From 798b72b39c16855a2259152e41248ac38496bdde Mon Sep 17 00:00:00 2001
From: Nikias Bassen
Date: Wed, 17 Mar 2021 01:18:53 +0100
Subject: configure: Make sure to check endianness

When using macros from endianness.h we want to be sure that the
target platform endianness is correctly set. This makes sure that
we define the endianness, in case the compiler doesn't provide
that information.
---
 configure.ac | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/configure.ac b/configure.ac
index 06bb4ed..7df4c15 100644
--- a/configure.ac
+++ b/configure.ac
@@ -45,6 +45,10 @@ PKG_CHECK_MODULES(zlib, zlib)
 # optional
 PKG_CHECK_MODULES(openssl, openssl >= $OPENSSL_VERSION, have_openssl=yes, have_openssl=no)
 
+# Checking endianness
+AC_C_BIGENDIAN([AC_DEFINE([__BIG_ENDIAN__], [1], [big endian])],
+               [AC_DEFINE([__LITTLE_ENDIAN__], [1], [little endian])])
+
 GLOBAL_CFLAGS="-Wno-multichar -O2"
 AC_LDADD=""
 AC_LDFLAGS=""
-- 
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