ref: 761c775043d22718811297147f5bd75c6118d84e
dir: /CMakeLists.txt/
#
# This file is part of RGBDS.
#
# Copyright (c) 2020 RGBDS contributors.
#
# SPDX-License-Identifier: MIT
#
cmake_minimum_required(VERSION 3.0)
cmake_policy(VERSION 3.0)
project(rgbds
LANGUAGES C)
# get real path of source and binary directories
get_filename_component(srcdir "${CMAKE_SOURCE_DIR}" REALPATH)
get_filename_component(bindir "${CMAKE_BINARY_DIR}" REALPATH)
# reject in-source builds, may conflict with Makefile
if(srcdir STREQUAL bindir)
message("RGBDS should not be built in the source directory.")
message("Instead, create a separate build directory and specify to CMake the path to the source directory.")
message(FATAL_ERROR "Terminating configuration")
endif()
include_directories("${PROJECT_SOURCE_DIR}/include")
option(SANITIZERS "Build with sanitizers enabled" OFF)
option(MORE_WARNINGS "Turn on more warnings" OFF)
if(MSVC)
add_compile_options(/W1 /MP)
add_definitions(/D_CRT_SECURE_NO_WARNINGS)
else()
add_compile_options(-Wall -pedantic)
if(SANITIZERS)
set(SAN_FLAGS -fsanitize=shift -fsanitize=integer-divide-by-zero
-fsanitize=unreachable -fsanitize=vla-bound
-fsanitize=signed-integer-overflow -fsanitize=bounds
-fsanitize=object-size -fsanitize=bool -fsanitize=enum
-fsanitize=alignment -fsanitize=null)
add_compile_options(${SAN_FLAGS})
link_libraries(${SAN_FLAGS})
endif()
if(MORE_WARNINGS)
add_compile_options(-Werror -Wextra -Wno-type-limits
-Wno-sign-compare -Wformat -Wformat-security -Wformat-overflow=2
-Wformat-truncation=1 -Wformat-y2k -Wswitch-enum -Wunused
-Wuninitialized -Wunknown-pragmas -Wstrict-overflow=5
-Wstringop-overflow=4 -Walloc-zero -Wduplicated-cond
-Wfloat-equal -Wshadow -Wcast-qual -Wcast-align -Wlogical-op
-Wnested-externs -Wno-aggressive-loop-optimizations -Winline
-Wundef -Wstrict-prototypes -Wold-style-definition)
endif()
endif()
# Use versioning consistent with Makefile
# the git revision is used but uses the fallback in an archive
execute_process(COMMAND git describe --tags --dirty --always
OUTPUT_VARIABLE GIT_REV
ERROR_QUIET)
string(STRIP "${GIT_REV}" GIT_REV)
add_definitions(-DBUILD_VERSION_STRING="${GIT_REV}")
set(CMAKE_C_STANDARD 11)
set(CMAKE_C_STANDARD_REQUIRED True)
add_subdirectory(src)