##======================================================================================================================
##  ROTGEN - Runtime Overlay for Eigen
##  Copyright : CODE RECKONS
##  SPDX-License-Identifier: BSL-1.0
##======================================================================================================================
cmake_minimum_required(VERSION 3.22)
enable_testing()

##======================================================================================================================
## Setup project
##======================================================================================================================
set(ROTGEN_MAJOR_VERSION 0)
set(ROTGEN_MINOR_VERSION 0)
set(ROTGEN_PATCH_VERSION 1)
set(ROTGEN_VERSION ${ROTGEN_MAJOR_VERSION}.${ROTGEN_MINOR_VERSION}.${ROTGEN_PATCH_VERSION})

set(PROJECT_VERSION   ${ROTGEN_VERSION})
project(ROTGEN VERSION ${PROJECT_VERSION} DESCRIPTION "Runtime Overlay for Eigen" LANGUAGES CXX)
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${ROTGEN_SOURCE_DIR}/cmake )

##======================================================================================================================
## Prevent in-source build
##======================================================================================================================
if (${PROJECT_SOURCE_DIR} STREQUAL ${PROJECT_BINARY_DIR})
  message(FATAL_ERROR "[${PROJECT_NAME}]: In-source build is not supported")
endif()

##======================================================================================================================
## Sources & Public Headers lists
##======================================================================================================================
set ( SOURCES
      src/matrix_impl64.cpp
    )

##======================================================================================================================
## Setup the library's dependencies
##======================================================================================================================
find_package (Eigen3 3.4 REQUIRED NO_MODULE)

##======================================================================================================================
## Setup the library's build
##======================================================================================================================
add_library(rotgen SHARED ${SOURCES})
set_target_properties(rotgen PROPERTIES VERSION       ${PROJECT_VERSION})
set_target_properties(rotgen PROPERTIES SOVERSION     ${PROJECT_VERSION_MAJOR})

target_compile_features(rotgen INTERFACE cxx_std_17)
set_target_properties(rotgen PROPERTIES EXPORT_NAME rotgen)
add_library(rotgen::rotgen ALIAS rotgen)

target_include_directories(rotgen PUBLIC
    $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
    $<INSTALL_INTERFACE:include>
)

target_link_libraries (rotgen PRIVATE Eigen3::Eigen)

##======================================================================================================================
## Setup the library's installation target
##======================================================================================================================
include(${ROTGEN_SOURCE_DIR}/cmake/config/rotgen-install.cmake)

##======================================================================================================================
## Setup the library's Tests
##======================================================================================================================
add_subdirectory(test)