c++: please G++ 4.8 with -O3: array bounds

[bison.git] / tests / atlocal.in

diff --git a/tests/atlocal.in b/tests/atlocal.in
index f817f949a2fdea81ad899d3cfa7823d46b4e2321..439a2615acc91d75c91e13a3f3e462eec0ac14e1 100644 (file)
--- a/tests/atlocal.in
+++ b/tests/atlocal.in
@@ -1,7 +1,7 @@
-# @configure_input@                                    -*- shell-script -*-
+# @configure_input@                                     -*- shell-script -*-
 # Configurable variable values for Bison test suite.
 
-# Copyright (C) 2000-2012 Free Software Foundation, Inc.
+# Copyright (C) 2000-2013 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
@@ -47,8 +47,10 @@ NO_WERROR_CXXFLAGS='@CXXFLAGS@ @WARN_CXXFLAGS@ @WARN_CXXFLAGS_TEST@'
   CFLAGS="$NO_WERROR_CFLAGS   @WERROR_CFLAGS@"
 CXXFLAGS="$NO_WERROR_CXXFLAGS @WERROR_CXXFLAGS@"
 
-# If 'exit 77'; skip all C/C++ tests; otherwise ':'.
-BISON_C_WORKS='@BISON_C_WORKS@'
+# C++ variants break strict aliasing analysis.
+NO_STRICT_ALIAS_CXXFLAGS='@NO_STRICT_ALIAS_CXXFLAGS@'
+
+# If 'exit 77'; skip all C++ tests; otherwise ':'.
 BISON_CXX_WORKS='@BISON_CXX_WORKS@'
 
 # Whether the compiler supports POSIXLY_CORRECT defined.
@@ -84,8 +86,9 @@ CONF_JAVAC='@CONF_JAVAC@'
 # Empty if no Java VM was found
 CONF_JAVA='@CONF_JAVA@'
 
-# We need egrep.
+# We need egrep and perl.
 : ${EGREP='@EGREP@'}
+: ${PERL='@PERL@'}
 
 # Use simple quotes (lib/quote.c).
 LC_CTYPE=C
@@ -100,4 +103,12 @@ LIBS="$abs_top_builddir/lib/libbison.a @LIBS@ @INTLLIBS@"
 # Empty if no xsltproc was found
 : ${XSLTPROC='@XSLTPROC@'}
 
-: ${PERL='@PERL@'}
+# Don't just check if $POSIXLY_CORRECT is set, as Bash, when launched
+# as /bin/sh, sets the shell variable POSIXLY_CORRECT to y, but not
+# the environment variable.
+: ${C_COMPILER_POSIXLY_CORRECT='@C_COMPILER_POSIXLY_CORRECT@'}
+if env | grep '^POSIXLY_CORRECT=' >/dev/null; then
+  POSIXLY_CORRECT_IS_EXPORTED=true
+else
+  POSIXLY_CORRECT_IS_EXPORTED=false
+fi