X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/0be105dc421dd47c1e7f118270da3c6868fbf709..29e20e22e0ecd5bf4c31c4ff32599ea5f404d136:/m4/cxx.m4

diff --git a/m4/cxx.m4 b/m4/cxx.m4
index bae56520..8ef1a250 100644
--- a/m4/cxx.m4
+++ b/m4/cxx.m4
@@ -1,11 +1,11 @@
 # -*- Autoconf -*-
 # Sanity-test a C++ compiler.
 #
-# Copyright (C) 2004, 2006 Free Software Foundation, Inc.
+# Copyright (C) 2004, 2006, 2009-2012 Free Software Foundation, Inc.
 #
-# This program is free software; you can redistribute it and/or modify
+# 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 of the License, or
+# 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,
@@ -14,9 +14,7 @@
 # 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., 51 Franklin Street, Fifth Floor, Boston, MA
-# 02110-1301  USA
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 # Written by Paul Eggert.
 
@@ -28,25 +26,25 @@ AC_DEFUN([BISON_TEST_FOR_WORKING_CXX_COMPILER],
     bison_cv_cxx_works=no
     AC_COMPILE_IFELSE(
       [AC_LANG_PROGRAM(
-	 [#include <cstdlib>
-	  #include <iostream>
-	  #include <map>
-	  #include <string>
-	  using namespace std;],
+         [#include <cstdlib>
+          #include <iostream>
+          #include <map>
+          #include <string>
+          using namespace std;],
          [std::cerr << "";
           cout << "";
-	  typedef std::pair<unsigned int, int> uipair;
-	  std::map<unsigned int, int> m;
-	  std::map<unsigned int, int>::iterator i;
-	  m.insert (uipair (4, -4));
-	  for (i = m.begin (); i != m.end (); ++i)
-	    if (i->first != 4)
-	      return 1;])],
+          typedef std::pair<unsigned int, int> uipair;
+          std::map<unsigned int, int> m;
+          std::map<unsigned int, int>::iterator i;
+          m.insert (uipair (4, -4));
+          for (i = m.begin (); i != m.end (); ++i)
+            if (i->first != 4)
+              return 1;])],
       [AS_IF([AC_TRY_COMMAND([$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_objext $LIBS >&AS_MESSAGE_LOG_FD])],
-	 [AS_IF([test "$cross_compiling" = yes],
-	    [bison_cv_cxx_works=cross],
-	    [AS_IF([AC_TRY_COMMAND(./conftest$ac_exeext)],
-	       [bison_cv_cxx_works=yes])])])
+         [AS_IF([test "$cross_compiling" = yes],
+            [bison_cv_cxx_works=cross],
+            [AS_IF([AC_TRY_COMMAND(./conftest$ac_exeext)],
+               [bison_cv_cxx_works=yes])])])
        rm -f conftest$ac_exeext])
     AC_LANG_POP([C++])])