From 74034c5bc3447cf628d13ca692beec7ffc0ce4cd Mon Sep 17 00:00:00 2001
From: Stanislaw Halik <sthalik@misaki.pl>
Date: Thu, 7 Jul 2016 11:40:57 +0200
Subject: cmake: check word size

---
 cmake/opentrack-word-size.cmake | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100644 cmake/opentrack-word-size.cmake

(limited to 'cmake')

diff --git a/cmake/opentrack-word-size.cmake b/cmake/opentrack-word-size.cmake
new file mode 100644
index 00000000..c670ed59
--- /dev/null
+++ b/cmake/opentrack-word-size.cmake
@@ -0,0 +1,12 @@
+include(CheckTypeSize)
+check_type_size(void* opentrack-word-size BUILTIN_TYPES_ONLY LANGUAGE C)
+message(STATUS "detected word size is ${opentrack-word-size}")
+if(opentrack-word-size LESS 4)
+    message(FATAL_ERROR "word size either misdetected or really less than 4")
+endif()
+set(opentrack-word-size ${opentrack-word-size})
+if(opentrack-word-size EQUAL 8)
+    set(opentrack-64bit TRUE)
+else()
+    set(opentrack-64bit FALSE)
+endif()
-- 
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