--- config.m4.orig  2013-10-15 07:13:32.303950731 +0200

+++ config.m4   2013-10-15 07:13:44.515950720 +0200

@@ -27,6 +27,6 @@

   PHP_REQUIRE_CXX()

   PHP_ADD_LIBRARY_WITH_PATH(stdc++, "", RAR_SHARED_LIBADD)

-  PHP_NEW_EXTENSION(rar, rar.c rar_error.c rararch.c rarentry.c rar_stream.c rar_navigation.c $unrar_sources, $ext_shared,,-DRARDLL -DGUI -DSILENT -Wno-write-strings -Wno-logical-op-parentheses -I@ext_srcdir@/unrar)  

+  PHP_NEW_EXTENSION(rar, rar.c rar_error.c rararch.c rarentry.c rar_stream.c rar_navigation.c $unrar_sources, $ext_shared,,-DRARDLL -DGUI -DSILENT -Wno-write-strings -I@ext_srcdir@/unrar)  

   PHP_ADD_BUILD_DIR($ext_builddir/unrar)  

 fi

​