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waf
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Let write_config_header use env.WAF_CONFIG_H_PRELUDE 

A prelude will be added from the variable env.WAF_CONFIG_H_PRELUDE if provided. This
can be used to insert complex macros or include guards::

    def configure(conf):
        conf.env.WAF_CONFIG_H_PRELUDE = '#include <unistd.h>\\n'
        conf.write_config_header('config.h')
This commit is contained in:
Thomas Nagy 2015-07-11 12:01:26 +02:00
parent 4f93b4e814
commit 0d9a9b7e77
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GPG Key ID: 67A565EDFDF90E64
1 changed files with 17 additions and 3 deletions
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20
waflib/Tools/c_config.py
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@ -867,7 +867,10 @@ def write_config_header(self, configfile='', guard='', top=False, defines=True,
cnf.define('A', 1)
cnf.write_config_header('config.h')
:param configfile: relative path to the file to create
This function only adds include guards (if necessary), consult
:py:func:`waflib.Tools.c_config.get_config_header` for details on the body.
:param configfile: path to the file to create (relative or absolute)
:type configfile: string
:param guard: include guard name to add, by default it is computed from the file name
:type guard: string
@ -896,7 +899,7 @@ def write_config_header(self, configfile='', guard='', top=False, defines=True,
node.write('\n'.join(lst))
# config files are not removed on "waf clean"
# config files must not be removed on "waf clean"
self.env.append_unique(Build.CFG_FILES, [node.abspath()])
if remove:
@ -910,9 +913,16 @@ def get_config_header(self, defines=True, headers=False, define_prefix=''):
Create the contents of a ``config.h`` file from the defines and includes
set in conf.env.define_key / conf.env.include_key. No include guards are added.
A prelude will be added from the variable env.WAF_CONFIG_H_PRELUDE if provided. This
can be used to insert complex macros or include guards::
def configure(conf):
conf.env.WAF_CONFIG_H_PRELUDE = '#include <unistd.h>\\n'
conf.write_config_header('config.h')
:param defines: write the defines values
:type defines: bool
:param headers: write the headers
:param headers: write include entries for each element in self.env.INCKEYS
:type headers: bool
:type define_prefix: string
:param define_prefix: prefix all the defines with a particular prefix
@ -920,6 +930,10 @@ def get_config_header(self, defines=True, headers=False, define_prefix=''):
:rtype: string
"""
lst = []
if self.env.WAF_CONFIG_H_PRELUDE:
lst.append(self.env.WAF_CONFIG_H_PRELUDE)
if headers:
for x in self.env[INCKEYS]:
lst.append('#include <%s>' % x)