From: Dylan Baker <dylan@pnwbakers.com>
Date: Thu, 24 Oct 2019 17:16:15 +0000 (-0700)
Subject: util/u_endian: Add error checks
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=9020f519d2434be33edd59b9205d6647db4472bb;p=mesa.git

util/u_endian: Add error checks

As suggested by Eric Engestrom and Michel Dänzer.
---

diff --git a/src/util/u_endian.h b/src/util/u_endian.h
index 4e4ba60ca1d..fb3eda42c5c 100644
--- a/src/util/u_endian.h
+++ b/src/util/u_endian.h
@@ -80,4 +80,10 @@
 
 #endif
 
+#if !defined(UTIL_ARCH_LITTLE_ENDIAN) || !defined(UTIL_ARCH_BIG_ENDIAN)
+# error "UTIL_ARCH_LITTLE_ENDIAN and/or UTIL_ARCH_BIG_ENDIAN were unset."
+#elif UTIL_ARCH_LITTLE_ENDIAN == UTIL_ARCH_BIG_ENDIAN
+# error "UTIL_ARCH_LITTLE_ENDIAN and UTIL_ARCH_BIG_ENDIAN must not both be 1 or 0."
+#endif
+
 #endif