From 18ac48364cb7e17da120b4b296aa06de5f159497 Mon Sep 17 00:00:00 2001
From: Marius Bakke <mbakke@fastmail.com>
Date: Fri, 22 May 2020 17:52:15 +0200
Subject: gnu: shaderc: Enable (some) tests.

* gnu/packages/vulkan.scm (shaderc)[arguments]: Remove #:tests?.  Add
substitution to use "spirv-dis" from inputs instead of bundled.
---
 gnu/packages/vulkan.scm | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/gnu/packages/vulkan.scm b/gnu/packages/vulkan.scm
index a96b33c74f..59dbfae11d 100644
--- a/gnu/packages/vulkan.scm
+++ b/gnu/packages/vulkan.scm
@@ -266,7 +266,8 @@ (define-public shaderc
          "1kqqvsvib01bsmfbdy3fbwwpvkcdlfb6k71kjvzb3crql7w0rxff"))))
     (build-system cmake-build-system)
     (arguments
-     `(#:tests? #f ; FIXME: Tests fail.
+     `(;; FIXME: Skip most of the tests, because enabling system gtest breaks
+       ;; the build: <https://github.com/google/shaderc/issues/470>.
        #:configure-flags '("-DSHADERC_SKIP_TESTS=ON")
        #:phases
        (modify-phases %standard-phases
@@ -276,6 +277,10 @@ (define-public shaderc
                (("add_subdirectory\\(third_party\\)")
                 ""))
 
+             (substitute* "glslc/test/CMakeLists.txt"
+               (("\\$<TARGET_FILE:spirv-dis>")
+                (which "spirv-dis")))
+
              ;; Do not attempt to use git to encode version information.
              (substitute* "glslc/CMakeLists.txt"
                (("add_dependencies\\(glslc_exe build-version\\)")
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