gnu: tar: Work around a cross-compilation issue.
* gnu/packages/base.scm (tar)[arguments]: Add #:configure-flags when cross-compiling.
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		|  | @ -177,7 +177,7 @@ implementation offers several extensions over the standard utility.") | |||
|    (build-system gnu-build-system) | ||||
|    ;; Note: test suite requires ~1GiB of disk space. | ||||
|    (arguments | ||||
|     '(#:phases (modify-phases %standard-phases | ||||
|     `(#:phases (modify-phases %standard-phases | ||||
|                  (add-before 'build 'set-shell-file-name | ||||
|                    (lambda* (#:key inputs #:allow-other-keys) | ||||
|                      ;; Do not use "/bin/sh" to run programs. | ||||
|  | @ -187,6 +187,12 @@ implementation offers several extensions over the standard utility.") | |||
|                           (string-append bash "/bin/sh"))) | ||||
|                        #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")) | ||||
|             '()) | ||||
| 
 | ||||
|       ;; Test #92 "link mismatch" expects "a/z: Not linked to a/y" but gets | ||||
|       ;; "a/y: Not linked to a/z" and fails, presumably due to differences in | ||||
|       ;; the order in which 'diff' traverses directories.  That leads to a | ||||
|  |  | |||
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