meson: Vendor glslang

Author: mborgerson

debian/rules

@@ -63,7 +63,7 @@ override_dh_auto_configure:
 
 override_dh_auto_build:
 	./build.sh ${XEMU_BUILD_OPTIONS} ${common_configure_opts} || \
-	{ echo ===== BUILD FAILED ===; tail -n 50 config.log; exit 1; }
+	{ echo ===== BUILD FAILED ===; cat build/meson-logs/meson-log.txt; exit 1; }
 	cp debian/copyright debian/qemu.deb.copyright
 	cp dist/LICENSE.txt debian/copyright
 

meson.build

@@ -1174,10 +1174,10 @@ if not get_option('opengl').auto() or have_system or have_vhost_user_gpu
 endif
 
 vulkan = not_found
+libglslang = not_found
+
 if targetos == 'windows'
-  vulkan = declare_dependency(
-      compile_args: ['-DVK_USE_PLATFORM_WIN32_KHR', '-DVK_NO_PROTOTYPES'],
-      )
+  vulkan = declare_dependency(compile_args: ['-DVK_USE_PLATFORM_WIN32_KHR'])
   libglslang = declare_dependency(link_args: [
         '-lglslang',
         '-lMachineIndependent',
@@ -1188,14 +1188,21 @@ if targetos == 'windows'
       ])
 elif targetos == 'linux'
   vulkan = dependency('vulkan')
-  libglslang = declare_dependency(link_args: [
-        '-lglslang',
-        '-lMachineIndependent',
-        '-lGenericCodeGen',
-        '-lSPIRV',
-        '-lSPIRV-Tools',
-        '-lSPIRV-Tools-opt'
-      ])
+endif
+
+if vulkan.found() and not libglslang.found()
+  cmake = import('cmake')
+  # FIXME: Get spirv-tools to enable opt.
+  glslang_opts = cmake.subproject_options()
+  glslang_opts.add_cmake_defines({'ENABLE_OPT': false})
+  glslang_subpro = cmake.subproject('glslang', options: glslang_opts)
+  libglslang = declare_dependency(link_with: [
+        glslang_subpro.target('glslang'),
+        glslang_subpro.target('MachineIndependent'),
+        glslang_subpro.target('GenericCodeGen'),
+        glslang_subpro.target('SPIRV'),
+      ], include_directories: ['subprojects' / 'glslang']
+    )
 endif
 
 subdir('thirdparty')

subprojects/glslang.wrap

@@ -0,0 +1,4 @@
+[wrap-git]
+url=https://github.com/KhronosGroup/glslang
+revision=vulkan-sdk-1.3.283.0
+depth=1