configure, meson: Migrate renderdoc option to meson

configure

@@ -273,7 +273,6 @@ EXTRA_OBJCFLAGS=""
 EXTRA_LDFLAGS=""
 
 debug_tcg="no"
-renderdoc="$auto"
 sanitizers="no"
 tsan="no"
 fortify_source="yes"
@@ -800,10 +799,6 @@ for opt do
   ;;
   --disable-tsan) tsan="no"
   ;;
-  --disable-renderdoc) renderdoc="disabled"
-  ;;
-  --enable-renderdoc) renderdoc="enabled"
-  ;;
   --disable-tcg) tcg="disabled"
                  plugins="no"
   ;;
@@ -1054,7 +1049,6 @@ cat << EOF
   debug-info      debugging information
   safe-stack      SafeStack Stack Smash Protection. Depends on
                   clang/llvm >= 3.7 and requires coroutine backend ucontext.
-  renderdoc       improved RenderDoc frame capture support
 
 NOTE: The object files are built at the place where configure is launched
 EOF
@@ -2687,9 +2681,6 @@ if test "$skip_meson" = no; then
 
   rm -rf meson-private meson-info meson-logs
 
-  # xemu
-  meson_option_add "-Drenderdoc=$renderdoc"
-
   # Built-in options
   test "$bindir" != "bin" && meson_option_add "-Dbindir=$bindir"
   test "$default_feature" = no && meson_option_add -Dauto_features=disabled

meson_options.txt

@@ -323,3 +323,6 @@ option('profiler', type: 'boolean', value: false,
        description: 'profiler support')
 option('slirp_smbd', type : 'feature', value : 'auto',
        description: 'use smbd (at path --smbd=*) in slirp networking')
+
+option('renderdoc', type: 'feature', value: 'auto',
+       description: 'improved RenderDoc frame capture support')