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authorJelmer Vernooij <jelmer@samba.org>2012-01-04 00:31:27 +0100
committerJelmer Vernooij <jelmer@samba.org>2012-01-04 22:34:20 +0100
commit4f4bce5301ffd8c12aed1b108affa1a75feefb67 (patch)
tree1607accd70a2c37a9b996f7b42ec926b014cfe5b /buildtools/wafadmin/Tools/flex.py
parent1b45f2aed86dda9fda6e6bcf1c9c7cbdc471c18d (diff)
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Include waf as an extracted source directory, rather than as a one-in-a-file script.
Diffstat (limited to 'buildtools/wafadmin/Tools/flex.py')
-rw-r--r--buildtools/wafadmin/Tools/flex.py25
1 files changed, 25 insertions, 0 deletions
diff --git a/buildtools/wafadmin/Tools/flex.py b/buildtools/wafadmin/Tools/flex.py
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+#!/usr/bin/env python
+# encoding: utf-8
+# John O'Meara, 2006
+# Thomas Nagy, 2006-2008
+
+"Flex processing"
+
+import TaskGen
+
+def decide_ext(self, node):
+ if 'cxx' in self.features: return '.lex.cc'
+ else: return '.lex.c'
+
+TaskGen.declare_chain(
+ name = 'flex',
+ rule = '${FLEX} -o${TGT} ${FLEXFLAGS} ${SRC}',
+ ext_in = '.l',
+ ext_out = '.c .cxx',
+ decider = decide_ext
+)
+
+def detect(conf):
+ conf.find_program('flex', var='FLEX', mandatory=True)
+ conf.env['FLEXFLAGS'] = ''
+