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- #! /usr/bin/env python
- def options(opt):
- opt.load('compiler_c')
- def configure(conf):
- conf.load('compiler_c')
- conf.find_program('ldd')
- conf.where_is_shlib(lib='m')
- # --- support code below ---
- import re
- from waflib import Task, TaskGen, Configure
- class ldd_run(Task.Task):
- color = 'PINK'
- run_str = '${LDD} ${SRC} > ${TGT}'
- def post_run(self):
- ret = Task.Task.post_run(self)
- libname = self.generator.lib
- re_libpath = re.compile('lib%s.*\s+=>\s+(\S+%s\S+)\s+' % (libname, libname), re.M)
- m = re_libpath.search(self.outputs[0].read())
- if m:
- self.generator.tmp.append(m.group(1))
- else:
- return ret or 1
- return ret
- @TaskGen.feature('ldd_check')
- @TaskGen.after_method('apply_link')
- def do_ldd_check(self):
- self.create_task('ldd_run', self.link_task.outputs[0], self.path.find_or_declare('ldd.out'))
- @Configure.conf
- def where_is_shlib(self, lib):
- tmp = []
- def check_msg(self):
- return tmp[0]
- self.check(
- fragment = 'int main() { return 0; }\n',
- features = 'c cprogram ldd_check',
- lib = lib,
- linkflags = '-Wl,--no-as-needed',
- msg = 'Where is library %r' % lib,
- define = 'LIBFROM',
- tmp = tmp,
- okmsg = check_msg)
- return tmp[0]
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