~ruther/guix-local: gnu: compression: Fix cross-compilation of zlib.

e67253dbe2cad74b58360ea61a770b149bd0f6ca — John Darrington 12 years ago 4af2447

gnu: compression: Fix cross-compilation of zlib.

* gnu/packages/compression.scm : Zlib uses a non-standard
  way of configuring for cross-compilation.  Thanks to Ludovic
  for showing me the correct way to fix this.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>

patch browse .tar.gz

1 files changed, 8 insertions(+), 3 deletions(-)

M gnu/packages/compression.scm

M gnu/packages/compression.scm => gnu/packages/compression.scm +8 -3

@@ 44,12 44,17 @@
      `(#:phases (alist-replace
                  'configure
                  (lambda* (#:key outputs #:allow-other-keys)
-                   ;; Zlib's home-made `configure' doesn't fails when passed
+                   ;; Zlib's home-made `configure' fails when passed
                    ;; extra flags like `--enable-fast-install', so we need to
                    ;; invoke it with just what it understand.
                    (let ((out (assoc-ref outputs "out")))
-                     (zero? (system* "./configure"
-                                     (string-append "--prefix=" out)))))
+                     ;; 'configure' doesn't understand '--host'.
+                     ,@(if (%current-target-system)
+                           `((setenv "CHOST" ,(%current-target-system)))
+                           '())
+                     (zero?
+                      (system* "./configure"
+                               (string-append "--prefix=" out)))))
                  %standard-phases)))
     (home-page "http://zlib.net/")
     (synopsis "The zlib compression library")