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[bug#73071,mesa-updates,5/8] gnu: volk: Hard-code path of vulkan-loader for dynamic loading

Message ID 92b1626bd63250dd639bcb8d9d3be2e3def22a73.1725634153.git.john.kehayias@protonmail.com
State New
Headers
Series Various updates for mesa to 24.2.2 |

Commit Message

John Kehayias Sept. 6, 2024, 3:07 p.m. UTC 
From: nathan <nathan_mail@nborghese.com>

Until now, we’d get:

  $ guix shell vulkan-tools -- vulkaninfo
  ERROR at /tmp/guix-build-vulkan-tools-1.3.280.0.drv-0/source/vulkaninfo/./vulkaninfo.h:412: Failed to initialize: Vulkan loader is not installed, not found, or failed to load.

This patch fixes it and potentially for other programs as well.

* gnu/packages/vulkan.scm (volk)[arguments]: use gexp.
<#:phases>: Patch dlopen with libvulkan.so.
[input]: Add vulkan-loader.

Change-Id: I5ef0eb13d35e517b8947faddace641882a775b80
Co-authored-by: Ludovic Courtès <ludo@gnu.org>
Signed-off-by: John Kehayias <john.kehayias@protonmail.com>
---
 gnu/packages/vulkan.scm | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

--
2.45.2
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Patch

diff --git a/gnu/packages/vulkan.scm b/gnu/packages/vulkan.scm
index e76455a835..dd5b51c7fe 100644
--- a/gnu/packages/vulkan.scm
+++ b/gnu/packages/vulkan.scm
@@ -654,9 +654,19 @@  (define-public volk
                 "0x4jhc8n9c4k8svmmcaxxs613xbsav7wam94gacddlm738cwp13v"))))
     (build-system cmake-build-system)
     (arguments
-     '(#:tests? #f                      ;no test
-       #:configure-flags '("-DVOLK_INSTALL=ON" "-DVOLK_PULL_IN_VULKAN=ON")))
-    (inputs (list vulkan-headers))
+     (list
+      #:tests? #f                      ;no test
+      #:configure-flags #~(list "-DVOLK_INSTALL=ON" "-DVOLK_PULL_IN_VULKAN=ON")
+      #:phases
+      #~(modify-phases %standard-phases
+          (add-after 'unpack 'patch-loader-path
+            (lambda* (#:key inputs #:allow-other-keys)
+              (substitute* "volk.c"
+                (("dlopen\\(\"libvulkan.so")
+                 (string-append "dlopen(\""
+                                (search-input-file
+                                 inputs "/lib/libvulkan.so")))))))))
+    (inputs (list vulkan-headers vulkan-loader))
     (synopsis "Meta loader for Vulkan API")
     (description
      "Volk is a meta-loader for Vulkan.  It allows you to dynamically load