Add proper install logic for dynl

.gitignore

@@ -39,5 +39,6 @@
 out-*
 cmake-build-*
 build
+install
 
 CMakeUserPresets.json

CMakeLists.txt

@@ -1,85 +1,118 @@
 
-cmake_minimum_required(VERSION 3.22...3.25)
+cmake_minimum_required(VERSION 3.22...4.2)
 
-project(DynamicLoad LANGUAGES CXX)
+set(DYNLOAD_VERSION 0.3)
 
-set(DYNLOAD_DEVELOP OFF CACHE BOOL "Turn ON during library development to get proper compiler warnings and testing")
+project(DynamicLoad LANGUAGES CXX VERSION ${DYNLOAD_VERSION})
+
+set(DYNLOAD_DEVELOP ${PROJECT_IS_TOP_LEVEL} CACHE BOOL "Turn ON during library development to get proper compiler warnings and testing")
 set(DYNLOAD_USE_EXCEPTIONS ON CACHE BOOL "Standard C++ uses exceptions, thus, this is enabled by default. Turn off if no exceptions are allowed.")
 set(DYNLOAD_IMPORT ON CACHE BOOL "Set to true if needing importing part of DYNLOAD")
 set(DYNLOAD_EXPORT ON CACHE BOOL "Set to true if needing exporting part of DYNLOAD")
 set(DYNLOAD_COMPILE_PLATFORM ON CACHE BOOL "If true, dynl will be automatically compiled for the target platform. Set to false if custom backend is needed.")
 set(DYNLOAD_HEADERONLY OFF CACHE BOOL "Set to true to use dynload as a header-only library")
 
-add_library(dynl_compile_opts INTERFACE)
-add_library(dynl::compile_opts ALIAS dynl_compile_opts)
-target_compile_options(dynl_compile_opts INTERFACE ${DYNL_COMPILE_FLAGS})
-
-set(DYNLOAD_DEV_LINK dynl_compile_opts)
 if (DYNLOAD_DEVELOP)
-    set(CMAKE_CXX_STANDARD 11)
+    set(CMAKE_CXX_STANDARD 20)
     enable_testing()
     include(use_google_test.cmake)
     add_subdirectory(tests)
+
+    set(DYNLOAD_INTERNAL_COMPILE_OPTS ${DYNL_COMPILE_FLAGS})
 endif ()
 
-if (DYNLOAD_IMPORT)
-    add_library(dynl_headers INTERFACE)
-    add_library(dynl::dynl_headers ALIAS dynl_headers)
-    target_include_directories(dynl_headers INTERFACE
-            include
-    )
-    target_compile_features(dynl_headers INTERFACE cxx_std_20)
 
-    if (DYNLOAD_USE_EXCEPTIONS)
-    else ()
-        target_compile_definitions(dynl_shared PRIVATE
-                "DYNLOAD_NO_EXCEPTIONS=1"
-        )
-    endif ()
+if (DYNLOAD_HEADERONLY)
+    set(DYNLOAD_LIB_TYPE INTERFACE)
+    set(DYNLOAD_PUBLIC_LINK_TYPE INTERFACE)
+else ()
+    set(DYNLOAD_LIB_TYPE "")
+    set(DYNLOAD_PUBLIC_LINK_TYPE PUBLIC)
+endif ()
 
-    if (DYNLOAD_HEADERONLY)
-        set(DYNLOAD_LIB_TYPE INTERFACE)
-        set(DYNLOAD_PUBLIC_LINK_TYPE INTERFACE)
-    else ()
-        set(DYNLOAD_LIB_TYPE "")
-        set(DYNLOAD_PUBLIC_LINK_TYPE PUBLIC)
-    endif ()
+add_library(dynl)
+add_library(dynl::dynl ALIAS dynl)
+target_compile_options(dynl PUBLIC
+        ${DYNLOAD_INTERNAL_COMPILE_OPTS}
+)
+target_compile_features(dynl PUBLIC cxx_std_20)
+add_library(dynl_headers INTERFACE)
+add_library(dynl::dynl_headers ALIAS dynl_headers)
+target_compile_options(dynl INTERFACE
+        ${DYNLOAD_INTERNAL_COMPILE_OPTS}
+)
+target_compile_features(dynl_headers INTERFACE cxx_std_20)
 
-    add_library(dynl ${DYNLOAD_LIB_TYPE})
-    add_library(dynl::dynl ALIAS dynl)
-    target_link_libraries(dynl ${DYNLOAD_PUBLIC_LINK_TYPE}
-            dynl::dynl_headers
-            ${DYNLOAD_DEV_LINK}
+target_include_directories(dynl PUBLIC
+        $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
+        $<INSTALL_INTERFACE:include>
+)
+target_include_directories(dynl_headers INTERFACE
+        $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
+        $<INSTALL_INTERFACE:include>
+)
+if (NOT DYNLOAD_USE_EXCEPTIONS)
+    target_compile_definitions(dynl PUBLIC
+            "DYNLOAD_NO_EXCEPTIONS=1"
     )
-    if (DYNLOAD_COMPILE_PLATFORM)
-        if (WIN32)
-            set(DYNL_SRC src/dynl_win32.cpp)
-            set(DYNL_PLATFORM DYNL_WINDOWS=1)
-            set(DYNL_EXTRA_LINK "")
-        elseif (UNIX)
-            set(DYNL_SRC src/dynl_unix.cpp)
-            set(DYNL_PLATFORM DYNL_UNIX=1)
-            set(DYNL_EXTRA_LINK dl)
-        else ()
-            message(SEND_ERROR "Dynload: no automatic backend available! Use custom defined source file")
-        endif ()
-    else ()
-        message(STATUS "Dynload: no automatic backend. Custom defined source-file(-s) for 'dynl' required")
-        set(DYNL_SRC "")
-        set(DYNL_PLATFORM "")
-    endif ()
-    if (DYNLOAD_HEADERONLY)
-        target_compile_definitions(dynl INTERFACE DYNLOAD_HEADERONLY=1 ${DYNL_PLATFORM})
-        target_link_libraries(dynl INTERFACE ${DYNL_EXTRA_LINK})
+    target_compile_definitions(dynl_headers INTERFACE
+            "DYNLOAD_NO_EXCEPTIONS=1"
+    )
+endif ()
+if (DYNLOAD_COMPILE_PLATFORM)
+    if (WIN32)
+        set(DYNL_SRC src/dynl_win32.cpp)
+        set(DYNL_PLATFORM DYNL_WINDOWS=1)
+        set(DYNL_EXTRA_LINK "")
+    elseif (UNIX)
+        set(DYNL_SRC src/dynl_unix.cpp)
+        set(DYNL_PLATFORM DYNL_UNIX=1)
+        set(DYNL_EXTRA_LINK dl)
     else ()
-        target_sources(dynl PRIVATE ${DYNL_SRC})
-        target_link_libraries(dynl PRIVATE ${DYNL_EXTRA_LINK})
+        message(SEND_ERROR "Dynload: no automatic backend available! Use custom defined source file")
     endif ()
+else ()
+    message(STATUS "Dynload: no automatic backend. Custom defined source-file(-s) for 'dynl' required")
+    set(DYNL_SRC "")
+    set(DYNL_PLATFORM "")
 endif ()
-if (DYNLOAD_EXPORT)
-    add_library(dynl_export INTERFACE)
-    add_library(dynl::dynl_export ALIAS dynl_export)
-    target_include_directories(dynl_export INTERFACE
-            export_include
-    )
-endif ()
+target_compile_definitions(dynl_headers INTERFACE DYNLOAD_HEADERONLY=1 ${DYNL_PLATFORM})
+target_link_libraries(dynl_headers INTERFACE ${DYNL_EXTRA_LINK})
+
+target_sources(dynl PRIVATE ${DYNL_SRC})
+target_link_libraries(dynl PRIVATE ${DYNL_EXTRA_LINK})
+
+add_library(dynl_export INTERFACE)
+add_library(dynl::dynl_export ALIAS dynl_export)
+target_include_directories(dynl_export INTERFACE
+        $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
+        $<INSTALL_INTERFACE:include>
+)
+
+include(CMakePackageConfigHelpers)
+write_basic_package_version_file(
+        "${PROJECT_BINARY_DIR}/DynloadConfigVersion.cmake"
+        VERSION ${DYNLOAD_VERSION}
+        COMPATIBILITY AnyNewerVersion
+)
+configure_package_config_file(
+        "${PROJECT_SOURCE_DIR}/cmake/DynloadConfig.cmake.in"
+        "${PROJECT_BINARY_DIR}/DynloadConfig.cmake"
+        INSTALL_DESTINATION lib/cmake/Dynload
+)
+
+install(TARGETS dynl dynl_headers dynl_export
+        EXPORT dynlTargets
+        LIBRARY DESTINATION lib COMPONENT Runtime
+        ARCHIVE DESTINATION lib COMPONENT Development
+        RUNTIME DESTINATION bin COMPONENT Runtime
+        PUBLIC_HEADER DESTINATION include COMPONENT Development
+        BUNDLE DESTINATION bin COMPONENT Runtime
+)
+
+install(EXPORT dynlTargets DESTINATION lib/cmake/Dynload)
+install(FILES "${PROJECT_BINARY_DIR}/DynloadConfigVersion.cmake"
+        "${PROJECT_BINARY_DIR}/DynloadConfig.cmake"
+        DESTINATION lib/cmake/Dynload)
+install(DIRECTORY ${PROJECT_SOURCE_DIR}/include/ DESTINATION include)
+

cmake/DynloadConfig.cmake.in

@@ -0,0 +1,4 @@
+@PACKAGE_INIT@
+
+include("${CMAKE_CURRENT_LIST_DIR}/dynlTargets.cmake")
+check_required_components("@PROJECT_NAME@")

use_google_test.cmake

@@ -1,10 +1,11 @@
 
 include(FetchContent)
 
-set(DYNLOAD_GTEST_VERSION "v1.14.0")
+set(DYNLOAD_GTEST_VERSION "v1.17.0")
 
 FetchContent_Declare(
         googletest
+        SYSTEM
         URL https://github.com/google/googletest/archive/refs/tags/${DYNLOAD_GTEST_VERSION}.zip
 )
 # For Windows: Prevent overriding the parent project's compiler/linker settings