rt-thread/components/libc/compilers/musl/SConscript

import os
from building import *
Import('rtconfig')

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

if rtconfig.PLATFORM == 'gcc' and GetDepend('RT_USING_MUSL') and not GetDepend('RT_USING_MLIB'):
        CPPDEFINES = ['__STDC_ISO_10646__=201206L', '_STDC_PREDEF_H']
        LIBS       = ['c', 'gcc']

        if os.path.exists(os.path.join(cwd, 'libc', 'lib', 'libc.a')):
            CFLAGS     = ' -nostdinc'
            CPPPATH    = [cwd, cwd + '/libc/include']
            LIBPATH    = [cwd + '/libc/lib']

            group = DefineGroup('musl', src, depend = ['RT_USING_LIBC', 'RT_USING_MUSL'], CFLAGS = CFLAGS, 
                CPPPATH = CPPPATH, CPPDEFINES = CPPDEFINES, LIBS = LIBS, LIBPATH = LIBPATH)
        else:
            CPPPATH    = [cwd]
            LINKFLAGS = ' --specs=kernel.specs'
            group = DefineGroup('musl', src, depend = ['RT_USING_LIBC', 'RT_USING_MUSL'], CPPPATH = CPPPATH, LINKFLAGS = LINKFLAGS, 
                CPPDEFINES = CPPDEFINES, LIBS = LIBS)

Return('group')