Make the tests work with a C++ compiler.

[pspp] / m4 / mbrtowc.m4

diff --git a/m4/mbrtowc.m4 b/m4/mbrtowc.m4
index ace698003522790d374375c6b4b5f09259de8489..2fddcc8a109ae0942bba20665c449fe7fd918a14 100644 (file)
--- a/m4/mbrtowc.m4
+++ b/m4/mbrtowc.m4
@@ -1,4 +1,4 @@
-# mbrtowc.m4 serial 14
+# mbrtowc.m4 serial 16
 dnl Copyright (C) 2001-2002, 2004-2005, 2008, 2009 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -127,7 +127,7 @@ int main ()
 }],
           [gl_cv_func_mbrtowc_incomplete_state=yes],
           [gl_cv_func_mbrtowc_incomplete_state=no],
-          [])
+          [:])
       fi
     ])
 ])
@@ -156,6 +156,7 @@ changequote([,])dnl
       if test $LOCALE_ZH_CN != none; then
         AC_TRY_RUN([
 #include <locale.h>
+#include <stdlib.h>
 #include <string.h>
 #include <wchar.h>
 int main ()
@@ -178,7 +179,7 @@ int main ()
 }],
           [gl_cv_func_mbrtowc_sanitycheck=yes],
           [gl_cv_func_mbrtowc_sanitycheck=no],
-          [])
+          [:])
       fi
     ])
 ])
@@ -225,7 +226,7 @@ int main ()
         return 1;
     }
   return 0;
-}], [gl_cv_func_mbrtowc_null_arg=yes], [gl_cv_func_mbrtowc_null_arg=no], [])
+}], [gl_cv_func_mbrtowc_null_arg=yes], [gl_cv_func_mbrtowc_null_arg=no], [:])
       fi
     ])
 ])
@@ -295,7 +296,7 @@ int main ()
 }],
           [gl_cv_func_mbrtowc_retval=yes],
           [gl_cv_func_mbrtowc_retval=no],
-          [])
+          [:])
       fi
     ])
 ])
@@ -315,10 +316,10 @@ AC_DEFUN([gl_MBRTOWC_NUL_RETVAL],
       dnl is present.
 changequote(,)dnl
       case "$host_os" in
-                    # Guess no on Solaris 9.
-        solaris2.9) gl_cv_func_mbrtowc_nul_retval="guessing no" ;;
-                    # Guess yes otherwise.
-        *)          gl_cv_func_mbrtowc_nul_retval="guessing yes" ;;
+                       # Guess no on Solaris 8 and 9.
+        solaris2.[89]) gl_cv_func_mbrtowc_nul_retval="guessing no" ;;
+                       # Guess yes otherwise.
+        *)             gl_cv_func_mbrtowc_nul_retval="guessing yes" ;;
       esac
 changequote([,])dnl
       if test $LOCALE_ZH_CN != none; then
@@ -328,7 +329,7 @@ changequote([,])dnl
 #include <wchar.h>
 int main ()
 {
-  /* This fails on Solaris 9.  */
+  /* This fails on Solaris 8 and 9.  */
   if (setlocale (LC_ALL, "$LOCALE_ZH_CN") != NULL)
     {
       mbstate_t state;
@@ -342,7 +343,7 @@ int main ()
 }],
           [gl_cv_func_mbrtowc_nul_retval=yes],
           [gl_cv_func_mbrtowc_nul_retval=no],
-          [])
+          [:])
       fi
     ])
 ])