From 89c730dbf3da9bc72884c390fa8c38ff29f54809 Mon Sep 17 00:00:00 2001
From: Stephen White <senorblanco@chromium.org>
Date: Mon, 7 Feb 2022 16:05:36 +0000
Subject: [PATCH] GLSL: only build glslang if we're building samples.

We'll need this to build the GLSL backend in Dawn, since we don't want
glslang there.

Bug: tint:1217
Change-Id: Ied44ca89286c1d53a2e58a7083f0bfb859976770
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/79500
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
Commit-Queue: Stephen White <senorblanco@chromium.org>
---
 third_party/CMakeLists.txt | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/third_party/CMakeLists.txt b/third_party/CMakeLists.txt
index 47d6664640..90862eebdb 100644
--- a/third_party/CMakeLists.txt
+++ b/third_party/CMakeLists.txt
@@ -47,5 +47,7 @@ endif()
 
 if(${TINT_BUILD_GLSL_WRITER})
   set(SPIRV-Headers_SOURCE_DIR "${TINT_THIRD_PARTY_DIR}/glslang")
-  add_subdirectory("${TINT_THIRD_PARTY_DIR}/glslang" "${CMAKE_BINARY_DIR}/third_party/glslang" EXCLUDE_FROM_ALL)
+  if(${TINT_BUILD_SAMPLES})
+    add_subdirectory("${TINT_THIRD_PARTY_DIR}/glslang" "${CMAKE_BINARY_DIR}/third_party/glslang" EXCLUDE_FROM_ALL)
+  endif()
 endif()