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waf/demos/c/wscript
Thomas Nagy e10398fcd3
docs
2015-07-11 20:17:16 +02:00

112 lines
3.5 KiB
Python

#! /usr/bin/env python
# encoding: utf-8
# Thomas Nagy, 2006-2012 (ita)
# the following two variables are used by the target "waf dist"
VERSION='0.0.1'
APPNAME='cc_test'
# if you want to cross-compile, use a different command line:
# CC=mingw-gcc AR=mingw-ar waf configure build
top = '.'
from waflib import Configure, Logs, Utils
#Configure.autoconfig = True # True/False/'clobber'
def options(opt):
opt.load('compiler_c gnu_dirs')
def configure(conf):
conf.load('compiler_c gnu_dirs')
conf.check_cc(fragment="int main() { return 0; }\n")
try:
conf.check_cc(fragment="int main() { return 0; }\n", execute=True) # 1
except conf.errors.WafError:
Logs.warn('You are probably using a cross-compiler (disabling specific configuration tests)')
conf.check_library(test_exec=False)
else:
conf.check_cc(fragment="""#include<stdio.h>\nint main(){fprintf(stderr, "mu"); printf("%d", 22);return 0;}\n""", execute=True, define_name='HAVE_MU')
conf.check_library(test_exec=True)
conf.check_cc(lib='m', cflags='-Wall', defines=['var=foo', 'x=y'], uselib_store='M', mandatory=False)
conf.check_large_file(mandatory=False)
conf.check_inline()
conf.check_endianness()
conf.multicheck(
{'header_name':'stdio.h'},
{'header_name':'unistd.h'},
{'header_name':'stdlib.h'},
msg = 'Checking for standard headers',
mandatory = False
)
conf.check_cc(header_name='stdio.h', auto_add_header_name=True)
#conf.check_cc(header_name='unistd.h')
conf.check_cc(fragment='int main() {return 0;}\n')
conf.write_config_header('config.h')
# exclude system libraries, force a particular folder (see strictlib below)
#conf.check(features='c cprogram strictlib', lib = 'gif', libpath = ['/opt/lib'])
def build(bld):
bld.env.DEFINES=['WAF=1']
bld.recurse('program stlib shlib')
#bld.install_files('/tmp/foo', 'wscript')
#bld.env.PREFIX='/tmp/foo'
bld.install_files('${PREFIX}/', 'program/a.h program/main.c', relative_trick=False)
bld.install_as('${PREFIX}/gnigni.txt', 'wscript')
bld.symlink_as('${PREFIX}/libfoo.so', 'wscript')
p = Utils.subst_vars('${PREFIX}/gnigni.txt', bld.env)
bld.symlink_as('${PREFIX}/share/gnigni-abs.txt', p, relative_trick=False)
bld.symlink_as('${PREFIX}/share/gnigni-rel.txt', p, relative_trick=True)
bld.env.FOO =['m', 'ncurses']
bld.env.ST = '-L%s'
bld(rule='echo ${ST:FOO} ${ST:SRC}', always=True, source='wscript', shell=1)
# illustrate how to add a command 'foo' and to execute things in it
if bld.cmd == 'foo':
def bar(bld):
print('myprogram exit status is',
bld.exec_command(bld.get_tgen_by_name('myprogram').link_task.outputs[0].abspath()))
bld.add_post_fun(bar)
#bld(rule='echo ${SRC} ${tsk.generator.newsize}', newsize='256x256', source='wscript')
# command examples
from waflib.Build import BuildContext
class foo_class(BuildContext):
cmd = 'foo'
from waflib.Context import Context
class package_class(Context):
"""just a test, try calling 'waf package' """
cmd = 'package'
fun = 'package'
def package(ctx):
print('just a test', ctx.path.ant_glob('wscript'))
# and a task generator method example
from waflib import TaskGen
@TaskGen.feature('strictlib')
def check_lib_in_libpath(self):
#For use in a configuration check: raise an exception
#if the library file does not exist in the folders pointed by 'libpath'
pths = self.to_list(getattr(self, 'libpath', []))
if pths:
for l in self.to_list(Utils.to_list(getattr(self, 'lib', []))):
for x in pths:
names = Utils.listdir(x)
lname = self.env.cshlib_PATTERN % l
if lname in names:
break
else:
self.bld.fatal('wrong path for the library %s' % l)