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Merge pull request aristocratos#589 from nobounce/cmake
Add CMake support for Linux
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# SPDX-License-Identifier: Apache-2.0 | ||
# | ||
# CMake configuration for btop | ||
# | ||
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cmake_minimum_required(VERSION 3.12) | ||
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# Disable in-source builds since they would override the Makefile | ||
if("${CMAKE_CURRENT_SOURCE_DIR}" STREQUAL "${CMAKE_CURRENT_BINARY_DIR}") | ||
message(FATAL_ERROR "In-source builds are not allowed") | ||
endif() | ||
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project("btop" | ||
VERSION 1.2.13 | ||
DESCRIPTION "A monitor of resources" | ||
HOMEPAGE_URL "https://github.com/aristocratos/btop" | ||
LANGUAGES CXX | ||
) | ||
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# Make custom modules available | ||
list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/Modules/") | ||
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# When the build type is not set we can't fortify | ||
if(NOT CMAKE_BUILD_TYPE) | ||
set(CMAKE_BUILD_TYPE Release) | ||
endif() | ||
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set(CMAKE_CXX_STANDARD 20) | ||
set(CMAKE_CXX_STANDARD_REQUIRED ON) | ||
set(CMAKE_CXX_EXTENSIONS OFF) | ||
set(CMAKE_COLOR_DIAGNOSTICS ON) | ||
set(CMAKE_EXPORT_COMPILE_COMMANDS ON) | ||
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# Options | ||
option(BTOP_STATIC "Link btop statically" OFF) | ||
option(BTOP_LTO "Enable LTO" ON) | ||
option(BTOP_USE_MOLD "Use mold to link btop" OFF) | ||
option(BTOP_PEDANTIC "Enable a bunch of additional warnings" OFF) | ||
option(BTOP_WERROR "Compile with warnings as errors" OFF) | ||
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if(BTOP_STATIC) | ||
# Set this before calling find_package | ||
set(CMAKE_FIND_LIBRARY_SUFFIXES ".a") | ||
endif() | ||
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if(CMAKE_SYSTEM_NAME STREQUAL "FreeBSD") | ||
find_package(devstat REQUIRED) | ||
find_package(kvm REQUIRED) | ||
if(BTOP_STATIC) | ||
find_package(elf REQUIRED) | ||
endif() | ||
endif() | ||
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include(CheckCXXCompilerFlag) | ||
include(CheckIPOSupported) | ||
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add_executable(btop | ||
src/btop.cpp | ||
src/btop_config.cpp | ||
src/btop_draw.cpp | ||
src/btop_input.cpp | ||
src/btop_menu.cpp | ||
src/btop_shared.cpp | ||
src/btop_theme.cpp | ||
src/btop_tools.cpp | ||
) | ||
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# NOTE: Checks can be simplified with CMake 3.25 | ||
if(CMAKE_SYSTEM_NAME STREQUAL "Darwin") | ||
target_sources(btop PRIVATE | ||
src/osx/btop_collect.cpp | ||
src/osx/sensors.cpp | ||
src/osx/smc.cpp | ||
) | ||
elseif(CMAKE_SYSTEM_NAME STREQUAL "FreeBSD") | ||
target_sources(btop PRIVATE src/freebsd/btop_collect.cpp) | ||
elseif(CMAKE_SYSTEM_NAME STREQUAL "Linux") | ||
target_sources(btop PRIVATE src/linux/btop_collect.cpp) | ||
else() | ||
message(FATAL_ERROR "${CMAKE_SYSTEM_NAME} is not supported") | ||
endif() | ||
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# Check for and enable LTO | ||
check_ipo_supported(RESULT ipo_supported) | ||
if(ipo_supported AND BTOP_LTO) | ||
set_target_properties(btop PROPERTIES INTERPROCEDURAL_OPTIMIZATION ON) | ||
endif() | ||
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# TODO: enable more warnings in coordination with upstream | ||
target_compile_options(btop PRIVATE | ||
-Wall -Wextra -Wpedantic | ||
-ftree-vectorize -fstack-clash-protection | ||
) | ||
if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang") | ||
target_compile_options(btop PRIVATE | ||
-Wheader-hygiene -Wgnu -Wthread-safety | ||
) | ||
endif() | ||
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if(BTOP_PEDANTIC) | ||
target_compile_options(btop PRIVATE | ||
-Wshadow -Wnon-virtual-dtor -Wold-style-cast -Wcast-align -Wunused | ||
-Woverloaded-virtual -Wconversion -Wsign-conversion -Wdouble-promotion | ||
-Wformat=2 -Wimplicit-fallthrough -Weffc++ | ||
) | ||
if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU") | ||
target_compile_options(btop PRIVATE | ||
-Wduplicated-cond -Wduplicated-branches -Wlogical-op -Wnull-dereference | ||
-Wuseless-cast | ||
) | ||
endif() | ||
endif() | ||
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if(BTOP_WERROR) | ||
target_compile_options(btop PRIVATE -Werror) | ||
endif() | ||
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check_cxx_compiler_flag(-fstack-protector CXX_HAS_FSTACK_PROTECTOR) | ||
if(CXX_HAS_FSTACK_PROTECTOR) | ||
target_compile_options(btop PRIVATE -fstack-protector) | ||
endif() | ||
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check_cxx_compiler_flag(-fcf-protection CXX_HAS_FCF_PROTECTION) | ||
if(CXX_HAS_FCF_PROTECTION) | ||
target_compile_options(btop PRIVATE -fcf-protection) | ||
endif() | ||
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target_compile_definitions(btop PRIVATE | ||
_FILE_OFFSET_BITS=64 | ||
_GLIBCXX_ASSERTIONS _LIBCPP_ENABLE_ASSERTIONS=1 | ||
# Only has an effect with optimizations enabled | ||
$<$<NOT:$<CONFIG:Debug>>:_FORTIFY_SOURCE=2> | ||
) | ||
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target_include_directories(btop SYSTEM PRIVATE include) | ||
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# mold | ||
if(BTOP_USE_MOLD) | ||
target_link_options(btop PRIVATE -fuse-ld=mold) | ||
endif() | ||
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if(BTOP_STATIC) | ||
target_compile_definitions(btop PRIVATE STATIC_BUILD) | ||
target_link_options(btop PRIVATE -static LINKER:--fatal-warnings) | ||
endif() | ||
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# Add libraries | ||
set(THREADS_PREFER_PTHREAD_FLAG ON) | ||
find_package(Threads REQUIRED) | ||
target_link_libraries(btop PRIVATE Threads::Threads) | ||
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if(CMAKE_SYSTEM_NAME STREQUAL "Darwin") | ||
target_link_libraries(btop PRIVATE $<LINK_LIBRARY:FRAMEWORK,CoreFoundation) | ||
target_link_libraries(btop PRIVATE $<LINK_LIBRARY:FRAMEWORK,IOKit) | ||
elseif(CMAKE_SYSTEM_NAME STREQUAL "FreeBSD") | ||
target_link_libraries(btop PRIVATE devstat::devstat kvm::kvm) | ||
if(BTOP_STATIC) | ||
target_link_libraries(btop PRIVATE elf::elf) | ||
endif() | ||
endif() | ||
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install(TARGETS btop RUNTIME) | ||
install(FILES "btop.desktop" DESTINATION "share/applications") | ||
install(FILES "Img/icon.png" DESTINATION "share/icons/hicolor/48x48/apps" RENAME "btop.png") | ||
install(FILES "Img/icon.svg" DESTINATION "share/icons/hicolor/scalable/apps" RENAME "btop.svg") | ||
install(DIRECTORY "themes" DESTINATION "share/btop") | ||
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