From 67f4a13ec529500999a64cf65e73d485ffbe0164 Mon Sep 17 00:00:00 2001
From: Christian Zimmermann <christian.zimmermann@ur.de>
Date: Mon, 5 Nov 2018 15:43:31 +0100
Subject: [PATCH] reorganize install path

---
 CMakeLists.txt | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index d3d5c2a..df290d9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -6,7 +6,13 @@ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Werror -std=c++11 -Wpedantic -O3
 
 enable_testing()
 
-set(INSTALL_PATH ${CMAKE_SOURCE_DIR}/install)
+if(IS_ABSOLUTE "${CMAKE_INSTALL_PREFIX}")
+  set(INSTALL_PATH ${CMAKE_INSTALL_PREFIX})
+else()
+  #set(INSTALL_PATH ${CMAKE_SOURCE_DIR}/install)
+  get_filename_component(INSTALL_PATH ${CMAKE_BINARY_DIR}/${CMAKE_INSTALL_PREFIX} ABSOLUTE)
+endif()
+message(WARNING "found absolute install path '${INSTALL_PATH}'") 
 
 find_package( GTest REQUIRED )
 if(GTest_FOUND)