diff options
Diffstat (limited to 'mesonbuild/compilers.py')
| -rw-r--r-- | mesonbuild/compilers.py | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/mesonbuild/compilers.py b/mesonbuild/compilers.py index d0950ef..492b790 100644 --- a/mesonbuild/compilers.py +++ b/mesonbuild/compilers.py @@ -709,11 +709,12 @@ int main(int argc, char **argv) { # glibc defines functions that are not available on Linux as stubs that # fail with ENOSYS (such as e.g. lchmod). In this case we want to fail # instead of detecting the stub as a valid symbol. - templ += ''' + stubs_fail = ''' #if defined __stub_{1} || defined __stub___{1} fail fail fail this function is not going to work #endif ''' + templ += stubs_fail # And finally the actual function call templ += ''' @@ -736,8 +737,9 @@ int main(int argc, char **argv) { extra_args += self.get_no_optimization_args() # Sometimes the implementation is provided by the header, or the header # redefines the symbol to be something else. In that case, we want to - # still detect the function. - if self.links('{0}\nint main() {{ {1}; }}'.format(prefix, funcname), extra_args): + # still detect the function. We still want to fail if __stub_foo or + # _stub_foo are defined, of course. + if self.links('{0}\n' + stubs_fail + '\nint main() {{ {1}; }}'.format(prefix, funcname), extra_args): return True # Some functions like alloca() are defined as compiler built-ins which # are inlined by the compiler, so test for that instead. Built-ins are |