Put it with the other Vulkan checks, so it's easy to find.
gsk_private_vulkan_shaders += gsk_private_vulkan_fragment_shaders
gsk_private_vulkan_shaders += gsk_private_vulkan_vertex_shaders
-glslc = find_program('glslc', required: true)
foreach shader: gsk_private_vulkan_shaders
basefn = shader.split('.').get(0)
suffix = shader.split('.').get(1)
# to use a custom path for the Vulkan SDK. Bugs that are found with it should
# be reported upstream and fixed.
vulkan_dep = dependency('vulkan', required: get_option('vulkan'))
+glslc = find_program('glslc', required: get_option('vulkan'))
if vulkan_dep.found()
have_vulkan = true
vulkan_pkg_found = vulkan_dep.type_name() == 'pkgconfig'