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authorLudovic Courtès <ludovic.courtes@inria.fr>2020-05-28 11:46:59 +0200
committerLudovic Courtès <ludo@gnu.org>2020-05-28 12:49:56 +0200
commit77a87ad4aceed9d89d615540e0fd147e3a8b2f64 (patch)
tree3fc09ad9557b5c850336d70561789354d7cfb56a
parentccd9107ed9e8b918c6fb521cc69ac459fe4257ac (diff)
gnu: clang: Build 'clang-tools-extra'.
* gnu/packages/llvm.scm (clang-from-llvm): Add #:tools-extra. Add 'output' field. In 'inputs', add TOOLS-EXTRA when it's given. In 'arguments', add 'add-tools-extra' and 'move-extra-tools' phases when TOOLS-EXTRA is given.
-rw-r--r--gnu/packages/llvm.scm87
1 files changed, 84 insertions, 3 deletions
diff --git a/gnu/packages/llvm.scm b/gnu/packages/llvm.scm
index 47b490aac8..11e4cfbe4c 100644
--- a/gnu/packages/llvm.scm
+++ b/gnu/packages/llvm.scm
@@ -201,7 +201,11 @@ compiler. In LLVM this library is called \"compiler-rt\".")
(supported-systems (delete "mips64el-linux" %supported-systems))))
(define* (clang-from-llvm llvm clang-runtime hash
- #:key (patches '()))
+ #:key (patches '()) tools-extra)
+ "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."
(package
(name "clang")
(version (package-version llvm))
@@ -218,11 +222,15 @@ compiler. In LLVM this library is called \"compiler-rt\".")
;; doesn't seem to be any way to do this with clang's autotools-based
;; build system.
(build-system cmake-build-system)
+ (outputs (if tools-extra '("out" "extra") '("out")))
(native-inputs (package-native-inputs llvm))
(inputs
`(("libxml2" ,libxml2)
("gcc-lib" ,gcc "lib")
- ,@(package-inputs llvm)))
+ ,@(package-inputs llvm)
+ ,@(if tools-extra
+ `(("clang-tools-extra" ,tools-extra))
+ '())))
(propagated-inputs
`(("llvm" ,llvm)
("clang-runtime" ,clang-runtime)))
@@ -243,6 +251,71 @@ compiler. In LLVM this library is called \"compiler-rt\".")
#:build-type "Release"
#:phases (modify-phases %standard-phases
+ ,@(if tools-extra
+ `((add-after 'unpack '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-"
+ (package-version llvm)
+ ".src")
+ "tools/extra")
+ #t)))
+ (add-after 'install 'move-extra-tools
+ (lambda* (#:key outputs #:allow-other-keys)
+ ;; Move the extra tools to the "extra" output.
+ ;; These programs alone weigh in at 296 MiB,
+ ;; because they statically-link a whole bunch of
+ ;; Clang libraries.
+ (let* ((out (assoc-ref outputs "out"))
+ (extra (assoc-ref outputs "extra"))
+ (bin (string-append out "/bin"))
+ (bin* (string-append extra "/bin"))
+ (lib (string-append out "/lib")))
+ (define (move program)
+ (rename-file (string-append bin "/" program)
+ (string-append bin* "/"
+ program)))
+
+ (mkdir-p bin*)
+ (for-each move
+ '("clang-apply-replacements"
+ "clang-change-namespace"
+ "clangd"
+ "clang-doc"
+ "clang-include-fixer"
+ "clang-move"
+ "clang-query"
+ "clang-reorder-fields"
+ "clang-tidy"
+ "find-all-symbols"
+ "modularize"
+ "pp-trace"))
+
+ ;; Remove MiBs of .a files coming from
+ ;; 'clang-tools-extra'.
+ (for-each (lambda (component)
+ (delete-file
+ (string-append lib "/libclang"
+ component ".a")))
+ '("ApplyReplacements"
+ "ChangeNamespace"
+ "Daemon"
+ "DaemonTweaks"
+ "Doc"
+ "IncludeFixer"
+ "IncludeFixerPlugin"
+ "Move"))
+ (for-each delete-file
+ (find-files
+ lib
+ "^(libfindAllSymbols|libclangTidy)"))
+ #t))))
+ '())
(add-after 'unpack 'add-missing-triplets
(lambda _
;; Clang iterates through known triplets to search for
@@ -414,7 +487,15 @@ output), and Binutils.")
(define-public clang-10
(clang-from-llvm llvm-10 clang-runtime-10
"08fbxa2a0kr3ni35ckppj0kyvlcyaywrhpqwcdrdy0z900mhcnw8"
- #:patches '("clang-10.0-libc-search-path.patch")))
+ #:patches '("clang-10.0-libc-search-path.patch")
+ #:tools-extra
+ (origin
+ (method url-fetch)
+ (uri (llvm-download-uri "clang-tools-extra"
+ (package-version llvm-10)))
+ (sha256
+ (base32
+ "074ija5s2jsdn0k035r2dzmryjmqxdnyg4xwvaqych2bazv8rpxc")))))
(define-public clang-toolchain-10
(make-clang-toolchain clang-10))