Merge pull request #7 from snrkiwi/fix-rpath

cmake: Correctly set RPATH accounting for OS X and CMake versions

Author: meyerj

CMakeLists.txt

@@ -96,7 +96,19 @@ SET_TARGET_PROPERTIES(${LOG4CPP_LIBRARY_NAME} PROPERTIES VERSION ${VERSION} SOVE
 # in dependent libraries/executables. Without this, CMake drops the path and
 # the dependency becomes just the lib name (which requires working DYLD_xxx)
 SET_TARGET_PROPERTIES(${LOG4CPP_LIBRARY_NAME} PROPERTIES
- INSTALL_NAME_DIR "${CMAKE_INSTALL_PREFIX}/lib")
+ INSTALL_RPATH_USE_LINK_PATH ON)
+# Set INSTALL_NAME_DIR for MacOS X to tell users of this library how to find it:
+if(APPLE)
+ if (CMAKE_VERSION VERSION_LESS "3.0.0")
+ SET_TARGET_PROPERTIES( ${LOG4CPP_LIBRARY_NAME} PROPERTIES
+ INSTALL_NAME_DIR "@rpath"
+ )
+ else()
+ # cope with CMake 3.x
+ SET_TARGET_PROPERTIES( ${LOG4CPP_LIBRARY_NAME} PROPERTIES
+ MACOSX_RPATH ON)
+ endif()
+endif()
 
 ADD_DEFINITIONS(${LOG4CPP_CFLAGS})