diff options
-rw-r--r-- | numpy/core/setup.py | 27 |
1 files changed, 20 insertions, 7 deletions
diff --git a/numpy/core/setup.py b/numpy/core/setup.py index b03e9f990..56955262f 100644 --- a/numpy/core/setup.py +++ b/numpy/core/setup.py @@ -654,16 +654,29 @@ def configuration(parent_package='',top_path=None): # but we cannot use add_installed_pkg_config here either, so we only # update the substitution dictionary during npymath build config_cmd = config.get_config_cmd() - # Check that the toolchain works, to fail early if it doesn't # (avoid late errors with MATHLIB which are confusing if the # compiler does not work). - st = config_cmd.try_link('int main(void) { return 0;}') - if not st: - # rerun the failing command in verbose mode - config_cmd.compiler.verbose = True - config_cmd.try_link('int main(void) { return 0;}') - raise RuntimeError("Broken toolchain: cannot link a simple C program") + for lang, test_code, note in ( + ('c', 'int main(void) { return 0;}', ''), + ('c++', ( + 'int main(void)' + '{ auto x = 0.0; return static_cast<int>(x); }' + ), ( + 'note: A compiler with support for C++11 language ' + 'features is required.' + ) + ), + ): + st = config_cmd.try_link(test_code, lang=lang) + if not st: + # rerun the failing command in verbose mode + config_cmd.compiler.verbose = True + config_cmd.try_link(test_code, lang=lang) + raise RuntimeError( + f"Broken toolchain: cannot link a simple {lang.upper()} " + f"program. {note}" + ) mlibs = check_mathlib(config_cmd) posix_mlib = ' '.join(['-l%s' % l for l in mlibs]) |