Viewing file: autodist.py (2 KB) -rw-r--r-- Select action/file-type: (+) | (+) | (+) | Code (+) | Session (+) | (+) | SDB (+) | (+) | (+) | (+) | (+) | (+) |
"""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_restrict(cmd): """Return the restrict identifier (may be empty).""" cmd._check_compiler() body = """ static int static_func (char * %(restrict)s a) { return 0; } """
for kw in ['restrict', '__restrict__', '__restrict']: st = cmd.try_compile(body % {'restrict': 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 0; } """ return cmd.try_compile(body, None, None)
def check_gcc_function_attribute(cmd, attribute, name): """Return True if the given function attribute is supported.""" cmd._check_compiler() body = """ #pragma GCC diagnostic error "-Wattributes" #pragma clang diagnostic error "-Wattributes"
int %s %s(void*);
int main() { return 0; } """ % (attribute, name) return cmd.try_compile(body, None, None) != 0
def check_gcc_variable_attribute(cmd, attribute): """Return True if the given variable attribute is supported.""" cmd._check_compiler() body = """ #pragma GCC diagnostic error "-Wattributes" #pragma clang diagnostic error "-Wattributes"
int %s foo;
int main() { return 0; } """ % (attribute, ) return cmd.try_compile(body, None, None) != 0
|