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waf: ensure we don't build a library twice

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This commit is contained in:
Andrew Tridgell 2016-05-10 14:21:43 +10:00
parent 9f84a22d22
commit fcd7611248
1 changed files with 6 additions and 1 deletions
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7
Tools/ardupilotwaf/ardupilotwaf.py
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@ -6,6 +6,7 @@ from waflib import Logs, Options, Utils
from waflib.Build import BuildContext
from waflib.Configure import conf
import os.path, os
from collections import OrderedDict
SOURCE_EXTS = [
'*.S',
@ -153,6 +154,10 @@ def _get_next_idx():
LAST_IDX += 1
return LAST_IDX
def unique_list(items):
'''remove duplicate elements from a list while maintaining ordering'''
return list(OrderedDict.fromkeys(items))
@conf
def ap_stlib(bld, **kw):
if 'name' not in kw:
@ -163,7 +168,7 @@ def ap_stlib(bld, **kw):
bld.fatal('Missing libraries for ap_stlib')
sources = []
libraries = kw['libraries'] + bld.env.AP_LIBRARIES
libraries = unique_list(kw['libraries'] + bld.env.AP_LIBRARIES)
for lib_name in libraries:
lib_node = bld.srcnode.find_dir('libraries/' + lib_name)