Added eos-config, -config-version and -targets CMake scripts so that the...

Added eos-config, -config-version and -targets CMake scripts so that the library can be included by other CMake projects

CMakeLists.txt

@@ -3,6 +3,7 @@ cmake_minimum_required(VERSION 2.8.7)
 set(eos_VERSION_MAJOR 0)
 set(eos_VERSION_MINOR 1)
 set(eos_VERSION_PATCH 0)
+set(eos_VERSION ${eos_VERSION_MAJOR}.${eos_VERSION_MINOR}.${eos_VERSION_PATCH})
 
 # g++ needs a compiler flag to enable C++11 support
 include(CheckCXXCompilerFlag)
@@ -71,9 +72,15 @@ add_library(eos ${SOURCES} ${HEADERS})
 target_link_libraries(eos ${OpenCV_LIBS} ${Boost_LIBRARIES})
 
 # The install target:
-install(TARGETS eos DESTINATION lib)
-install(DIRECTORY ${CMAKE_SOURCE_DIR}/include/ DESTINATION include)
-install(DIRECTORY ${CMAKE_SOURCE_DIR}/share/ DESTINATION share)
+install(TARGETS eos DESTINATION ${CMAKE_INSTALL_PREFIX}/lib EXPORT eos-targets)
+install(DIRECTORY ${CMAKE_SOURCE_DIR}/include/ DESTINATION ${CMAKE_INSTALL_PREFIX}/include)
+install(DIRECTORY ${CMAKE_SOURCE_DIR}/share/ DESTINATION ${CMAKE_INSTALL_PREFIX}/share)
+
+# Export the target:
+install(EXPORT eos-targets DESTINATION ${CMAKE_INSTALL_PREFIX}/) # creates eos-targets.cmake
+install(FILES eos-config.cmake DESTINATION ${CMAKE_INSTALL_PREFIX}/)
+configure_file(eos-config-version.cmake.in "${PROJECT_BINARY_DIR}/eos-config-version.cmake" @ONLY)
+install(FILES "${PROJECT_BINARY_DIR}/eos-config-version.cmake" DESTINATION ${CMAKE_INSTALL_PREFIX}/)
 
 if(BUILD_EXAMPLES)
 	add_subdirectory(examples)

eos-config-version.cmake.in

+set(PACKAGE_VERSION "@eos_VERSION@")
+
+# Check whether the requested PACKAGE_FIND_VERSION is compatible:
+if("${PACKAGE_VERSION}" VERSION_LESS "${PACKAGE_FIND_VERSION}")
+  set(PACKAGE_VERSION_COMPATIBLE FALSE)
+else()
+  set(PACKAGE_VERSION_COMPATIBLE TRUE)
+  if ("${PACKAGE_VERSION}" VERSION_EQUAL "${PACKAGE_FIND_VERSION}")
+    set(PACKAGE_VERSION_EXACT TRUE)
+  endif()
+endif()

eos-config.cmake

+# CMake config file for the eos library
+# -------------------------------------
+# It defines the following variables:
+#  eos_INCLUDE_DIRS - the eos include directory
+# and the target 'eos' to link against.
+
+# Get the absolute path of this file:
+get_filename_component(SELF_DIR "${CMAKE_CURRENT_LIST_FILE}" PATH)
+
+set(eos_INCLUDE_DIRS "${SELF_DIR}/include")
+
+# Defines our library target and its dependencies:
+include(${SELF_DIR}/eos-targets.cmake)