[Tools] Add _REENT_SMALL definition when enable nano-newlib
@@ -140,6 +140,10 @@ def PrepareBuilding(env, root_directory, has_libcpu=False, remove_components = [
env['LIBLINKSUFFIX'] = '.lib'
env['LIBDIRPREFIX'] = '--userlibpath '
+ if rtconfig.PLATFORM == 'gcc':
+ if env['LINKFLAGS'].find('nano.specs'):
+ env.AppendUnique(CPPDEFINES = ['_REENT_SMALL'])
+
# patch for win32 spawn
if env['PLATFORM'] == 'win32':
win32_spawn = Win32Spawn()
