def check_inline(cmd: Config) -> str:
"""Return the inline identifier (may be empty)."""
body = textwrap.dedent("""
#ifndef __cplusplus
static %(inline)s int static_func (void)
{
return 0;
}
%(inline)s int nostatic_func (void)
{
return 0;
}
#endif
int main(void) {
int r1 = static_func();
int r2 = nostatic_func();
return r1 + r2;
}
""")
for kw in ["inline", "__inline__", "__inline"]:
st = cmd.try_compile(body % {"inline": kw}, None, None)
if st:
return kw
return ""
def check_gcc_function_attribute(cmd: Config, attribute: str, name: str) -> bool:
"""Return True if the given function attribute is supported."""
if is_gcc(cmd):
pragma = '#pragma GCC diagnostic error "-Wattributes"'
elif is_clang(cmd):
pragma = '#pragma clang diagnostic error "-Wattributes"'
else:
pragma = ""
body = (
textwrap.dedent(
"""
%s
int %s %s(void*);
int main(void)
{
return 0;
}
"""
)
% (pragma, attribute, name)
)
if cmd.try_compile(body, None, None):
return True
else:
return False