01/01: gnu: hdf5: Do not record the build-time kernel version.

[Ricardo Wurmus]

rekado pushed a commit to branch master
in repository guix.

commit d8f46d52343972af6734c28cce94559e1c78481f
Author: Ricardo Wurmus <address@hidden>
Date:   Fri Mar 9 11:20:22 2018 +0100

    gnu: hdf5: Do not record the build-time kernel version.
    
    * gnu/packages/maths.scm (hdf5)[arguments]: Patch libhdf5.settings to 
prevent
    the kernel version on the build node from affecting the output.
---
 gnu/packages/maths.scm | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/gnu/packages/maths.scm b/gnu/packages/maths.scm
index 8d0c106..cf3d8ae 100644
--- a/gnu/packages/maths.scm
+++ b/gnu/packages/maths.scm
@@ -724,7 +724,11 @@ incompatible with HDF5.")
              ;; unnecessary store references to those compilers:
              (substitute* "src/libhdf5.settings"
               (("(/gnu/store/)([a-Z0-9]*)" all prefix hash)
-               (string-append prefix (string-take hash 10) "...")))
+               (string-append prefix (string-take hash 10) "..."))
+              ;; Don't record the build-time kernel version to make the
+              ;; settings file reproducible.
+              (("Uname information:.*")
+               "Uname information: Linux\n"))
              #t))
          (add-after 'install 'patch-references
            (lambda* (#:key inputs outputs #:allow-other-keys)