From 0b8638821eccd09a50dfb26cfe7a82549c8254c5 Mon Sep 17 00:00:00 2001
From: "Yury G. Kudryashov" <urkud.urkud@gmail.com>
Date: Fri, 24 Feb 2012 01:39:39 +0400
Subject: [PATCH] CMakeFindPackageMode: fix 32/64bit detection if 'file' is a
 symlink

---
 Modules/CMakeFindPackageMode.cmake | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Modules/CMakeFindPackageMode.cmake b/Modules/CMakeFindPackageMode.cmake
index 42965773a..59c7ba5ee 100644
--- a/Modules/CMakeFindPackageMode.cmake
+++ b/Modules/CMakeFindPackageMode.cmake
@@ -71,7 +71,8 @@ if(UNIX)
       # use the file utility to check whether itself is 64 bit:
       find_program(FILE_EXECUTABLE file)
       if(FILE_EXECUTABLE)
-        execute_process(COMMAND "${FILE_EXECUTABLE}" "${FILE_EXECUTABLE}" OUTPUT_VARIABLE fileOutput ERROR_QUIET)
+        get_filename_component(FILE_ABSPATH "${FILE_EXECUTABLE}" ABSOLUTE)
+        execute_process(COMMAND "${FILE_ABSPATH}" "${FILE_ABSPATH}" OUTPUT_VARIABLE fileOutput ERROR_QUIET)
         if("${fileOutput}" MATCHES "64-bit")
           set(CMAKE_SIZEOF_VOID_P 8)
         endif()