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#
# A macro to build the bundled libev
macro(libev_build)
set(ev_compile_flags)
set(ev_link_libraries)
if (CC_HAS_WNO_UNUSED_RESULT)
set(ev_compile_flags "${ev_compile_flags} -Wno-unused-value")
endif()
if (CC_HAS_WNO_COMMENT)
set(ev_compile_flags "${ev_compile_flags} -Wno-comment")
endif()
if (CC_HAS_FNO_STRICT_ALIASING)
set(ev_compile_flags "${ev_compile_flags} -fno-strict-aliasing")
endif()
if (CC_HAS_WNO_PARENTHESES)
set(ev_compile_flags "${ev_compile_flags} -Wno-parentheses")
endif()
set(ev_compile_flags "${ev_compile_flags} -DENABLE_BUNDLED_LIBEV=1")
if (TARGET_OS_LINUX)
#
# Enable Linux-specific event notification API (man inotify)
set(ev_compile_flags "${ev_compile_flags} -DEV_USE_INOTIFY")
elseif (TARGET_OS_FREEBSD)
#
# On FreeBSD build libev loop on top of
set(ev_compile_flags "${ev_compile_flags} -DEV_USE_KQUEUE")
endif()
list(APPEND ev_link_libraries "m")
if (TARGET_OS_DEBIAN_FREEBSD)
# libev depends on librt under kFreeBSD
list(APPEND ev_link_libraries "rt")
else()
endif()
set(libev_src
${PROJECT_SOURCE_DIR}/third_party/tarantool_ev.c
)
add_library(ev STATIC ${libev_src})
set_target_properties(ev PROPERTIES COMPILE_FLAGS "${ev_compile_flags}")
target_link_libraries(ev ${ev_link_libraries})
set(LIBEV_INCLUDE_DIR ${PROJECT_BINARY_DIR}/third_party)
set(LIBEV_LIBRARIES ev)
message(STATUS "Use bundled libev includes: "
"${LIBEV_INCLUDE_DIR}/tarantool_ev.h")
message(STATUS "Use bundled libev library: "
"${LIBEV_LIBRARIES}")
unset(ev_src)
unset(ev_compile_flags)
unset(ev_link_libraries)
endmacro(libev_build)
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