🔧 Use cmake to build btop

btop/CMakeLists.txt

@@ -0,0 +1,103 @@
+cmake_minimum_required (VERSION 3.18)
+
+file(STRINGS "src/btop.cpp" BTOP_VERSION_LINE REGEX "Version[ \\t\\r\\n]*=[ \\t\\r\\n]*\"[^\"]+\"")
+string(REGEX REPLACE "^.*Version[ \\t\\r\\n]*=[ \\t\\r\\n]*\"([^\"]+)\".*$" "\\1" BTOP_VERSION "${BTOP_VERSION_LINE}")
+
+message(STATUS "btop version: ${BTOP_VERSION}")
+
+project("btop" 
+	VERSION ${BTOP_VERSION} 
+	DESCRIPTION "Resource monitor that shows usage and stats for processor, memory, disks, network and processes."
+	HOMEPAGE_URL "https://github.com/aristocratos/btop"
+	LANGUAGES CXX)
+
+if(CMAKE_SYSTEM_NAME STREQUAL "Linux")
+	set(PLATFORM_SRCS_GLOB "src/linux/*.cpp")
+elseif(CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")
+	set(PLATFORM_SRCS_GLOB "src/freebsd/*.cpp")
+elseif(APPLE)
+	set(PLATFORM_SRCS_GLOB "src/osx/*.cpp")
+else()
+	message(FATAL_ERROR "Unsupported System: ${CMAKE_SYSTEM_NAME}")
+endif()
+
+file(GLOB SRCS CONFIGURE_DEPENDS "src/*.cpp" CONFIGURE_DEPENDS "${PLATFORM_SRCS_GLOB}")
+
+add_executable(btop ${SRCS})
+
+target_include_directories(btop PRIVATE include src)
+target_compile_features(btop PUBLIC cxx_std_20)
+
+set(THREADS_PREFER_PTHREAD_FLAG ON)
+find_package(Threads REQUIRED)
+target_link_libraries(btop PRIVATE Threads::Threads)
+
+include(CheckCXXCompilerFlag)
+include(CheckLinkerFlag)
+
+function(target_compile_options_if_supported)
+	list(SUBLIST ARGV 2 -1 COMPILE_OPTIONS)
+	foreach(COMPILE_OPTION ${COMPILE_OPTIONS})
+		string(MAKE_C_IDENTIFIER ${COMPILE_OPTION} OPTION_ID)
+		check_cxx_compiler_flag(${COMPILE_OPTION} CXX_COMPILER_OPTION_CHECK_${OPTION_ID})
+		if(CXX_COMPILER_OPTION_CHECK_${OPTION_ID})
+			target_compile_options(${ARGV0} ${ARGV1} ${COMPILE_OPTION})
+		endif()	
+	endforeach()
+endfunction()
+
+function(target_link_options_if_supported)
+	list(SUBLIST ARGV 2 -1 LINK_OPTIONS)
+	foreach(LINK_OPTION ${LINK_OPTIONS})
+		string(MAKE_C_IDENTIFIER ${LINK_OPTION} OPTION_ID)
+		check_linker_flag(CXX ${LINK_OPTION} CXX_LINK_OPTION_CHECK_${OPTION_ID})
+		if(CXX_LINK_OPTION_CHECK_${OPTION_ID})
+			target_link_options(${ARGV0} ${ARGV1} ${LINK_OPTION})
+		endif()	
+	endforeach()
+endfunction()
+
+if(CMAKE_SYSTEM STREQUAL "x86_64")
+	target_compile_options_if_supported(btop PRIVATE -fcf-protection -cfguard)
+endif()
+
+target_compile_options_if_supported(btop PRIVATE -Wall -Wextra -pedantic)
+target_link_options_if_supported(btop PRIVATE -fexceptions -fstack-protector -fstack-clash-protection)
+
+if(NOT CMAKE_BUILD_TYPE STREQUAL "Debug")
+	target_compile_options_if_supported(btop PRIVATE -ftree-loop-vectorize -flto)
+	target_link_options_if_supported(btop PRIVATE -flto -s)
+endif()
+
+target_compile_definitions(btop PRIVATE _FORTIFY_SOURCE=2 _GLIBCXX_ASSERTIONS)
+
+if(APPLE)
+	target_link_options(btop PRIVATE -framework IOKit -framework CoreFoundation)
+endif()
+
+option(STATIC "statically linked executable" OFF)
+
+if(STATIC)
+	set(CMAKE_REQUIRED_LINK_OPTIONS -static -Werror -Wl,--fatal-warnings)
+	check_cxx_source_compiles("#include <pwd.h>
+		                       int main() { struct passwd* x = getpwuid(0); }" STATIC_GETPWUID)
+	if(NOT STATIC_GETPWUID)
+		target_compile_definitions(btop PRIVATE STATIC_BUILD)
+	endif()
+	target_link_options_if_supported(btop PRIVATE -static)
+endif()
+
+set(CPACK_DEBIAN_PACKAGE_MAINTAINER "Nobody <nobody@nowhere.no>")
+set(CPACK_DEBIAN_PACKAGE_SECTION "utils")
+
+include(CPack)
+
+install(TARGETS btop RUNTIME
+		PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE)
+install(FILES "README.md"
+        DESTINATION  "share/btop/"
+		PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ)
+install(DIRECTORY "themes"
+        DESTINATION  "share/btop/"
+		DIRECTORY_PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE
+		FILE_PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ)

btop/PKGBUILD

@@ -9,15 +9,20 @@ arch=(x86_64 aarch64)
 url="https://github.com/aristocratos/$pkgname"
 license=(Apache)
 depends=(coreutils sed)
-makedepends=(build-essential gcc-10 g++-10)
+makedepends=(cmake build-essential gcc-10 g++-10)
 _archive="$pkgname-$pkgver"
-source=("$_archive.tar.gz::$url/archive/v$pkgver.tar.gz")
-sha256sums=('59a87b9d0bb0f5010d53f0ac72ddee9fd7b5a4039bce51b94b262313e946df02')
-
+source=("$_archive.tar.gz::$url/archive/v$pkgver.tar.gz" "CMakeLists.txt")
+sha256sums=('59a87b9d0bb0f5010d53f0ac72ddee9fd7b5a4039bce51b94b262313e946df02' 'SKIP')
 
 build() {
 	cd "$_archive"
-	make CXX=g++-10 all
+
+	cmake . \
+		-DCMAKE_INSTALL_PREFIX=/usr \
+		-DCMAKE_BUILD_TYPE=Release \
+		-DSTATIC=ON
+
+	make -j$(nproc)
 }
 
 package() {