tests: check that C and C++ objects can be linked together.

[bison.git] / tests / atlocal.in

diff --git a/tests/atlocal.in b/tests/atlocal.in
index 9a6790afdb6baca92ae5366553064787af92a387..2f68259288179815590bdc989037ad8a06bc902e 100644 (file)
--- a/tests/atlocal.in
+++ b/tests/atlocal.in
@@ -1,10 +1,81 @@
 # @configure_input@                                    -*- shell-script -*-
 # Configurable variable values for Bison test suite.
-# Copyright 2000, 2001 Free Software Foundation, Inc.
 
-# We need a C compiler.
-CC='@CC@'
-CFLAGS='@CFLAGS@'
+# Copyright (C) 2000-2012 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, see <http://www.gnu.org/licenses/>.
 
 # We need `config.h'.
-CPPFLAGS="-I $top_builddir @CPPFLAGS@"
+CPPFLAGS="-I$abs_top_builddir/lib @CPPFLAGS@"
+
+## ------------------- ##
+## C/C++ Compilation.  ##
+## ------------------- ##
+
+: ${CC='@CC@'}
+: ${CXX='@CXX@'}
+
+# Is the compiler GCC?
+GCC='@GCC@'
+
+# Sometimes a test group needs to ignore gcc warnings, so it locally
+# sets CFLAGS to this.
+  NO_WERROR_CFLAGS='@CFLAGS@   @WARN_CFLAGS@   @WARN_CFLAGS_TEST@'
+NO_WERROR_CXXFLAGS='@CXXFLAGS@ @WARN_CXXFLAGS@ @WARN_CXXFLAGS_TEST@'
+
+# But most of the time, we want -Werror.
+  CFLAGS="$NO_WERROR_CFLAGS   @WERROR_CFLAGS@"
+CXXFLAGS="$NO_WERROR_CXXFLAGS @WERROR_CXXFLAGS@"
+
+# If 'exit 77'; skip all C++ tests; otherwise ':'.
+BISON_CXX_WORKS='@BISON_CXX_WORKS@'
+
+# Handle --compile-c-with-cxx here, once CXX and CXXFLAGS are known.
+if "$at_arg_compile_c_with_cxx"; then
+  CC_IS_CXX=1
+  CC=$CXX
+  NO_WERROR_CFLAGS=$NO_WERROR_CXXFLAGS
+  CFLAGS=$CXXFLAGS
+else
+  CC_IS_CXX=0
+fi
+
+
+## ------- ##
+## Other.  ##
+## ------- ##
+
+# Empty if no javac was found
+CONF_JAVAC='@CONF_JAVAC@'
+
+# Empty if no Java VM was found
+CONF_JAVA='@CONF_JAVA@'
+
+# We need egrep.
+: ${EGREP='@EGREP@'}
+
+# Use simple quotes (lib/quote.c).
+LC_CTYPE=C
+export LC_CTYPE
+
+# Are special link options needed?
+LDFLAGS='@LDFLAGS@'
+
+# Are special libraries needed?
+LIBS="$abs_top_builddir/lib/libbison.a @LIBS@ @INTLLIBS@"
+
+# Empty if no xsltproc was found
+: ${XSLTPROC='@XSLTPROC@'}
+
+: ${PERL='@PERL@'}