From: Kien Dang <kiend@pm.me>
Date: Mon, 26 Feb 2024 20:04:44 +0000 (+0700)
Subject: bpo-45101: Add consistency in usage message IO between 2 versions of python-config... 
X-Git-Tag: v3.13.0a5~223
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=de2a73dc4649b110351fce789de0abb14c460b97;p=thirdparty%2FPython%2Fcpython.git

bpo-45101: Add consistency in usage message IO between 2 versions of python-config (GH-28162)

On --help output to stdout.
On error output to stderr.
---

diff --git a/Misc/NEWS.d/next/Tools-Demos/2021-09-05-02-47-48.bpo-45101.60Zqmt.rst b/Misc/NEWS.d/next/Tools-Demos/2021-09-05-02-47-48.bpo-45101.60Zqmt.rst
new file mode 100644
index 000000000000..48a09da78229
--- /dev/null
+++ b/Misc/NEWS.d/next/Tools-Demos/2021-09-05-02-47-48.bpo-45101.60Zqmt.rst
@@ -0,0 +1 @@
+Add consistency in usage message IO between 2 versions of python-config.
diff --git a/Misc/python-config.in b/Misc/python-config.in
index 81c3316e334a..dd5d161ab228 100644
--- a/Misc/python-config.in
+++ b/Misc/python-config.in
@@ -13,7 +13,8 @@ valid_opts = ['prefix', 'exec-prefix', 'includes', 'libs', 'cflags',
 
 def exit_with_usage(code=1):
     print("Usage: {0} [{1}]".format(
-        sys.argv[0], '|'.join('--'+opt for opt in valid_opts)), file=sys.stderr)
+        sys.argv[0], '|'.join('--'+opt for opt in valid_opts)),
+        file=sys.stdout if code == 0 else sys.stderr)
     sys.exit(code)
 
 try:
diff --git a/Misc/python-config.sh.in b/Misc/python-config.sh.in
index 2602fe24c040..eb02223ddcd2 100644
--- a/Misc/python-config.sh.in
+++ b/Misc/python-config.sh.in
@@ -4,7 +4,12 @@
 
 exit_with_usage ()
 {
-    echo "Usage: $0 --prefix|--exec-prefix|--includes|--libs|--cflags|--ldflags|--extension-suffix|--help|--abiflags|--configdir|--embed"
+    local USAGE="Usage: $0 --prefix|--exec-prefix|--includes|--libs|--cflags|--ldflags|--extension-suffix|--help|--abiflags|--configdir|--embed"
+    if [[ "$1" -eq 0 ]]; then
+        echo "$USAGE"
+    else
+        echo "$USAGE" >&2
+    fi
     exit $1
 }