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Try to de-duplicate environment-provided flags such as CFLAGS or LINKFLAGS

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This commit is contained in:
Thomas Nagy 2015-12-24 22:52:19 +01:00
parent d1fdf2f16a
commit 8d3111235f
1 changed files with 1 additions and 2 deletions
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3
waflib/Configure.py
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@ -347,7 +347,7 @@ def conf(f):
return f
@conf
def add_os_flags(self, var, dest=None, dup=True):
def add_os_flags(self, var, dest=None, dup=False):
"""
Import operating system environment values into ``conf.env`` dict::
@ -365,7 +365,6 @@ def add_os_flags(self, var, dest=None, dup=True):
flags = shlex.split(self.environ[var])
except KeyError:
return
# TODO: in waf 1.9, make dup=False the default
if dup or ''.join(flags) not in ''.join(Utils.to_list(self.env[dest or var])):
self.env.append_value(dest or var, flags)