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-rw-r--r--gnu/packages/make-bootstrap.scm37
1 files changed, 25 insertions, 12 deletions
diff --git a/gnu/packages/make-bootstrap.scm b/gnu/packages/make-bootstrap.scm
index ec477da7c8..561a286d26 100644
--- a/gnu/packages/make-bootstrap.scm
+++ b/gnu/packages/make-bootstrap.scm
@@ -150,7 +150,15 @@ for `sh' in $PATH, and without nscd, and with static NSS modules."
                            "--disable-silent-rules"
                            "--enable-no-install-program=stdbuf,libstdbuf.so"
                            "CFLAGS=-Os -g0"        ; smaller, please
-                           "LDFLAGS=-static -pthread")
+                           "LDFLAGS=-static -pthread"
+
+                           ;; Work around a cross-compilation bug whereby libcoreutils.a
+                           ;; would provide '__mktime_internal', which conflicts with the
+                           ;; one in libc.a.
+                           ,@(if (%current-target-system)
+                                 `("gl_cv_func_working_mktime=yes")
+                                 '()))
+
                          #:tests? #f   ; signal-related Gnulib tests fail
                          ,@(package-arguments coreutils)))
 
@@ -213,17 +221,22 @@ for `sh' in $PATH, and without nscd, and with static NSS modules."
                             '()))))
 	(tar (package (inherit tar)
 	       (arguments
-                (substitute-keyword-arguments (package-arguments tar)
-                  ((#:phases phases)
-                   `(modify-phases ,phases
-                      (replace 'set-shell-file-name
-                        (lambda _
-                          ;; Do not use "/bin/sh" to run programs; see
-                          ;; <http://lists.gnu.org/archive/html/guix-devel/2016-09/msg02272.html>.
-                          (substitute* "src/system.c"
-                            (("/bin/sh") "sh")
-                            (("execv ") "execvp "))
-                          #t))))))))
+                `(;; Work around a cross-compilation bug whereby libgnu.a would provide
+                  ;; '__mktime_internal', which conflicts with the one in libc.a.
+                  ,@(if (%current-target-system)
+                        `(#:configure-flags '("gl_cv_func_working_mktime=yes"))
+                        '())
+                  ,@(substitute-keyword-arguments (package-arguments tar)
+                      ((#:phases phases)
+                       `(modify-phases ,phases
+                          (replace 'set-shell-file-name
+                            (lambda _
+                              ;; Do not use "/bin/sh" to run programs; see
+                              ;; <http://lists.gnu.org/archive/html/guix-devel/2016-09/msg02272.html>.
+                              (substitute* "src/system.c"
+                                (("/bin/sh") "sh")
+                                (("execv ") "execvp "))
+                              #t)))))))))
         ;; We don't want to retain a reference to /gnu/store in the bootstrap
         ;; versions of egrep/fgrep, so we remove the custom phase added since
         ;; grep@2.25. The effect is 'egrep' and 'fgrep' look for 'grep' in