rt-thread/components/libc/compilers/gcc/newlib/SConscript

from building import *
Import('rtconfig')

src = []
cwd = GetCurrentDir()
group = []
LIBS = ['m'] # link libm
CPPPATH = [cwd]

if rtconfig.PLATFORM == 'gcc':
    if GetDepend('RT_USING_LIBC'):
        LIBS += ['c'] # link libc
        src += Glob('*.c')
    else:
        src += ['syscalls.c']

    # identify this is Newlib, and only enable POSIX.1-1990
    CPPDEFINES = ['RT_USING_NEWLIB', '_POSIX_C_SOURCE=1']

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

Return('group')