infra: add install script for cmake

CMakeLists.txt

@@ -21,6 +21,8 @@ if (NOT DEFINED PROJECT_NAME)
     set(TDL_ROOT_PROJECT TRUE)
 endif ()
 
+include (cmake/version.cmake)
+
 project (tdl LANGUAGES CXX VERSION "${TDL_PROJECT_VERSION}"
              DESCRIPTION "tdl -- tool description library")
 

cmake/install.cmake

@@ -0,0 +1,38 @@
+# -----------------------------------------------------------------------------------------------------
+# Copyright (c) 2006-2023, Knut Reinert & Freie Universität Berlin
+# Copyright (c) 2016-2023, Knut Reinert & MPI für molekulare Genetik
+# This file may be used, modified and/or redistributed under the terms of the 3-clause BSD-License
+# shipped with this file.
+# -----------------------------------------------------------------------------------------------------
+
+cmake_minimum_required (VERSION 3.12)
+
+include (${CMAKE_CURRENT_LIST_DIR}/version.cmake)
+include (GNUInstallDirs)
+
+if (yaml-cpp_FOUND)
+    set (TDL_INSTALL_TARGETS "")
+else ()
+    set (TDL_INSTALL_TARGETS "yaml-cpp")
+endif ()
+install (TARGETS tdl ${TDL_INSTALL_TARGETS}
+         EXPORT tdl_targets
+         RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
+         LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+         ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
+         FRAMEWORK DESTINATION ${CMAKE_INSTALL_LIBDIR})
+install (DIRECTORY "${CMAKE_CURRENT_LIST_DIR}/../src/tdl" TYPE INCLUDE)
+install (EXPORT tdl_targets
+         NAMESPACE tdl::
+         DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/tdl
+         FILE tdl-config.cmake)
+
+include (CMakePackageConfigHelpers)
+set (version_file "${CMAKE_CURRENT_BINARY_DIR}/cmake/tdl-config-version.cmake")
+write_basic_package_version_file (
+    ${version_file}
+    VERSION "${TDL_VERSION}"
+    COMPATIBILITY AnyNewerVersion)
+install (FILES ${version_file} DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/tdl)
+
+install (FILES "${CMAKE_CURRENT_LIST_DIR}/../LICENSE.md" "${CMAKE_CURRENT_LIST_DIR}/../README.md" TYPE DOC)

cmake/version.cmake

@@ -0,0 +1,8 @@
+# -----------------------------------------------------------------------------------------------------
+# Copyright (c) 2006-2023, Knut Reinert & Freie Universität Berlin
+# Copyright (c) 2016-2023, Knut Reinert & MPI für molekulare Genetik
+# This file may be used, modified and/or redistributed under the terms of the 3-clause BSD-License
+# shipped with this file.
+# -----------------------------------------------------------------------------------------------------
+
+set (TDL_VERSION "1.0.0")

tdl-config.cmake

@@ -7,32 +7,44 @@
 
 cmake_minimum_required (VERSION 3.12)
 if (TARGET tdl)
-    return()
-endif()
+    return ()
+endif ()
 
-find_package (yaml-cpp QUIET)
+option (INSTALL_TDL "Enable installation of TDL. (Projects embedding TDL may want to turn this OFF.)" ON)
 
+find_package (yaml-cpp QUIET)
 if (NOT yaml-cpp_FOUND)
-    message (STATUS "Fetching yaml-cpp")
+    if (NOT ${CMAKE_FIND_PACKAGE_NAME}_FIND_QUIETLY)
+        message (STATUS "Fetching yaml-cpp")
+    endif ()
 
     include (FetchContent)
     FetchContent_Declare (
         yaml-cpp_fetch_content
         GIT_REPOSITORY "https://github.com/jbeder/yaml-cpp.git"
-        GIT_TAG "35b4498026b6293bfadc75f9ee325cb16d6975af") # 0.7.0 can't be properly installed
+        # !WORKAROUND git tag 0.7.0 can't be properly installed
+        GIT_TAG "35b4498026b6293bfadc75f9ee325cb16d6975af")
     option (YAML_CPP_BUILD_CONTRIB "" OFF)
     option (YAML_CPP_BUILD_TOOLS "" OFF)
     option (YAML_BUILD_SHARED_LIBS "" OFF)
-    option (YAML_CPP_INSTALL "" ON)
+    option (YAML_CPP_INSTALL "" ${INSTALL_TDL})
+    option (YAML_CPP_BUILD_TESTS "" OFF)
     set_property (GLOBAL PROPERTY CTEST_TARGETS_ADDED 1)
     FetchContent_MakeAvailable (yaml-cpp_fetch_content)
 else ()
-    message (STATUS "Found yaml-cpp ${yaml-cpp_VERSION}")
+    if (NOT ${CMAKE_FIND_PACKAGE_NAME}_FIND_QUIETLY)
+        message (STATUS "Found yaml-cpp")
+    endif ()
 endif ()
 
-add_library(tdl INTERFACE)
-target_include_directories(tdl INTERFACE
-    $<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/src>
-    $<INSTALL_INTERFACE:include>)
-target_link_libraries(tdl INTERFACE yaml-cpp)
+add_library (tdl INTERFACE)
+target_include_directories (tdl INTERFACE
+    "$<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/src>"
+    "$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>")
+# !WORKAROUND yaml-cpp::yaml-cpp does not work for 0.7.0 if installed on system
+target_link_libraries (tdl INTERFACE yaml-cpp)
 add_library (tdl::tdl ALIAS tdl)
+
+if (INSTALL_TDL)
+    include (${CMAKE_CURRENT_LIST_DIR}/cmake/install.cmake)
+endif ()