cmake: rework library

Author: Mizux

Foo/CMakeLists.txt

@@ -1,33 +1,14 @@
-add_library(Foo)
-target_sources(Foo
-  PRIVATE
+add_cxx_library(
+  NAME
+    Foo
+  HEADERS
     include/foo/Foo.hpp
-    src/Foo.cpp)
-target_include_directories(Foo
-  PUBLIC
-    $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
-    $<INSTALL_INTERFACE:include>)
-target_compile_features(Foo PUBLIC cxx_std_20)
-set_target_properties(Foo PROPERTIES
-  VERSION ${PROJECT_VERSION}
-  POSITION_INDEPENDENT_CODE ON
-  PUBLIC_HEADER include/foo/Foo.hpp)
-if(APPLE)
-  set_target_properties(Foo PROPERTIES INSTALL_RPATH "@loader_path")
-elseif(UNIX)
-  set_target_properties(Foo PROPERTIES INSTALL_RPATH "$ORIGIN")
-endif()
-target_link_libraries(Foo PRIVATE absl::log)
-add_library(${PROJECT_NAMESPACE}::Foo ALIAS Foo)
+  SOURCES
+    src/Foo.cpp
+  LINK_LIBRARIES
+    absl::log
+  INSTALL_DIR
+    foo
+)
 
 add_subdirectory(tests)
-
-# Install
-include(GNUInstallDirs)
-install(TARGETS Foo
-  EXPORT ${PROJECT_NAME}Targets
-  PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/foo
-  ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
-  LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
-  #RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
-)

FooBar/CMakeLists.txt

@@ -1,34 +1,14 @@
-add_library(FooBar)
-target_sources(FooBar
-  PRIVATE
+add_cxx_library(
+  NAME
+    FooBar
+  HEADERS
     include/foobar/FooBar.hpp
-    src/FooBar.cpp)
-target_include_directories(FooBar
-  PUBLIC
-    $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
-    $<INSTALL_INTERFACE:include>)
-target_compile_features(FooBar PUBLIC cxx_std_20)
-set_target_properties(FooBar PROPERTIES
-  VERSION ${PROJECT_VERSION}
-  POSITION_INDEPENDENT_CODE ON
-  PUBLIC_HEADER include/foobar/FooBar.hpp)
-# note: macOS is APPLE and also UNIX !
-if(APPLE)
-  set_target_properties(FooBar PROPERTIES INSTALL_RPATH "@loader_path")
-elseif(UNIX)
-  set_target_properties(FooBar PROPERTIES INSTALL_RPATH "$ORIGIN")
-endif()
-target_link_libraries(FooBar PUBLIC absl::log Bar Foo)
-add_library(${PROJECT_NAMESPACE}::FooBar ALIAS FooBar)
+  SOURCES
+    src/FooBar.cpp
+  LINK_LIBRARIES
+    absl::log Bar Foo
+  INSTALL_DIR
+    foobar
+)
 
 add_subdirectory(tests)
-
-# Install
-include(GNUInstallDirs)
-install(TARGETS FooBar
-  EXPORT ${PROJECT_NAME}Targets
-  PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/foobar
-  ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
-  LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
-  #RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
-  )

cmake/cpp.cmake

@@ -172,7 +172,7 @@ function(add_cxx_library)
   else()
     target_include_directories(${LIBRARY_NAME} PUBLIC
       $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
-      $<INSTALL_INTERFACE:include>)
+      $<INSTALL_INTERFACE:include>
     )
     target_sources(${LIBRARY_NAME} PRIVATE
       ${LIBRARY_HEADERS}