CMake: use the --build-macro option to qtwaylandscanner

So we get correct exports different from imports, which are required for
GCC 12 with -mno-direct-extern-access and protected visibility.

Change-Id: If05aeeb7176e4f13af9afffd16e856de1f4f68d6
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>

2 files changed, 31 insertions, 4 deletions

diff --git a/src/client/Qt6WaylandClientMacros.cmake b/src/client/Qt6WaylandClientMacros.cmake
index 568c33494..1f2dd272d 100644
--- a/src/client/Qt6WaylandClientMacros.cmake
+++ b/src/client/Qt6WaylandClientMacros.cmake
@@ -14,6 +14,11 @@ function(qt6_generate_wayland_protocol_client_sources target)
         message(FATAL_ERROR "qtwaylandscanner executable not found. Most likely there is an issue with your Qt installation.")
     endif()
 
+    string(TOUPPER "${target}" module_define_infix)
+    string(REPLACE "-" "_" module_define_infix "${module_define_infix}")
+    string(REPLACE "." "_" module_define_infix "${module_define_infix}")
+    set(build_macro "QT_BUILD_${module_define_infix}_LIB")
+
     foreach(protocol_file IN LISTS arg_FILES)
         get_filename_component(protocol_name "${protocol_file}" NAME_WLE)
 
@@ -49,7 +54,11 @@ function(qt6_generate_wayland_protocol_client_sources target)
 
         add_custom_command(
             OUTPUT "${qtwaylandscanner_header_output}"
-            COMMAND Qt6::qtwaylandscanner client-header "${protocol_file}" "${wayland_include_dir}" > "${qtwaylandscanner_header_output}"
+            COMMAND Qt6::qtwaylandscanner client-header
+                "${protocol_file}"
+                --build-macro=${build_macro}
+                --header-path="${wayland_include_dir}"
+                > "${qtwaylandscanner_header_output}"
             DEPENDS ${protocol_file} Qt6::qtwaylandscanner
         )
 
@@ -60,7 +69,12 @@ function(qt6_generate_wayland_protocol_client_sources target)
 
         add_custom_command(
             OUTPUT "${qtwaylandscanner_code_output}"
-            COMMAND Qt6::qtwaylandscanner client-code "${protocol_file}" --header-path='${wayland_include_dir}' --add-include='${qtwaylandscanner_code_include}' > "${qtwaylandscanner_code_output}"
+            COMMAND Qt6::qtwaylandscanner client-code
+                "${protocol_file}"
+                --build-macro=${build_macro}
+                --header-path='${wayland_include_dir}'
+                --add-include='${qtwaylandscanner_code_include}'
+                > "${qtwaylandscanner_code_output}"
             DEPENDS ${protocol_file} Qt6::qtwaylandscanner
         )
 
diff --git a/src/compositor/Qt6WaylandCompositorMacros.cmake b/src/compositor/Qt6WaylandCompositorMacros.cmake
index 92ad04696..91d0d2830 100644
--- a/src/compositor/Qt6WaylandCompositorMacros.cmake
+++ b/src/compositor/Qt6WaylandCompositorMacros.cmake
@@ -14,6 +14,11 @@ function(qt6_generate_wayland_protocol_server_sources target)
         message(FATAL_ERROR "qtwaylandscanner executable not found. Most likely there is an issue with your Qt installation.")
     endif()
 
+    string(TOUPPER "${target}" module_define_infix)
+    string(REPLACE "-" "_" module_define_infix "${module_define_infix}")
+    string(REPLACE "." "_" module_define_infix "${module_define_infix}")
+    set(build_macro "QT_BUILD_${module_define_infix}_LIB")
+
     foreach(protocol_file IN LISTS arg_FILES)
         get_filename_component(protocol_name "${protocol_file}" NAME_WLE)
 
@@ -47,12 +52,20 @@ function(qt6_generate_wayland_protocol_server_sources target)
 
         add_custom_command(
             OUTPUT "${qtwaylandscanner_header_output}"
-            COMMAND Qt6::qtwaylandscanner server-header "${protocol_file}" "${wayland_include_dir}" > "${qtwaylandscanner_header_output}"
+            COMMAND Qt6::qtwaylandscanner server-header
+                "${protocol_file}"
+                --build-macro=${build_macro}
+                --header-path='${wayland_include_dir}'
+                > "${qtwaylandscanner_header_output}"
         )
 
         add_custom_command(
             OUTPUT "${qtwaylandscanner_code_output}"
-            COMMAND Qt6::qtwaylandscanner server-code "${protocol_file}" "${wayland_include_dir}" > "${qtwaylandscanner_code_output}"
+            COMMAND Qt6::qtwaylandscanner server-code
+                "${protocol_file}"
+                --build-macro=${build_macro}
+                --header-path='${wayland_include_dir}'
+                > "${qtwaylandscanner_code_output}"
         )
 
         target_sources(${target} PRIVATE