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# all dependencies that are not directly included in the cpp-ethereum distribution are defined here
# for this to work, download the dependency via the cmake script in extdep or install them manually!
function(eth_show_dependency DEP NAME)
get_property(DISPLAYED GLOBAL PROPERTY ETH_${DEP}_DISPLAYED)
if (NOT DISPLAYED)
set_property(GLOBAL PROPERTY ETH_${DEP}_DISPLAYED TRUE)
message(STATUS "${NAME} headers: ${${DEP}_INCLUDE_DIRS}")
message(STATUS "${NAME} lib : ${${DEP}_LIBRARIES}")
if (NOT("${${DEP}_DLLS}" STREQUAL ""))
message(STATUS "${NAME} dll : ${${DEP}_DLLS}")
endif()
endif()
endfunction()
if (DEFINED MSVC)
# by defining CMAKE_PREFIX_PATH variable, cmake will look for dependencies first in our own repository before looking in system paths like /usr/local/ ...
# this must be set to point to the same directory as $ETH_DEPENDENCY_INSTALL_DIR in /extdep directory
if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 19.0.0)
set (ETH_DEPENDENCY_INSTALL_DIR "${CMAKE_CURRENT_LIST_DIR}/../extdep/install/windows/x64")
else()
get_filename_component(DEPS_DIR "${CMAKE_CURRENT_LIST_DIR}/../deps/install" ABSOLUTE)
set(ETH_DEPENDENCY_INSTALL_DIR
"${DEPS_DIR}/x64" # Old location for deps.
"${DEPS_DIR}/win64" # New location for deps.
"${DEPS_DIR}/win64/Release/share" # LLVM shared cmake files.
)
endif()
set (CMAKE_PREFIX_PATH ${ETH_DEPENDENCY_INSTALL_DIR} ${CMAKE_PREFIX_PATH})
endif()
# custom cmake scripts
set(ETH_CMAKE_DIR ${CMAKE_CURRENT_LIST_DIR})
set(ETH_SCRIPTS_DIR ${ETH_CMAKE_DIR}/scripts)
find_program(CTEST_COMMAND ctest)
#message(STATUS "CMAKE_PREFIX_PATH ${CMAKE_PREFIX_PATH}")
#message(STATUS "CMake Helper Path: ${ETH_CMAKE_DIR}")
#message(STATUS "CMake Script Path: ${ETH_SCRIPTS_DIR}")
#message(STATUS "ctest path: ${CTEST_COMMAND}")
## use multithreaded boost libraries, with -mt suffix
set(Boost_USE_MULTITHREADED ON)
if (CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
# use static boost libraries *.lib
set(Boost_USE_STATIC_LIBS ON)
elseif (APPLE)
# use static boost libraries *.a
set(Boost_USE_STATIC_LIBS ON)
elseif (UNIX)
# use dynamic boost libraries *.dll
set(Boost_USE_STATIC_LIBS OFF)
endif()
set(STATIC_LINKING FALSE CACHE BOOL "Build static binaries")
if (STATIC_LINKING)
set(Boost_USE_STATIC_LIBS ON)
set(Boost_USE_STATIC_RUNTIME ON)
set(OpenSSL_USE_STATIC_LIBS ON)
if (MSVC)
# TODO - Why would we need .a on Windows? Maybe some Cygwin-ism.
# When I work through Windows static linkage, I will remove this,
# if that is possible.
set(CMAKE_FIND_LIBRARY_SUFFIXES .lib .a ${CMAKE_FIND_LIBRARY_SUFFIXES})
elseif (APPLE)
# At the time of writing, we are still only PARTIALLY statically linked
# on OS X, with a mixture of statically linked external libraries where
# those are available, and dynamically linked where that is the only
# option we have. Ultimately, the aim would be for everything except
# the runtime libraries to be statically linked.
#
# Still TODO:
# - jsoncpp
# - json-rpc-cpp
# - leveldb (which pulls in snappy, for the dylib at ;east)
# - miniupnp
# - gmp
#
# Two further libraries (curl and zlib) ship as dylibs with the platform
# but again we could build from source and statically link these too.
set(CMAKE_FIND_LIBRARY_SUFFIXES .a .dylib)
else()
set(CMAKE_FIND_LIBRARY_SUFFIXES .a)
endif()
set(ETH_STATIC ON)
endif()
find_package(Boost 1.54.0 QUIET REQUIRED COMPONENTS thread date_time system regex chrono filesystem unit_test_framework program_options random)
eth_show_dependency(Boost boost)
if (APPLE)
link_directories(/usr/local/lib)
include_directories(/usr/local/include)
endif()
include_directories(BEFORE "${PROJECT_BINARY_DIR}/include")
function(eth_use TARGET REQUIRED)
if (NOT TARGET ${TARGET})
message(FATAL_ERROR "eth_use called for non existing target ${TARGET}")
endif()
if (TARGET ${PROJECT_NAME}_BuildInfo.h)
add_dependencies(${TARGET} ${PROJECT_NAME}_BuildInfo.h)
endif()
foreach(MODULE ${ARGN})
string(REPLACE "::" ";" MODULE_PARTS ${MODULE})
list(GET MODULE_PARTS 0 MODULE_MAIN)
list(LENGTH MODULE_PARTS MODULE_LENGTH)
if (MODULE_LENGTH GREATER 1)
list(GET MODULE_PARTS 1 MODULE_SUB)
endif()
# TODO: check if file exists if not, throws FATAL_ERROR with detailed description
get_target_property(TARGET_APPLIED ${TARGET} TARGET_APPLIED_${MODULE_MAIN}_${MODULE_SUB})
if (NOT TARGET_APPLIED)
include(Use${MODULE_MAIN})
set_target_properties(${TARGET} PROPERTIES TARGET_APPLIED_${MODULE_MAIN}_${MODULE_SUB} TRUE)
eth_apply(${TARGET} ${REQUIRED} ${MODULE_SUB})
endif()
endforeach()
endfunction()
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