CMake improvements;

- always set project name
- be more careful setting include directories
- install targets and version file, export package
- CMakeConfig file: only include targets.cmake if target does not exist yet.

CMakeLists.txt

@@ -3,10 +3,7 @@ if (WIN32)
   cmake_minimum_required (VERSION 3.13)
 endif()
 
-#Only set project name if CoMISo is built as stand-alone library
-if("${PROJECT_NAME}" STREQUAL "")
-    project(CoMISo)
-endif()
+project(CoMISo VERSION 1.1.0)
 
 # add our macro directory to cmake search path
 set (CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_CURRENT_SOURCE_DIR}/cmake)
@@ -409,19 +406,22 @@ link_directories(${COMISO_LINK_DIRECTORIES})
 acg_add_library (CoMISo SHARED ${ui} ${sources} ${headers} ) 
 add_library(CoMISo::CoMISo ALIAS CoMISo)
 
-target_include_directories (CoMISo PUBLIC
-  $<BUILD_INTERFACE:
-  ${CMAKE_CURRENT_SOURCE_DIR}
-  ${CMAKE_CURRENT_SOURCE_DIR}/../
-  ${CMAKE_CURRENT_BINARY_DIR}
-  ${CMAKE_CURRENT_BINARY_DIR}/../>
-  $<INSTALL_INTERFACE:include>
-  ${COMISO_INCLUDE_DIRECTORIES}
+target_include_directories(CoMISo
+    PUBLIC
+        $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/>
+        $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/..> # TODO: this is dangerous!
+        $<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}/>
+        $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
 )
 
-get_target_property(INC_DIRS CoMISo INCLUDE_DIRECTORIES)
+foreach(_incdir ${COMISO_INCLUDE_DIRECTORIES})
+    target_include_directories(CoMISo PUBLIC "$<BUILD_INTERFACE:${_incdir}>")
+endforeach()
 
+#get_target_property(INC_DIRS CoMISo INCLUDE_DIRECTORIES)
+#get_target_property(INT_INC_DIRS CoMISo INTERFACE_INCLUDE_DIRECTORIES)
 #message("Target CoMISo include dirs: ${INC_DIRS}")
+#message("Target CoMISo int include dirs: ${INT_INC_DIRS}")
 #message("COMISO_INCLUDE_DIRECTORIES: ${COMISO_INCLUDE_DIRECTORIES}")
 #message("COMISO_LINK_DIRECTORIES: ${COMISO_LINK_DIRECTORIES}")
 
@@ -464,13 +464,13 @@ if ( QT5_FOUND )
 
   if ( NOT WIN32 )
     # Allow targets depending on ACG find the autogenerated header files
-    target_include_directories( CoMISo PUBLIC
-                               ${CMAKE_CURRENT_BINARY_DIR}/CoMISo_autogen/include )
+    #target_include_directories( CoMISo PUBLIC
+    #                           ${CMAKE_CURRENT_BINARY_DIR}/CoMISo_autogen/include )
   else()
      # Allow targets depending on ACG find the autogenerated header files
-    target_include_directories( CoMISo PUBLIC
-                               $<$<CONFIG:Debug>:${CMAKE_CURRENT_BINARY_DIR}/CoMISo_autogen/include_Debug/>
-                               $<$<CONFIG:Release>:${CMAKE_CURRENT_BINARY_DIR}/CoMISo_autogen/include_Release/> )
+     #target_include_directories( CoMISo PUBLIC
+     #                          $<$<CONFIG:Debug>:${CMAKE_CURRENT_BINARY_DIR}/CoMISo_autogen/include_Debug/>
+     #                          $<$<CONFIG:Release>:${CMAKE_CURRENT_BINARY_DIR}/CoMISo_autogen/include_Release/> )
   endif()
 
 endif()
@@ -576,7 +576,25 @@ if (COMISO_BUILD_EXAMPLES )
 endif (COMISO_BUILD_EXAMPLES )
 
 # Only create install target, when we are building CoMISo standalone
-if(${PROJECT_NAME} MATCHES "CoMISo")
+if(NOT COMISO_NO_INSTALL)
+
+
+    include(CMakePackageConfigHelpers)
+    include(GNUInstallDirs)
+
+    set(INSTALL_CONFIGDIR ${CMAKE_INSTALL_LIBDIR}/cmake/CoMISo)
+
+    write_basic_package_version_file(
+        CoMISoConfigVersion.cmake
+        VERSION ${PROJECT_VERSION}
+        COMPATIBILITY SameMajorVersion
+        )
+
+    install(FILES
+        "${CMAKE_CURRENT_BINARY_DIR}/CoMISoConfigVersion.cmake"
+        "${CMAKE_CURRENT_BINARY_DIR}/CoMISoConfig.cmake"
+        DESTINATION ${INSTALL_CONFIGDIR})
+
 
   # Install library
   install (TARGETS CoMISo EXPORT CoMISoTargets
@@ -613,6 +631,10 @@ if(${PROJECT_NAME} MATCHES "CoMISo")
           DESTINATION cmake
           )
 
+      export(EXPORT CoMISoTargets
+          NAMESPACE CoMISo::)
+      export(PACKAGE CoMISo)
+
 endif()
 
 list(REMOVE_AT CMAKE_MODULE_PATH -1)

cmake/CoMISoConfig.cmake

-include(CMakeFindDependencyMacro)
+if(NOT TARGET CoMISo::CoMISo)
+    include("${CMAKE_CURENT_LIST_DIR}/CoMISoTargets.cmake")
+endif()
 
-# Add the targets file
-include("${CMAKE_CURRENT_LIST_DIR}/CoMISoTargets.cmake")