CMake: enable MACOSX_RPATH by default.

CMakeLists.txt

@@ -26,6 +26,11 @@
 cmake_minimum_required(VERSION 2.8.9)
 project(Magnum)
 
+# CMake policies: enable MACOSX_RPATH by default
+if(POLICY CMP0042)
+    cmake_policy(SET CMP0042 NEW)
+endif()
+
 # Find Corrade first so we can check on the target
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${PROJECT_SOURCE_DIR}/modules/")
 find_package(Corrade REQUIRED)

package/ci/travis.yml

@@ -44,7 +44,7 @@ install:
 - cd corrade
 - mkdir build
 - cd build
-- cmake .. -DCMAKE_INSTALL_PREFIX=$HOME/deps -DCMAKE_INSTALL_RPATH=$HOME/deps/lib -DCMAKE_MACOSX_RPATH=ON -DCMAKE_BUILD_TYPE=Release
+- cmake .. -DCMAKE_INSTALL_PREFIX=$HOME/deps -DCMAKE_INSTALL_RPATH=$HOME/deps/lib -DCMAKE_BUILD_TYPE=Release
 - cmake --build .
 - cmake --build . --target install
 - cd ..