From: TimePath <andrew.hardaker1995@gmail.com>
Date: Mon, 31 Jul 2017 10:58:16 +0000 (+1000)
Subject: CMake: make default install prefix actually work
X-Git-Url: https://git.rm.cloudns.org/?a=commitdiff_plain;h=b13daa752befa6586ce4dec9d8ff850aab2a8597;p=xonotic%2Fnetradiant.git

CMake: make default install prefix actually work
---

diff --git a/CMakeLists.txt b/CMakeLists.txt
index f30b0a2e..b95fd628 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,8 +4,8 @@ list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/cmake")
 project(NetRadiant C CXX)
 option(BUILD_RADIANT "Build the gui" ON)
 
-if (NOT CMAKE_INSTALL_PREFIX)
-    set(CMAKE_INSTALL_PREFIX "${PROJECT_SOURCE_DIR}/install")
+if (CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
+    set(CMAKE_INSTALL_PREFIX "${PROJECT_SOURCE_DIR}/install" CACHE PATH "..." FORCE)
 endif ()
 
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