Give an error from configure if wchar_t is not available.

wxWidgets 2.9 doesn't support building without wchar_t any more so always
define wxUSE_WCHAR_T and give an error from configure if wchar_t is really not
available.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@66445 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/configure b/configure
index 95434303102a7a0c6a926fca9a05ceb54dfe88b6..2eeddda8aff387531ac033204963185f094726d8 100755 (executable)
--- a/configure
+++ b/configure
@@ -23919,11 +23919,15 @@ cat >>confdefs.h <<_ACEOF
 _ACEOF
 
 
 _ACEOF
 
 

-if test "$ac_cv_sizeof_wchar_t" != 0; then
-    wxUSE_WCHAR_T=yes
-else
-    wxUSE_WCHAR_T=no
+if test "$ac_cv_sizeof_wchar_t" = 0; then
+    { { echo "$as_me:$LINENO: error: wxWidgets requires wchar_t support." >&5
+echo "$as_me: error: wxWidgets requires wchar_t support." >&2;}
+   { (exit 1); exit 1; }; }

 fi
 fi

+cat >>confdefs.h <<\_ACEOF
+#define wxUSE_WCHAR_T 1
+_ACEOF
+

 
 { echo "$as_me:$LINENO: checking for va_copy" >&5
 echo $ECHO_N "checking for va_copy... $ECHO_C" >&6; }
 
 { echo "$as_me:$LINENO: checking for va_copy" >&5
 echo $ECHO_N "checking for va_copy... $ECHO_C" >&6; }


@@ -28788,19 +28792,6 @@ echo "$as_me: WARNING: system tiff library not found, will use built-in instead"
 fi
 
 
 fi
 
 

-if test "$wxUSE_WCHAR_T" != "yes"; then
-    if test "$wxUSE_EXPAT" != "no"; then
-        { echo "$as_me:$LINENO: WARNING: wxWidgets requires wchar_t to use expat, disabling" >&5
-echo "$as_me: WARNING: wxWidgets requires wchar_t to use expat, disabling" >&2;}
-        wxUSE_EXPAT=no
-    fi
-    if test "$wxUSE_XML" != "no"; then
-        { echo "$as_me:$LINENO: WARNING: wxWidgets requires wchar_t to use xml, disabling" >&5
-echo "$as_me: WARNING: wxWidgets requires wchar_t to use xml, disabling" >&2;}
-        wxUSE_XML=no
-    fi
-fi
-

 if test "$wxUSE_EXPAT" != "no"; then
     wxUSE_XML=yes
     cat >>confdefs.h <<\_ACEOF
 if test "$wxUSE_EXPAT" != "no"; then
     wxUSE_XML=yes
     cat >>confdefs.h <<\_ACEOF


@@ -35905,14 +35896,8 @@ _ACEOF
 fi
 
 
 fi
 
 

-if test "$wxUSE_WCHAR_T" = "yes"; then
-    cat >>confdefs.h <<\_ACEOF
-#define wxUSE_WCHAR_T 1
-_ACEOF
-
-
-        WCSLEN_FOUND=0
-    WCHAR_LINK=
+WCSLEN_FOUND=0
+WCHAR_LINK=

 
 for ac_func in wcslen
 do
 
 for ac_func in wcslen
 do


@@ -36008,9 +35993,9 @@ fi
 done
 
 
 done
 
 

-    if test "$WCSLEN_FOUND" = 0; then
-        if test "$TOOLKIT" = "MSW"; then
-            { echo "$as_me:$LINENO: checking for wcslen in -lmsvcrt" >&5
+if test "$WCSLEN_FOUND" = 0; then
+    if test "$TOOLKIT" = "MSW"; then
+        { echo "$as_me:$LINENO: checking for wcslen in -lmsvcrt" >&5

 echo $ECHO_N "checking for wcslen in -lmsvcrt... $ECHO_C" >&6; }
 if test "${ac_cv_lib_msvcrt_wcslen+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 echo $ECHO_N "checking for wcslen in -lmsvcrt... $ECHO_C" >&6; }
 if test "${ac_cv_lib_msvcrt_wcslen+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6


@@ -36075,8 +36060,8 @@ if test $ac_cv_lib_msvcrt_wcslen = yes; then
   WCHAR_OK=1
 fi
 
   WCHAR_OK=1
 fi
 

-        else
-            { echo "$as_me:$LINENO: checking for wcslen in -lw" >&5
+    else
+        { echo "$as_me:$LINENO: checking for wcslen in -lw" >&5

 echo $ECHO_N "checking for wcslen in -lw... $ECHO_C" >&6; }
 if test "${ac_cv_lib_w_wcslen+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 echo $ECHO_N "checking for wcslen in -lw... $ECHO_C" >&6; }
 if test "${ac_cv_lib_w_wcslen+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6


@@ -36139,20 +36124,20 @@ fi
 echo "${ECHO_T}$ac_cv_lib_w_wcslen" >&6; }
 if test $ac_cv_lib_w_wcslen = yes; then
 
 echo "${ECHO_T}$ac_cv_lib_w_wcslen" >&6; }
 if test $ac_cv_lib_w_wcslen = yes; then
 

-                            WCHAR_LINK=" -lw"
-                            WCSLEN_FOUND=1
+                        WCHAR_LINK=" -lw"
+                        WCSLEN_FOUND=1

 
 fi
 
 
 fi
 

-        fi

     fi
     fi

+fi

 
 

-    if test "$WCSLEN_FOUND" = 1; then
-        cat >>confdefs.h <<\_ACEOF
+if test "$WCSLEN_FOUND" = 1; then
+    cat >>confdefs.h <<\_ACEOF

 #define HAVE_WCSLEN 1
 _ACEOF
 
 #define HAVE_WCSLEN 1
 _ACEOF
 

-    fi
+fi

 
 
 
 
 
 


@@ -36253,11 +36238,11 @@ fi
 done
 
 
 done
 
 

-                    if test "$USE_HPUX" = 1 -a "$GCC" != "yes"; then
-        CPPFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CPPFLAGS"
-    fi
+if test "$USE_HPUX" = 1 -a "$GCC" != "yes"; then
+    CPPFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CPPFLAGS"
+fi

 
 

-                { echo "$as_me:$LINENO: checking for mbstate_t" >&5
+{ echo "$as_me:$LINENO: checking for mbstate_t" >&5

 echo $ECHO_N "checking for mbstate_t... $ECHO_C" >&6; }
 if test "${ac_cv_type_mbstate_t+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 echo $ECHO_N "checking for mbstate_t... $ECHO_C" >&6; }
 if test "${ac_cv_type_mbstate_t+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6


@@ -36413,10 +36398,6 @@ done
 
 fi
 
 
 fi
 

-else
-    { echo "$as_me:$LINENO: WARNING: Wide character support is unavailable" >&5
-echo "$as_me: WARNING: Wide character support is unavailable" >&2;}
-fi

 
 
 
 
 
 

diff --git a/configure.in b/configure.in
index bc4dae89b1d8b8567652309fbb59f0773ce0f388..b16249083ad784b9bde4acce8a7b9acd1b89e4a8 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -1664,11 +1664,10 @@ AC_CHECK_SIZEOF(wchar_t, 0,
         #include <stdio.h>
     ]
 )
         #include <stdio.h>
     ]
 )

-if test "$ac_cv_sizeof_wchar_t" != 0; then
-    wxUSE_WCHAR_T=yes
-else
-    wxUSE_WCHAR_T=no
+if test "$ac_cv_sizeof_wchar_t" = 0; then
+    AC_MSG_ERROR([wxWidgets requires wchar_t support.])

 fi
 fi

+AC_DEFINE(wxUSE_WCHAR_T)

 
 dnl checks needed to define wxVaCopy
 AC_CACHE_CHECK([for va_copy],
 
 dnl checks needed to define wxVaCopy
 AC_CACHE_CHECK([for va_copy],


@@ -2749,17 +2748,6 @@ dnl ------------------------------------------------------------------------
 dnl Check for expat libraries
 dnl ------------------------------------------------------------------------
 
 dnl Check for expat libraries
 dnl ------------------------------------------------------------------------
 

-if test "$wxUSE_WCHAR_T" != "yes"; then
-    if test "$wxUSE_EXPAT" != "no"; then
-        AC_MSG_WARN([wxWidgets requires wchar_t to use expat, disabling])
-        wxUSE_EXPAT=no
-    fi
-    if test "$wxUSE_XML" != "no"; then
-        AC_MSG_WARN([wxWidgets requires wchar_t to use xml, disabling])
-        wxUSE_XML=no
-    fi
-fi
-

 if test "$wxUSE_EXPAT" != "no"; then
     wxUSE_XML=yes
     AC_DEFINE(wxUSE_EXPAT)
 if test "$wxUSE_EXPAT" != "no"; then
     wxUSE_XML=yes
     AC_DEFINE(wxUSE_EXPAT)


@@ -4241,51 +4229,44 @@ dnl ---------------------------------------------------------------------------
 dnl Check for functions
 dnl ---------------------------------------------------------------------------
 
 dnl Check for functions
 dnl ---------------------------------------------------------------------------
 

-dnl don't check for wchar_t functions if we haven't got wchar_t itself
-if test "$wxUSE_WCHAR_T" = "yes"; then
-    AC_DEFINE(wxUSE_WCHAR_T)
+dnl check for wcslen in all possible places
+WCSLEN_FOUND=0
+WCHAR_LINK=
+AC_CHECK_FUNCS(wcslen, WCSLEN_FOUND=1)

 
 

-    dnl check for wcslen in all possible places
-    WCSLEN_FOUND=0
-    WCHAR_LINK=
-    AC_CHECK_FUNCS(wcslen, WCSLEN_FOUND=1)
-
-    if test "$WCSLEN_FOUND" = 0; then
-        if test "$TOOLKIT" = "MSW"; then
-            AC_CHECK_LIB(msvcrt, wcslen, WCHAR_OK=1)
-        else
-            AC_CHECK_LIB(w, wcslen, [
-                            WCHAR_LINK=" -lw"
-                            WCSLEN_FOUND=1
-                        ])
-        fi
-    fi
-
-    if test "$WCSLEN_FOUND" = 1; then
-        AC_DEFINE(HAVE_WCSLEN)
+if test "$WCSLEN_FOUND" = 0; then
+    if test "$TOOLKIT" = "MSW"; then
+        AC_CHECK_LIB(msvcrt, wcslen, WCHAR_OK=1)
+    else
+        AC_CHECK_LIB(w, wcslen, [
+                        WCHAR_LINK=" -lw"
+                        WCSLEN_FOUND=1
+                    ])

     fi
     fi

+fi

 
 

-    AC_CHECK_FUNCS([wcsdup strnlen wcsnlen wcscasecmp wcsncasecmp])
+if test "$WCSLEN_FOUND" = 1; then
+    AC_DEFINE(HAVE_WCSLEN)
+fi

 
 

-    dnl On HP-UX aCC need this define to find mbstrtowcs() &c
-    dnl Can't be used for g++ since the mbstate_t in wchar.h can conflict
-    dnl with g++'s in <cwchar> (unless -D_INCLUDE__STDC_A1_SOURCE is in the
-    dnl flags when g++ is configured, it will declare it's own).
-    if test "$USE_HPUX" = 1 -a "$GCC" != "yes"; then
-        CPPFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CPPFLAGS"
-    fi
+AC_CHECK_FUNCS([wcsdup strnlen wcsnlen wcscasecmp wcsncasecmp])

 
 

-    dnl Try to use wcsrtombs instead of wcstombs which is buggy in old GNU
-    dnl libc versions if possible. AC_CHECK_FUNCS only checks it's in the
-    dnl library, not the header, so do a header check for mbstate_t first.
-    AC_CHECK_TYPES([mbstate_t],
-                   [AC_CHECK_FUNCS(wcsrtombs)],
-                   [],
-                   [#include <wchar.h>])
-else
-    AC_MSG_WARN([Wide character support is unavailable])
+dnl On HP-UX aCC need this define to find mbstrtowcs() &c
+dnl Can't be used for g++ since the mbstate_t in wchar.h can conflict
+dnl with g++'s in <cwchar> (unless -D_INCLUDE__STDC_A1_SOURCE is in the
+dnl flags when g++ is configured, it will declare it's own).
+if test "$USE_HPUX" = 1 -a "$GCC" != "yes"; then
+    CPPFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CPPFLAGS"

 fi
 
 fi
 

+dnl Try to use wcsrtombs instead of wcstombs which is buggy in old GNU
+dnl libc versions if possible. AC_CHECK_FUNCS only checks it's in the
+dnl library, not the header, so do a header check for mbstate_t first.
+AC_CHECK_TYPES([mbstate_t],
+               [AC_CHECK_FUNCS(wcsrtombs)],
+               [],
+               [#include <wchar.h>])
+

 dnl check for vsnprintf() -- a safe version of vsprintf())
 dnl
 dnl the trouble here is that on some systems (e.g HP-UX 10) this function is
 dnl check for vsnprintf() -- a safe version of vsprintf())
 dnl
 dnl the trouble here is that on some systems (e.g HP-UX 10) this function is