qt5: add test that cmake works with QUiLoader

See mxe#1185

src/qttools-test/CMakeLists.txt

@@ -0,0 +1,31 @@
+# This file is part of MXE.
+# See index.html for further information.
+
+# Source: https://github.com/mxe/mxe/issues/1185
+
+cmake_minimum_required(VERSION 3.0)
+find_package(Qt5 REQUIRED COMPONENTS Core Widgets Gui UiTools)
+
+include_directories(${Qt5UiTools_INCLUDE_DIRS})
+add_executable(mxe-cmake-qtuitools mxe-cmake-qtuitools.cpp)
+# NB: Qt5Widgets, Qt5Gui, Qt5Core must be given separately; otherwise they are
+# appended automatically at the end, making it impossible to satisfy all the
+# other implicit dependencies (opengl, harfbuzz, etc.)
+target_link_libraries(
+    mxe-cmake-qtuitools
+    ${Qt5UiTools_LIBRARIES}
+    ${Qt5Widgets_LIBRARIES}
+    ${Qt5Gui_LIBRARIES}
+    ${Qt5Core_LIBRARIES}
+    opengl32
+    harfbuzz
+    jpeg
+    png
+    glib-2.0
+    winmm
+    ws2_32
+    intl
+    iconv
+    pcre16
+    z
+)

src/qttools-test/mxe-cmake-qtuitools.cpp

@@ -0,0 +1,11 @@
+// This file is part of MXE.
+// See index.html for further information.
+
+// Source: https://github.com/mxe/mxe/issues/1185
+
+#include <QUiLoader>
+
+int main() {
+    QUiLoader l;
+    return 0;
+}

src/qttools.mk

@@ -18,5 +18,12 @@ define $(PKG)_BUILD
     cd '$(1)' && '$(PREFIX)/$(TARGET)/qt5/bin/qmake'
     $(MAKE) -C '$(1)' -j '$(JOBS)'
     $(MAKE) -C '$(1)' -j 1 install
+
+    # test QUiLoader
+    mkdir '$(1)'.test
+    cd '$(1)'.test && '$(TARGET)-cmake' '$(PWD)/src/qttools-test'
+    $(MAKE) -C '$(1)'.test
+    cp '$(1)'.test/mxe-cmake-qtuitools.exe \
+        '$(PREFIX)/$(TARGET)/bin/test-qttools.exe'
 endef