XBPS can now be built on NetBSD (and probably any other BSD variant).

include/compat.h

@@ -3,7 +3,12 @@
 
 #include <sys/types.h>
 #include <stdarg.h>
-#include "xbps_api_impl.h"
+
+#if HAVE_VISIBILITY
+#define HIDDEN __attribute__ ((visibility("hidden")))
+#else
+#define HIDDEN
+#endif
 
 #ifndef HAVE_STRLCAT
 size_t HIDDEN strlcat(char *, const char *, size_t);
@@ -17,8 +22,18 @@ size_t HIDDEN strlcpy(char *, const char *, size_t);
 char HIDDEN *strcasestr(const char *, const char *);
 #endif
 
-#if defined(HAVE_VASPRINTF) && !defined(_GNU_SOURCE)
+#if !defined(HAVE_VASPRINTF) && !defined(_GNU_SOURCE)
 int HIDDEN vasprintf(char **, const char *, va_list);
 #endif
 
+#ifndef HAVE_HUMANIZE_HUMBER
+#define HN_DECIMAL              0x01
+#define HN_NOSPACE              0x02
+#define HN_B                    0x04
+#define HN_DIVISOR_1000         0x08
+#define HN_GETSCALE             0x10
+#define HN_AUTOSCALE            0x20
+int HIDDEN humanize_number(char *, size_t, int64_t, const char *, int, int);
+#endif
+
 #endif /* COMPAT_H */

include/xbps_api.h.in

@@ -38,11 +38,15 @@
 #ifdef  __cplusplus
 # ifndef __BEGIN_DECLS
 #  define __BEGIN_DECLS  extern "C" {
+# endif
+# ifndef __END_DECLS
 #  define __END_DECLS    }
 # endif
 #else
 # ifndef __BEGIN_DECLS
 #  define __BEGIN_DECLS
+# endif
+# ifndef __END_DECLS
 #  define __END_DECLS
 # endif
 #endif

include/xbps_api_impl.h

@@ -40,7 +40,6 @@
 #define HIDDEN
 #endif
 
-#include "compat.h"
 #include "queue.h"
 #include "fetch.h"