meson: move SDL and SDL-image detection to meson

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 23 insertions, 9 deletions

diff --git a/meson.build b/meson.build
index 0b03726..f0374e8 100644
--- a/meson.build
+++ b/meson.build
@@ -11,6 +11,7 @@ cc = meson.get_compiler('c')
 config_host = keyval.load(meson.current_build_dir() / 'config-host.mak')
 config_all_disas = keyval.load(meson.current_build_dir() / 'config-all-disas.mak')
 enable_modules = 'CONFIG_MODULES' in config_host
+enable_static = 'CONFIG_STATIC' in config_host
 build_docs = 'BUILD_DOCS' in config_host
 config_host_data = configuration_data()
 genh = []
@@ -218,13 +219,24 @@ brlapi = not_found
 if 'CONFIG_BRLAPI' in config_host
   brlapi = declare_dependency(link_args: config_host['BRLAPI_LIBS'].split())
 endif
-sdlwindows = false
-sdl = not_found
-if 'CONFIG_SDL' in config_host
-  sdl = declare_dependency(compile_args: config_host['SDL_CFLAGS'].split(),
-                           link_args: config_host['SDL_LIBS'].split())
-  sdlwindows = config_host['SDL_LIBS'].contains('-mwindows')
+
+sdl = dependency('sdl2', required: get_option('sdl'), static: enable_static,
+                 include_type: 'system')
+sdl_image = not_found
+if sdl.found()
+  # work around 2.0.8 bug
+  sdl = declare_dependency(compile_args: '-Wno-undef',
+                           dependencies: sdl)
+  sdl_image = dependency('sdl-image', required: get_option('sdl_image'),
+                         static: enable_static)
+else
+  if get_option('sdl_image').enabled()
+    error('sdl-image required, but SDL was @0@',
+          get_option('sdl').disabled() ? 'disabled' : 'not found')
+  endif
+  sdl_image = not_found
 endif
+
 rbd = not_found
 if 'CONFIG_RBD' in config_host
   rbd = declare_dependency(link_args: config_host['RBD_LIBS'].split())
@@ -363,6 +375,8 @@ endif
 
 # Create config-host.h
 
+config_host_data.set('CONFIG_SDL', sdl.found())
+config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
@@ -963,7 +977,7 @@ foreach target : target_dirs
       'sources': files('softmmu/main.c'),
       'dependencies': []
     }]
-    if sdlwindows
+    if targetos == 'windows' and (sdl.found() or gtk.found())
       execs += [{
         'name': 'qemu-system-' + target_name + 'w',
         'gui': true,
@@ -1239,8 +1253,8 @@ if targetos == 'darwin'
   summary_info += {'Cocoa support': config_host.has_key('CONFIG_COCOA')}
 endif
 # TODO: add back version
-summary_info += {'SDL support':       config_host.has_key('CONFIG_SDL')}
-summary_info += {'SDL image support': config_host.has_key('CONFIG_SDL_IMAGE')}
+summary_info += {'SDL support':       sdl.found()}
+summary_info += {'SDL image support': sdl_image.found()}
 # TODO: add back version
 summary_info += {'GTK support':       config_host.has_key('CONFIG_GTK')}
 summary_info += {'GTK GL support':    config_host.has_key('CONFIG_GTK_GL')}