# Ubuntu 18.04 LTS and OpenBSD 6.4 cmake_minimum_required (VERSION 3.10) file (READ xK-version project_version) configure_file (xK-version xK-version.tag COPYONLY) string (STRIP "${project_version}" project_version) project (xK VERSION "${project_version}" DESCRIPTION "IRC daemon, bot, TUI client and its web frontend" LANGUAGES C) # Options option (WANT_READLINE "Use GNU Readline for the UI (better)" ON) option (WANT_LIBEDIT "Use BSD libedit for the UI" OFF) option (WANT_XF "Build xF" OFF) # Moar warnings set (CMAKE_C_STANDARD 99) set (CMAKE_C_STANDARD_REQUIRED ON) set (CMAKE_C_EXTENSIONS OFF) if ("${CMAKE_C_COMPILER_ID}" MATCHES "GNU" OR CMAKE_COMPILER_IS_GNUCC) # -Wunused-function is pretty annoying here, as everything is static set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -Wno-unused-function") endif () # Try to append commit ID if it follows a version tag. It might be nicer if # we could also detect dirty worktrees but that's very hard to get right. # If we didn't need this for CPack, we could use add_custom_command to generate # a version source/include file. find_package (Git) set (git_head "${PROJECT_SOURCE_DIR}/.git/HEAD") if (GIT_FOUND AND EXISTS "${git_head}") configure_file ("${git_head}" git-head.tag COPYONLY) file (READ "${git_head}" git_head_content) if (git_head_content MATCHES "^ref: ([^\r\n]+)") set (git_ref "${PROJECT_SOURCE_DIR}/.git/${CMAKE_MATCH_1}") if (EXISTS "${git_ref}") configure_file ("${git_ref}" git-ref.tag COPYONLY) endif () endif () execute_process (COMMAND ${GIT_EXECUTABLE} describe --tags --match v* WORKING_DIRECTORY ${PROJECT_SOURCE_DIR} RESULT_VARIABLE git_describe_result OUTPUT_VARIABLE git_describe OUTPUT_STRIP_TRAILING_WHITESPACE) if (NOT git_describe_result) string (REGEX REPLACE "^v" "" project_version "${git_describe}") endif () endif () # Dashes make filenames confusing and upset packaging software string (REPLACE "-" "+" project_version_safe "${project_version}") # Dependencies set (CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/liberty/cmake) include (AddThreads) find_package (PkgConfig REQUIRED) pkg_check_modules (libssl REQUIRED libssl libcrypto) list (APPEND project_libraries ${libssl_LIBRARIES}) include_directories (${libssl_INCLUDE_DIRS}) link_directories (${libssl_LIBRARY_DIRS}) if ("${CMAKE_SYSTEM_NAME}" MATCHES "BSD") # Need this for SIGWINCH in FreeBSD and OpenBSD respectively; # our POSIX version macros make it undefined add_definitions (-D__BSD_VISIBLE=1 -D_BSD_SOURCE=1) elseif (APPLE) add_definitions (-D_DARWIN_C_SOURCE) endif () # -lrt is only for glibc < 2.17 # -liconv may or may not be a part of libc # -lm may or may not be a part of libc foreach (extra iconv rt m) find_library (extra_lib_${extra} ${extra}) if (extra_lib_${extra}) list (APPEND project_libraries ${extra_lib_${extra}}) endif () endforeach () include (CheckCSourceRuns) set (CMAKE_REQUIRED_LIBRARIES ${project_libraries}) get_property (CMAKE_REQUIRED_INCLUDES DIRECTORY "${PROJECT_SOURCE_DIR}" PROPERTY INCLUDE_DIRECTORIES) CHECK_C_SOURCE_RUNS ("#include int main () { return iconv_open (\"UTF-8//TRANSLIT\", \"ISO-8859-1\") == (iconv_t) -1; }" ICONV_ACCEPTS_TRANSLIT) # Dependencies for xC pkg_check_modules (libffi REQUIRED libffi) list (APPEND xC_libraries ${libffi_LIBRARIES}) include_directories (${libffi_INCLUDE_DIRS}) link_directories (${libffi_LIBRARY_DIRS}) # XXX: other Lua versions may be acceptable, don't know yet pkg_search_module (lua lua53 lua5.3 lua-5.3 lua54 lua5.4 lua-5.4 lua>=5.3) option (WITH_LUA "Enable support for Lua plugins" ${lua_FOUND}) if (WITH_LUA) if (NOT lua_FOUND) message (FATAL_ERROR "Lua library not found") endif () list (APPEND xC_libraries ${lua_LIBRARIES}) include_directories (${lua_INCLUDE_DIRS}) link_directories (${lua_LIBRARY_DIRS}) endif () find_package (Curses) pkg_check_modules (ncursesw ncursesw) if (ncursesw_FOUND) list (APPEND xC_libraries ${ncursesw_LIBRARIES}) include_directories (${ncursesw_INCLUDE_DIRS}) elseif (CURSES_FOUND) list (APPEND xC_libraries ${CURSES_LIBRARY}) include_directories (${CURSES_INCLUDE_DIR}) else () message (SEND_ERROR "Curses not found") endif () if ((WANT_READLINE AND WANT_LIBEDIT) OR (NOT WANT_READLINE AND NOT WANT_LIBEDIT)) message (SEND_ERROR "You have to choose either GNU Readline or libedit") elseif (WANT_READLINE) pkg_check_modules (readline readline) # OpenBSD's default readline is too old if ("${CMAKE_SYSTEM_NAME}" MATCHES "OpenBSD") include_directories (${OPENBSD_LOCALBASE}/include/ereadline) list (APPEND xC_libraries ereadline) elseif (readline_FOUND) list (APPEND xC_libraries ${readline_LIBRARIES}) include_directories (${readline_INCLUDE_DIRS}) link_directories (${readline_LIBRARY_DIRS}) else () list (APPEND xC_libraries readline) endif () elseif (WANT_LIBEDIT) pkg_check_modules (libedit REQUIRED libedit) list (APPEND xC_libraries ${libedit_LIBRARIES}) include_directories (${libedit_INCLUDE_DIRS}) endif () # Generate a configuration file set (HAVE_READLINE "${WANT_READLINE}") set (HAVE_EDITLINE "${WANT_LIBEDIT}") set (HAVE_LUA "${WITH_LUA}") include (GNUInstallDirs) set (project_config ${PROJECT_BINARY_DIR}/config.h) configure_file (${PROJECT_SOURCE_DIR}/config.h.in ${project_config}) include_directories (${PROJECT_SOURCE_DIR} ${PROJECT_BINARY_DIR}) # Generate IRC replies--we need a custom target because of the multiple outputs add_custom_command (OUTPUT xD-replies.c xD.msg COMMAND env LC_ALL=C awk -f ${PROJECT_SOURCE_DIR}/xD-gen-replies.awk ${PROJECT_SOURCE_DIR}/xD-replies > xD-replies.c DEPENDS ${PROJECT_SOURCE_DIR}/xD-gen-replies.awk ${PROJECT_SOURCE_DIR}/xD-replies COMMENT "Generating files from the list of server numerics") add_custom_target (replies DEPENDS ${PROJECT_BINARY_DIR}/xD-replies.c) add_custom_command (OUTPUT xC-proto.c COMMAND env LC_ALL=C awk -f ${PROJECT_SOURCE_DIR}/liberty/tools/lxdrgen.awk -f ${PROJECT_SOURCE_DIR}/liberty/tools/lxdrgen-c.awk -v PrefixCamel=Relay ${PROJECT_SOURCE_DIR}/xC.lxdr > xC-proto.c DEPENDS ${PROJECT_SOURCE_DIR}/liberty/tools/lxdrgen.awk ${PROJECT_SOURCE_DIR}/liberty/tools/lxdrgen-c.awk ${PROJECT_SOURCE_DIR}/xC.lxdr COMMENT "Generating xC relay protocol code" VERBATIM) add_custom_target (xC-proto DEPENDS ${PROJECT_BINARY_DIR}/xC-proto.c) # Build foreach (name xB xC xD) add_executable (${name} ${name}.c ${project_config}) target_link_libraries (${name} ${project_libraries}) add_threads (${name}) endforeach () add_dependencies (xD replies) add_dependencies (xC replies xC-proto) target_link_libraries (xC ${xC_libraries}) if (WANT_XF) pkg_check_modules (x11 REQUIRED x11 xrender xft fontconfig) include_directories (${x11_INCLUDE_DIRS}) link_directories (${x11_LIBRARY_DIRS}) add_executable (xF xF.c ${project_config}) add_dependencies (xF xC-proto) target_link_libraries (xF ${x11_LIBRARIES} ${project_libraries}) add_threads (xF) endif () # Tests include (CTest) if (BUILD_TESTING) add_executable (test-xC $) set_target_properties (test-xC PROPERTIES COMPILE_DEFINITIONS TESTING) target_link_libraries (test-xC $) add_threads (test-xC) add_dependencies (test-xC replies) add_test (NAME test-xC COMMAND test-xC) add_test (NAME custom-static-analysis COMMAND ${PROJECT_SOURCE_DIR}/test-static) endif () # Various clang-based diagnostics, loads of fake positives and spam file (GLOB clang_tidy_sources *.c) set (clang_tidy_checks misc-* readability-* -readability-braces-around-statements -readability-named-parameter) string (REPLACE ";" "," clang_tidy_checks "${clang_tidy_checks}") set (CMAKE_EXPORT_COMPILE_COMMANDS ON) add_custom_target (clang-tidy COMMAND clang-tidy -p ${PROJECT_BINARY_DIR} -checks=${clang_tidy_checks} ${clang_tidy_sources} 1>&2 USES_TERMINAL WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}) # Installation install (TARGETS xB xC xD DESTINATION ${CMAKE_INSTALL_BINDIR}) install (FILES LICENSE DESTINATION ${CMAKE_INSTALL_DOCDIR}) install (DIRECTORY plugins/xB/ DESTINATION ${CMAKE_INSTALL_DATADIR}/xB/plugins USE_SOURCE_PERMISSIONS) install (DIRECTORY plugins/xC/ DESTINATION ${CMAKE_INSTALL_DATADIR}/xC/plugins) # Generate documentation from text markup find_program (ASCIIDOCTOR_EXECUTABLE asciidoctor) find_program (A2X_EXECUTABLE a2x) if (NOT ASCIIDOCTOR_EXECUTABLE AND NOT A2X_EXECUTABLE) message (WARNING "Neither asciidoctor nor a2x were found, " "falling back to a substandard manual page generator") endif () foreach (page xB xC xD) set (page_output "${PROJECT_BINARY_DIR}/${page}.1") list (APPEND project_MAN_PAGES "${page_output}") if (ASCIIDOCTOR_EXECUTABLE) add_custom_command (OUTPUT ${page_output} COMMAND ${ASCIIDOCTOR_EXECUTABLE} -b manpage -a release-version=${project_version} -o "${page_output}" "${PROJECT_SOURCE_DIR}/${page}.adoc" DEPENDS ${page}.adoc COMMENT "Generating man page for ${page}" VERBATIM) elseif (A2X_EXECUTABLE) add_custom_command (OUTPUT ${page_output} COMMAND ${A2X_EXECUTABLE} --doctype manpage --format manpage -a release-version=${project_version} -D "${PROJECT_BINARY_DIR}" "${PROJECT_SOURCE_DIR}/${page}.adoc" DEPENDS ${page}.adoc COMMENT "Generating man page for ${page}" VERBATIM) else () set (ASCIIMAN ${PROJECT_SOURCE_DIR}/liberty/tools/asciiman.awk) add_custom_command (OUTPUT ${page_output} COMMAND env LC_ALL=C asciidoc-release-version=${project_version} awk -f ${ASCIIMAN} "${PROJECT_SOURCE_DIR}/${page}.adoc" > ${page_output} DEPENDS ${page}.adoc ${ASCIIMAN} COMMENT "Generating man page for ${page}" VERBATIM) endif () endforeach () add_custom_target (docs ALL DEPENDS ${project_MAN_PAGES}) foreach (page ${project_MAN_PAGES}) string (REGEX MATCH "\\.([0-9])$" manpage_suffix "${page}") install (FILES "${page}" DESTINATION "${CMAKE_INSTALL_MANDIR}/man${CMAKE_MATCH_1}") endforeach () # CPack set (CPACK_PACKAGE_VERSION "${project_version_safe}") set (CPACK_PACKAGE_VENDOR "Premysl Eric Janouch") set (CPACK_PACKAGE_CONTACT "Přemysl Eric Janouch ") set (CPACK_RESOURCE_FILE_LICENSE "${PROJECT_SOURCE_DIR}/LICENSE") set (CPACK_GENERATOR "TGZ;ZIP") set (CPACK_PACKAGE_FILE_NAME "${PROJECT_NAME}-${project_version_safe}-${CMAKE_SYSTEM_NAME}-${CMAKE_SYSTEM_PROCESSOR}") set (CPACK_PACKAGE_INSTALL_DIRECTORY "${PROJECT_NAME}-${project_version_safe}") set (CPACK_SOURCE_GENERATOR "TGZ;ZIP") set (CPACK_SOURCE_IGNORE_FILES "/\\\\.git;/build;/CMakeLists.txt.user") set (CPACK_SOURCE_PACKAGE_FILE_NAME "${PROJECT_NAME}-${project_version_safe}") set (CPACK_SET_DESTDIR TRUE) include (CPack)