diff -Nur qscintilla-2.11.2/Qt4Qt5/Qsci/qsciglobal.h QScintilla_gpl-2.11.2/Qt4Qt5/Qsci/qsciglobal.h
--- qscintilla-2.11.2/Qt4Qt5/Qsci/qsciglobal.h	2019-06-27 13:40:05.000000000 +0800
+++ QScintilla_gpl-2.11.2/Qt4Qt5/Qsci/qsciglobal.h	2019-06-25 20:49:27.000000000 +0800
@@ -28,11 +28,15 @@
 #define QSCINTILLA_VERSION_STR  "2.11.2"
 
 
-// Define QSCINTILLA_MAKE_DLL to create a QScintilla shared library.
-#ifdef QSCINTILLA_MAKE_DLL
-    #define QSCINTILLA_EXPORT Q_DECL_EXPORT
+// Define QSCINTILLA_MAKE_DLL to create a QScintilla shared library, or
+// define QSCINTILLA_DLL to link against a QScintilla shared library, or define
+// neither to either build or link against a static QScintilla library.
+#if defined(QSCINTILLA_DLL)
+#define QSCINTILLA_EXPORT       Q_DECL_IMPORT
+#elif defined(QSCINTILLA_MAKE_DLL)
+#define QSCINTILLA_EXPORT       Q_DECL_EXPORT
 #else
-    #define QSCINTILLA_EXPORT Q_DECL_IMPORT
+#define QSCINTILLA_EXPORT
 #endif
 
 
diff -Nur qscintilla-2.11.2/Qt4Qt5/qscintilla.pro QScintilla_gpl-2.11.2/Qt4Qt5/qscintilla.pro
--- qscintilla-2.11.2/Qt4Qt5/qscintilla.pro	2019-06-27 13:40:05.000000000 +0800
+++ QScintilla_gpl-2.11.2/Qt4Qt5/qscintilla.pro	2019-06-25 20:49:27.000000000 +0800
@@ -68,18 +68,20 @@
 # Scintilla namespace rather than pollute the global namespace.
 #DEFINES += SCI_NAMESPACE
 
-target.path = $$INSTALL_DIR/lib
+target.path = $$[QT_INSTALL_LIBS]
 INSTALLS += target
 
-header.path = $$INSTALL_DIR/include
+header.path = $$[QT_INSTALL_HEADERS]
 header.files = Qsci
 INSTALLS += header
 
 trans.path = $$[QT_INSTALL_TRANSLATIONS]
 trans.files = qscintilla_*.qm
+INSTALLS += trans
 
 qsci.path = $$[QT_INSTALL_DATA]
 qsci.files = ../qsci
+INSTALLS += qsci
 
 greaterThan(QT_MAJOR_VERSION, 4) {
     features.path = $$[QT_HOST_DATA]/mkspecs/features
@@ -91,6 +93,7 @@
 } else {
     features.files = $$PWD/features/qscintilla2.prf
 }
+INSTALLS += features
 
 HEADERS = \
 	./Qsci/qsciglobal.h \