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"""This module implements additional tests ala autoconf which can be useful.
"""
from __future__ import division, absolute_import, print_function
# We put them here since they could be easily reused outside numpy.distutils
def check_inline(cmd):
"""Return the inline identifier (may be empty)."""
cmd._check_compiler()
body = """
#ifndef __cplusplus
static %(inline)s int static_func (void)
{
return 0;
}
%(inline)s int nostatic_func (void)
{
return 0;
}
#endif"""
for kw in ['inline', '__inline__', '__inline']:
st = cmd.try_compile(body % {'inline': kw}, None, None)
if st:
return kw
return ''
def check_compiler_gcc4(cmd):
"""Return True if the C compiler is GCC 4.x."""
cmd._check_compiler()
body = """
int
main()
{
#if (! defined __GNUC__) || (__GNUC__ < 4)
#error gcc >= 4 required
#endif
}
"""
return cmd.try_compile(body, None, None)
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