153 lines
4.6 KiB
CMake
153 lines
4.6 KiB
CMake
# Feynman -- Wayland compositor for GNU Emacs
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#
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# Copyright (c) 2022 Sameer Rahmani <lxsameer@gnu.org>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, version 2.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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cmake_minimum_required(VERSION 3.19)
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# Project name and a few useful settings. Other commands can pick up the results
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project(Feynman
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VERSION 0.0.0
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DESCRIPTION "Wayland compositor for GNU Emacs"
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LANGUAGES C)
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# Clangd command file
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set(CMAKE_EXPORT_COMPILE_COMMANDS 1)
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# Policies ==========================
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cmake_policy(SET CMP0116 OLD)
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# User Options ======================
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option(FEYNMAN_ENABLE_BUILDID "Enable build id." OFF)
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option(FEYNMAN_ENABLE_TIDY "Enable clang tidy check" OFF)
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option(FEYNMAN_DISABLE_CCACHE "Disable automatic ccache integration" OFF)
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set(FEYNMAN_EMACS_DIR "" CACHE PATH "PATH to the Emacs build directory")
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# Only do these if this is the main project, and not if it is included through add_subdirectory
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if(CMAKE_PROJECT_NAME STREQUAL PROJECT_NAME)
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## Settings =======================
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set(CMAKE_C_STANDARD 11)
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set(CMAKE_C_STANDARD_REQUIRED True)
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# Setup the source locations
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set(INCLUDE_DIR ${CMAKE_SOURCE_DIR}/src/)
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#configure_file(${INCLUDE_DIR}/config.h.in src/config.h)
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if(FEYNMAN_ENABLE_TIDY)
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find_program(CLANG_TIDY_PATH NAMES clang-tidy REQUIRED)
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endif()
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find_program(iwyu NAMES include-what-you-use iwyu REQUIRED)
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set(iwyu_path ${iwyu})
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find_package(PkgConfig REQUIRED)
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set(MemoryCheckCommand "valgrind")
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# Let's nicely support folders in IDEs
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set_property(GLOBAL PROPERTY USE_FOLDERS ON)
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# Setup the basic compiler flags
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add_compile_options(
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-Wall
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-Wextra
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-Werror
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-fno-rtti
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# Dedicate a section to each function, so the linker
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# can do a better job on dead code elimination
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-ffunction-sections
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-fdata-sections
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$<$<CONFIG:DEBUG>:-g3>
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$<$<CONFIG:DEBUG>:-O1>
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$<$<CONFIG:DEBUG>:-ggdb>
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# For the sake of debugging
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$<$<CONFIG:DEBUG>:-fno-inline>
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# To make the local ccache happy
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$<$<CONFIG:DEBUG>:-fdebug-prefix-map=${PROJECT_SOURCE_DIR}=.>
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# No tail call elimination on Debug to let asan provide
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# better stacktrackes
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$<$<CONFIG:DEBUG>:-fno-optimize-sibling-calls>
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$<$<CONFIG:DEBUG>:-fno-omit-frame-pointer>
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$<$<CONFIG:RELEASE>:-fomit-frame-pointer>
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$<$<CONFIG:RELEASE>:-O3>
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$<$<CONFIG:RELEASE>:-fmerge-all-constants>
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)
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add_link_options(
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# We enforce the lld linker
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-fuse-ld=lld
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-Wl,-gc-sections
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$<$<CONFIG:RELEASE>:-s>
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# Do not link against shared libraries
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#--static
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)
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if(FEYNMAN_ENABLE_BUILDID)
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add_link_options(-Wl,--build-id)
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endif()
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include(GNUInstallDirs)
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Include(FetchContent)
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# CCache support ==============================
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if(FEYNMAN_DISABLE_CCACHE)
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message(STATUS "CCache support is disabled")
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else()
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find_program(CCACHE_PROGRAM ccache)
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if(CCACHE_PROGRAM)
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message(STATUS "Found CCache")
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set(FEYNMAN_CCACHE_MAXSIZE "" CACHE STRING "Size of ccache")
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set(FEYNMAN_CCACHE_DIR "" CACHE STRING "Directory to keep ccached data")
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set(FEYNMAN_CCACHE_PARAMS "CCACHE_CPP2=yes CCACHE_HASHDIR=yes"
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CACHE STRING "Parameters to pass through to ccache")
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set(CCACHE_PROGRAM "${FEYNMAN_CCACHE_PARAMS} ${CCACHE_PROGRAM}")
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if (FEYNMAN_CCACHE_MAXSIZE)
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set(CCACHE_PROGRAM "CCACHE_MAXSIZE=${FEYNMAN_CCACHE_MAXSIZE} ${CCACHE_PROGRAM}")
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endif()
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if (FEYNMAN_CCACHE_DIR)
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set(CCACHE_PROGRAM "CCACHE_DIR=${FEYNMAN_CCACHE_DIR} ${CCACHE_PROGRAM}")
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endif()
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message(STATUS "Using CCACHE: ${CCACHE_PROGRAM}")
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set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE ${CCACHE_PROGRAM})
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else()
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message(FATAL_ERROR "Unable to find the program ccache. Set FEYNMAN_DISABLE_CCACHE to ON")
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endif()
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endif()
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# Feynman Setup ===================================
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include_directories(SYSTEM ${PROJECT_BINARY_DIR}/src)
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include_directories(SYSTEM ${FEYNMAN_EMACS_DIR}/inculde)
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# Hide all the symbols by default
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if(NOT DEFINED CMAKE_CXX_VISIBILITY_PRESET AND
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NOT DEFINED CMAKE_VISIBILITY_INLINES_HIDDEN)
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set(CMAKE_C_VISIBILITY_PRESET hidden)
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set(CMAKE_VISIBILITY_INLINES_HIDDEN YES)
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endif()
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add_subdirectory(src)
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endif()
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