fixed hard coded cmake install prefix

the CMAKE_INSTALL_PREFIX was hardoced, this fix allows the user change the install prefix. Fixes #34
rttrorg · Jan 22, 2017 · 2f43e40 · 2f43e40
1 parent 47e5c11
commit 2f43e40
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -87,4 +87,6 @@ if (BUILD_DOCUMENTATION)
 endif()
 
 # here we specify the installation directory
-set(CMAKE_INSTALL_PREFIX ${RTTR_INSTALL_DIR} CACHE PATH  "RTTR install prefix" FORCE)
+if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
+  set(CMAKE_INSTALL_PREFIX ${RTTR_INSTALL_DIR} CACHE PATH  "RTTR install prefix" FORCE)
+endif()