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gnu: linux-libre: Remove cross-libc from CROSS_CPATH.

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* gnu/packages/linux.scm (make-linux-libre*)[arguments]: Do not unset
CROSS_CPATH completely, instead remove cross-libc from CROSS_CPATH in the same
way that libc is removed from CPATH.
This commit is contained in:
Mathieu Othacehe 2019-11-16 18:14:31 +01:00
parent 4edc4f57bd
commit 191a9a26b5
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GPG key ID: 8354763531769CA6
1 changed files with 20 additions and 17 deletions
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37
gnu/packages/linux.scm
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@ -679,23 +679,26 @@ (define* (make-linux-libre* version source supported-systems
#t))
(replace 'configure
(lambda* (#:key inputs native-inputs target #:allow-other-keys)
;; Unset CROSS_CPATH to make sure that cross-libc is not
;; found. Otherwise, some of its header would conflict with the
;; one from linux (stdint.h and linux/types.h)
,@(if (%current-target-system)
'((unsetenv "CROSS_CPATH"))
'())
;; On AArch64 (at least), we need to remove glibc headers from CPATH
;; (they are still available as "system headers"), so that the kernel
;; can override uint64_t. See <https://bugs.gnu.org/37593>.
(setenv "CPATH"
(string-join
(remove (cut string-prefix? (assoc-ref inputs "libc") <>)
(string-split (getenv "CPATH") #\:))
":"))
(format #t "environment variable `CPATH' changed to `~a'~%"
(getenv "CPATH"))
;; On AArch64 (at least), we need to remove glibc headers from
;; CPATH (they are still available as "system headers"), so that
;; the kernel can override uint64_t. See
;; <https://bugs.gnu.org/37593>. This is also true when
;; cross-compiling, except in that case, cross-libc must be
;; removed from CROSS_CPATH.
(let ((var ,(if (%current-target-system)
"CROSS_CPATH"
"CPATH"))
(libc ,(if (%current-target-system)
"cross-libc"
"libc")))
(setenv var
(string-join
(remove
(cut string-prefix? (assoc-ref inputs libc) <>)
(string-split (getenv var) #\:))
":"))
(format #t "environment variable `~a' changed to `~a'~%"
var (getenv var)))
;; Avoid introducing timestamps
(setenv "KCONFIG_NOTIMESTAMP" "1")