Provide a qtpaths wrapper script when cross-building Qt

The qtpaths tool is supposed to replace "qmake -query", and it must be
available for cross-builds as a wrapper script like qmake.

Re-use the existing facility for creating the qmake wrapper script for
creating the qtpaths wrapper script.

Fixes: QTBUG-97821
Change-Id: I460bae61a531994422e1c0fba09c79e4aa65713f
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
(cherry picked from commit 71e490f0baee0d27a45a17886c48f5defbbaea42)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>

2 files changed, 18 insertions, 16 deletions

diff --git a/cmake/QtBaseGlobalTargets.cmake b/cmake/QtBaseGlobalTargets.cmake
index b165914938..7d2f95de3e 100644
--- a/cmake/QtBaseGlobalTargets.cmake
+++ b/cmake/QtBaseGlobalTargets.cmake
@@ -110,7 +110,7 @@ qt_feature_module_end(GlobalConfig OUT_VAR_PREFIX "__GlobalConfig_")
 qt_generate_global_config_pri_file()
 qt_generate_global_module_pri_file()
 qt_generate_global_device_pri_file()
-qt_generate_qmake_wrapper_for_target()
+qt_generate_qmake_and_qtpaths_wrapper_for_target()
 
 add_library(Qt::GlobalConfig ALIAS GlobalConfig)
 
diff --git a/cmake/QtQmakeHelpers.cmake b/cmake/QtQmakeHelpers.cmake
index 7c5d21ce78..930d5318db 100644
--- a/cmake/QtQmakeHelpers.cmake
+++ b/cmake/QtQmakeHelpers.cmake
@@ -81,10 +81,10 @@ function(qt_generate_qconfig_cpp in_file out_file)
 endfunction()
 
 # In the cross-compiling case, creates a wrapper around the host Qt's
-# qmake executable. Also creates a qmake configuration file that sets
+# qmake and qtpaths executables. Also creates a qmake configuration file that sets
 # up the host qmake's properties for cross-compiling with this Qt
 # build.
-function(qt_generate_qmake_wrapper_for_target)
+function(qt_generate_qmake_and_qtpaths_wrapper_for_target)
     if(NOT CMAKE_CROSSCOMPILING)
         return()
     endif()
@@ -140,27 +140,29 @@ TargetSpec=${QT_QMAKE_TARGET_MKSPEC}
 HostSpec=${QT_QMAKE_HOST_MKSPEC}
 ")
     file(GENERATE OUTPUT "${qt_conf_path}" CONTENT "${content}")
+    qt_install(FILES "${CMAKE_CURRENT_BINARY_DIR}/${qt_conf_path}"
+        DESTINATION "${INSTALL_BINDIR}")
 
-    qt_path_join(qmake_wrapper_in_file "${CMAKE_CURRENT_SOURCE_DIR}/bin/qmake-wrapper-for-target")
-    set(qmake_wrapper "qmake")
+    set(wrapper_prefix)
+    set(wrapper_extension)
     if(QT_BUILD_TOOLS_WHEN_CROSSCOMPILING)
-        # Avoid collisions with the cross-compiled qmake binary.
-        string(PREPEND qmake_wrapper "host-")
+        # Avoid collisions with the cross-compiled qmake/qtpaths binaries.
+        set(wrapper_prefix "host-")
     endif()
     if(CMAKE_HOST_SYSTEM_NAME STREQUAL "Windows")
-        string(APPEND qmake_wrapper_in_file ".bat")
-        string(APPEND qmake_wrapper ".bat")
+        set(wrapper_extension ".bat")
     endif()
-    string(APPEND qmake_wrapper_in_file ".in")
 
+    set(wrapper_in_file
+        "${CMAKE_CURRENT_SOURCE_DIR}/bin/qmake-and-qtpaths-wrapper${wrapper_extension}.in")
     set(host_qt_bindir "${host_prefix}/${QT${PROJECT_VERSION_MAJOR}_HOST_INFO_BINDIR}")
-    qt_path_join(qmake_wrapper "preliminary" "${qmake_wrapper}")
 
-    configure_file("${qmake_wrapper_in_file}" "${qmake_wrapper}" @ONLY)
-    qt_install(FILES "${CMAKE_CURRENT_BINARY_DIR}/${qt_conf_path}"
-        DESTINATION "${INSTALL_BINDIR}")
-    qt_copy_or_install(PROGRAMS "${CMAKE_CURRENT_BINARY_DIR}/${qmake_wrapper}"
-        DESTINATION "${INSTALL_BINDIR}")
+    foreach(tool_name qmake qtpaths)
+        set(wrapper "preliminary/${wrapper_prefix}${tool_name}${wrapper_extension}")
+        configure_file("${wrapper_in_file}" "${wrapper}" @ONLY)
+        qt_copy_or_install(PROGRAMS "${CMAKE_CURRENT_BINARY_DIR}/${wrapper}"
+            DESTINATION "${INSTALL_BINDIR}")
+    endforeach()
 endfunction()
 
 # Transforms a CMake Qt module name to a qmake Qt module name.