fix: install SPIR-V headers for Vulkan builds

.github/workflows/build.yml

@@ -135,7 +135,7 @@ jobs:
         id: depends
         run: |
           sudo apt-get update
-          sudo apt-get install build-essential libvulkan-dev glslc
+          sudo apt-get install build-essential libvulkan-dev glslc spirv-headers
 
       - name: Build
         id: cmake_build

.gitmodules

@@ -1,6 +1,6 @@
 [submodule "ggml"]
     path = ggml
-	url = https://github.com/ggml-org/ggml.git
+	url = https://github.com/leejet/ggml.git
 [submodule "examples/server/frontend"]
 	path = examples/server/frontend
 	url = https://github.com/leejet/sdcpp-webui.git

Dockerfile.vulkan

@@ -2,7 +2,7 @@ ARG UBUNTU_VERSION=24.04
 
 FROM ubuntu:$UBUNTU_VERSION AS build
 
-RUN apt-get update && apt-get install -y --no-install-recommends build-essential git cmake libvulkan-dev glslc
+RUN apt-get update && apt-get install -y --no-install-recommends build-essential git cmake libvulkan-dev glslc spirv-headers
 
 WORKDIR /sd.cpp
 

docs/build.md

@@ -102,6 +102,11 @@ cmake --build . --config Release
 ## Build with Vulkan
 
 Install Vulkan SDK from https://www.lunarg.com/vulkan-sdk/.
+On Ubuntu, install the Vulkan development packages and SPIR-V headers:
+
+```shell
+sudo apt-get install build-essential libvulkan-dev glslc spirv-headers
+```
 
 ```shell
 mkdir build && cd build

ggml

@@ -1 +1 @@
-Subproject commit 404fcb9d7c96989569e68c9e7881ee3465a05c50
+Subproject commit c96d3003b2a95b6f7ad33a28f69a4381549043e8