# Copyright (c) Microsoft Corporation.
# Licensed under the MIT License.

cmake_minimum_required (VERSION 3.21)

if(DEFINED DIRECTXMATH_VERSION)
   set(XDSP_VERSION ${DIRECTXMATH_VERSION})
else()
   set(XDSP_VERSION 3.0.0)
endif()

project(XDSP
  VERSION ${XDSP_VERSION}
  DESCRIPTION "XDSP Digital Signal Processing (DSP) for DirectXMath"
  HOMEPAGE_URL "https://go.microsoft.com/fwlink/?LinkID=615560"
  LANGUAGES CXX)

if(PROJECT_IS_TOP_LEVEL)
  message(FATAL_ERROR "XSDP should be built by the main CMakeLists using BUILD_XDSP")
endif()

#--- Library
set(LIBRARY_HEADERS XDSP.h)

add_library(${PROJECT_NAME} INTERFACE)

target_include_directories(${PROJECT_NAME} INTERFACE
  $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>
  $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>)

target_compile_features(${PROJECT_NAME} INTERFACE cxx_std_11)

#--- Package
include(CMakePackageConfigHelpers)

string(TOLOWER ${PROJECT_NAME} PACKAGE_NAME)
cmake_path(GET CMAKE_CURRENT_LIST_DIR PARENT_PATH DIRECTXMATH_PATH)

write_basic_package_version_file(
  ${PACKAGE_NAME}-config-version.cmake
  VERSION ${XDSP_VERSION}
  COMPATIBILITY AnyNewerVersion
  ARCH_INDEPENDENT)

install(TARGETS ${PROJECT_NAME}
  EXPORT ${PROJECT_NAME}-targets
  ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
  LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
  RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})

configure_package_config_file(${DIRECTXMATH_PATH}/build/DirectXMath-config.cmake.in
  ${CMAKE_CURRENT_BINARY_DIR}/${PACKAGE_NAME}-config.cmake
  INSTALL_DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/${PACKAGE_NAME})

install(EXPORT ${PROJECT_NAME}-targets
  FILE ${PROJECT_NAME}-targets.cmake
  NAMESPACE Microsoft::
  DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/${PACKAGE_NAME})

install(FILES ${LIBRARY_HEADERS}
  DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})

install(FILES
    ${CMAKE_CURRENT_BINARY_DIR}/${PACKAGE_NAME}-config.cmake
    ${CMAKE_CURRENT_BINARY_DIR}/${PACKAGE_NAME}-config-version.cmake
  DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/${PACKAGE_NAME})