ref: 50d6403c72b5e177dffd47e0d09350e0fa7126e5
dir: /CMakeLists.txt/
# # This file is part of RGBDS. # # Copyright (c) 2020 RGBDS contributors. # # SPDX-License-Identifier: MIT # # 3.9 required for LTO checks cmake_minimum_required(VERSION 3.9 FATAL_ERROR) 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() option(SANITIZERS "Build with sanitizers enabled" OFF) # Ignored on MSVC option(MORE_WARNINGS "Turn on more warnings" OFF) # Ignored on MSVC option(TRACE_PARSER "Trace parser execution" OFF) option(TRACE_LEXER "Trace lexer execution" OFF) if(MSVC) # MSVC's standard library triggers warning C5105, # "macro expansion producing 'defined' has undefined behavior" add_compile_options(/std:c11 /W1 /MP /wd5105) add_definitions(/D_CRT_SECURE_NO_WARNINGS) else() add_compile_options(-Wall -pedantic) add_definitions(-D_POSIX_C_SOURCE=200809L -D_ISOC11_SOURCE) 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 -fsanitize=address) add_compile_options(${SAN_FLAGS}) link_libraries(${SAN_FLAGS}) endif() if(MORE_WARNINGS) add_compile_options(-Werror -Wextra -Wno-type-limits -Wno-sign-compare -Wvla -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 "${GIT_REV}" GIT_REV) include_directories("${PROJECT_SOURCE_DIR}/include") add_definitions(-DBUILD_VERSION_STRING="${GIT_REV}") set(CMAKE_C_STANDARD 11) set(CMAKE_C_STANDARD_REQUIRED True) add_subdirectory(src) # By default, build in Release mode; Debug mode must be explicitly requested # (You may want to augment it with the options above) if(CMAKE_BUILD_TYPE STREQUAL "Release") message(CHECK_START "Checking if LTO is supported") include(CheckIPOSupported) check_ipo_supported(RESULT enable_lto) if(enable_lto) message(CHECK_PASS "yes") set_property(TARGET rgbasm rgblink rgbfix rgbgfx PROPERTY INTERPROCEDURAL_OPTIMIZATION ON) else() message(CHECK_FAIL "no") endif() endif() if(TRACE_PARSER) target_compile_definitions(rgbasm PRIVATE -DYYDEBUG) endif() if(TRACE_LEXER) target_compile_definitions(rgbasm PRIVATE -DLEXER_DEBUG) endif()