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ceph/cmake/modules/Builduring.cmake
Kefu Chai e25c046f31 cmake: pass "CC" using configure when building liburing
since liburing's configure checks the CC and CXX env variables, let's
pass them when calling "configure". otherwise "make" still uses gcc and
g++ by default as they are specified in the "configure" script. this
also matches with the way how debian/rules calls "make".

Signed-off-by: Kefu Chai <kchai@redhat.com>
2021-04-27 13:36:23 +08:00

40 lines
1.3 KiB
CMake

function(build_uring)
include(FindMake)
find_make("MAKE_EXECUTABLE" "make_cmd")
if(EXISTS "${PROJECT_SOURCE_DIR}/src/liburing/configure")
set(source_dir_args
SOURCE_DIR "${PROJECT_SOURCE_DIR}/src/liburing")
else()
set(source_dir_args
SOURCE_DIR ${CMAKE_BINARY_DIR}/src/liburing
GIT_REPOSITORY https://github.com/axboe/liburing.git
GIT_TAG "liburing-0.7"
GIT_SHALLOW TRUE
GIT_CONFIG advice.detachedHead=false)
endif()
include(ExternalProject)
ExternalProject_Add(liburing_ext
${source_dir_args}
CONFIGURE_COMMAND env CC=${CMAKE_C_COMPILER} CXX=${CMAKE_CXX_COMPILER} <SOURCE_DIR>/configure
BUILD_COMMAND ${make_cmd} "CFLAGS=${CMAKE_C_FLAGS} -fPIC" -C src -s
BUILD_IN_SOURCE 1
BUILD_BYPRODUCTS "<SOURCE_DIR>/src/liburing.a"
INSTALL_COMMAND ""
UPDATE_COMMAND "")
unset(make_cmd)
ExternalProject_Get_Property(liburing_ext source_dir)
set(URING_INCLUDE_DIR "${source_dir}/src/include")
set(URING_LIBRARY_DIR "${source_dir}/src")
add_library(uring::uring STATIC IMPORTED GLOBAL)
add_dependencies(uring::uring liburing_ext)
file(MAKE_DIRECTORY ${URING_INCLUDE_DIR})
set_target_properties(uring::uring PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES ${URING_INCLUDE_DIR}
IMPORTED_LINK_INTERFACE_LANGUAGES "C"
IMPORTED_LOCATION "${URING_LIBRARY_DIR}/liburing.a")
endfunction()