only use __attribute__(regparm) for x86, this results in warnings under other platfor...

[wxWidgets.git] / configure.in

diff --git a/configure.in b/configure.in
index 707fca5acb93e33a71f9e5e2bd8eb13e477b810a..d1d6501d5e1aa789684d29d69b7b65049d1b3677 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -55,8 +55,8 @@ dnl   libwx_$(TOOLKIT)-$(WX_RELEASE).so.$(WX_CURRENT).$(WX_REVISION).$(WX_AGE)
 
 wx_major_version_number=2
 wx_minor_version_number=5
-wx_release_number=2
-wx_subrelease_number=9
+wx_release_number=3
+wx_subrelease_number=0
 
 WX_RELEASE=$wx_major_version_number.$wx_minor_version_number
 WX_VERSION=$WX_RELEASE.$wx_release_number
@@ -64,7 +64,7 @@ WX_SUBVERSION=$WX_VERSION.$wx_subrelease_number
 
 WX_MSW_VERSION=$wx_major_version_number$wx_minor_version_number$wx_release_number
 
-WX_CURRENT=2
+WX_CURRENT=3
 WX_REVISION=0
 WX_AGE=0
 
@@ -1713,6 +1713,65 @@ AC_CACHE_CHECK([size of wchar_t], wx_cv_sizeof_wchar_t,
 
 AC_DEFINE_UNQUOTED(SIZEOF_WCHAR_T, $wx_cv_sizeof_wchar_t)
 
+dnl checks needed to define wxVaCopy
+AC_CACHE_CHECK([for va_copy],
+    wx_cv_func_va_copy,
+    [
+        AC_LINK_IFELSE([
+            #include <stdarg.h>
+            void foo(char *f, ...)
+            {
+                va_list ap1, ap2;
+                va_start(ap1, f);
+                va_copy(ap2, ap1);
+                va_end(ap2);
+                va_end(ap1);
+            }],
+            wx_cv_func_va_copy=yes,
+            wx_cv_func_va_copy=no
+        )
+    ]
+)
+
+if test $wx_cv_func_va_copy = "yes"; then
+    AC_DEFINE(HAVE_VA_COPY)
+else
+    dnl try to understand how can we copy va_lists
+    AC_CACHE_CHECK([if va_list can be copied by value],
+        wx_cv_type_va_list_lvalue,
+        [
+            AC_RUN_IFELSE([
+                #include <stdarg.h>
+                int foo(char *f, ...)
+                {
+                    va_list ap1, ap2;
+                    va_start(ap1, f);
+                    ap2 = ap1;
+                    if ( va_arg(ap1, int) != 17 || va_arg(ap2, int) != 17 )
+                        return 1;
+                    va_end(ap2);
+                    va_end(ap1);
+                    return 0;
+                }
+                int main()
+                {
+                    return foo("hi", 17);
+                }],
+                wx_cv_type_va_list_lvalue=yes,
+                wx_cv_type_va_list_lvalue=no,
+                dnl assume most common case for cross-compiling...
+                wx_cv_type_va_list_lvalue=yes
+            )
+        ]
+    )
+
+    if test $wx_cv_type_va_list_lvalue != "yes"; then
+        dnl we suppose that the only thing which can't be copied like this
+        dnl are arrays... only experience will show whether this is really true
+        AC_DEFINE(VA_LIST_IS_ARRAY)
+    fi
+fi
+
 dnl check for large file support
 AC_SYS_LARGEFILE