rt-thread-official/components/libc/compilers/dlib/SConscript

from building import *
Import('rtconfig')

src   = Glob('*.c')
group = []

CPPDEFINES = ['RT_USING_DLIBC']

if rtconfig.PLATFORM == 'iar':
    if GetDepend('DFS_USING_POSIX'):
        from distutils.version import LooseVersion
        from iar import IARVersion

        CPPDEFINES = CPPDEFINES + ['_DLIB_FILE_DESCRIPTOR']
        if LooseVersion(IARVersion()) < LooseVersion("8.20.1"):
            CPPDEFINES = CPPDEFINES + ['_DLIB_THREAD_SUPPORT']

    group = DefineGroup('libc', src, depend = ['RT_USING_LIBC'], CPPDEFINES = CPPDEFINES)

Return('group')