QtPdf: build verbosely if CMAKE_VERBOSE_MAKEFILE=ON

--- a/qtwebengine/cmake/Gn.cmake
+++ b/qtwebengine/cmake/Gn.cmake
@@ -56,6 +56,11 @@
    list(APPEND gnArg --threads=${GN_THREADS})
 endif()
 
+if(CMAKE_VERBOSE_MAKEFILE)
+    # Enable verbose output of ninja
+    list(APPEND gnArg --ninja-extra-args=-v)
+endif()
+
 STRING(REGEX REPLACE "\n" ";" printArgArg "${gnArgArg}")
 LIST(SORT printArgArg)
 STRING(REGEX REPLACE ";" "\n" printArgArg "${printArgArg}")
--- a/qtwebengine/cmake/Functions.cmake
+++ b/qtwebengine/cmake/Functions.cmake
@@ -1090,6 +1090,9 @@
     _qt_internal_validate_all_args_are_parsed(arg)
 
     string(REPLACE " " ";" NINJAFLAGS "$ENV{NINJAFLAGS}")
+    if(CMAKE_VERBOSE_MAKEFILE)
+        list(APPEND NINJAFLAGS -v)
+    endif()
     list(TRANSFORM arg_OUTPUT PREPEND "${arg_BUILDDIR}/")
     list(TRANSFORM arg_BYPRODUCTS PREPEND "${arg_BUILDDIR}/")
     add_custom_command(
@@ -1222,6 +1225,10 @@
       set(QT_HOST_GN_PATH ${QT_HOST_PATH}/${INSTALL_LIBEXECDIR})
     endif()
 
+    if(CMAKE_VERBOSE_MAKEFILE)
+        list(APPEND ADDITIONAL_CMAKE_COMMAND_ARGS -DCMAKE_VERBOSE_MAKEFILE=ON)
+    endif()
+
     add_custom_command(
         OUTPUT ${output}
         COMMAND ${CMAKE_COMMAND}
@@ -1232,6 +1239,7 @@
              -DPython3_EXECUTABLE=${Python3_EXECUTABLE}
              -DGN_THREADS=$ENV{QTWEBENGINE_GN_THREADS}
              -DQT_ALLOW_SYMLINK_IN_PATHS=${QT_ALLOW_SYMLINK_IN_PATHS}
+             ${ADDITIONAL_CMAKE_COMMAND_ARGS}
              -P ${WEBENGINE_ROOT_SOURCE_DIR}/cmake/Gn.cmake
         WORKING_DIRECTORY ${WEBENGINE_ROOT_BUILD_DIR}
         COMMENT "Run gn for target ${arg_CMAKE_TARGET} in ${arg_BUILDDIR}"

--- a/qtwebengine/src/gn/CMakeLists.txt
+++ b/qtwebengine/src/gn/CMakeLists.txt
@@ -55,6 +55,10 @@
     message(FATAL_ERROR "Unsupported gn platform !")
 endif()
 
+if(CMAKE_VERBOSE_MAKEFILE)
+    list(APPEND ninjaArgs -v)
+endif()
+
 add_custom_command(
     OUTPUT ${GN_EXECUTABLE}
     WORKING_DIRECTORY ${GN_BINARY_DIR}
@@ -69,7 +73,7 @@
         --qt-version "${QT_REPO_MODULE_VERSION}.qtwebengine.qt.io"
         $<$<PLATFORM_ID:Darwin>:--isysroot>
         $<$<PLATFORM_ID:Darwin>:${CMAKE_OSX_SYSROOT}>
-    COMMAND Ninja::ninja -C ${GN_BINARY_DIR}/$<CONFIG> ${GN_EXECUTABLE}
+    COMMAND Ninja::ninja ${ninjaArgs} -C ${GN_BINARY_DIR}/$<CONFIG> ${GN_EXECUTABLE}
     VERBATIM
     USES_TERMINAL
     COMMAND_EXPAND_LISTS

--- a/qtwebengine/src/CMakeLists.txt
+++ b/qtwebengine/src/CMakeLists.txt
@@ -115,6 +115,7 @@
         CMAKE_ARGS -DCMAKE_BUILD_TYPE=Release
                    -DCMAKE_INSTALL_PREFIX:PATH=<INSTALL_DIR>
                    -DCMAKE_PREFIX_PATH:PATH=<INSTALL_DIR>
+                   -DCMAKE_VERBOSE_MAKEFILE=${CMAKE_VERBOSE_MAKEFILE}
     )
     if(QT_FEATURE_qtwebengine_core_build)
         add_dependencies(run_core_NinjaReady ninja)
@@ -145,6 +146,7 @@
                    -DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}
                    -DCMAKE_INSTALL_PREFIX:PATH=<INSTALL_DIR>
                    -DCMAKE_PREFIX_PATH:PATH=<INSTALL_DIR>
+                   -DCMAKE_VERBOSE_MAKEFILE=${CMAKE_VERBOSE_MAKEFILE}
                    -DWEBENGINE_ROOT_BUILD_DIR=${PROJECT_BINARY_DIR}
                    -DQT_ALLOW_SYMLINK_IN_PATHS=${QT_ALLOW_SYMLINK_IN_PATHS}
     )