Merge ~santoshbit2007/oxide:uitk_build_fix_cross_compile into oxide:master

[Santosh]

I encountered error while cross-compiling for arm when uitk is enabled

No such file or directory
AUTORCC: error: process for /home/oxide_git_arm/oxide_src/src/objdir_release/oxide/qt/uitk/lib/qrc_resources.cpp failed:
No such file or directory
Generating moc_oxideubuntuwebcontextmenu.cpp
Generating moc_oxideubuntuwebcontextmenuitem.cpp
Generating moc_oxideubuntuwebview.cpp
Generating moc_uitk_before_unload_dialog.cpp
Generating moc_uitk_file_picker.cpp
Generating moc_uitk_javascript_dialog.cpp
Generating moc_uitk_web_context_menu.cpp
Generating moc_uitk_web_popup_menu.cpp
rcc failed...
oxide/qt/uitk/lib/CMakeFiles/OxideUbuntuUITK_automoc.dir/build.make:49: recipe for target 'oxide/qt/uitk/lib/CMakeFiles/OxideUbuntuUITK_automoc' failed
make[2]: *** [oxide/qt/uitk/lib/CMakeFiles/OxideUbuntuUITK_automoc] Error 1
CMakeFiles/Makefile2:3435: recipe for target 'oxide/qt/uitk/lib/CMakeFiles/OxideUbuntuUITK_automoc.dir/all' failed
make[1]: *** [oxide/qt/uitk/lib/CMakeFiles/OxideUbuntuUITK_automoc.dir/all] Error 2
Makefile:117: recipe for target 'all' failed
make: *** [all] Error 2

[Chris Coulson (chrisccoulson)]

review: Approve

diff --git a/build/cmake/qt/ProjectInit.cmake b/build/cmake/qt/ProjectInit.cmake
index ca86364..023952e 100644
--- a/build/cmake/qt/ProjectInit.cmake
+++ b/build/cmake/qt/ProjectInit.cmake
@@ -25,9 +25,6 @@ if(CMAKE_CROSSCOMPILING)
   if(NOT TARGET Qt5::qmake)
     add_executable(Qt5::qmake IMPORTED)
   endif()
-  if(NOT TARGET Qt5::rcc)
-    add_executable(Qt5::rcc IMPORTED)
-  endif()
   if(NOT TARGET Qt5::uic)
     add_executable(Qt5::uic IMPORTED)
   endif()
@@ -58,4 +55,18 @@ if(CMAKE_CROSSCOMPILING)
         IMPORTED_LOCATION "${QT_MOC_EXECUTABLE}")
     unset(QT_MOC_EXECUTABLE)
   endif()
+
+  if(NOT TARGET Qt5::rcc)
+    find_program(
+      QT_RCC_EXECUTABLE rcc
+        PATHS /usr/lib/qt5/bin /usr/lib/${OXIDE_LIBRARY_HOST_ARCHITECTURE}/qt5/bin
+        NO_DEFAULT_PATH)
+    if(QT_RCC_EXECUTABLE STREQUAL "QT_RCC_EXECUTABLE-NOTFOUND")
+      message(FATAL_ERROR "Can't find a rcc executable for the host arch")
+    endif()
+    add_executable(Qt5::rcc IMPORTED)
+    set_target_properties(Qt5::rcc PROPERTIES
+      IMPORTED_LOCATION "${QT_RCC_EXECUTABLE}")
+    unset(QT_RCC_EXECUTABLE)
+  endif()
 endif()