closes bpo-37965: Fix compiler warning of distutils CCompiler.test_function. (GH...

https://bugs.python.org/issue37965

https://bugs.python.org/issue37965

Automerge-Triggered-By: @benjaminp
(cherry picked from commit 55aabee07501e1468082b3237620e4ecd75c5da6)

Co-authored-by: Anonymous Maarten <madebr@users.noreply.github.com>

diff --git a/Lib/distutils/ccompiler.py b/Lib/distutils/ccompiler.py
index 88a910c6810ffd5817bfa93136a81febcef486ee..3a7b5b84e1a81395cef5833044e893c27f1f08ad 100644 (file)
--- a/Lib/distutils/ccompiler.py
+++ b/Lib/distutils/ccompiler.py
@@ -748,8 +748,9 @@ class CCompiler:
             for incl in includes:
                 f.write("""#include "%s"\n""" % incl)
             f.write("""\
-main (int argc, char **argv) {
+int main (int argc, char **argv) {
     %s();
+    return 0;
 }
 """ % funcname)
         finally:

diff --git a/Misc/NEWS.d/next/Library/2019-08-28-14-04-18.bpo-37965.7xGE-C.rst b/Misc/NEWS.d/next/Library/2019-08-28-14-04-18.bpo-37965.7xGE-C.rst
new file mode 100644 (file)
index 0000000..116a9e4
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2019-08-28-14-04-18.bpo-37965.7xGE-C.rst
@@ -0,0 +1 @@
+Fix C compiler warning caused by distutils.ccompiler.CCompiler.has_function.