pcsx2/cmake/FindLibc.cmake

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CMake
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# Once done, this will define
#
# LIBC_FOUND - system has libc
# LIBC_LIBRARIES - link these to use libc
if(LIBC_LIBRARIES)
set(LIBC_FIND_QUIETLY TRUE)
endif(LIBC_LIBRARIES)
find_library(libdl NAMES dl)
find_library(libm NAMES m)
# OSX doesn't have rt. On Linux timer and aio dependency.
if(APPLE)
set(LIBC_LIBRARIES ${librt} ${libdl} ${libm})
else()
find_library(librt NAMES rt)
set(LIBC_LIBRARIES ${librt} ${libdl} ${libm})
endif()
# handle the QUIETLY and REQUIRED arguments and set LIBC_FOUND to TRUE if
# all listed variables are TRUE
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(Libc DEFAULT_MSG LIBC_LIBRARIES)
mark_as_advanced(LIBC_LIBRARIES)