Unpack waf; try to fix up debian/copyright.

[libcxml.git] / waflib / Tools / flex.py

diff --git a/waflib/Tools/flex.py b/waflib/Tools/flex.py
new file mode 100644 (file)
index 0000000..7a04074
--- /dev/null
+++ b/waflib/Tools/flex.py
@@ -0,0 +1,32 @@
+#! /usr/bin/env python
+# encoding: utf-8
+# WARNING! Do not edit! https://waf.io/book/index.html#_obtaining_the_waf_file
+
+import waflib.TaskGen,os,re
+def decide_ext(self,node):
+       if'cxx'in self.features:
+               return['.lex.cc']
+       return['.lex.c']
+def flexfun(tsk):
+       env=tsk.env
+       bld=tsk.generator.bld
+       wd=bld.variant_dir
+       def to_list(xx):
+               if isinstance(xx,str):return[xx]
+               return xx
+       tsk.last_cmd=lst=[]
+       lst.extend(to_list(env['FLEX']))
+       lst.extend(to_list(env['FLEXFLAGS']))
+       inputs=[a.path_from(bld.bldnode)for a in tsk.inputs]
+       if env.FLEX_MSYS:
+               inputs=[x.replace(os.sep,'/')for x in inputs]
+       lst.extend(inputs)
+       lst=[x for x in lst if x]
+       txt=bld.cmd_and_log(lst,cwd=wd,env=env.env or None,quiet=0)
+       tsk.outputs[0].write(txt.replace('\r\n','\n').replace('\r','\n'))
+waflib.TaskGen.declare_chain(name='flex',rule=flexfun,ext_in='.l',decider=decide_ext,)
+def configure(conf):
+       conf.find_program('flex',var='FLEX')
+       conf.env.FLEXFLAGS=['-t']
+       if re.search(r"\\msys\\[0-9.]+\\bin\\flex.exe$",conf.env.FLEX[0]):
+               conf.env.FLEX_MSYS=True