From 804b1bc1972a4b5b4f359335d7a74dac65256c42 Mon Sep 17 00:00:00 2001
From: redfish <redfish@galactica.pw>
Date: Tue, 21 Jun 2016 20:07:19 -0400
Subject: [PATCH] cmake: initialize ARCH for native builds

We need ARCH, because it needs to be set for ARM7, ARM6 to be
initialized.

Strangely, on different machines (both ARMv7, Arch), ${ARCH}
var is either empty or 'native'. Handle both cases.
---
 CMakeLists.txt | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index ab2c83a96..1770b229f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -45,7 +45,12 @@ function (die msg)
   message(FATAL_ERROR "${BoldRed}${msg}${ColourReset}")
 endfunction ()
 
-if (NOT ${ARCH} STREQUAL "")
+if ("${ARCH}" STREQUAL "" OR "${ARCH}" STREQUAL "native")
+  set(ARCH ${CMAKE_SYSTEM_PROCESSOR})
+  message(STATUS "Building natively on ${ARCH}")
+endif()
+
+if (NOT "${ARCH}" STREQUAL "")
   string(SUBSTRING ${ARCH} 0 3 IS_ARM)
   string(TOLOWER ${IS_ARM} IS_ARM)