--- work/libart_lgpl-2.3.19/art_misc.h
+++ work/libart_lgpl-2.3.19/art_misc.h
@@ -34,10 +34,6 @@
 #include <libart_lgpl/art_config.h>
 #endif
 
-void *art_alloc(size_t size);
-void art_free(void *ptr);
-void *art_realloc(void *ptr, size_t size);
-
 /* These aren't, strictly speaking, configuration macros, but they're
    damn handy to have around, and may be worth playing with for
    debugging. */
@@ -78,6 +74,10 @@
 extern "C" {
 #endif
 
+extern void *art_alloc(size_t size);
+extern void art_free(void *ptr);
+extern void *art_realloc(void *ptr, size_t size);
+
 void ART_GNUC_NORETURN
 art_die (const char *fmt, ...) ART_GNUC_PRINTF (1, 2);