Merge branch 'release-v0.2.3'

CMakeLists.txt

@@ -1,40 +1,59 @@
 cmake_minimum_required(VERSION 3.10)
-project(kseq++ VERSION 0.2.2 LANGUAGES CXX)
+project(kseq++ VERSION 0.2.3 LANGUAGES CXX)
+
+# Include external modules
+include(GNUInstallDirs)
+include(CMakePackageConfigHelpers)
 
 # Finding dependencies.
 find_package(ZLIB REQUIRED)
 find_package(BZip2 REQUIRED)
 find_package(Threads REQUIRED)
 
-# Force CMake to use `-I` instead of `-isystem`
-set(CMAKE_NO_SYSTEM_FROM_IMPORTED TRUE)
-
-# Defining the configure header file
-configure_file(include/kseq++/config.hpp.in ${PROJECT_SOURCE_DIR}/include/kseq++/config.hpp @ONLY)
-# Setting header files
-file(GLOB HEADER_FILES "${PROJECT_SOURCE_DIR}/include/kseq++/*.h")
 # Creating an INTERFACE library
 add_library(kseq++ INTERFACE)
-# Defining target sources
-target_sources(kseq++ INTERFACE "$<BUILD_INTERFACE:${HEADER_FILES}>")
 # Defining include directories
 target_include_directories(kseq++
-  INTERFACE $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include>
-  SYSTEM INTERFACE $<INSTALL_INTERFACE:$<INSTALL_PREFIX>/include>
-  INTERFACE ZLIB::ZLIB
-  INTERFACE BZip2::BZip2
-  INTERFACE Threads::Threads)
+  INTERFACE $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include>;$<INSTALL_INTERFACE:$<INSTALL_PREFIX>/${CMAKE_INSTALL_INCLUDEDIR}>
+  INTERFACE $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/ZLIB::ZLIB>;$<INSTALL_INTERFACE:ZLIB::ZLIB>
+  INTERFACE $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/BZip2::BZip2>;$<INSTALL_INTERFACE:BZip2::BZip2>
+  INTERFACE $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/Threads::Threads>;$<INSTALL_INTERFACE:Threads::Threads>)
 # Defining link libraries
 target_link_libraries(kseq++
-  INTERFACE ZLIB::ZLIB
-  INTERFACE BZip2::BZip2
-  INTERFACE Threads::Threads)
+  INTERFACE $<BUILD_INTERFACE:ZLIB::ZLIB>;$<INSTALL_INTERFACE:ZLIB::ZLIB>
+  INTERFACE $<BUILD_INTERFACE:BZip2::BZip2>;$<INSTALL_INTERFACE:BZip2::BZip2>
+  INTERFACE $<BUILD_INTERFACE:Threads::Threads>;$<INSTALL_INTERFACE:Threads::Threads>)
 # Use C++17
 target_compile_features(kseq++ INTERFACE cxx_std_11)
-# Defining `kseq++::kseq++` alias
-add_library(kseq++::kseq++ ALIAS kseq++)
+# Generating the configure header file
+configure_file(include/kseq++/config.hpp.in ${PROJECT_SOURCE_DIR}/include/kseq++/config.hpp @ONLY)
 # Generating pkgconfig file
 configure_file(kseq++.pc.in ${PROJECT_SOURCE_DIR}/kseq++.pc @ONLY)
+# Setting header files
+file(GLOB HEADER_FILES RELATIVE "${PROJECT_SOURCE_DIR}/include" "${PROJECT_SOURCE_DIR}/include/kseq++/*.h")
+list(TRANSFORM HEADER_FILES PREPEND "${PROJECT_SOURCE_DIR}/include/" OUTPUT_VARIABLE BUILD_HEADER_FILES)
+list(TRANSFORM HEADER_FILES PREPEND "${CMAKE_INSTALL_FULL_INCLUDEDIR}/" OUTPUT_VARIABLE INSTALL_HEADER_FILES)
+# Defining target sources
+target_sources(kseq++
+  INTERFACE "$<BUILD_INTERFACE:${BUILD_HEADER_FILES}>;$<INSTALL_INTERFACE:${INSTALL_HEADER_FILES}>")
+# Defining `kseq++::kseq++` alias
+add_library(kseq++::kseq++ ALIAS kseq++)
 # Install targets
-install(DIRECTORY include/kseq++ DESTINATION include PATTERN "*.hpp.in" EXCLUDE)
-install(FILES kseq++.pc DESTINATION lib/pkgconfig)
+install(DIRECTORY include/kseq++ DESTINATION ${CMAKE_INSTALL_INCLUDEDIR} PATTERN "*.hpp.in" EXCLUDE)
+install(FILES kseq++.pc DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
+# Exporting targets
+install(TARGETS kseq++ EXPORT kseq++-targets)
+install(EXPORT kseq++-targets NAMESPACE kseq++:: DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/kseq++)
+# Creating the package configuration file
+configure_package_config_file(${CMAKE_CURRENT_SOURCE_DIR}/cmake/kseq++-config.cmake.in
+  "${CMAKE_CURRENT_BINARY_DIR}/kseq++-config.cmake"
+  INSTALL_DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/kseq++)
+# Generating the version file for the configuration file
+write_basic_package_version_file(
+  "${CMAKE_CURRENT_BINARY_DIR}/kseq++-config-version.cmake"
+  VERSION "${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}.${PROJECT_VERSION_PATCH}"
+  COMPATIBILITY AnyNewerVersion)
+# Install generated configuration files
+install(FILES "${CMAKE_CURRENT_BINARY_DIR}/kseq++-config.cmake"
+  "${CMAKE_CURRENT_BINARY_DIR}/kseq++-config-version.cmake"
+  DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/kseq++)

cmake/kseq++-config.cmake.in

@@ -0,0 +1,15 @@
+@PACKAGE_INIT@
+
+include(CMakeFindDependencyMacro)
+find_dependency(ZLIB REQUIRED)
+find_dependency(BZip2 REQUIRED)
+find_dependency(Threads REQUIRED)
+
+if(NOT TARGET kseq++::kseq++)
+  include("${CMAKE_CURRENT_LIST_DIR}/kseq++-targets.cmake")
+endif()
+
+check_required_components(kseq++)
+
+include("${CMAKE_CURRENT_LIST_DIR}/kseq++-config-version.cmake")
+message(STATUS "Found kseq++ (version ${PACKAGE_VERSION})")