@@ -, +, @@ 
    lang/python3([6-9]|10): disable detection of multiarch
    
    It breaks with clang >= 13, which adds a major.minor version number in
    -print-multiarch output, and the dot confuses Python:
    
    ModuleNotFoundError: No module named '_sysconfigdata__freebsd14_x86_64-unknown-freebsd14'
    
    Since we do not support multiarch, and the configure script has no way
    to disable the multiarch check, stub it out during post-patch.
--- b/lang/python310/Makefile	
+++ b/lang/python310/Makefile	
@@ -124,6 +124,10 @@ post-patch:
 # which introduces hidden dependency and breaks build
 	@${REINPLACE_CMD} -e 's|uuid/uuid.h|ignore_&|' ${WRKSRC}/configure
 	@${REINPLACE_CMD} -e '/find_library_file/ s|uuid|ignore_&|' ${WRKSRC}/setup.py
+# disable detection of multiarch as it breaks with clang >= 13, which adds a
+# major.minor version number in -print-multiarch output, confusing Python
+	@${REINPLACE_CMD} -e 's|^MULTIARCH=.*|MULTIARCH=|' ${WRKSRC}/configure \
+		${WRKSRC}/configure.ac
 # Apply DISABLED_EXTENSIONS
 	@${ECHO_CMD} '*disabled*' > ${WRKSRC}/Modules/Setup.local
 .  for _module in ${DISABLED_EXTENSIONS}
--- b/lang/python36/Makefile	
+++ b/lang/python36/Makefile	
@@ -121,6 +121,12 @@ DISABLED_EXTENSIONS+=	nis
 PLIST_SUB+=	NO_NIS=""
 .endif
 
+post-patch:
+# disable detection of multiarch as it breaks with clang >= 13, which adds a
+# major.minor version number in -print-multiarch output, confusing Python
+	@${REINPLACE_CMD} -e 's|^MULTIARCH=.*|MULTIARCH=|' ${WRKSRC}/configure \
+		${WRKSRC}/configure.ac
+
 post-install:
 .if ! ${PORT_OPTIONS:MDEBUG}
 	${RM} ${STAGEDIR}${PREFIX}/lib/libpython3.so						# Upstream Issue: https://bugs.python.org/issue17975
--- b/lang/python37/Makefile	
+++ b/lang/python37/Makefile	
@@ -111,6 +111,10 @@ post-patch:
 # which introduces hidden dependency and breaks build
 	@${REINPLACE_CMD} -e 's|uuid/uuid.h|ignore_&|' ${WRKSRC}/configure
 	@${REINPLACE_CMD} -e '/find_library_file/ s|uuid|ignore_&|' ${WRKSRC}/setup.py
+# disable detection of multiarch as it breaks with clang >= 13, which adds a
+# major.minor version number in -print-multiarch output, confusing Python
+	@${REINPLACE_CMD} -e 's|^MULTIARCH=.*|MULTIARCH=|' ${WRKSRC}/configure \
+		${WRKSRC}/configure.ac
 # Apply DISABLED_EXTENSIONS
 	@${ECHO_CMD} '*disabled*' > ${WRKSRC}/Modules/Setup.local
 .  for _module in ${DISABLED_EXTENSIONS}
--- b/lang/python38/Makefile	
+++ b/lang/python38/Makefile	
@@ -115,6 +115,10 @@ post-patch:
 # which introduces hidden dependency and breaks build
 	@${REINPLACE_CMD} -e 's|uuid/uuid.h|ignore_&|' ${WRKSRC}/configure
 	@${REINPLACE_CMD} -e '/find_library_file/ s|uuid|ignore_&|' ${WRKSRC}/setup.py
+# disable detection of multiarch as it breaks with clang >= 13, which adds a
+# major.minor version number in -print-multiarch output, confusing Python
+	@${REINPLACE_CMD} -e 's|^MULTIARCH=.*|MULTIARCH=|' ${WRKSRC}/configure \
+		${WRKSRC}/configure.ac
 # Apply DISABLED_EXTENSIONS
 	@${ECHO_CMD} '*disabled*' > ${WRKSRC}/Modules/Setup.local
 .  for _module in ${DISABLED_EXTENSIONS}
--- b/lang/python39/Makefile	
+++ b/lang/python39/Makefile	
@@ -116,6 +116,10 @@ post-patch:
 # which introduces hidden dependency and breaks build
 	@${REINPLACE_CMD} -e 's|uuid/uuid.h|ignore_&|' ${WRKSRC}/configure
 	@${REINPLACE_CMD} -e '/find_library_file/ s|uuid|ignore_&|' ${WRKSRC}/setup.py
+# disable detection of multiarch as it breaks with clang >= 13, which adds a
+# major.minor version number in -print-multiarch output, confusing Python
+	@${REINPLACE_CMD} -e 's|^MULTIARCH=.*|MULTIARCH=|' ${WRKSRC}/configure \
+		${WRKSRC}/configure.ac
 # Apply DISABLED_EXTENSIONS
 	@${ECHO_CMD} '*disabled*' > ${WRKSRC}/Modules/Setup.local
 .  for _module in ${DISABLED_EXTENSIONS}