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#
# v8 build stuff
#
string(TOLOWER ${CMAKE_BUILD_TYPE} v8mode)
set(v8arch ${node_arch})
if(${node_arch} MATCHES x86_64)
set(v8arch x64)
elseif(${node_arch} MATCHES x86)
set(v8arch ia32)
endif()
if(NOT SHARED_V8)
if(V8_SNAPSHOT)
set(v8_snapshot snapshot=on)
endif()
if(V8_OPROFILE)
set(v8_oprofile prof=oprofile)
endif()
if(V8_GDBJIT)
set(v8_gdbjit gdbjit=on)
endif()
if(${node_platform} MATCHES darwin)
execute_process(COMMAND hwprefs cpu_count OUTPUT_VARIABLE cpu_count)
elseif(${node_platform} MATCHES linux)
execute_process(COMMAND sh -c "cat /proc/cpuinfo | grep processor | sort | uniq | wc -l"
OUTPUT_VARIABLE cpu_count)
elseif(${node_platform} MATCHES sunos)
execute_process(COMMAND sh -c "psrinfo | wc -l" OUTPUT_VARIABLE cpu_count)
else()
set(cpu_count 1)
endif()
if(${cpu_count} GREATER 1)
math(EXPR parallel_jobs ${cpu_count}*2)
else()
set(parallel_jobs 1)
endif()
add_library(v8 STATIC IMPORTED)
set_property(TARGET v8
PROPERTY IMPORTED_LOCATION ${PROJECT_BINARY_DIR}/deps/v8/${v8_fn})
set(compile_env_vars "CC=${CMAKE_C_COMPILER} CXX=${CMAKE_CXX_COMPILER} AR=${CMAKE_AR} RANLIB=${CMAKE_RANLIB} CFLAGS=\"${CMAKE_C_FLAGS}\" CXXFLAGS=\"${CMAKE_CXX_FLAGS}\" LDFLAGS=\"${CMAKE_EXE_LINKER_FLAGS}\"")
set(compile_cmd "${compile_env_vars} ${PYTHON_EXECUTABLE} ${PROJECT_BINARY_DIR}/tools/scons/scons.py -j ${parallel_jobs} visibility=default mode=${v8mode} arch=${v8arch} library=static ${v8_snapshot} ${v8_oprofile} ${v8_gdbjit} verbose=on")
if(CMAKE_VERSION VERSION_GREATER 2.8 OR CMAKE_VERSION VERSION_EQUAL 2.8)
# use ExternalProject for CMake >2.8
include(ExternalProject)
ExternalProject_Add(v8_extprj
URL ${PROJECT_SOURCE_DIR}/deps/v8
BUILD_IN_SOURCE True
BUILD_COMMAND sh -c "${compile_cmd}"
SOURCE_DIR ${PROJECT_BINARY_DIR}/deps/v8
# ignore this stuff, it's not needed for building v8 but ExternalProject
# demands these steps
CONFIGURE_COMMAND "true" # fake configure
INSTALL_COMMAND "true" # fake install
)
add_dependencies(node v8_extprj)
else()
# copy v8 sources inefficiently with CMake versions <2.8
file(GLOB_RECURSE v8_sources RELATIVE ${PROJECT_SOURCE_DIR} deps/v8/*)
if(NOT ${in_source_build})
file(MAKE_DIRECTORY ${PROJECT_BINARY_DIR}/deps/v8)
foreach(FILE ${v8_sources})
add_custom_command(OUTPUT ${PROJECT_BINARY_DIR}/${FILE}
COMMAND ${CMAKE_COMMAND} -E copy_if_different ${PROJECT_SOURCE_DIR}/${FILE} ${PROJECT_BINARY_DIR}/${FILE}
DEPENDS ${PROJECT_SOURCE_DIR}/${FILE}
)
list(APPEND v8_sources_dest ${PROJECT_BINARY_DIR}/${FILE})
endforeach()
else()
set(v8_sources_dest ${v8_sources})
endif()
add_custom_command(
OUTPUT ${PROJECT_BINARY_DIR}/deps/v8/${v8_fn}
COMMAND sh -c "${compile_cmd}"
WORKING_DIRECTORY ${PROJECT_BINARY_DIR}/deps/v8/
DEPENDS ${v8_sources_dest}
)
add_custom_target(v8_stock ALL DEPENDS ${PROJECT_BINARY_DIR}/deps/v8/${v8_fn})
set_property(TARGET v8 PROPERTY
IMPORTED_LOCATION ${PROJECT_BINARY_DIR}/deps/v8/${v8_fn})
add_dependencies(node v8_stock)
endif()
endif()
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