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-rw-r--r--src/egl/main/eglcompiler.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/src/egl/main/eglcompiler.h b/src/egl/main/eglcompiler.h
index 5a3fb49ac2..d844fbb0ef 100644
--- a/src/egl/main/eglcompiler.h
+++ b/src/egl/main/eglcompiler.h
@@ -71,5 +71,23 @@
# define PUBLIC
#endif
+/**
+ * The __FUNCTION__ gcc variable is generally only used for debugging.
+ * If we're not using gcc, define __FUNCTION__ as a cpp symbol here.
+ * Don't define it if using a newer Windows compiler.
+ */
+#ifndef __FUNCTION__
+# if defined(__VMS)
+# define __FUNCTION__ "VMS$NL:"
+# elif ((!defined __GNUC__) || (__GNUC__ < 2)) && (!defined __xlC__) && \
+ (!defined(_MSC_VER) || _MSC_VER < 1300)
+# if (__STDC_VERSION__ >= 199901L) /* C99 */ || \
+ (defined(__SUNPRO_C) && defined(__C99FEATURES__))
+# define __FUNCTION__ __func__
+# else
+# define __FUNCTION__ "<unknown>"
+# endif
+# endif
+#endif
#endif /* EGLCOMPILER_INCLUDED */