Grissiom 8ad12057c4 Newlib: link with libm in default.
libm is a frequently used lib. Newlib is compiled with
-ffunction-sections in recent GCC tool chains. The linker would just
link in the functions that have been referenced. So setting this won't
result in bigger text size.
2013-01-11 15:13:11 +08:00

23 lines
744 B
Python

Import('rtconfig')
from building import *
if GetDepend('RT_USING_NEWLIB') and rtconfig.CROSS_TOOL != 'gcc':
print '================ERROR============================'
print 'Please use GNU GCC compiler if using newlib'
print '================================================='
exit(0)
cwd = GetCurrentDir()
src = Glob('*.c')
CPPPATH = [cwd]
# link with libm in default.
# libm is a frequently used lib. Newlib is compiled with -ffunction-sections in
# recent GCC tool chains. The linker would just link in the functions that have
# been referenced. So setting this won't result in bigger text size.
Env.Append(LIBS = ['m'])
group = DefineGroup('newlib', src, depend = ['RT_USING_NEWLIB'], CPPPATH = CPPPATH)
Return('group')