@@ -422,6 +422,43 @@ (define* (clang-from-llvm llvm clang-runtime
license:asl2.0 ;with LLVM exceptions
license:ncsa))))
+;;; TODO: Integrate into original on core-updates, perhaps with an extra
+;;; option such as #:build-shared-libs? documented as a legacy feature.
+(define* (clang-from-llvm* llvm clang-runtime
+ #:optional hash
+ #:key (patches '()) tools-extra
+ (properties
+ (append `((release-monitoring-url
+ . ,%llvm-release-monitoring-url))
+ (clang-properties (package-version llvm)))))
+ "Produce Clang with dependencies on LLVM and CLANG-RUNTIME, and applying the
+given PATCHES. When TOOLS-EXTRA is given, it must point to the
+'clang-tools-extra' tarball, which contains code for 'clang-tidy', 'pp-trace',
+'modularize', and other tools."
+ (let ((base (clang-from-llvm llvm clang-runtime hash
+ #:patches patches #:tools-extra tools-extra
+ #:properties properties)))
+ (package
+ (inherit base)
+ (arguments
+ (substitute-keyword-arguments (package-arguments base)
+ ((#:phases phases ''%standard-phases)
+ #~(modify-phases #$phases
+ ;; Like the original, sans BUILD_SHARED_LIBS patching.
+ #$@(if tools-extra
+ #~((replace 'add-tools-extra
+ (lambda* (#:key inputs #:allow-other-keys)
+ ;; Unpack the 'clang-tools-extra' tarball under
+ ;; tools/.
+ (let ((extra (assoc-ref inputs "clang-tools-extra")))
+ (invoke "tar" "xf" extra)
+ (rename-file #$(string-append
+ "clang-tools-extra-"
+ (string-delete #\- (package-version llvm))
+ ".src")
+ "tools/extra")))))
+ #~()))))))))
+
(define (clang-properties version)
"Return package properties for Clang VERSION."
`((compiler-cpu-architectures
@@ -729,6 +766,30 @@ (define-public clang-runtime-14
("gcc" ,gcc-11)
,@(package-native-inputs template))))))
+(define-public clang-15
+ (let ((template
+ (clang-from-llvm*
+ llvm-15 clang-runtime-15
+ #:tools-extra
+ (origin
+ (method url-fetch)
+ (uri (llvm-uri "clang-tools-extra"
+ (package-version llvm-15)))
+ (sha256
+ (base32
+ "03adxlh84if9p53m6izjsql500rjza9rng8akab2pdqibgrg73rh"))))))
+ (package
+ (inherit template)
+ (arguments
+ (substitute-keyword-arguments (package-arguments template)
+ ((#:configure-flags flags ''())
+ #~(cons "-DCLANG_LINK_CLANG_DYLIB=ON" #$flags))
+ ((#:phases phases '%standard-phases)
+ #~(modify-phases #$phases
+ (add-after 'unpack 'change-directory
+ (lambda _
+ (chdir "clang"))))))))))
+
(define-public clang-14
(let ((template
(clang-from-llvm llvm-14 clang-runtime-14