Detect SIZEOF_WCHAR_T when cross-compiling

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@32434 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/configure b/configure
index cfcf0558cc5cc851e3da1f7700201114942039b7..29a231f37a49c7089f198592bcd427bd981fc2f4 100755 (executable)
--- a/configure
+++ b/configure
@@ -19081,25 +19081,364 @@ _ACEOF
 
 esac
 
+echo "$as_me:$LINENO: checking for wchar_t" >&5
+echo $ECHO_N "checking for wchar_t... $ECHO_C" >&6
+if test "${ac_cv_type_wchar_t+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+        /* DJGPP only has fake wchar_t: */
+        #ifdef __DJGPP__
+        #  error "fake wchar_t"
+        #endif
+        #ifdef HAVE_WCHAR_H
+        #  ifdef __CYGWIN__
+        #    include <stddef.h>
+        #  endif
+        #  include <wchar.h>
+        #endif
+        #ifdef HAVE_STDLIB_H
+        #  include <stdlib.h>
+        #endif
+        #include <stdio.h>
+
+
+
+int
+main ()
+{
+if ((wchar_t *) 0)
+  return 0;
+if (sizeof (wchar_t))
+  return 0;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+        { ac_try='test -z "$ac_c_werror_flag"
+                        || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+        { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_type_wchar_t=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_cv_type_wchar_t=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: $ac_cv_type_wchar_t" >&5
+echo "${ECHO_T}$ac_cv_type_wchar_t" >&6
+
 echo "$as_me:$LINENO: checking size of wchar_t" >&5
 echo $ECHO_N "checking size of wchar_t... $ECHO_C" >&6
-if test "${wx_cv_sizeof_wchar_t+set}" = set; then
+if test "${ac_cv_sizeof_wchar_t+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
+  if test "$ac_cv_type_wchar_t" = yes; then
+  # The cast to unsigned long works around a bug in the HP C Compiler
+  # version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
+  # declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
+  # This bug is HP SR number 8606223364.
+  if test "$cross_compiling" = yes; then
+  # Depending upon the size, compute the lo and hi bounds.
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
 
-    if test "$cross_compiling" = yes; then
+        /* DJGPP only has fake wchar_t: */
+        #ifdef __DJGPP__
+        #  error "fake wchar_t"
+        #endif
+        #ifdef HAVE_WCHAR_H
+        #  ifdef __CYGWIN__
+        #    include <stddef.h>
+        #  endif
+        #  include <wchar.h>
+        #endif
+        #ifdef HAVE_STDLIB_H
+        #  include <stdlib.h>
+        #endif
+        #include <stdio.h>
 
-            case "${host}" in
-              *-pc-msdosdjgpp )
-                wx_cv_sizeof_wchar_t=0
-                ;;
-              * )
-                wx_cv_sizeof_wchar_t=4
-                ;;
-            esac
 
 
+int
+main ()
+{
+static int test_array [1 - 2 * !(((long) (sizeof (wchar_t))) >= 0)];
+test_array [0] = 0
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+        { ac_try='test -z "$ac_c_werror_flag"
+                        || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+        { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_lo=0 ac_mid=0
+  while :; do
+    cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+        /* DJGPP only has fake wchar_t: */
+        #ifdef __DJGPP__
+        #  error "fake wchar_t"
+        #endif
+        #ifdef HAVE_WCHAR_H
+        #  ifdef __CYGWIN__
+        #    include <stddef.h>
+        #  endif
+        #  include <wchar.h>
+        #endif
+        #ifdef HAVE_STDLIB_H
+        #  include <stdlib.h>
+        #endif
+        #include <stdio.h>
+
+
+
+int
+main ()
+{
+static int test_array [1 - 2 * !(((long) (sizeof (wchar_t))) <= $ac_mid)];
+test_array [0] = 0
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+        { ac_try='test -z "$ac_c_werror_flag"
+                        || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+        { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_hi=$ac_mid; break
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_lo=`expr $ac_mid + 1`
+                   if test $ac_lo -le $ac_mid; then
+                     ac_lo= ac_hi=
+                     break
+                   fi
+                   ac_mid=`expr 2 '*' $ac_mid + 1`
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+  done
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+        /* DJGPP only has fake wchar_t: */
+        #ifdef __DJGPP__
+        #  error "fake wchar_t"
+        #endif
+        #ifdef HAVE_WCHAR_H
+        #  ifdef __CYGWIN__
+        #    include <stddef.h>
+        #  endif
+        #  include <wchar.h>
+        #endif
+        #ifdef HAVE_STDLIB_H
+        #  include <stdlib.h>
+        #endif
+        #include <stdio.h>
+
+
+
+int
+main ()
+{
+static int test_array [1 - 2 * !(((long) (sizeof (wchar_t))) < 0)];
+test_array [0] = 0
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+        { ac_try='test -z "$ac_c_werror_flag"
+                        || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+        { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_hi=-1 ac_mid=-1
+  while :; do
+    cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+        /* DJGPP only has fake wchar_t: */
+        #ifdef __DJGPP__
+        #  error "fake wchar_t"
+        #endif
+        #ifdef HAVE_WCHAR_H
+        #  ifdef __CYGWIN__
+        #    include <stddef.h>
+        #  endif
+        #  include <wchar.h>
+        #endif
+        #ifdef HAVE_STDLIB_H
+        #  include <stdlib.h>
+        #endif
+        #include <stdio.h>
+
+
+
+int
+main ()
+{
+static int test_array [1 - 2 * !(((long) (sizeof (wchar_t))) >= $ac_mid)];
+test_array [0] = 0
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+        { ac_try='test -z "$ac_c_werror_flag"
+                        || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+        { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_lo=$ac_mid; break
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_hi=`expr '(' $ac_mid ')' - 1`
+                      if test $ac_mid -le $ac_hi; then
+                        ac_lo= ac_hi=
+                        break
+                      fi
+                      ac_mid=`expr 2 '*' $ac_mid`
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+  done
 else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_lo= ac_hi=
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+# Binary search between lo and hi bounds.
+while test "x$ac_lo" != "x$ac_hi"; do
+  ac_mid=`expr '(' $ac_hi - $ac_lo ')' / 2 + $ac_lo`
   cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
 _ACEOF
@@ -19107,28 +19446,134 @@ cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
-            /* DJGPP only has fake wchar_t: */
-            #ifdef __DJGPP__
-            #  error "fake wchar_t"
-            #endif
-            #ifdef HAVE_WCHAR_H
-            #  ifdef __CYGWIN__
-            #    include <stddef.h>
-            #  endif
-            #  include <wchar.h>
-            #endif
-            #ifdef HAVE_STDLIB_H
-            #  include <stdlib.h>
-            #endif
-            #include <stdio.h>
-            int main()
-            {
-                FILE *f=fopen("conftestval", "w");
-                if (!f) exit(1);
-                fprintf(f, "%i", sizeof(wchar_t));
-                exit(0);
-            }
+        /* DJGPP only has fake wchar_t: */
+        #ifdef __DJGPP__
+        #  error "fake wchar_t"
+        #endif
+        #ifdef HAVE_WCHAR_H
+        #  ifdef __CYGWIN__
+        #    include <stddef.h>
+        #  endif
+        #  include <wchar.h>
+        #endif
+        #ifdef HAVE_STDLIB_H
+        #  include <stdlib.h>
+        #endif
+        #include <stdio.h>
 
+
+
+int
+main ()
+{
+static int test_array [1 - 2 * !(((long) (sizeof (wchar_t))) <= $ac_mid)];
+test_array [0] = 0
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+        { ac_try='test -z "$ac_c_werror_flag"
+                        || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+        { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_hi=$ac_mid
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_lo=`expr '(' $ac_mid ')' + 1`
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+done
+case $ac_lo in
+?*) ac_cv_sizeof_wchar_t=$ac_lo;;
+'') { { echo "$as_me:$LINENO: error: cannot compute sizeof (wchar_t), 77
+See \`config.log' for more details." >&5
+echo "$as_me: error: cannot compute sizeof (wchar_t), 77
+See \`config.log' for more details." >&2;}
+   { (exit 1); exit 1; }; } ;;
+esac
+else
+  if test "$cross_compiling" = yes; then
+  { { echo "$as_me:$LINENO: error: cannot run test program while cross compiling
+See \`config.log' for more details." >&5
+echo "$as_me: error: cannot run test program while cross compiling
+See \`config.log' for more details." >&2;}
+   { (exit 1); exit 1; }; }
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+        /* DJGPP only has fake wchar_t: */
+        #ifdef __DJGPP__
+        #  error "fake wchar_t"
+        #endif
+        #ifdef HAVE_WCHAR_H
+        #  ifdef __CYGWIN__
+        #    include <stddef.h>
+        #  endif
+        #  include <wchar.h>
+        #endif
+        #ifdef HAVE_STDLIB_H
+        #  include <stdlib.h>
+        #endif
+        #include <stdio.h>
+
+
+
+long longval () { return (long) (sizeof (wchar_t)); }
+unsigned long ulongval () { return (long) (sizeof (wchar_t)); }
+#include <stdio.h>
+#include <stdlib.h>
+int
+main ()
+{
+
+  FILE *f = fopen ("conftest.val", "w");
+  if (! f)
+    exit (1);
+  if (((long) (sizeof (wchar_t))) < 0)
+    {
+      long i = longval ();
+      if (i != ((long) (sizeof (wchar_t))))
+       exit (1);
+      fprintf (f, "%ld\n", i);
+    }
+  else
+    {
+      unsigned long i = ulongval ();
+      if (i != ((long) (sizeof (wchar_t))))
+       exit (1);
+      fprintf (f, "%lu\n", i);
+    }
+  exit (ferror (f) || fclose (f) != 0);
+
+  ;
+  return 0;
+}
 _ACEOF
 rm -f conftest$ac_exeext
 if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
@@ -19141,27 +19586,35 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  wx_cv_sizeof_wchar_t=`cat conftestval`
+  ac_cv_sizeof_wchar_t=`cat conftest.val`
 else
   echo "$as_me: program exited with status $ac_status" >&5
 echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
 ( exit $ac_status )
-wx_cv_sizeof_wchar_t=0
+{ { echo "$as_me:$LINENO: error: cannot compute sizeof (wchar_t), 77
+See \`config.log' for more details." >&5
+echo "$as_me: error: cannot compute sizeof (wchar_t), 77
+See \`config.log' for more details." >&2;}
+   { (exit 1); exit 1; }; }
 fi
 rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
 fi
-
 fi
-echo "$as_me:$LINENO: result: $wx_cv_sizeof_wchar_t" >&5
-echo "${ECHO_T}$wx_cv_sizeof_wchar_t" >&6
-
+rm -f conftest.val
+else
+  ac_cv_sizeof_wchar_t=0
+fi
+fi
+echo "$as_me:$LINENO: result: $ac_cv_sizeof_wchar_t" >&5
+echo "${ECHO_T}$ac_cv_sizeof_wchar_t" >&6
 cat >>confdefs.h <<_ACEOF
-#define SIZEOF_WCHAR_T $wx_cv_sizeof_wchar_t
+#define SIZEOF_WCHAR_T $ac_cv_sizeof_wchar_t
 _ACEOF
 
 
+
 echo "$as_me:$LINENO: checking for va_copy" >&5
 echo $ECHO_N "checking for va_copy... $ECHO_C" >&6
 if test "${wx_cv_func_va_copy+set}" = set; then
@@ -29745,7 +30198,7 @@ _ACEOF
 fi
 
 
-if test "$wx_cv_sizeof_wchar_t" != "0"; then
+if test "$ac_cv_sizeof_wchar_t" != "0"; then
     cat >>confdefs.h <<\_ACEOF
 #define wxUSE_WCHAR_T 1
 _ACEOF

diff --git a/configure.in b/configure.in
index d069bcf376b3bca291f0a1a390e29b5831b30d66..4eb49f3e20ab93d99417786808c914e0d85ff2f0 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -1759,51 +1759,26 @@ case "${host}" in
         AC_CHECK_SIZEOF(long long, 0)
 esac
 
-dnl we have to do it ourselves because SGI/Irix's stdio.h does not include
-dnl wchar_t and AC_CHECK_SIZEOF only includes stdio.h
-dnl Mac OS X does not provide wchar.h and wchar_t is defined by stdlib.h (GD)
-AC_CACHE_CHECK([size of wchar_t], wx_cv_sizeof_wchar_t,
-[
-    AC_TRY_RUN(
-        [
-            /* DJGPP only has fake wchar_t: */
-            #ifdef __DJGPP__
-            #  error "fake wchar_t"
-            #endif
-            #ifdef HAVE_WCHAR_H
-            #  ifdef __CYGWIN__
-            #    include <stddef.h>
-            #  endif
-            #  include <wchar.h>
-            #endif
-            #ifdef HAVE_STDLIB_H
-            #  include <stdlib.h>
-            #endif
-            #include <stdio.h>
-            int main()
-            {
-                FILE *f=fopen("conftestval", "w");
-                if (!f) exit(1);
-                fprintf(f, "%i", sizeof(wchar_t));
-                exit(0);
-            }
-        ],
-        wx_cv_sizeof_wchar_t=`cat conftestval`,
-        wx_cv_sizeof_wchar_t=0,
-        [
-            case "${host}" in
-              *-pc-msdosdjgpp )
-                wx_cv_sizeof_wchar_t=0
-                ;;
-              * )
-                wx_cv_sizeof_wchar_t=4
-                ;;
-            esac
-        ]
-    )
-])
-
-AC_DEFINE_UNQUOTED(SIZEOF_WCHAR_T, $wx_cv_sizeof_wchar_t)
+dnl SGI/Irix's stdio.h does not include wchar_t. Mac OS X does not provide
+dnl wchar.h and wchar_t is defined by stdlib.h (GD)
+AC_CHECK_SIZEOF(wchar_t, 0,
+    [
+        /* DJGPP only has fake wchar_t: */
+        #ifdef __DJGPP__
+        #  error "fake wchar_t"
+        #endif
+        #ifdef HAVE_WCHAR_H
+        #  ifdef __CYGWIN__
+        #    include <stddef.h>
+        #  endif
+        #  include <wchar.h>
+        #endif
+        #ifdef HAVE_STDLIB_H
+        #  include <stdlib.h>
+        #endif
+        #include <stdio.h>
+    ]
+)
 
 dnl checks needed to define wxVaCopy
 AC_CACHE_CHECK([for va_copy],
@@ -3679,7 +3654,7 @@ dnl Check for functions
 dnl ---------------------------------------------------------------------------
 
 dnl don't check for wchar_t functions if we haven't got wchar_t itself
-if test "$wx_cv_sizeof_wchar_t" != "0"; then
+if test "$ac_cv_sizeof_wchar_t" != "0"; then
     AC_DEFINE(wxUSE_WCHAR_T)
 
     dnl check for wcslen in all possible places