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-rw-r--r--gnu/packages/mpi.scm12
1 files changed, 12 insertions, 0 deletions
diff --git a/gnu/packages/mpi.scm b/gnu/packages/mpi.scm
index f24da7b661..3337054223 100644
--- a/gnu/packages/mpi.scm
+++ b/gnu/packages/mpi.scm
@@ -143,6 +143,18 @@ bind processes, and much more.")
,(string-append "--with-hwloc="
(assoc-ref %build-inputs "hwloc")))
#:phases (modify-phases %standard-phases
+ (add-before 'build 'remove-absolute
+ ;; Remove compiler absolute file names (OPAL_FC_ABSOLUTE
+ ;; etc.) to reduce the closure size. See
+ ;; <https://lists.gnu.org/archive/html/guix-devel/2017-07/msg00388.html>
+ ;; and
+ ;; <https://www.mail-archive.com/users@lists.open-mpi.org//msg31397.html>.
+ (lambda _
+ (substitute* '("orte/tools/orte-info/param.c"
+ "oshmem/tools/oshmem_info/param.c"
+ "ompi/tools/ompi_info/param.c")
+ (("_ABSOLUTE") ""))
+ #t))
(add-before 'build 'scrub-timestamps ;reproducibility
(lambda _
(substitute* '("ompi/tools/ompi_info/param.c"