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# This script is pasted from https://github.com/neovim/neovim/blob/master/cmake/FindLibUV.cmake
#
# - Try to find libuv
# Once done, this will define
#
# LIBUV_FOUND - system has libuv
# LIBUV_INCLUDE_DIRS - the libuv include directories
# LIBUV_LIBRARIES - link these to use libuv
#
# Set the LIBUV_USE_STATIC variable to specify if static libraries should
# be preferred to shared ones.
if(NOT USE_BUNDLED_LIBUV)
find_package(PkgConfig)
if (PKG_CONFIG_FOUND)
pkg_check_modules(PC_LIBUV QUIET libuv)
endif()
else()
set(PC_LIBUV_INCLUDEDIR)
set(PC_LIBUV_INCLUDE_DIRS)
set(PC_LIBUV_LIBDIR)
set(PC_LIBUV_LIBRARY_DIRS)
set(LIMIT_SEARCH NO_DEFAULT_PATH)
endif()
find_path(LIBUV_INCLUDE_DIR uv.h
HINTS ${PC_LIBUV_INCLUDEDIR} ${PC_LIBUV_INCLUDE_DIRS}
${LIMIT_SEARCH})
# If we're asked to use static linkage, add libuv.a as a preferred library name.
if(LIBUV_USE_STATIC)
list(APPEND LIBUV_NAMES
"${CMAKE_STATIC_LIBRARY_PREFIX}uv${CMAKE_STATIC_LIBRARY_SUFFIX}")
endif(LIBUV_USE_STATIC)
list(APPEND LIBUV_NAMES uv)
find_library(LIBUV_LIBRARY NAMES ${LIBUV_NAMES}
HINTS ${PC_LIBUV_LIBDIR} ${PC_LIBUV_LIBRARY_DIRS}
${LIMIT_SEARCH})
mark_as_advanced(LIBUV_INCLUDE_DIR LIBUV_LIBRARY)
if(PC_LIBUV_LIBRARIES)
list(REMOVE_ITEM PC_LIBUV_LIBRARIES uv)
endif()
set(LIBUV_LIBRARIES ${LIBUV_LIBRARY} ${PC_LIBUV_LIBRARIES})
set(LIBUV_INCLUDE_DIRS ${LIBUV_INCLUDE_DIR})
# Deal with the fact that libuv.pc is missing important dependency information.
include(CheckLibraryExists)
check_library_exists(dl dlopen "dlfcn.h" HAVE_LIBDL)
if(HAVE_LIBDL)
list(APPEND LIBUV_LIBRARIES dl)
endif()
check_library_exists(kstat kstat_lookup "kstat.h" HAVE_LIBKSTAT)
if(HAVE_LIBKSTAT)
list(APPEND LIBUV_LIBRARIES kstat)
endif()
check_library_exists(kvm kvm_open "kvm.h" HAVE_LIBKVM)
if(HAVE_LIBKVM AND NOT CMAKE_SYSTEM_NAME STREQUAL "OpenBSD")
list(APPEND LIBUV_LIBRARIES kvm)
endif()
check_library_exists(nsl gethostbyname "nsl.h" HAVE_LIBNSL)
if(HAVE_LIBNSL)
list(APPEND LIBUV_LIBRARIES nsl)
endif()
check_library_exists(perfstat perfstat_cpu "libperfstat.h" HAVE_LIBPERFSTAT)
if(HAVE_LIBPERFSTAT)
list(APPEND LIBUV_LIBRARIES perfstat)
endif()
check_library_exists(rt clock_gettime "time.h" HAVE_LIBRT)
if(HAVE_LIBRT)
list(APPEND LIBUV_LIBRARIES rt)
endif()
check_library_exists(sendfile sendfile "" HAVE_LIBSENDFILE)
if(HAVE_LIBSENDFILE)
list(APPEND LIBUV_LIBRARIES sendfile)
endif()
if(WIN32)
# check_library_exists() does not work for Win32 API calls in X86 due to name
# mangling calling conventions
list(APPEND LIBUV_LIBRARIES iphlpapi)
list(APPEND LIBUV_LIBRARIES psapi)
list(APPEND LIBUV_LIBRARIES userenv)
list(APPEND LIBUV_LIBRARIES ws2_32)
endif()
include(FindPackageHandleStandardArgs)
# handle the QUIETLY and REQUIRED arguments and set LIBUV_FOUND to TRUE
# if all listed variables are TRUE
find_package_handle_standard_args(LibUV DEFAULT_MSG
LIBUV_LIBRARY LIBUV_INCLUDE_DIR)
mark_as_advanced(LIBUV_INCLUDE_DIR LIBUV_LIBRARY)
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