borg_public/cmake_modules/FindJulia.cmake

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2023-05-29 10:41:03 +02:00
# Inspiration from https://gist.github.com/JayKickliter/06d0e7c4f84ef7ccc7a9
#
find_program(JULIA_EXECUTABLE julia DOC "Julia executable")
IF (NOT JULIA_EXECUTABLE)
cmessage(STATUS "Julia executable has not been found")
return()
endif()
#
# Julia version
#
execute_process(
COMMAND ${JULIA_EXECUTABLE} --version
OUTPUT_VARIABLE JULIA_VERSION_STRING
RESULT_VARIABLE RESULT
)
if(RESULT EQUAL 0)
string(REGEX REPLACE ".*([0-9]+\\.[0-9]+\\.[0-9]+).*" "\\1"
JULIA_VERSION_STRING ${JULIA_VERSION_STRING})
string(REGEX REPLACE "([0-9]+)\\.([0-9]+)\\.([0-9]+)" "JULIA_VERSION_MAJOR=\\1;JULIA_VERSION_MINOR=\\2;JULIA_VERSION_FIX=\\3" JULIA_VERSION_DEFS ${JULIA_VERSION_STRING})
endif()
cmessage(STATUS "Julia version: ${JULIA_VERSION_STRING}")
#
# Julia home
#
IF (JULIA_VERSION_STRING VERSION_GREATER_EQUAL "0.7.0")
IF (JULIA_VERSION_STRING VERSION_LESS "1.7.0")
execute_process(
COMMAND ${JULIA_EXECUTABLE} -E "abspath(Sys.BINDIR)"
OUTPUT_VARIABLE JULIA_BINDIR
RESULT_VARIABLE RESULT
)
if(RESULT EQUAL 0)
string(REGEX REPLACE "\"" "" JULIA_BINDIR ${JULIA_BINDIR})
string(STRIP "${JULIA_BINDIR}" JULIA_BINDIR)
get_filename_component(JULIA_HOME "${JULIA_BINDIR}/../" ABSOLUTE)
else()
cmessage(ERROR "Cannot find JULIA_HOME")
endif()
ELSE()
cmessage(ERROR "Unknown Julia version ${JULIA_VERSION}")
ENDIF()
ELSE()
execute_process(
COMMAND ${JULIA_EXECUTABLE} -E "abspath(JULIA_HOME)"
OUTPUT_VARIABLE JULIA_HOME
RESULT_VARIABLE RESULT
)
if(RESULT EQUAL 0)
string(REGEX REPLACE "\"" "" JULIA_HOME ${JULIA_HOME})
string(STRIP "${JULIA_HOME}" JULIA_HOME)
set(JULIA_BINDIR "${JULIA_HOME}")
else()
cmessage(ERROR "Cannot find JULIA_HOME")
endif()
ENDIF()
cmessage(STATUS "Julia: Executable is ${JULIA_EXECUTABLE} (${JULIA_VERSION_STRING})")
cmessage(STATUS "Julia: HOME is ${JULIA_HOME}")
cmessage(STATUS "Julia: BINDIR is ${JULIA_BINDIR}")
#
# Check threading
#
execute_process(
COMMAND ${JULIA_EXECUTABLE} -E "ccall(:jl_threading_enabled, Cint, ()) != 0"
OUTPUT_VARIABLE JULIA_THREADING_STATE
RESULT_VARIABLE RESULT
OUTPUT_STRIP_TRAILING_WHITESPACE
)
cmessage(STATUS "Julia: threading state is '${JULIA_THREADING_STATE}'")
if(RESULT EQUAL 0)
string(STRIP "${JULIA_THREADING_STATE}" JULIA_THREADING_STATE)
if (JULIA_THREADING_STATE STREQUAL "true")
set(JULIA_DEFS "JULIA_ENABLE_THREADING=1")
elseif(JULIA_THREADING_STATE STREQUAL "false")
set(JULIA_DEFS "")
else()
cmessage(CWARNING "Julia: unknown return value of threading")
endif()
endif()
set(JULIA_DEFS ${JULIA_DEFS};JULIA_HOME=\"${JULIA_HOME}\";JULIA_BINDIR=\"${JULIA_BINDIR}\";${JULIA_VERSION_DEFS})
#
# Julia includes
#
IF (JULIA_VERSION_STRING VERSION_GREATER_EQUAL "0.7.0")
IF (JULIA_VERSION_STRING VERSION_LESS "1.7.0")
execute_process(
COMMAND ${JULIA_EXECUTABLE} -E "abspath(Sys.BINDIR, Base.INCLUDEDIR, \"julia\")"
OUTPUT_VARIABLE JULIA_INCLUDE_DIRS
RESULT_VARIABLE RESULT
)
ELSE()
cmessage(ERROR "Unknown Julia version ${JULIA_VERSION}")
ENDIF()
ELSE()
execute_process(
COMMAND ${JULIA_EXECUTABLE} -E "abspath(\"${JULIA_HOME}\", Base.INCLUDEDIR, \"julia\")"
OUTPUT_VARIABLE JULIA_INCLUDE_DIRS
RESULT_VARIABLE RESULT
)
ENDIF()
if(RESULT EQUAL 0)
string(REGEX REPLACE "\"" "" JULIA_INCLUDE_DIRS ${JULIA_INCLUDE_DIRS})
string(STRIP "${JULIA_INCLUDE_DIRS}" JULIA_INCLUDE_DIRS)
set(JULIA_INCLUDE_DIRS ${JULIA_INCLUDE_DIRS}
CACHE PATH "Location of Julia include files")
ELSE()
cmessage(ERROR "Cannot find location of Julia header files")
endif()
#
# Julia libs
#
execute_process(
COMMAND ${JULIA_EXECUTABLE} -E "using Libdl; dirname(abspath(Libdl.dlpath(\"libjulia\")))"
OUTPUT_VARIABLE JULIA_LIBRARY_DIR
RESULT_VARIABLE RESULT
)
if(RESULT EQUAL 0)
string(REGEX REPLACE "\"" "" JULIA_LIBRARY_DIR "${JULIA_LIBRARY_DIR}")
string(STRIP "${JULIA_LIBRARY_DIR}" JULIA_LIBRARY_DIR)
cmessage(STATUS "Julia: library dir is ${JULIA_LIBRARY_DIR}")
set(JULIA_LIBRARY_DIRS ${JULIA_LIBRARY_DIR}
CACHE PATH "Location of Julia lib dirs")
endif()
execute_process(
COMMAND ${JULIA_EXECUTABLE} -E "abspath(\"${JULIA_BINDIR}\", Base.PRIVATE_LIBDIR)"
OUTPUT_VARIABLE JULIA_PRIVATE_LIBRARY_DIR
RESULT_VARIABLE RESULT
)
if(RESULT EQUAL 0)
string(REGEX REPLACE "\"" "" JULIA_PRIVATE_LIBRARY_DIR "${JULIA_PRIVATE_LIBRARY_DIR}")
string(STRIP "${JULIA_PRIVATE_LIBRARY_DIR}" JULIA_PRIVATE_LIBRARY_DIR)
cmessage(STATUS "Julia: private library dir is ${JULIA_PRIVATE_LIBRARY_DIR}")
set(JULIA_PRIVATE_LIBRARY_DIRS ${JULIA_PRIVATE_LIBRARY_DIR}
CACHE PATH "Location of Julia lib dirs")
SET(CMAKE_BUILD_WITH_INSTALL_RPATH TRUE)
SET(CMAKE_INSTALL_RPATH ${CMAKE_INSTALL_RPATH} "${JULIA_PRIVATE_LIBRARY_DIRS}")
endif()
find_library( JULIA_LIBRARY
NAMES julia.${JULIA_VERSION_STRING} julia
PATHS ${JULIA_LIBRARY_DIRS}
NO_DEFAULT_PATH
)
cmessage(STATUS "Julia: library is ${JULIA_LIBRARY}")
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(
Julia
REQUIRED_VARS JULIA_LIBRARY JULIA_LIBRARY_DIR JULIA_PRIVATE_LIBRARY_DIR JULIA_INCLUDE_DIRS JULIA_DEFS
VERSION_VAR JULIA_VERSION_STRING
FAIL_MESSAGE "Julia not found"
)