From 5baa6247a9e436c653c7cc4c3e757a081f9bbc97 Mon Sep 17 00:00:00 2001
From: Peter Powell <petpow@saberuk.com>
Date: Thu, 2 Apr 2015 01:43:05 +0100
Subject: [PATCH] Don't overwrite CMAKE_INSTALL_PREFIX if it has already been
 set.

---
 CMakeLists.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9759c3c34..5bbca11c5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -377,7 +377,7 @@ endif(PERL AND USE_RUN_CC_PL)
 # If a INSTDIR was passed in to CMake, use it as the install prefix, otherwise set the default install prefix to the services directory under the user's home directory
 if(INSTDIR)
   set(CMAKE_INSTALL_PREFIX "${INSTDIR}")
-else(INSTDIR)
+elseif(NOT CMAKE_INSTALL_PREFIX)
   set(CMAKE_INSTALL_PREFIX "$ENV{HOME}/services")
 endif(INSTDIR)