Merge pull request #19898 from tchaikov/wip-cmake-build-with-clang

cmake: BuildBoost.cmake: use specified compiler for building boost

Reviewed-By: Casey Bodley <cbodley@redhat.com>
This commit is contained in:
Kefu Chai 2018-01-11 20:48:25 +08:00 committed by GitHub
commit baab5cd25d
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23

View File

@ -49,24 +49,14 @@ function(do_build_boost version)
list(APPEND b2 -d0)
endif()
if(NOT CMAKE_HOST_SYSTEM_PROCESSOR STREQUAL CMAKE_SYSTEM_PROCESSOR)
# we are crosscompiling
if(CMAKE_CXX_COMPILER_ID STREQUAL GNU)
set(b2_cc gcc)
set(toolset gcc)
elseif(CMAKE_CXX_COMPILER_ID STREQUAL Clang)
set(b2_cc clang)
set(toolset clang)
else()
message(SEND_ERROR "unknown compiler: ${CMAKE_CXX_COMPILER_ID}")
endif()
# edit the config.jam so, b2 will be able to use the specified toolset
execute_process(
COMMAND
sed -i
"s|using ${b2_cc} ;|using ${b2_cc} : ${CMAKE_SYSTEM_PROCESSOR} : ${CMAKE_CXX_COMPILER} ;|"
${PROJECT_SOURCE_DIR}/src/boost/project-config.jam)
# use ${CMAKE_SYSTEM_PROCESSOR} as the version identifier of compiler
list(APPEND b2 toolset=${b2_cc}-${CMAKE_SYSTEM_PROCESSOR})
endif()
list(APPEND b2 toolset=${toolset})
set(build_command
${b2} headers stage
@ -112,6 +102,11 @@ function(do_build_boost version)
BUILD_IN_SOURCE 1
INSTALL_COMMAND ${install_command}
PREFIX "${boost_root_dir}")
ExternalProject_Get_Property(Boost source_dir)
# edit the user-config.jam so, so b2 will be able to use the specified
# toolset
file(WRITE ${source_dir}/user-config.jam
"using ${toolset} : : ${CMAKE_CXX_COMPILER} ;")
endfunction()
macro(build_boost version)