From e6cfc620633e2fc8344d842aa00bc8c089ea41fb Mon Sep 17 00:00:00 2001
From: Joe Hermaszewski <git@monoid.al>
Date: Sat, 2 Apr 2016 20:34:50 +0100
Subject: [PATCH] glslang: init at 20160727

---
 .../development/compilers/glslang/default.nix | 22 ++++++++++++++++
 .../compilers/glslang/install-headers.patch   | 26 +++++++++++++++++++
 pkgs/top-level/all-packages.nix               |  2 ++
 3 files changed, 50 insertions(+)
 create mode 100644 pkgs/development/compilers/glslang/default.nix
 create mode 100644 pkgs/development/compilers/glslang/install-headers.patch

diff --git a/pkgs/development/compilers/glslang/default.nix b/pkgs/development/compilers/glslang/default.nix
new file mode 100644
index 000000000000..3d0785f702cc
--- /dev/null
+++ b/pkgs/development/compilers/glslang/default.nix
@@ -0,0 +1,22 @@
+{ stdenv, fetchFromGitHub, cmake, bison }:
+
+stdenv.mkDerivation rec {
+  name = "glslang-${version}";
+  version = "2016-07-27";
+
+  src = fetchFromGitHub {
+    owner = "KhronosGroup";
+    repo = "glslang";
+    rev = "8c8505c60454549181d78301933f3f108e2f55e6";
+    sha256 = "1219sq86pz6k8nzg9sqm34b0rdv6kkjirg54y6b2r5ak568r4kwx";
+  };
+
+  patches = [ ./install-headers.patch ];
+
+  buildInputs = [ cmake bison ];
+
+  meta = with stdenv.lib; {
+    inherit (src.meta) homepage;
+    description = "Khronos reference front-end for GLSL and ESSL";
+  };
+}
diff --git a/pkgs/development/compilers/glslang/install-headers.patch b/pkgs/development/compilers/glslang/install-headers.patch
new file mode 100644
index 000000000000..73b31ae3a67c
--- /dev/null
+++ b/pkgs/development/compilers/glslang/install-headers.patch
@@ -0,0 +1,26 @@
+diff --git a/SPIRV/CMakeLists.txt b/SPIRV/CMakeLists.txt
+index 50cda68..d4ba381 100755
+--- a/SPIRV/CMakeLists.txt
++++ b/SPIRV/CMakeLists.txt
+@@ -26,3 +26,8 @@ endif(WIN32)
+
+ install(TARGETS SPIRV
+         ARCHIVE DESTINATION lib)
++
++foreach(file ${HEADERS})
++    get_filename_component(dir ${file} DIRECTORY)
++    install(FILES ${file} DESTINATION include/SPIRV/${dir})
++endforeach()
+diff --git a/glslang/CMakeLists.txt b/glslang/CMakeLists.txt
+index 28f4742..5a25cbb 100644
+--- a/glslang/CMakeLists.txt
++++ b/glslang/CMakeLists.txt
+@@ -87,3 +87,8 @@ endif(WIN32)
+
+ install(TARGETS glslang
+         ARCHIVE DESTINATION lib)
++
++foreach(file ${HEADERS})
++    get_filename_component(dir ${file} DIRECTORY)
++    install(FILES ${file} DESTINATION include/glslang/${dir})
++endforeach()
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index de8216c27f4d..313c07772114 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -4844,6 +4844,8 @@ in
 
   dotnetPackages = recurseIntoAttrs (callPackage ./dotnet-packages.nix {});
 
+  glslang = callPackage ../development/compilers/glslang { };
+
   go_bootstrap = callPackage ../development/compilers/go/1.4.nix {
     inherit (darwin.apple_sdk.frameworks) Security;
   };