# cmake configuration

cmake_minimum_required(VERSION 3.1.0 FATAL_ERROR)
cmake_policy(VERSION 3.1.0)

# project

project(solvespace)

# common compiler flags

if(MINGW)
    set(CMAKE_C_FLAGS   "${CMAKE_C_FLAGS} -static-libgcc")
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -static-libgcc -static-libstdc++")
endif()

if(APPLE OR CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++")
endif()

# solvespace-only compiler flags

if(WIN32)
    add_definitions(
        -D_CRT_SECURE_NO_DEPRECATE
        -D_CRT_SECURE_NO_WARNINGS
        -D_SCL_SECURE_NO_WARNINGS
        -D_WIN32_WINNT=0x500
        -D_WIN32_IE=_WIN32_WINNT
        -DISOLATION_AWARE_ENABLED
        -DWIN32
        -DWIN32_LEAN_AND_MEAN
        -DUNICODE
        -D_UNICODE
        -DNOMINMAX
        -D_USE_MATH_DEFINES)
endif()

if(MSVC)
    # Many versions of MSVC do not have the (C99) inline keyword, instead
    # they have their own __inline; this breaks `static inline` functions.
    # We do not want to care and so we fix this with a definition.
    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /Dinline=__inline")
    # Same for the (C99) __func__ special variable; we use it only in C++ code.
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /D__func__=__FUNCTION__")

    # We rely on these /we flags. They correspond to the GNU-style flags below as
    # follows: /w4062=-Wswitch
    set(WARNING_FLAGS   "${WARNING_FLAGS} /we4062")
endif()

if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU" OR CMAKE_CXX_COMPILER_ID MATCHES "Clang")
    set(WARNING_FLAGS   "-Wall -Wextra -Wno-unused-parameter")
    if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
        set(WARNING_FLAGS "${WARNING_FLAGS} -Wfloat-conversion")
    endif()
    # We rely on these -Werror flags.
    set(WARNING_FLAGS   "${WARNING_FLAGS} -Werror=switch")
endif()

set(CMAKE_C_FLAGS   "${CMAKE_C_FLAGS} ${WARNING_FLAGS}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${WARNING_FLAGS}")

# components

add_subdirectory(src)
add_subdirectory(exposed)