Allow customization of component install dirs

Author: dreifachstein

CMakeLists.txt

@@ -16,6 +16,16 @@ IF(NOT WIN32)
     ENDIF(NOT CMAKE_BUILD_TYPE)
 ENDIF(NOT WIN32)
 
+SET(RUNTIME_INSTALL_DIR lib
+    CACHE PATH "Install dir for executables and dlls")
+SET(ARCHIVE_INSTALL_DIR lib
+    CACHE PATH "Install dir for static libraries")
+SET(LIBRARY_INSTALL_DIR lib
+    CACHE PATH "Install dir for shared libraries")
+SET(INCLUDE_INSTALL_DIR include
+    CACHE PATH "Install dir for headers")
+MARK_AS_ADVANCED( RUNTIME_INSTALL_DIR ARCHIVE_INSTALL_DIR INCLUDE_INSTALL_DIR )
+
 # This ensures shared DLL are in the same dir as executable on Windows.
 # Put all executables / libraries are in a project global directory.
 SET(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/lib

include/CMakeLists.txt

@@ -1,2 +1,2 @@
 FILE(GLOB INCLUDE_FILES "json/*.h")
-INSTALL(FILES ${INCLUDE_FILES} DESTINATION include/json)
+INSTALL(FILES ${INCLUDE_FILES} DESTINATION ${INCLUDE_INSTALL_DIR}/json)

src/lib_json/CMakeLists.txt

@@ -41,7 +41,7 @@ SET_TARGET_PROPERTIES( jsoncpp_lib PROPERTIES VERSION ${JSONCPP_VERSION} SOVERSI
 
 # Install instructions for this target
 INSTALL( TARGETS jsoncpp_lib
-         RUNTIME DESTINATION bin
-         LIBRARY DESTINATION lib
-         ARCHIVE DESTINATION lib
+         RUNTIME DESTINATION ${RUNTIME_INSTALL_DIR}
+         LIBRARY DESTINATION ${LIBRARY_INSTALL_DIR}
+         ARCHIVE DESTINATION ${ARCHIVE_INSTALL_DIR}
 )