summaryrefslogtreecommitdiff
path: root/guix/build-system/gnu.scm
diff options
context:
space:
mode:
Diffstat (limited to 'guix/build-system/gnu.scm')
-rw-r--r--guix/build-system/gnu.scm16
1 files changed, 14 insertions, 2 deletions
diff --git a/guix/build-system/gnu.scm b/guix/build-system/gnu.scm
index 7266fa0009..f59567febb 100644
--- a/guix/build-system/gnu.scm
+++ b/guix/build-system/gnu.scm
@@ -296,13 +296,19 @@ standard packages used as implicit inputs of the GNU build system."
`(("source" ,source))
'())
,@native-inputs
+
+ ;; When not cross-compiling, ensure implicit inputs come
+ ;; last. That way, libc headers come last, which allows
+ ;; #include_next to work correctly; see
+ ;; <https://bugs.gnu.org/30756>.
+ ,@(if target '() inputs)
,@(if (and target implicit-cross-inputs?)
(standard-cross-packages target 'host)
'())
,@(if implicit-inputs?
(standard-packages)
'())))
- (host-inputs inputs)
+ (host-inputs (if target inputs '()))
;; The cross-libc is really a target package, but for bootstrapping
;; reasons, we can't put it in 'host-inputs'. Namely, 'cross-gcc' is a
@@ -454,13 +460,19 @@ is one of `host' or `target'."
(libc (module-ref cross 'cross-libc)))
(case kind
((host)
+ ;; Cross-GCC appears once here, so that it's in $PATH...
`(("cross-gcc" ,(gcc target
#:xbinutils (binutils target)
#:libc (libc target)))
("cross-binutils" ,(binutils target))))
((target)
(let ((libc (libc target)))
- `(("cross-libc" ,libc)
+ ;; ... and once here, so that libstdc++ & co. are in
+ ;; CROSS_CPLUS_INCLUDE_PATH, etc.
+ `(("cross-gcc" ,(gcc target
+ #:xbinutils (binutils target)
+ #:libc libc))
+ ("cross-libc" ,libc)
;; MinGW's libc doesn't have a "static" output.
,@(if (member "static" (package-outputs libc))