qt6: don't treat absolute paths without known suffix as library (#367206

)

pkgs/development/libraries/qt-6/modules/qtbase/default.nix

@@ -228,6 +228,11 @@ stdenv.mkDerivation rec {
     ./qmlimportscanner-import-path.patch
     # don't pass qtbase's QML directory to qmlimportscanner if it's empty
     ./skip-missing-qml-directory.patch
+
+    # Qt treats linker flags without known suffix as libraries since 6.7.2 (see qt/qtbase commit ea0f00d).
+    # Don't do this for absolute paths (like `/nix/store/…/QtMultimedia.framework/Versions/A/QtMultimedia`).
+    # Upcoming upstream fix: https://codereview.qt-project.org/c/qt/qtbase/+/613683.
+    ./dont-treat-abspaths-without-suffix-as-libraries.patch
   ];
 
   postPatch = lib.optionalString stdenv.hostPlatform.isDarwin ''

pkgs/development/libraries/qt-6/modules/qtbase/dont-treat-abspaths-without-suffix-as-libraries.patch

@@ -0,0 +1,14 @@
+diff --git a/cmake/QtGenerateLibHelpers.cmake b/cmake/QtGenerateLibHelpers.cmake
+index 96675267d2..c9d4a69497 100644
+--- a/cmake/QtGenerateLibHelpers.cmake
++++ b/cmake/QtGenerateLibHelpers.cmake
+@@ -10,7 +10,7 @@ function(qt_get_library_name_without_prefix_and_suffix out_var file_path)
+     if(NOT file_path MATCHES "^-") # not a linker flag
+         get_filename_component(basename "${file_path}" NAME_WE)
+         get_filename_component(ext "${file_path}" EXT)
+-        if(NOT ext) # seems like a library name without prefix and suffix
++        if(NOT ext AND NOT IS_ABSOLUTE "${file_path}")
+             # seems like a library name without prefix and suffix
+             set(${out_var} "${file_path}" PARENT_SCOPE)
+             return()
+         endif()