1 files changed, 26 insertions, 0 deletions
diff --git a/machine.h b/machine.h
index b89f0232..6eba448c 100644
--- a/machine.h
+++ b/machine.h
@@ -85,4 +85,30 @@ enum fp_abi {
 #define FP_ABI_NATIVE		FP_ABI_SOFT
 #endif
 
+
+enum {
+	OS_CYGWIN,
+	OS_DARWIN,
+	OS_FREEBSD,
+	OS_LINUX,
+	OS_NETBSD,
+	OS_OPENBSD,
+	OS_SUNOS,
+	OS_UNKNOWN,
+};
+
+#if defined(__linux__) || defined(__linux)
+#define OS_NATIVE	OS_LINUX
+#elif defined(__FreeBSD__)
+#define OS_NATIVE	OS_FREEBSD
+#elif defined(__APPLE__)
+#define OS_NATIVE	OS_DARWIN
+#elif defined(__CYGWIN__)
+#define OS_NATIVE	OS_CYGWIN
+#elif defined(__sun__) && defined(__sun)
+#define OS_NATIVE	OS_SUNOS
+#else
+#define OS_NATIVE	OS_UNKNOWN
+#endif
+
 #endif