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Support both C and C++ headers

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This commit is contained in:
leffmann
2016-01-18 22:35:50 +01:00
parent a2ff468955
commit 99adc64850
2 changed files with 18 additions and 10 deletions
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23
common.py
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@ -3,7 +3,7 @@
from fnmatch import fnmatch
from glob import glob
from logging import debug, info, error
from os import path, environ
from os import path
import contextlib
import distutils.spawn
import os
@ -450,12 +450,14 @@ def make(name, target=None, **makevars):
execute('make', *args)
def require_header(header, symbol = False, value = False):
def require_header(header, lang, msg = '', symbol = False, value = False):
debug('require_header "%s"', header)
cmd = environ['CC'].split() + ['-fsyntax-only', '-x', 'c', '-']
proc = subprocess.Popen(cmd, stdin = subprocess.PIPE, env = environ)
stdin_line = '#include ' + header
cmd = {'c':'{cc}', 'c++':'{cxx}'}[lang]
cmd = fill_in(cmd).split() + ['-fsyntax-only', '-x', lang, '-']
proc = subprocess.Popen(cmd, stdin = subprocess.PIPE, stdout = subprocess.PIPE, stderr = subprocess.PIPE)
stdin_line = '#include <' + header + '>'
if symbol:
if value:
stdin_line += """\n#if %s != %s
@ -466,11 +468,16 @@ def require_header(header, symbol = False, value = False):
#error
#endif """ % (symbol)
proc.communicate(stdin_line)
(result_stdout, result_stderr) = proc.communicate(stdin_line)
proc.wait()
if proc.returncode != 0:
panic('require_header "%s" failed', header)
cmd = ' '.join(cmd)
if proc.returncode == 0:
debug('output from "%s":\n%s', cmd, result_stdout)
else:
debug('error output from "%s":\n%s', cmd, result_stderr)
panic('require_header failed: %s', msg)
__all__ = ['setvar', 'panic', 'cmpver', 'find_executable', 'chmod', 'execute',