pkg-config setup for vulkan

Dockerfile

@@ -88,6 +88,21 @@ RUN --mount=type=cache,target=/root/.cache/vulkan-sdk \
     mkdir -p /opt/vulkan-sdk; \
     tar -xJf "${sdk_archive}" -C /opt/vulkan-sdk; \
     ln -sfn "/opt/vulkan-sdk/${LUNARG_SDK_VERSION}" /opt/vulkan-sdk/current; \
+    mkdir -p "${VULKAN_SDK}/lib/pkgconfig"; \
+    if [ ! -f "${VULKAN_SDK}/lib/pkgconfig/vulkan.pc" ]; then \
+      { \
+        echo "prefix=${VULKAN_SDK}"; \
+        echo 'exec_prefix=${prefix}'; \
+        echo 'libdir=${exec_prefix}/lib'; \
+        echo 'includedir=${prefix}/include'; \
+        echo; \
+        echo 'Name: Vulkan-Loader'; \
+        echo 'Description: Vulkan Loader'; \
+        echo "Version: ${LUNARG_SDK_VERSION}"; \
+        echo 'Libs: -L${libdir} -lvulkan'; \
+        echo 'Cflags: -I${includedir}'; \
+      } > "${VULKAN_SDK}/lib/pkgconfig/vulkan.pc"; \
+    fi; \
     echo "${VULKAN_SDK}/lib" > /etc/ld.so.conf.d/vulkan-sdk.conf; \
     ldconfig