Moved identiconpp.hpp to include/.

include/CMakeLists.txt

@@ -0,0 +1,4 @@
+include(GNUInstallDirs)
+
+install("identiconpp.hpp"
+  DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}")

src/CMakeLists.txt

@@ -4,7 +4,8 @@ find_package(PkgConfig REQUIRED)
 pkg_check_modules(Magick++ REQUIRED IMPORTED_TARGET Magick++)
 
 file(GLOB sources *.cpp)
-add_library(${PROJECT_NAME} ${sources} ${PROJECT_NAME}.hpp)
+add_library(${PROJECT_NAME}
+  ${sources} ${PROJECT_SOURCE_DIR}/include/${PROJECT_NAME}.hpp)
 target_link_libraries(${PROJECT_NAME} PkgConfig::Magick++)
 set_target_properties(${PROJECT_NAME} PROPERTIES
   VERSION ${PROJECT_VERSION}
@@ -14,5 +15,3 @@ install(TARGETS ${PROJECT_NAME}
   EXPORT "${PROJECT_NAME}Targets"
   LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
   ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
-install(FILES ${PROJECT_NAME}.hpp
-  DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})