From: hobbes1069 <hobbes1069@01035d8c-6547-0410-b346-abe4f91aad63>
Date: Fri, 6 Dec 2013 20:43:02 +0000 (+0000)
Subject: Make in-source build error message more human readable.
X-Git-Url: http://git.whiteaudio.com/gitweb/?a=commitdiff_plain;h=c6efaae36a297eb53036f0173daa51ce5a833665;p=freetel-svn-tracking.git

Make in-source build error message more human readable.

git-svn-id: https://svn.code.sf.net/p/freetel/code@1331 01035d8c-6547-0410-b346-abe4f91aad63
---

diff --git a/fdmdv2/CMakeLists.txt b/fdmdv2/CMakeLists.txt
index 81180a8f..f879470e 100644
--- a/fdmdv2/CMakeLists.txt
+++ b/fdmdv2/CMakeLists.txt
@@ -13,6 +13,9 @@ cmake_minimum_required(VERSION 2.8)
 # files manually.
 set(CMAKE_DISABLE_SOURCE_CHANGES ON)
 set(CMAKE_DISABLE_IN_SOURCE_BUILD ON)
+if("${PROJECT_SOURCE_DIR}" STREQUAL "${PROJECT_BINARY_DIR}")
+   message(FATAL_ERROR "In-source builds are not allowed.")
+endif("${PROJECT_SOURCE_DIR}" STREQUAL "${PROJECT_BINARY_DIR}")
 
 project(FreeDV)