1 files changed, 31 insertions, 4 deletions
diff --git a/extra/qt5-base/PKGBUILD b/extra/qt5-base/PKGBUILD
index 8b08f917..7b301389 100644
--- a/extra/qt5-base/PKGBUILD
+++ b/extra/qt5-base/PKGBUILD
@@ -7,14 +7,41 @@ if [ "$CARCH" = 'i486' -o "$CARCH" = 'i686' ]; then
   )"
 fi
 
-makedepends=(${makedepends[@]/vulkan-headers/})
-makedepends_i686+=(vulkan-headers)
-makedepends_pentium4=("${makedepends_i686[@]}")
+# enable XCB explicitely for now on i486 (rather fail early than to
+# get weird startup messages of Qt5 applications hours later)
 if [ "$CARCH" = 'i486' ]; then
   eval "$(
     declare -f build | \
       sed '
-        s@./configure@./configure -no-feature-vulkan@g
+        s/configure/configure -xcb /
+      '
+  )"  
+fi
+
+# no LTO on i486
+if [ "$CARCH" = 'i486' ]; then
+  sed -i '
+    1i options=(!lto)
+  ' PKGBUILD
+fi
+if [ "$CARCH" = 'i486' ]; then
+  eval "$(
+    declare -f build | \
+      sed '
+        s/-ltcg/-no-ltcg/
+        s/\(.*qmake *\)CONFIG+=fat-static-lto\(.*\)/\1 \2/
+      '
+  )"  
+fi
+# -no-ltcg is partially ignored, patching it directly in the mkspecs
+source+=('qtbase-no-ltcg-broken.patch')
+sha256sums+=('024549dbb8cc76921c16070b4cf1253e88fd33f78d6756e2ee398c405b8d1979')
+if [ "$CARCH" = 'i486' ]; then
+  eval "$(
+    declare -f prepare | \
+      sed '
+        $ i \
+          patch -p1 < ../qtbase-no-ltcg-broken.patch
       '
   )"
 fi