\([^:]*:[^:.]*\)[.:][^:]*:\(.*\)$/\1:\2/' stderr]], 0, [stdout])
+# It may also issue more context information:
+#
+#   input.y: In function 'yyparse':
+#   input.y:8: #error "8"
+# =>
+#   input.y:4: #error "8"
+#
+#
+# And possibly distcc adds its bits.
+#
+#   distcc[33187] ERROR: compile (null) on localhost failed
+#   syncline.c:1:2: error: #error "1"
+#   distcc[33185] ERROR: compile syncline.c on localhost failed
+#
+# or even
+#
+#   distcc[35882] (dcc_connect_by_name) ERROR: failed to look up host "chrisimac": Unknown host
+#   distcc[35882] Warning: failed to distribute input.c to chrisimac/4, running locally instead
+
+AT_CHECK([[sed -e '/^distcc\[[0-9]*\] /d'                            \
+               -e 's/^\([^:]*:[^:.]*\)[.:][^:]*:\(.*\)$/\1:\2/'      \
+               -e 's/^\([^:]*:[^:]*:\)[^@%:@]*\( @%:@error\)/\1\2/'  \
+               -e "/^[^:]*: In function '[^\']*':$/d"                \
+            stderr]],
+         0, [stdout])
 ])
 
 # AT_TEST_SYNCLINE(TITLE, INPUT, ERROR-MSG)
@@ -60,13 +88,14 @@ m4_define([AT_TEST_SYNCLINE],
 
 AT_DATA([syncline.c],
 [[#error "1"
+int i; // avoids -pedantic warning about an empty translation unit
 ]])
 
 AT_SYNCLINES_COMPILE([syncline.c])
 AT_CHECK([[test "`cat stdout`" = 'syncline.c:1: @%:@error "1"' || exit 77]])
 
 AT_DATA([[input.y]], [$2])
-AT_CHECK([bison input.y -o input.c])
+AT_BISON_CHECK([-o input.c input.y])
 AT_SYNCLINES_COMPILE([input.c])
 AT_CHECK([cat stdout], 0, [$3])
 AT_CLEANUP
@@ -98,6 +127,7 @@ exp: '0';
 AT_TEST_SYNCLINE([%union synch line],
 [[%union {
 #error "2"
+  char dummy;
 }
 %{
 void yyerror (const char *s);