--- /dev/null
+diff -Nura libart_lgpl-2.3.21.orig/Makefile.am libart_lgpl-2.3.21/Makefile.am
+--- libart_lgpl-2.3.21.orig/Makefile.am 2011-02-01 10:07:39.687545397 -0300
++++ libart_lgpl-2.3.21/Makefile.am 2011-02-01 10:08:48.320545396 -0300
+@@ -5,11 +5,6 @@
+
+ noinst_SCRIPTS = gen_art_config.sh
+
+-BUILT_SOURCES = art_config.h
+-
+-art_config.h:
+- ./gen_art_config.sh > art_config.h
+-
+ EXTRA_DIST = \
+ libart.def \
+ libart-config.in \
+diff -Nura libart_lgpl-2.3.21.orig/art_config.h libart_lgpl-2.3.21/art_config.h
+--- libart_lgpl-2.3.21.orig/art_config.h 2011-02-01 10:07:39.688545397 -0300
++++ libart_lgpl-2.3.21/art_config.h 2011-02-01 10:08:27.315545395 -0300
+@@ -1,9 +1,15 @@
+ /* Automatically generated by gen_art_config */
+
++#include <limits.h>
++
+ #define ART_SIZEOF_CHAR 1
+ #define ART_SIZEOF_SHORT 2
+ #define ART_SIZEOF_INT 4
++#if LONG_MAX == 2147483647L
+ #define ART_SIZEOF_LONG 4
++#else
++#define ART_SIZEOF_LONG 8
++#endif
+
+ typedef unsigned char art_u8;
+ typedef unsigned short art_u16;