cmake_minimum_required(VERSION 3.15.2)
# 设置项目名称与语言
project(GCTL_SEISMIC VERSION 1.0)
# 添加配置配件编写的函数
include(CMakePackageConfigHelpers)

# 添加编译选项
option(GCTL_SEISMIC_MATHGL "Use the mathGL library" OFF)

message(STATUS "Platform: " ${CMAKE_HOST_SYSTEM_NAME})
message(STATUS "Install prefix: " ${CMAKE_INSTALL_PREFIX})
message(STATUS "Processor: " ${CMAKE_HOST_SYSTEM_PROCESSOR})
message(STATUS "[GCTL_SEISMIC] Use the mathGL library: " ${GCTL_SEISMIC_MATHGL})

find_package(GCTL REQUIRED)
message(STATUS "GCTL Version: " ${GCTL_VERSION})
if(${GCTL_VERSION} LESS 1.0)
    message(FATAL_ERROR "GCTL's version must be v1.0 or bigger.")
endif()

if(GCTL_SEISMIC_MATHGL)
    find_package(MathGL2 REQUIRED FLTK)
    message(STATUS "mathGL Version: " ${MathGL2_VERSION})
    include_directories(${MathGL2_INCLUDE_DIRS})
endif()

# 加入一个头文件配置，让cmake对源码进行操作
configure_file(
	"${PROJECT_SOURCE_DIR}/config.h.in"
	"${PROJECT_SOURCE_DIR}/lib/seismic/gctl_seismic_config.h"
	)

# 添加库源文件地址
add_subdirectory(lib)
add_subdirectory(exam)