From cae55542d23e606dde9819d5dadd7430085fcc77 Mon Sep 17 00:00:00 2001
From: Christian Heimes <christian@python.org>
Date: Wed, 5 Jan 2022 11:54:17 +0200
Subject: [PATCH] bpo-46263: Don't use MULTIARCH on FreeBSD (#30410)

---
 .../2022-01-05-02-58-10.bpo-46263.xiv8NU.rst    |  1 +
 configure                                       | 17 ++++++++++++++---
 configure.ac                                    | 13 +++++++++----
 3 files changed, 24 insertions(+), 7 deletions(-)
 create mode 100644 Misc/NEWS.d/next/Build/2022-01-05-02-58-10.bpo-46263.xiv8NU.rst

diff --git a/Misc/NEWS.d/next/Build/2022-01-05-02-58-10.bpo-46263.xiv8NU.rst b/Misc/NEWS.d/next/Build/2022-01-05-02-58-10.bpo-46263.xiv8NU.rst
new file mode 100644
index 00000000000..3a575ed7f55
--- /dev/null
+++ b/Misc/NEWS.d/next/Build/2022-01-05-02-58-10.bpo-46263.xiv8NU.rst
@@ -0,0 +1 @@
+``configure`` no longer sets ``MULTIARCH`` on FreeBSD platforms.
diff --git a/configure b/configure
index eca63518dbc..b99b9f5e8d1 100755
--- a/configure
+++ b/configure
@@ -6091,10 +6091,20 @@ $as_echo "none" >&6; }
 fi
 rm -f conftest.c conftest.out
 
-if test x$PLATFORM_TRIPLET != xdarwin; then
-  MULTIARCH=$($CC --print-multiarch 2>/dev/null)
-fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for multiarch" >&5
+$as_echo_n "checking for multiarch... " >&6; }
+case $ac_sys_system in #(
+  Darwin*) :
+    MULTIARCH="" ;; #(
+  FreeBSD*) :
+    MULTIARCH="" ;; #(
+  *) :
+    MULTIARCH=$($CC --print-multiarch 2>/dev/null)
+ ;;
+esac
 
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $MULTIARCH" >&5
+$as_echo "$MULTIARCH" >&6; }
 
 if test x$PLATFORM_TRIPLET != x && test x$MULTIARCH != x; then
   if test x$PLATFORM_TRIPLET != x$MULTIARCH; then
@@ -6104,6 +6114,7 @@ elif test x$PLATFORM_TRIPLET != x && test x$MULTIARCH = x; then
   MULTIARCH=$PLATFORM_TRIPLET
 fi
 
+
 if test x$MULTIARCH != x; then
   MULTIARCH_CPPFLAGS="-DMULTIARCH=\\\"$MULTIARCH\\\""
 fi
diff --git a/configure.ac b/configure.ac
index 050b907ac86..d9bdf9f8c66 100644
--- a/configure.ac
+++ b/configure.ac
@@ -987,10 +987,14 @@ else
 fi
 rm -f conftest.c conftest.out
 
-if test x$PLATFORM_TRIPLET != xdarwin; then
-  MULTIARCH=$($CC --print-multiarch 2>/dev/null)
-fi
-AC_SUBST(MULTIARCH)
+AC_MSG_CHECKING([for multiarch])
+AS_CASE([$ac_sys_system],
+  [Darwin*], [MULTIARCH=""],
+  [FreeBSD*], [MULTIARCH=""],
+  [MULTIARCH=$($CC --print-multiarch 2>/dev/null)]
+)
+AC_SUBST([MULTIARCH])
+AC_MSG_RESULT([$MULTIARCH])
 
 if test x$PLATFORM_TRIPLET != x && test x$MULTIARCH != x; then
   if test x$PLATFORM_TRIPLET != x$MULTIARCH; then
@@ -1000,6 +1004,7 @@ elif test x$PLATFORM_TRIPLET != x && test x$MULTIARCH = x; then
   MULTIARCH=$PLATFORM_TRIPLET
 fi
 AC_SUBST(PLATFORM_TRIPLET)
+
 if test x$MULTIARCH != x; then
   MULTIARCH_CPPFLAGS="-DMULTIARCH=\\\"$MULTIARCH\\\""
 fi