commit 090568f9a8b9b8cfeaa2574f5d153f9b971d4847
Author: Steffen Hau <steffen@hauihau.de>
Date:   Mon Mar 11 21:53:48 2024 +0100

    qt6 does not require qt5

diff --git a/www-client/chromium/chromium-123.0.6312.46.ebuild b/www-client/chromium/chromium-123.0.6312.46.ebuild
index 915ecb3..190b384 100644
--- a/www-client/chromium/chromium-123.0.6312.46.ebuild
+++ b/www-client/chromium/chromium-123.0.6312.46.ebuild
@@ -83,7 +83,6 @@ IUSE+=" qt5 qt6 screencast selinux +system-toolchain vaapi wayland widevine"
 REQUIRED_USE="
 	!headless? ( || ( X wayland ) )
 	pgo? ( X !wayland )
-	qt6? ( qt5 )
 	screencast? ( wayland )
 	!system-toolchain? ( libcxx )
 "
@@ -159,7 +158,7 @@ COMMON_DEPEND="
 			dev-qt/qtcore:5
 			dev-qt/qtwidgets:5
 		)
-		qt6? ( dev-qt/qtbase:6[gui,widgets] )
+		qt6? ( dev-qt/qtbase:6[widgets] )
 	)
 "
 RDEPEND="${COMMON_DEPEND}
@@ -169,7 +168,7 @@ RDEPEND="${COMMON_DEPEND}
 			gui-libs/gtk:4[X?,wayland?]
 		)
 		qt5? ( dev-qt/qtgui:5[X?,wayland?] )
-		qt6? ( dev-qt/qtbase:6[X?,wayland?] )
+		qt6? ( dev-qt/qtbase:6[gui,X?,wayland?] )
 	)
 	virtual/ttf-fonts
 	selinux? ( sec-policy/selinux-chromium )
@@ -177,6 +176,8 @@ RDEPEND="${COMMON_DEPEND}
 DEPEND="${COMMON_DEPEND}
 	!headless? (
 		gtk4? ( gui-libs/gtk:4[X?,wayland?] )
+		qt5? ( dev-qt/qtgui:5[X?,wayland?] )
+		qt6? ( dev-qt/qtbase:6[gui,X?,wayland?] )
 		!gtk4? ( x11-libs/gtk+:3[X?,wayland?] )
 	)
 "
@@ -397,6 +398,7 @@ src_prepare() {
 		"${FILESDIR}/chromium-109-system-zlib.patch"
 		"${FILESDIR}/chromium-111-InkDropHost-crash.patch"
 		"${FILESDIR}/chromium-117-system-zstd.patch"
+		"${FILESDIR}/chromium-123-separate-qt56.patch"
 	)
 
 	if use system-toolchain; then
@@ -1071,6 +1073,7 @@ chromium_configure() {
 			fi
 
 			myconf_gn+=" use_qt=true"
+			myconf_gn+=" use_qt5=$(usex qt5 true false)"
 			myconf_gn+=" use_qt6=$(usex qt6 true false)"
 		else
 			myconf_gn+=" use_qt=false"
diff --git a/www-client/chromium/files/chromium-123-separate-qt56.patch b/www-client/chromium/files/chromium-123-separate-qt56.patch
new file mode 100644
index 0000000..16a62b7
--- /dev/null
+++ b/www-client/chromium/files/chromium-123-separate-qt56.patch
@@ -0,0 +1,129 @@
+diff -Naur a/chrome/installer/linux/BUILD.gn b/chrome/installer/linux/BUILD.gn
+--- a/chrome/installer/linux/BUILD.gn	2024-02-29 20:36:13.789629500 +0100
++++ b/chrome/installer/linux/BUILD.gn	2024-03-06 14:37:30.637215120 +0100
+@@ -81,10 +81,12 @@
+   # Even though this is a shared library, add it to `packaging_files` instead of
+   # `packaging_files_shlibs` to skip the dependency check.  This is intentional
+   # to prevent a hard dependency on QT for the package.
+-  packaging_files += [ "$root_out_dir/libqt5_shim.so" ]
+-}
+-if (use_qt6) {
+-  packaging_files += [ "$root_out_dir/libqt6_shim.so" ]
++  if (use_qt65 {
++    packaging_files += [ "$root_out_dir/libqt5_shim.so" ]
++  }
++  if (use_qt6) {
++    packaging_files += [ "$root_out_dir/libqt6_shim.so" ]
++  }
+ }
+ 
+ action_foreach("calculate_deb_dependencies") {
+@@ -209,15 +211,17 @@
+ }
+ 
+ if (use_qt) {
+-  strip_binary("strip_qt5_shim") {
+-    binary_input = "$root_out_dir/libqt5_shim.so"
+-    deps = [ "//ui/qt:qt5_shim" ]
++  if (use_qt5) {
++    strip_binary("strip_qt5_shim") {
++      binary_input = "$root_out_dir/libqt5_shim.so"
++      deps = [ "//ui/qt:qt5_shim" ]
++    }
+   }
+-}
+-if (use_qt6) {
+-  strip_binary("strip_qt6_shim") {
+-    binary_input = "$root_out_dir/libqt6_shim.so"
+-    deps = [ "//ui/qt:qt6_shim" ]
++  if (use_qt6) {
++    strip_binary("strip_qt6_shim") {
++      binary_input = "$root_out_dir/libqt6_shim.so"
++      deps = [ "//ui/qt:qt6_shim" ]
++    }
+   }
+ }
+ 
+@@ -401,16 +405,18 @@
+     ]
+   }
+   if (use_qt) {
+-    public_deps += [
+-      ":strip_qt5_shim",
+-      "//ui/qt:qt5_shim",
+-    ]
+-  }
+-  if (use_qt6) {
+-    public_deps += [
+-      ":strip_qt6_shim",
+-      "//ui/qt:qt6_shim",
+-    ]
++    if (use_qt5) {
++      public_deps += [
++        ":strip_qt5_shim",
++        "//ui/qt:qt5_shim",
++      ]
++    }
++    if (use_qt6) {
++      public_deps += [
++        ":strip_qt6_shim",
++        "//ui/qt:qt6_shim",
++      ]
++    }
+   }
+ }
+ 
+diff -Naur a/ui/qt/BUILD.gn b/ui/qt/BUILD.gn
+--- a/ui/qt/BUILD.gn	2024-02-29 20:36:57.221363300 +0100
++++ b/ui/qt/BUILD.gn	2024-03-06 14:41:22.236018488 +0100
+@@ -101,10 +101,12 @@
+     }
+   }
+ }
+-qt_shim("qt5_shim") {
+-  qt_version = "5"
+-  if (!use_sysroot) {
+-    moc_qt_path = "$moc_qt5_path"
++if (use_qt5) {
++  qt_shim("qt5_shim") {
++    qt_version = "5"
++    if (!use_sysroot) {
++      moc_qt_path = "$moc_qt5_path"
++    }
+   }
+ }
+ if (use_qt6) {
+@@ -122,7 +124,10 @@
+   defines = [ "IS_QT_IMPL" ]
+ 
++  data_deps = []
+   # qt_shim is in data_deps since we want to load it manually.
+-  data_deps = [ ":qt5_shim" ]
++  if (use_qt5) {
++    data_deps += [ ":qt5_shim" ]
++  }
+   if (use_qt6) {
+     data_deps += [ ":qt6_shim" ]
+   }
+diff -Naur a/ui/qt/qt.gni b/ui/qt/qt.gni
+--- a/ui/qt/qt.gni	2024-02-29 20:36:57.221363300 +0100
++++ b/ui/qt/qt.gni	2024-03-06 14:39:22.991005912 +0100
+@@ -13,7 +13,11 @@
+ }
+ 
+ declare_args() {
+-  if (!use_sysroot && use_qt) {
++  use_qt5 = use_qt && use_sysroot
++}
++
++declare_args() {
++  if (!use_sysroot && use_qt5) {
+     moc_qt5_path = ""
+   }
+ }
+@@ -29,4 +33,5 @@
+ }
+ 
+ # use_qt6 => use_qt
++assert(!use_qt5 || use_qt)
+ assert(!use_qt6 || use_qt)