neovim/cmake.deps/cmake/BuildLuajit.cmake
dundargoc 187ae67735 build: introduce variable DEPS_IGNORE_SHA for skipping dependency hash check
This will reduce friction as developers no longer need to provide a hash
when testing out different commits.

To skip the hash check, set `DEPS_IGNORE_SHA` to `TRUE` in
`cmake.deps/CMakeLists.txt`.
2024-03-19 08:52:03 +01:00

141 lines
6.7 KiB
CMake

# BuildLuajit(TARGET targetname CONFIGURE_COMMAND ... BUILD_COMMAND ... INSTALL_COMMAND ...)
# Reusable function to build luajit, wraps ExternalProject_Add.
# Failing to pass a command argument will result in no command being run
function(BuildLuajit)
cmake_parse_arguments(_luajit
""
"TARGET"
"CONFIGURE_COMMAND;BUILD_COMMAND;INSTALL_COMMAND;DEPENDS"
${ARGN})
if(NOT _luajit_TARGET)
set(_luajit_TARGET "luajit")
endif()
get_sha(luajit ${DEPS_IGNORE_SHA})
ExternalProject_Add(${_luajit_TARGET}
URL ${LUAJIT_URL}
${EXTERNALPROJECT_URL_HASH}
DOWNLOAD_DIR ${DEPS_DOWNLOAD_DIR}/${_luajit_TARGET}
CONFIGURE_COMMAND "${_luajit_CONFIGURE_COMMAND}"
BUILD_IN_SOURCE 1
BUILD_COMMAND "${_luajit_BUILD_COMMAND}"
INSTALL_COMMAND "${_luajit_INSTALL_COMMAND}"
DEPENDS "${_luajit_DEPENDS}"
${EXTERNALPROJECT_OPTIONS})
endfunction()
check_c_compiler_flag(-fno-stack-check HAS_NO_STACK_CHECK)
if(APPLE AND HAS_NO_STACK_CHECK)
set(NO_STACK_CHECK "CFLAGS+=-fno-stack-check")
else()
set(NO_STACK_CHECK "")
endif()
if(CMAKE_SYSTEM_NAME MATCHES "OpenBSD")
set(AMD64_ABI "LDFLAGS=-lpthread -lc++abi")
else()
set(AMD64_ABI "")
endif()
set(BUILDCMD_UNIX ${MAKE_PRG} -j CFLAGS=-fPIC
CFLAGS+=-DLUA_USE_APICHECK
CFLAGS+=-funwind-tables
${NO_STACK_CHECK}
${AMD64_ABI}
CCDEBUG+=-g
Q=)
# Setting MACOSX_DEPLOYMENT_TARGET is mandatory for LuaJIT; use version set by
# cmake.deps/CMakeLists.txt (either environment variable or current system version).
if(APPLE)
set(DEPLOYMENT_TARGET "MACOSX_DEPLOYMENT_TARGET=${CMAKE_OSX_DEPLOYMENT_TARGET}")
endif()
if((UNIX AND NOT APPLE) OR (APPLE AND NOT CMAKE_OSX_ARCHITECTURES))
BuildLuaJit(INSTALL_COMMAND ${BUILDCMD_UNIX}
CC=${DEPS_C_COMPILER} PREFIX=${DEPS_INSTALL_DIR}
${DEPLOYMENT_TARGET} install)
elseif(CMAKE_OSX_ARCHITECTURES AND APPLE)
set(LUAJIT_C_COMPILER "${CMAKE_C_COMPILER}")
if(CMAKE_OSX_SYSROOT)
set(LUAJIT_C_COMPILER "${LUAJIT_C_COMPILER} -isysroot${CMAKE_OSX_SYSROOT}")
endif()
# Passing multiple `-arch` flags to the LuaJIT build will cause it to fail.
# To get a working universal build, we build each requested architecture slice
# individually then `lipo` them all up.
set(LUAJIT_SRC_DIR "${DEPS_BUILD_DIR}/src/luajit")
foreach(ARCH IN LISTS CMAKE_OSX_ARCHITECTURES)
set(STATIC_CC "${LUAJIT_C_COMPILER} -arch ${ARCH}")
set(DYNAMIC_CC "${LUAJIT_C_COMPILER} -arch ${ARCH} -fPIC")
set(TARGET_LD "${LUAJIT_C_COMPILER} -arch ${ARCH}")
list(APPEND LUAJIT_THIN_EXECUTABLES "${LUAJIT_SRC_DIR}-${ARCH}/src/luajit")
list(APPEND LUAJIT_THIN_STATIC_LIBS "${LUAJIT_SRC_DIR}-${ARCH}/src/libluajit.a")
list(APPEND LUAJIT_THIN_DYLIBS "${LUAJIT_SRC_DIR}-${ARCH}/src/libluajit.so")
list(APPEND LUAJIT_THIN_TARGETS "luajit-${ARCH}")
# See https://luajit.org/install.html#cross.
BuildLuaJit(TARGET "luajit-${ARCH}"
BUILD_COMMAND ${BUILDCMD_UNIX}
CC=${LUAJIT_C_COMPILER} STATIC_CC=${STATIC_CC}
DYNAMIC_CC=${DYNAMIC_CC} TARGET_LD=${TARGET_LD}
PREFIX=${DEPS_INSTALL_DIR}
${DEPLOYMENT_TARGET})
endforeach()
BuildLuaJit(
CONFIGURE_COMMAND ${BUILDCMD_UNIX} CC=${LUAJIT_C_COMPILER} PREFIX=${DEPS_INSTALL_DIR} ${DEPLOYMENT_TARGET}
COMMAND ${CMAKE_COMMAND} -E rm -f ${LUAJIT_SRC_DIR}/src/luajit ${LUAJIT_SRC_DIR}/src/libluajit.so ${LUAJIT_SRC_DIR}/src/libluajit.a
BUILD_COMMAND lipo ${LUAJIT_THIN_EXECUTABLES} -create -output ${LUAJIT_SRC_DIR}/src/luajit
COMMAND lipo ${LUAJIT_THIN_STATIC_LIBS} -create -output ${LUAJIT_SRC_DIR}/src/libluajit.a
COMMAND lipo ${LUAJIT_THIN_DYLIBS} -create -output ${LUAJIT_SRC_DIR}/src/libluajit.so
INSTALL_COMMAND ${BUILDCMD_UNIX} CC=${LUAJIT_C_COMPILER} PREFIX=${DEPS_INSTALL_DIR} ${DEPLOYMENT_TARGET} install
DEPENDS ${LUAJIT_THIN_TARGETS}
)
elseif(MINGW)
if(CMAKE_GENERATOR MATCHES "Ninja")
set(LUAJIT_MAKE_PRG ${MAKE_PRG})
else()
set(LUAJIT_MAKE_PRG ${CMAKE_MAKE_PROGRAM})
endif()
BuildLuaJit(BUILD_COMMAND ${LUAJIT_MAKE_PRG} CC=${DEPS_C_COMPILER}
PREFIX=${DEPS_INSTALL_DIR}
CFLAGS+=-DLUA_USE_APICHECK
CFLAGS+=-funwind-tables
CCDEBUG+=-g
BUILDMODE=static
# Build a DLL too
COMMAND ${LUAJIT_MAKE_PRG} CC=${DEPS_C_COMPILER} BUILDMODE=dynamic
INSTALL_COMMAND ${CMAKE_COMMAND} -E make_directory ${DEPS_BIN_DIR}
COMMAND ${CMAKE_COMMAND} -E copy ${DEPS_BUILD_DIR}/src/luajit/src/luajit.exe ${DEPS_BIN_DIR}
COMMAND ${CMAKE_COMMAND} -E copy ${DEPS_BUILD_DIR}/src/luajit/src/lua51.dll ${DEPS_BIN_DIR}
COMMAND ${CMAKE_COMMAND} -E make_directory ${DEPS_LIB_DIR}
# Luarocks searches for lua51.dll in lib
COMMAND ${CMAKE_COMMAND} -E copy ${DEPS_BUILD_DIR}/src/luajit/src/lua51.dll ${DEPS_LIB_DIR}
COMMAND ${CMAKE_COMMAND} -E copy ${DEPS_BUILD_DIR}/src/luajit/src/libluajit.a ${DEPS_LIB_DIR}
COMMAND ${CMAKE_COMMAND} -E make_directory ${DEPS_INSTALL_DIR}/include/luajit-2.1
COMMAND ${CMAKE_COMMAND} -DFROM_GLOB=${DEPS_BUILD_DIR}/src/luajit/src/*.h -DTO=${DEPS_INSTALL_DIR}/include/luajit-2.1 -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/CopyFilesGlob.cmake
COMMAND ${CMAKE_COMMAND} -E copy_directory ${DEPS_BUILD_DIR}/src/luajit/src/jit ${DEPS_INSTALL_DIR}/share/luajit-2.1/jit
)
elseif(MSVC)
BuildLuaJit(
BUILD_COMMAND ${CMAKE_COMMAND} -E chdir ${DEPS_BUILD_DIR}/src/luajit/src ${DEPS_BUILD_DIR}/src/luajit/src/msvcbuild.bat
INSTALL_COMMAND ${CMAKE_COMMAND} -E make_directory ${DEPS_BIN_DIR}
COMMAND ${CMAKE_COMMAND} -E copy ${DEPS_BUILD_DIR}/src/luajit/src/luajit.exe ${DEPS_BIN_DIR}
COMMAND ${CMAKE_COMMAND} -E copy ${DEPS_BUILD_DIR}/src/luajit/src/lua51.dll ${DEPS_BIN_DIR}
COMMAND ${CMAKE_COMMAND} -E make_directory ${DEPS_LIB_DIR}
# Luarocks searches for lua51.lib
COMMAND ${CMAKE_COMMAND} -E copy ${DEPS_BUILD_DIR}/src/luajit/src/lua51.lib ${DEPS_LIB_DIR}/lua51.lib
# Luv searches for luajit.lib
COMMAND ${CMAKE_COMMAND} -E copy ${DEPS_BUILD_DIR}/src/luajit/src/lua51.lib ${DEPS_LIB_DIR}/luajit.lib
COMMAND ${CMAKE_COMMAND} -E make_directory ${DEPS_INSTALL_DIR}/include/luajit-2.1
COMMAND ${CMAKE_COMMAND} -DFROM_GLOB=${DEPS_BUILD_DIR}/src/luajit/src/*.h -DTO=${DEPS_INSTALL_DIR}/include/luajit-2.1 -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/CopyFilesGlob.cmake
COMMAND ${CMAKE_COMMAND} -E copy_directory ${DEPS_BUILD_DIR}/src/luajit/src/jit ${DEPS_INSTALL_DIR}/share/luajit-2.1/jit
)
else()
message(FATAL_ERROR "Trying to build luajit in an unsupported system ${CMAKE_SYSTEM_NAME}/${CMAKE_C_COMPILER_ID}")
endif()