external: Update clang versions

Author: mpe

external/clang/Makefile

@@ -7,10 +7,13 @@ help:
 	@echo "Download additional versions with:"
 	@echo "  $ make llvm-<version>"
 
+# Args:
+#  1 = LLVM version
+#  2 = RHEL version of the package
 define TEMPLATE =
 llvm-$(1):
 	rm -f llvm-$(1).tar.xz
-	wget --no-verbose -O llvm-$(1).tar.xz https://github.com/llvm/llvm-project/releases/download/llvmorg-$(1)/clang+llvm-$(1)-powerpc64le-linux-rhel-8.4.tar.xz
+	wget --no-verbose -O llvm-$(1).tar.xz https://github.com/llvm/llvm-project/releases/download/llvmorg-$(1)/clang+llvm-$(1)-powerpc64le-linux-rhel-$(2).tar.xz
 	tar -xf llvm-$(1).tar.xz
 	touch $$@
 	rm -rf llvm-$(1).tar.xz llvm-$(1)
@@ -20,12 +23,13 @@ CLEAN_DIRS += llvm-$(1)
 ALL_TARGETS += llvm-$(1)
 endef
 
-$(eval $(call TEMPLATE,14.0.6))
-$(eval $(call TEMPLATE,15.0.7))
-$(eval $(call TEMPLATE,16.0.0-rc2))
+$(eval $(call TEMPLATE,14.0.6,8.4))
+$(eval $(call TEMPLATE,15.0.7,8.4))
+$(eval $(call TEMPLATE,16.0.6,8.7))
+$(eval $(call TEMPLATE,17.0.4,8.8))
 
-# Only download clang-15 by default
-download: llvm-15.0.7
+# Only download clang-17 by default
+download: llvm-17.0.4
 
 prepare: download