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02/02: gnu: %final-inputs-riscv64: Add comment.
From: |
guix-commits |
Subject: |
02/02: gnu: %final-inputs-riscv64: Add comment. |
Date: |
Tue, 1 Feb 2022 05:34:57 -0500 (EST) |
efraim pushed a commit to branch master
in repository guix.
commit c5000dcc375229ff42727f090d4243107d3a04a6
Author: Efraim Flashner <efraim@flashner.co.il>
AuthorDate: Tue Feb 1 12:33:28 2022 +0200
gnu: %final-inputs-riscv64: Add comment.
* gnu/packages/commencement.scm (%final-inputs-riscv64): Add comment
explaining why this variable needs to exist.
---
gnu/packages/commencement.scm | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/gnu/packages/commencement.scm b/gnu/packages/commencement.scm
index 96d914344d..3fb4b2054f 100644
--- a/gnu/packages/commencement.scm
+++ b/gnu/packages/commencement.scm
@@ -3737,6 +3737,15 @@ exec ~a/bin/~a-~a -B~a/lib -Wl,-dynamic-linker -Wl,~a/~a
\"$@\"~%"
("locales" ,glibc-utf8-locales-final))))
(define-public %final-inputs-riscv64
+ ;; This is similar to the added (list gcc "lib") elsewhere in this file, but
+ ;; due to how (%current-system) is re-defined when performing builds with the
+ ;; '--system' flag, %final-inputs is too early in the evaulation pipeline to
+ ;; correctly identify the system for which a derivation will be built. Thus,
+ ;; since (%current-system) is re-determined by (guix build-system gnu) after
+ ;; loading %final-inputs but before taking into account the '--system' flag,
+ ;; the test for (target-riscv64?) needs to be in (guix build-system gnu),
+ ;; with %final-inputs-riscv64 already available at the same time that
+ ;; %final-inputs is available.
`(("gcc:lib" ,gcc-final "lib")
,@%final-inputs))