diff --git a/gitlab/build-linux b/gitlab/build-linux
index a060eadc..532a462a 100755
--- a/gitlab/build-linux
+++ b/gitlab/build-linux
@@ -12,7 +12,7 @@ rm -fr build
 mkdir build
 cd build
 export LD_LIBRARY_PATH=/usr/local/lib
-if ../configure --enable-demos --with-spirv-tools DXCOMPILER_LIBS="-L/usr/local/lib" CFLAGS="-g -O2 -Werror" CPPFLAGS="-DVKD3D_SHADER_UNSUPPORTED_DXIL" && \
+if ../configure --enable-demos --with-spirv-tools DXCOMPILER_LIBS="-L/usr/local/lib" CFLAGS="-g -O2 -Werror" CPPFLAGS="-DVKD3D_SHADER_UNSUPPORTED_DXIL -DVKD3D_SHADER_UNSUPPORTED_GLSL" && \
         make -j$(nproc) ; then
     make -j$(nproc) AM_COLOR_TESTS=always check || \
         touch ../tests_failed
diff --git a/libs/vkd3d-shader/glsl.c b/libs/vkd3d-shader/glsl.c
index bdd03c1e..c234caf8 100644
--- a/libs/vkd3d-shader/glsl.c
+++ b/libs/vkd3d-shader/glsl.c
@@ -96,6 +96,8 @@ int vkd3d_glsl_generator_generate(struct vkd3d_glsl_generator *generator,
     unsigned int i;
     void *code;
 
+    ERR("Generating a GLSL shader. This is unsupported; you get to keep all the pieces if it breaks.\n");
+
     vkd3d_string_buffer_printf(&generator->buffer, "#version 440\n\n");
     vkd3d_string_buffer_printf(&generator->buffer, "void main()\n{\n");
 
diff --git a/libs/vkd3d-shader/vkd3d_shader_main.c b/libs/vkd3d-shader/vkd3d_shader_main.c
index 5ecba0be..96f2bf26 100644
--- a/libs/vkd3d-shader/vkd3d_shader_main.c
+++ b/libs/vkd3d-shader/vkd3d_shader_main.c
@@ -1874,7 +1874,7 @@ const enum vkd3d_shader_target_type *vkd3d_shader_get_supported_target_types(
         VKD3D_SHADER_TARGET_SPIRV_TEXT,
 #endif
         VKD3D_SHADER_TARGET_D3D_ASM,
-#if 0
+#ifdef VKD3D_SHADER_UNSUPPORTED_GLSL
         VKD3D_SHADER_TARGET_GLSL,
 #endif
     };
@@ -1895,13 +1895,21 @@ const enum vkd3d_shader_target_type *vkd3d_shader_get_supported_target_types(
         VKD3D_SHADER_TARGET_D3D_ASM,
     };
 
+#ifdef VKD3D_SHADER_UNSUPPORTED_DXIL
+    static const enum vkd3d_shader_target_type dxbc_dxil_types[] =
+    {
+        VKD3D_SHADER_TARGET_SPIRV_BINARY,
+# ifdef HAVE_SPIRV_TOOLS
+        VKD3D_SHADER_TARGET_SPIRV_TEXT,
+# endif
+        VKD3D_SHADER_TARGET_D3D_ASM,
+    };
+#endif
+
     TRACE("source_type %#x, count %p.\n", source_type, count);
 
     switch (source_type)
     {
-#ifdef VKD3D_SHADER_UNSUPPORTED_DXIL
-        case VKD3D_SHADER_SOURCE_DXBC_DXIL:
-#endif
         case VKD3D_SHADER_SOURCE_DXBC_TPF:
             *count = ARRAY_SIZE(dxbc_tpf_types);
             return dxbc_tpf_types;
@@ -1914,6 +1922,12 @@ const enum vkd3d_shader_target_type *vkd3d_shader_get_supported_target_types(
             *count = ARRAY_SIZE(d3dbc_types);
             return d3dbc_types;
 
+#ifdef VKD3D_SHADER_UNSUPPORTED_DXIL
+        case VKD3D_SHADER_SOURCE_DXBC_DXIL:
+            *count = ARRAY_SIZE(dxbc_dxil_types);
+            return dxbc_dxil_types;
+#endif
+
         default:
             *count = 0;
             return NULL;