From 17d3e6945e176e700eaedf93becefe29e0ceb73c Mon Sep 17 00:00:00 2001
From: Emmanuel Christophe <emmanuel.christophe@orfeo-toolbox.org>
Date: Sun, 14 Nov 2010 22:06:52 -0800
Subject: [PATCH] COMP: support for cmake < 2.6.4
---
CMake/PreventInSourceBuilds.cmake | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/CMake/PreventInSourceBuilds.cmake b/CMake/PreventInSourceBuilds.cmake
index 60f035f686..2a402061c3 100644
--- a/CMake/PreventInSourceBuilds.cmake
+++ b/CMake/PreventInSourceBuilds.cmake
@@ -1,9 +1,14 @@
#
# This function will prevent in-source builds
function(AssureOutOfSourceBuilds)
- # make sure the user doesn't play dirty with symlinks
- get_filename_component(srcdir "${CMAKE_SOURCE_DIR}" REALPATH)
- get_filename_component(bindir "${CMAKE_BINARY_DIR}" REALPATH)
+ if (${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION} GREATER 2.6)
+ # make sure the user doesn't play dirty with symlinks
+ get_filename_component(srcdir "${CMAKE_SOURCE_DIR}" REALPATH)
+ get_filename_component(bindir "${CMAKE_BINARY_DIR}" REALPATH)
+ else()
+ get_filename_component(srcdir "${CMAKE_SOURCE_DIR}" ABSOLUTE)
+ get_filename_component(bindir "${CMAKE_BINARY_DIR}" ABSOLUTE)
+ endif()
# disallow in-source builds
if("${srcdir}" STREQUAL "${bindir}")
--
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