47 def symlink(target, source, env):  argument
54 def install(env, source, subdir):  argument
58 def install_program(env, source):  argument
61 def install_shared_library(env, sources, version = ()):  argument
85 def msvc2013_compat(env):  argument
93 def unit_test(env, test_name, program_target, args=None):  argument
127 def check_cc(env, cc, expr, cpp_opt = '-E'):  argument
148 def check_header(env, header):  argument
160 def check_functions(env, functions):  argument
173 def check_prog(env, prog):  argument
184 def generate(env):  argument
695 def exists(env):  argument