gnu: gcc-arm-none-eabi@7-2018-q2-update: Fix conflicting GCC headers.

This is a follow-up of 7f6d3f3950 and merely
a copy-and-paste of Marius Bakke's fix.

* gnu/packages/embedded.scm (gcc-arm-none-eabi-7-2018-q2-update)[arguments]:
Add phase to remove the default compiler from CPLUS_INCLUDE_PATH.
[native-inputs]: Distinguish GCC-5.
This commit is contained in:
Björn Höfling 2020-05-14 08:12:07 +02:00
parent 99f2c93470
commit f6ec9f9d39
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@ -6,6 +6,7 @@
;;; Copyright © 2018 Tobias Geerinckx-Rice <me@tobias.gr>
;;; Copyright © 2018, 2019 Clément Lassieur <clement@lassieur.org>
;;; Copyright © 2020 Marius Bakke <mbakke@fastmail.com>
;;; Copyright © 2020 Björn Höfling <bjoern.hoefling@bjoernhoefling.de>
;;;
;;; This file is part of GNU Guix.
;;;
@ -250,7 +251,7 @@ (define-public gcc-arm-none-eabi-7-2018-q2-update
(origin-patches (package-source gcc-7))
(search-patches "gcc-7-cross-environment-variables.patch")))))
(native-inputs
`(("gcc" ,gcc-5)
`(("gcc@5" ,gcc-5)
("flex" ,flex)
("isl" ,isl-0.18)
,@(alist-delete "isl" (package-native-inputs xgcc))))
@ -269,7 +270,22 @@ (define-public gcc-arm-none-eabi-7-2018-q2-update
(lambda _
(substitute* "gcc/genmultilib"
(("#!/bin/sh") (string-append "#!" (which "sh"))))
#t))))
#t))
(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)))))
((#:configure-flags flags)
;; The configure flags are largely identical to the flags used by the
;; "GCC ARM embedded" project.