Merge branch 'PHP-5.3' into PHP-5.4

Conflicts:
	NEWS

Author: moriyoshi

Diff for: acinclude.m4

@@ -2449,7 +2449,12 @@ AC_DEFUN([PHP_SETUP_ICONV], [
   dnl
   dnl Check libc first if no path is provided in --with-iconv
   dnl
+
   if test "$PHP_ICONV" = "yes"; then
+    dnl Reset LIBS temporarily as it may have already been included
+    dnl -liconv in.
+    LIBS_save="$LIBS"
+    LIBS=
     AC_CHECK_FUNC(iconv, [
       found_iconv=yes
     ],[
@@ -2459,6 +2464,7 @@ AC_DEFUN([PHP_SETUP_ICONV], [
         found_iconv=yes
       ])
     ])
+    LIBS="$LIBS_save"
   fi
 
   dnl