From dd17b03c487b64212fae77a406075fc83514a369 Mon Sep 17 00:00:00 2001
From: Rutger Helling <address@hidden>
Date: Fri, 8 Dec 2017 15:56:34 +0100
Subject: [PATCH] gnu: vulkan: Add glslang.
* gnu/packages/vulkan.scm (glslang): New variable.
---
gnu/packages/vulkan.scm | 39 +++++++++++++++++++++++++++++++++++++++
1 file changed, 39 insertions(+)
diff --git a/gnu/packages/vulkan.scm b/gnu/packages/vulkan.scm
index 248dc206c..03562e45d 100644
--- a/gnu/packages/vulkan.scm
+++ b/gnu/packages/vulkan.scm
@@ -23,6 +23,7 @@
#:use-module (guix git-download)
#:use-module (guix build-system cmake)
#:use-module (gnu packages)
+ #:use-module (gnu packages bison)
#:use-module (gnu packages pkg-config)
#:use-module (gnu packages python))
@@ -90,3 +91,41 @@ files from the SPIR-V Registry.")
(description "The SPIR-V Tools project provides an API and commands for
processing SPIR-V modules.")
(license license:asl2.0)))
+
+(define-public glslang
+ ;; Version 3.0 is too old for vulkan-icd-loader. Use a recent git commit
+ ;; until the next stable version.
+ (let ((commit "471bfed0621162a7513fc24a51e8a1ccc2e640ff")
+ (revision "1"))
+ (package
+ (name "glslang")
+ (version (string-append "0.0-" revision "." (string-take commit 9)))
+ (source
+ (origin
+ (method git-fetch)
+ (uri (git-reference
+ (url "https://github.com/KhronosGroup/glslang")
+ (commit commit)))
+ (sha256
+ (base32
+ "0m2vljmrqppp80ghbbwfnayqw2canxlcjhgy6jw9xjdssln0d3pd"))
+ (file-name (string-append name "-" version "-checkout"))))
+ (build-system cmake-build-system)
+ (arguments
+ `(#:tests? #f ;; No tests
+ ;; glslang tries to set CMAKE_INSTALL_PREFIX manually. Remove the
+ ;; offending line.
+ #:phases (modify-phases %standard-phases
+ (add-after 'patch-source-shebangs 'fix-cmakelists
+ (lambda _
+ (substitute* "CMakeLists.txt"
+ (("set.*CMAKE_INSTALL_PREFIX.*") "")))))))
+ (inputs `(("bison" ,bison)))
+ (native-inputs `(("pkg-config" ,pkg-config)))
+ (home-page "https://github.com/KhronosGroup/glslang")
+ (synopsis "OpenGL and OpenGL ES shader front end and validator")
+ (description "glslang is a OpenGL and OpenGL ES shader front end and
+validator.")
+ ;; Modified BSD license. See "copyright" section of
+ ;; https://www.khronos.org/opengles/sdk/tools/Reference-Compiler/
+ (license license:bsd-3))))
--
2.15.1