initial import of the C runtime

src/runtime/c/gu/sysdeps.h

@@ -0,0 +1,30 @@
+#ifndef GU_SYSDEPS_H_
+#define GU_SYSDEPS_H_
+
+#include <guconfig.h>
+
+#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
+# define GU_GNUC
+#endif
+
+#ifdef GU_GNUC
+# define GU_ALIGNOF __alignof
+# define GU_HAVE_STATEMENT_EXPRESSIONS
+# define GU_GNUC_ATTR(x) __attribute__(( x ))
+# if defined(__OPTIMIZE_SIZE__)
+#  define GU_OPTIMIZE_SIZE
+# elif defined(__OPTIMIZE__)
+#  define GU_OPTIMIZE_SPEED
+# endif
+#else
+# define GU_GNUC_ATTR(x)
+#endif
+
+#ifdef S_SPLINT_S
+# define GU_SPLINT(x) %{ x %}
+#else
+# define GU_SPLINT(x)
+#endif
+
+
+#endif // GU_SYSDEPS_H_