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-rw-r--r--gnu/packages/gcc.scm50
1 files changed, 25 insertions, 25 deletions
diff --git a/gnu/packages/gcc.scm b/gnu/packages/gcc.scm
index efeee13349..5273aa2ce3 100644
--- a/gnu/packages/gcc.scm
+++ b/gnu/packages/gcc.scm
@@ -17,6 +17,7 @@
;;; Copyright © 2023 Bruno Victal <mirai@makinata.eu>
;;; Copyright © 2023 Maxim Cournoyer <maxim.cournoyer@gmail.com>
;;; Copyright © 2024 Nguyễn Gia Phong <mcsinyx@disroot.org>
+;;; Copyright © 2025 Leo Nikkilä <hello@lnikki.la>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -51,6 +52,7 @@
#:use-module (gnu packages perl)
#:use-module (guix packages)
#:use-module (guix download)
+ #:use-module (guix memoization)
#:use-module (guix build-system gnu)
#:use-module (guix build-system trivial)
#:use-module (guix gexp)
@@ -577,7 +579,7 @@ Go. It also includes runtime support libraries for these languages.")
;; XXX: This gross hack allows us to have libstdc++'s <bits/c++config.h>
;; in the search path, thereby avoiding misconfiguration of libstdc++:
;; <https://bugs.gnu.org/42392>.
- ("libstdc++" ,libstdc++-headers)
+ ("libstdc++" ,(make-libstdc++-headers this-package))
,@(package-inputs gcc-4.7)))))
@@ -1080,30 +1082,28 @@ using compilers other than GCC."
(propagated-inputs '())
(synopsis "GNU C++ standard library")))
-(define libstdc++
- ;; Libstdc++ matching the default GCC.
- (make-libstdc++ gcc))
-
-(define libstdc++-headers
- ;; XXX: This package is for internal use to work around
- ;; <https://bugs.gnu.org/42392> (see above). The main difference compared
- ;; to the libstdc++ headers that come with 'gcc' is that <bits/c++config.h>
- ;; is right under include/c++ and not under
- ;; include/c++/x86_64-unknown-linux-gnu (aka. GPLUSPLUS_TOOL_INCLUDE_DIR).
- (package
- (inherit libstdc++)
- (name "libstdc++-headers")
- (outputs '("out"))
- (build-system trivial-build-system)
- (arguments
- '(#:builder (let* ((out (assoc-ref %outputs "out"))
- (libstdc++ (assoc-ref %build-inputs "libstdc++")))
- (mkdir out)
- (mkdir (string-append out "/include"))
- (symlink (string-append libstdc++ "/include")
- (string-append out "/include/c++")))))
- (inputs `(("libstdc++" ,libstdc++)))
- (synopsis "Headers of GNU libstdc++")))
+(define make-libstdc++-headers
+ (mlambdaq (gcc) ;memoize to play well with the object cache
+ ;; XXX: This package is for internal use to work around
+ ;; <https://bugs.gnu.org/42392> (see above). The main difference compared
+ ;; to the libstdc++ headers that come with 'gcc' is that <bits/c++config.h>
+ ;; is right under include/c++ and not under
+ ;; include/c++/x86_64-unknown-linux-gnu (aka. GPLUSPLUS_TOOL_INCLUDE_DIR).
+ (let ((libstdc++ (make-libstdc++ gcc)))
+ (package
+ (inherit libstdc++)
+ (name "libstdc++-headers")
+ (outputs '("out"))
+ (build-system trivial-build-system)
+ (arguments
+ '(#:builder (let* ((out (assoc-ref %outputs "out"))
+ (libstdc++ (assoc-ref %build-inputs "libstdc++")))
+ (mkdir out)
+ (mkdir (string-append out "/include"))
+ (symlink (string-append libstdc++ "/include")
+ (string-append out "/include/c++")))))
+ (inputs `(("libstdc++" ,libstdc++)))
+ (synopsis "Headers of GNU libstdc++")))))
(define-public libstdc++-4.9
(make-libstdc++ gcc-4.9))