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gnu: avr-gcc: Fix conflicting GCC headers.

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Fixes <https://bugs.gnu.org/41209>.
Reported by Ricardo Wurmus <rekado@elephly.net>.

* gnu/packages/avr.scm (avr-gcc-4.9)[arguments]: Add phase to hide the default
GCC from CPLUS_INCLUDE_PATH.
[native-inputs]: Distinguish GCC-5.
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Marius Bakke 2020-05-13 20:37:46 +02:00
parent 8ba4d8a347
commit fd96ae4a70
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1 changed files with 17 additions and 1 deletions
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18
gnu/packages/avr.scm
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@ -4,6 +4,7 @@
;;; Copyright © 2016 David Thompson <davet@gnu.org>
;;; Copyright © 2016 Efraim Flashner <efraim@flashner.co.il>
;;; Copyright © 2018 Tobias Geerinckx-Rice <me@tobias.gr>
;;; Copyright © 2020 Marius Bakke <mbakke@fastmail.com>
;;;
;;; This file is part of GNU Guix.
;;;
@ -49,6 +50,21 @@ (define-public avr-gcc-4.9
(substitute-keyword-arguments (package-arguments xgcc)
((#:phases phases)
`(modify-phases ,phases
(add-after 'set-paths 'augment-CPLUS_INCLUDE_PATH
(lambda* (#:key inputs #:allow-other-keys)
(let ((gcc (assoc-ref inputs "gcc")))
;; Remove the default compiler from CPLUS_INCLUDE_PATH to
;; prevent header conflict with the GCC from native-inputs.
(setenv "CPLUS_INCLUDE_PATH"
(string-join
(delete (string-append gcc "/include/c++")
(string-split (getenv "CPLUS_INCLUDE_PATH")
#\:))
":"))
(format #t
"environment variable `CPLUS_INCLUDE_PATH' changed to ~a~%"
(getenv "CPLUS_INCLUDE_PATH"))
#t)))
;; Without a working multilib build, the resulting GCC lacks
;; support for nearly every AVR chip.
(add-after 'unpack 'fix-genmultilib
@ -78,7 +94,7 @@ (define-public avr-gcc-4.9
(variable "CROSS_LIBRARY_PATH")
(files '("avr/lib")))))
(native-inputs
`(("gcc" ,gcc-5)
`(("gcc@5" ,gcc-5)
,@(package-native-inputs xgcc))))))
(define-public avr-gcc-5