use C++ compiler for va_copy test, at least under IRIX the C99 C compiler has it...

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@46030 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/configure b/configure
index 2f12a7f30f6e0d4f2d31b92e12ebe9572c57a2fd..40b9e8ef7250af566c3821078c17d1bcb5ecdf5d 100755 (executable)
--- a/configure
+++ b/configure
@@ -22236,6 +22236,12 @@ if test "${wx_cv_func_va_copy+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
 
+        ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+
         cat >conftest.$ac_ext <<_ACEOF
 
             #include <stdarg.h>
@@ -22267,7 +22273,7 @@ eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } && {
-        test -z "$ac_c_werror_flag" ||
+        test -z "$ac_cxx_werror_flag" ||
         test ! -s conftest.err
        } && test -s conftest$ac_exeext &&
        $as_test_x conftest$ac_exeext; then
@@ -22282,6 +22288,12 @@ fi
 
 rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
       conftest$ac_exeext conftest.$ac_ext
+        ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
 
 
 fi

diff --git a/configure.in b/configure.in
index 20396b1c1191dc36e2e1ec0cfce0b50ecde5c1fc..92343b8535e3f3953ed24e70139903b0b6173359 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -1937,6 +1937,7 @@ dnl checks needed to define wxVaCopy
 AC_CACHE_CHECK([for va_copy],
     wx_cv_func_va_copy,
     [
+        AC_LANG_PUSH(C++)
         AC_LINK_IFELSE([
             #include <stdarg.h>
             void foo(char *f, ...)
@@ -1955,6 +1956,7 @@ AC_CACHE_CHECK([for va_copy],
             wx_cv_func_va_copy=yes,
             wx_cv_func_va_copy=no
         )
+        AC_LANG_POP()
     ]
 )