RPATH settings should be defined before first target

Author: awegrzyn

CMakeLists.txt

@@ -85,6 +85,22 @@ find_package(Configuration REQUIRED)
 find_package(InfoLogger REQUIRED)
 find_package(PDA)
 
+####################################
+# RPATH
+####################################
+include(GNUInstallDirs)
+
+# https://gitlab.kitware.com/cmake/community/wikis/doc/cmake/RPATH-handling
+set(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
+list(FIND CMAKE_PLATFORM_IMPLICIT_LINK_DIRECTORIES "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}" isSystemDir)
+if(CMAKE_SYSTEM_NAME STREQUAL "Darwin")
+  if("${isSystemDir}" STREQUAL "-1")
+    set(CMAKE_INSTALL_RPATH "@loader_path/../${CMAKE_INSTALL_LIBDIR}")
+  endif()
+  set(CMAKE_BUILD_WITH_INSTALL_RPATH TRUE)
+endif()
+unset(isSystemDir)
+
 ####################################
 # Module, library and executable definition
 ####################################
@@ -302,20 +318,6 @@ endforeach()
 # Install
 ####################################
 
-include(GNUInstallDirs)
-
-# Build targets with install rpath on Mac to dramatically speed up installation
-# https://gitlab.kitware.com/cmake/community/wikis/doc/cmake/RPATH-handling
-set(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
-list(FIND CMAKE_PLATFORM_IMPLICIT_LINK_DIRECTORIES "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}" isSystemDir)
-if(CMAKE_SYSTEM_NAME STREQUAL "Darwin")
-  if("${isSystemDir}" STREQUAL "-1")
-    set(CMAKE_INSTALL_RPATH "@loader_path/../${CMAKE_INSTALL_LIBDIR}")
-  endif()
-  set(CMAKE_BUILD_WITH_INSTALL_RPATH TRUE)
-endif()
-unset(isSystemDir)
-
 # Install library and executables
 install(TARGETS ReadoutCard ${EXE_NAMES}
   EXPORT ReadoutCardTargets