FEAT: add check_gcc_function_attribute check.

1 files changed, 17 insertions, 0 deletions

diff --git a/numpy/distutils/command/autodist.py b/numpy/distutils/command/autodist.py
index 1b9b1dd57..5602f3857 100644
--- a/numpy/distutils/command/autodist.py
+++ b/numpy/distutils/command/autodist.py
@@ -41,3 +41,20 @@ main()
 }
 """
     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 = """
+int %s %s(void*);
+
+int
+main()
+{
+}
+""" % (attribute, name)
+    ret, output = cmd.try_output_compile(body, None, None)
+    if not ret or len(output) > 0:
+        return False
+    return True