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cmake: check version of boost in src/boost

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after bumping up the required boost version, old copy of boost in
src/boost will not work. so we need to error out early.

Signed-off-by: Kefu Chai <kchai@redhat.com>
This commit is contained in:
Kefu Chai 2018-01-11 12:57:04 +08:00
parent 9d788c6a5b
commit fd5a522928
1 changed files with 26 additions and 2 deletions
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28
cmake/modules/BuildBoost.cmake
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@ -11,6 +11,30 @@
# Boost_USE_MULTITHREADED : boolean (default: OFF)
# BOOST_J: integer (defanult 1)
function(check_boost_version source_dir expected_version)
set(version_hpp "${source_dir}/boost/version.hpp")
if(NOT EXISTS ${version_hpp})
message(FATAL_ERROR "${version_hpp} not found. Please either \"rm -rf ${source_dir}\" "
"so I can download Boost v${expected_version} for you, or make sure ${source_dir} "
"contains a full copy of Boost v${expected_version}.")
endif()
file(STRINGS "${version_hpp}" BOOST_VERSION_LINE
REGEX "^#define[ \t]+BOOST_VERSION[ \t]+[0-9]+$")
string(REGEX REPLACE "^#define[ \t]+BOOST_VERSION[ \t]+([0-9]+)$"
"\\1" BOOST_VERSION "${BOOST_VERSION_LINE}")
math(EXPR BOOST_VERSION_PATCH "${BOOST_VERSION} % 100")
math(EXPR BOOST_VERSION_MINOR "${BOOST_VERSION} / 100 % 1000")
math(EXPR BOOST_VERSION_MAJOR "${BOOST_VERSION} / 100000")
set(version "${BOOST_VERSION_MAJOR}.${BOOST_VERSION_MINOR}.${BOOST_VERSION_PATCH}")
if(version VERSION_LESS expected_version)
message(FATAL_ERROR "Boost v${version} in ${source_dir} is not new enough. "
"Please either \"rm -rf ${source_dir}\" so I can download Boost v${expected_version} "
"for you, or make sure ${source_dir} contains a copy of Boost v${expected_version}.")
else()
message(STATUS "boost (${version} >= ${expected_version}) already in ${source_dir}")
endif()
endfunction()
function(do_build_boost version)
cmake_parse_arguments(Boost_BUILD "" "" COMPONENTS ${ARGN})
set(boost_features "variant=release")
@ -76,7 +100,7 @@ function(do_build_boost version)
${b2} install)
set(boost_root_dir "${CMAKE_BINARY_DIR}/boost")
if(EXISTS "${PROJECT_SOURCE_DIR}/src/boost/bootstrap.sh")
message(STATUS "boost already in src")
check_boost_version("${PROJECT_SOURCE_DIR}/src/boost" ${version})
set(source_dir
SOURCE_DIR "${PROJECT_SOURCE_DIR}/src/boost")
elseif(version VERSION_GREATER 1.66)
@ -115,7 +139,7 @@ function(do_build_boost version)
endfunction()
macro(build_boost version)
do_build_boost(version ${ARGN})
do_build_boost(${version} ${ARGN})
ExternalProject_Get_Property(Boost install_dir)
set(Boost_INCLUDE_DIRS ${install_dir}/include)
set(Boost_INCLUDE_DIR ${install_dir}/include)