--- qtwebkit-5.212.0-alpha2/Source/WebKit/PlatformQt.cmake.orig	2017-12-11 14:58:21.092231000 +0300
+++ qtwebkit-5.212.0-alpha2/Source/WebKit/PlatformQt.cmake	2017-12-11 15:02:04.943675300 +0300
@@ -490,7 +490,7 @@
     install(FILES ${WebKit_PKGCONFIG_FILENAME} DESTINATION ${ECM_PKGCONFIG_INSTALL_DIR} COMPONENT Data)
 endif ()
 
-if (KDE_INSTALL_USE_QT_SYS_PATHS)
+if (KDE_INSTALL_USE_QT_SYS_PATHS OR MINGW)
     set(WebKit_PRI_ARGUMENTS
         BIN_INSTALL_DIR "$$QT_MODULE_BIN_BASE"
         LIB_INSTALL_DIR "$$QT_MODULE_LIB_BASE"
@@ -718,7 +718,7 @@
     install(FILES ${WebKitWidgets_PKGCONFIG_FILENAME} DESTINATION ${ECM_PKGCONFIG_INSTALL_DIR} COMPONENT Data)
 endif ()
 
-if (KDE_INSTALL_USE_QT_SYS_PATHS)
+if (KDE_INSTALL_USE_QT_SYS_PATHS OR MINGW)
     set(WebKitWidgets_PRI_ARGUMENTS
         BIN_INSTALL_DIR "$$QT_MODULE_BIN_BASE"
         LIB_INSTALL_DIR "$$QT_MODULE_LIB_BASE"