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| author | Ludovic Courtès <ludo@gnu.org> | 2017-11-06 22:06:28 +0100 |
|---|---|---|
| committer | Ludovic Courtès <ludo@gnu.org> | 2017-11-08 09:23:50 +0100 |
| commit | dcc00f54c619118d11982383102d2e9a1b86d080 (patch) | |
| tree | a9473465101b40c8a9b053cbd2cbc3cc498f3141 /gnu | |
| parent | acc2dab7f2f50c9169d6388007c770878eae4a9c (diff) | |
| download | guix-dcc00f54c619118d11982383102d2e9a1b86d080.tar.gz guix-dcc00f54c619118d11982383102d2e9a1b86d080.zip | |
gnu: mesa: Use symlinks instead of hard links.
This reduces the nar size (as shown by 'guix size') by 124 MiB, from
169 MiB to 45 MiB (almost divided by 4!).
* gnu/packages/gl.scm (mesa)[arguments]: Add #:modules. Add
'symlinks-instead-of-hard-links' phase.
Diffstat (limited to 'gnu')
| -rw-r--r-- | gnu/packages/gl.scm | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/gnu/packages/gl.scm b/gnu/packages/gl.scm index 39f50a62f4..a9eccb5314 100644 --- a/gnu/packages/gl.scm +++ b/gnu/packages/gl.scm @@ -305,6 +305,10 @@ also known as DXTn or DXTC) for Mesa.") "--enable-llvm")) ; default is x86/x86_64 only (_ '("--with-dri-drivers=nouveau,r200,radeon,swrast")))) + #:modules ((ice-9 match) + (srfi srfi-1) + (guix build utils) + (guix build gnu-build-system)) #:phases (modify-phases %standard-phases (add-after @@ -339,6 +343,41 @@ also known as DXTn or DXTC) for Mesa.") ;; egl_gallium support. (("\"gbm_dri\\.so") (string-append "\"" out "/lib/dri/gbm_dri.so"))) + #t))) + (add-after 'install 'symlinks-instead-of-hard-links + (lambda* (#:key outputs #:allow-other-keys) + ;; All the drivers and gallium targets create hard links upon + ;; installation (search for "hardlink each megadriver instance" + ;; in the makefiles). This is no good for us since we'd produce + ;; nars that contain several copies of these files. Thus, turn + ;; them into symlinks, which saves ~124 MiB. + (let* ((out (assoc-ref outputs "out")) + (lib (string-append out "/lib")) + (files (find-files lib + (lambda (file stat) + (and (string-contains file ".so") + (eq? 'regular + (stat:type stat)))))) + (inodes (map (compose stat:ino stat) files))) + (for-each (lambda (inode) + (match (filter-map (match-lambda + ((file ino) + (and (= ino inode) file))) + (zip files inodes)) + ((_) + #f) + ((reference others ..1) + (format #t "creating ~a symlinks to '~a'~%" + (length others) reference) + (for-each delete-file others) + (for-each (lambda (file) + (if (string=? (dirname file) + (dirname reference)) + (symlink (basename reference) + file) + (symlink reference file))) + others)))) + (delete-duplicates inodes)) #t)))))) (home-page "https://mesa3d.org/") (synopsis "OpenGL implementation") |