--- common/qt5-pie.m4.orig	2018-12-22 20:56:34.850352000 +0100
+++ common/qt5-pie.m4	2018-12-22 20:56:34.850515000 +0100
@@ -0,0 +1,27 @@
+AC_DEFUN([AC_AVAHI_QT_ADD_PIC_IF_NEEDED],
+[
+    AC_LANG_PUSH([C++])
+	save_CPPFLAGS="$CPPFLAGS"
+	CPPFLAGS="$CPPFLAGS $QT5_CFLAGS"
+	AC_MSG_CHECKING([whether Qt works without -fPIC])
+	AC_PREPROC_IFELSE(
+		[AC_LANG_SOURCE([[#include <QtCore>]])],
+		[AC_MSG_RESULT(yes)],
+		[
+			AC_MSG_RESULT(no)
+			AC_MSG_CHECKING([whether Qt works with -fPIC])
+			CPPFLAGS="$CPPFLAGS -fPIC"
+			AC_PREPROC_IFELSE(
+				[AC_LANG_SOURCE([[#include <QtCore>]])],
+				[
+					AC_MSG_RESULT(yes)
+					QT5_CFLAGS="$QT5_CFLAGS -fPIC"
+				],
+				[
+					AC_MSG_RESULT(no)
+					AC_MSG_ERROR(Couldn't compile Qt without -fPIC nor with -fPIC)
+				])
+		])
+	CPPFLAGS="$save_CPPFLAGS"
+    AC_LANG_POP([C++])
+])