GNU bug report logs - #73163
[PATCH] gnu: openpmix: Do not keep a reference to GCC and other build tools.

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From: Ludovic Courtès <ludo <at> gnu.org>
To: 73163 <at> debbugs.gnu.org
Cc: Ludovic Courtès <ludovic.courtes <at> inria.fr>, romain.garbage <at> inria.fr
Subject: [bug#73163] [PATCH] gnu: openpmix: Do not keep a reference to GCC and other build tools.
Date: Tue, 10 Sep 2024 10:38:07 +0200

From: Ludovic Courtès <ludovic.courtes <at> inria.fr>

This reduces the closure of ‘openpmix’ from 297 MiB to 93 MiB.

* gnu/packages/parallel.scm (openpmix)[arguments]: Add #:phases
and #:disallowed-references.

Change-Id: I231c550743e2854e431b8100584bd464695de695
---
 gnu/packages/parallel.scm | 24 +++++++++++++++++++++++-
 1 file changed, 23 insertions(+), 1 deletion(-)

diff --git a/gnu/packages/parallel.scm b/gnu/packages/parallel.scm
index d5a55a8641..d3ff363cd5 100644
--- a/gnu/packages/parallel.scm
+++ b/gnu/packages/parallel.scm
@@ -52,6 +52,7 @@ (define-module (gnu packages parallel)
   #:use-module (gnu packages documentation)
   #:use-module (gnu packages flex)
   #:use-module (gnu packages freeipmi)
+  #:use-module (gnu packages gcc)
   #:use-module (gnu packages libevent)
   #:use-module (gnu packages linux)
   #:use-module (gnu packages maths)
@@ -646,7 +647,28 @@ (define-public openpmix
    (arguments
     (list #:configure-flags
           #~(list (string-append "--with-hwloc="
-                                 (ungexp (this-package-input "hwloc") "lib")))))
+                                 (ungexp (this-package-input "hwloc") "lib")))
+
+          ;; Don't keep a reference to GCC.
+          #:disallowed-references (and (not (%current-target-system))
+                                       (list (canonical-package gcc)))
+
+          #:phases
+          #~(modify-phases %standard-phases
+              (add-before 'configure 'strip-pmix-config-header
+                (lambda _
+                  ;; The 'pmix_info' program prints the 'configure' command
+                  ;; line, compiler absolute file name, etc., which causes it
+                  ;; to keep references to many build-time packages.  Scrub
+                  ;; these.
+                  (substitute* "src/include/pmix_config.h.in"
+                    (("#define PMIX_CONFIGURE_CLI .*")
+                     "#define PMIX_CONFIGURE_CLI \"[scrubbed]\"\n"))
+
+                  (substitute* "configure"
+                    (("PMIX_CC_ABSOLUTE=\"(.*)\"" _ cc)
+                     (string-append "PMIX_CC_ABSOLUTE=\"$(basename \""
+                                    cc "\")\"\n"))))))))
    (inputs (list libevent `(,hwloc "lib")))
    (native-inputs (list perl python))
    (synopsis "PMIx library")

base-commit: 637ca78f513fac15284403c0d3af64492ea832a1
-- 
2.46.0

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