ElementsProject · pstratem · Dec 31, 2015 · Jul 23, 2015 · Nov 10, 2015 · Nov 10, 2015
diff --git a/build-aux/m4/bitcoin_qt.m4 b/build-aux/m4/bitcoin_qt.m4
@@ -105,24 +105,42 @@ AC_DEFUN([BITCOIN_QT_CONFIGURE],[
   dnl results to QT_LIBS.
   BITCOIN_QT_CHECK([
   TEMP_CPPFLAGS=$CPPFLAGS
-  CPPFLAGS=$QT_INCLUDES
+  TEMP_CXXFLAGS=$CXXFLAGS
+  CPPFLAGS="$QT_INCLUDES $CPPFLAGS"
+  CXXFLAGS="$PIC_FLAGS $CXXFLAGS"
   if test x$bitcoin_qt_got_major_vers = x5; then
     _BITCOIN_QT_IS_STATIC
     if test x$bitcoin_cv_static_qt = xyes; then
       AC_DEFINE(QT_STATICPLUGIN, 1, [Define this symbol if qt plugins are static])
       if test x$qt_plugin_path != x; then
-        QT_LIBS="$QT_LIBS -L$qt_plugin_path/accessible"
         QT_LIBS="$QT_LIBS -L$qt_plugin_path/platforms"
       fi
       if test x$use_pkgconfig = xyes; then
         PKG_CHECK_MODULES([QTPLATFORM], [Qt5PlatformSupport], [QT_LIBS="$QTPLATFORM_LIBS $QT_LIBS"])
       fi
-      _BITCOIN_QT_CHECK_STATIC_PLUGINS([Q_IMPORT_PLUGIN(AccessibleFactory)], [-lqtaccessiblewidgets])
+      AC_CACHE_CHECK(for Qt < 5.4, bitcoin_cv_need_acc_widget,[AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
+          [[#include <QtCore>]],[[
+          #if QT_VERSION >= 0x050400
+          choke;
+          #endif
+          ]])],
+        [bitcoin_cv_need_acc_widget=yes],
+        [bitcoin_cv_need_acc_widget=no])
+      ])
+      if test "x$bitcoin_cv_need_acc_widget" = "xyes"; then
+        if test x$qt_plugin_path != x; then
+          QT_LIBS="$QT_LIBS -L$qt_plugin_path/accessible"
+        fi
+        _BITCOIN_QT_CHECK_STATIC_PLUGINS([Q_IMPORT_PLUGIN(AccessibleFactory)], [-lqtaccessiblewidgets])
+      fi
       if test x$TARGET_OS = xwindows; then
         _BITCOIN_QT_CHECK_STATIC_PLUGINS([Q_IMPORT_PLUGIN(QWindowsIntegrationPlugin)],[-lqwindows])
         AC_DEFINE(QT_QPA_PLATFORM_WINDOWS, 1, [Define this symbol if the qt platform is windows])
       elif test x$TARGET_OS = xlinux; then
         PKG_CHECK_MODULES([X11XCB], [x11-xcb], [QT_LIBS="$X11XCB_LIBS $QT_LIBS"])
+        if ${PKG_CONFIG} --exists "Qt5Core >= 5.5" 2>/dev/null; then
+          PKG_CHECK_MODULES([QTXCBQPA], [Qt5XcbQpa], [QT_LIBS="$QTXCBQPA_LIBS $QT_LIBS"])
+        fi
         _BITCOIN_QT_CHECK_STATIC_PLUGINS([Q_IMPORT_PLUGIN(QXcbIntegrationPlugin)],[-lqxcb -lxcb-static])
         AC_DEFINE(QT_QPA_PLATFORM_XCB, 1, [Define this symbol if the qt platform is xcb])
       elif test x$TARGET_OS = xdarwin; then
@@ -151,6 +169,7 @@ AC_DEFUN([BITCOIN_QT_CONFIGURE],[
     fi
   fi
   CPPFLAGS=$TEMP_CPPFLAGS
+  CXXFLAGS=$TEMP_CXXFLAGS
   ])
 
   if test x$use_pkgconfig$qt_bin_path = xyes; then
@@ -159,6 +178,43 @@ AC_DEFUN([BITCOIN_QT_CONFIGURE],[
     fi
   fi
 
+  if test x$use_hardening != xno; then
+    BITCOIN_QT_CHECK([
+    AC_MSG_CHECKING(whether -fPIE can be used with this Qt config)
+    TEMP_CPPFLAGS=$CPPFLAGS
+    TEMP_CXXFLAGS=$CXXFLAGS
+    CPPFLAGS="$QT_INCLUDES $CPPFLAGS"
+    CXXFLAGS="$PIE_FLAGS $CXXFLAGS"
+    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <QtCore/qconfig.h>]],
+      [[
+          #if defined(QT_REDUCE_RELOCATIONS)
+              choke;
+          #endif
+      ]])],
+      [ AC_MSG_RESULT(yes); QT_PIE_FLAGS=$PIE_FLAGS ],
+      [ AC_MSG_RESULT(no); QT_PIE_FLAGS=$PIC_FLAGS]
+    )
+    CPPFLAGS=$TEMP_CPPFLAGS
+    CXXFLAGS=$TEMP_CXXFLAGS
+    ])
+  else
+    BITCOIN_QT_CHECK([
+    AC_MSG_CHECKING(whether -fPIC is needed with this Qt config)
+    TEMP_CPPFLAGS=$CPPFLAGS
+    CPPFLAGS="$QT_INCLUDES $CPPFLAGS"
+    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <QtCore/qconfig.h>]],
+      [[
+          #if defined(QT_REDUCE_RELOCATIONS)
+              choke;
+          #endif
+      ]])],
+      [ AC_MSG_RESULT(no)],
+      [ AC_MSG_RESULT(yes); QT_PIE_FLAGS=$PIC_FLAGS]
+    )
+    CPPFLAGS=$TEMP_CPPFLAGS
+    ])
+  fi
+
   BITCOIN_QT_PATH_PROGS([MOC], [moc-qt${bitcoin_qt_got_major_vers} moc${bitcoin_qt_got_major_vers} moc], $qt_bin_path)
   BITCOIN_QT_PATH_PROGS([UIC], [uic-qt${bitcoin_qt_got_major_vers} uic${bitcoin_qt_got_major_vers} uic], $qt_bin_path)
   BITCOIN_QT_PATH_PROGS([RCC], [rcc-qt${bitcoin_qt_got_major_vers} rcc${bitcoin_qt_got_major_vers} rcc], $qt_bin_path)
@@ -204,6 +260,7 @@ AC_DEFUN([BITCOIN_QT_CONFIGURE],[
   ])
   AC_MSG_RESULT([$bitcoin_enable_qt (Qt${bitcoin_qt_got_major_vers})])
 
+  AC_SUBST(QT_PIE_FLAGS)
   AC_SUBST(QT_INCLUDES)
   AC_SUBST(QT_LIBS)
   AC_SUBST(QT_LDFLAGS)
@@ -342,6 +399,8 @@ dnl Outputs: bitcoin_qt_got_major_vers is set to "4" or "5".
 dnl Outputs: have_qt_test and have_qt_dbus are set (if applicable) to yes|no.
 AC_DEFUN([_BITCOIN_QT_FIND_LIBS_WITHOUT_PKGCONFIG],[
   TEMP_CPPFLAGS="$CPPFLAGS"
+  TEMP_CXXFLAGS="$CXXFLAGS"
+  CXXFLAGS="$PIC_FLAGS $CXXFLAGS"
   TEMP_LIBS="$LIBS"
   BITCOIN_QT_CHECK([
     if test x$qt_include_path != x; then
@@ -381,7 +440,8 @@ AC_DEFUN([_BITCOIN_QT_FIND_LIBS_WITHOUT_PKGCONFIG],[
   BITCOIN_QT_CHECK(AC_CHECK_LIB([z] ,[main],,AC_MSG_WARN([zlib not found. Assuming qt has it built-in])))
   BITCOIN_QT_CHECK(AC_CHECK_LIB([png] ,[main],,AC_MSG_WARN([libpng not found. Assuming qt has it built-in])))
   BITCOIN_QT_CHECK(AC_CHECK_LIB([jpeg] ,[main],,AC_MSG_WARN([libjpeg not found. Assuming qt has it built-in])))
-  BITCOIN_QT_CHECK(AC_CHECK_LIB([pcre16] ,[main],,AC_MSG_WARN([libpcre16 not found. Assuming qt has it built-in])))
+  BITCOIN_QT_CHECK(AC_SEARCH_LIBS([pcre16_exec], [qtpcre pcre16],,AC_MSG_WARN([libpcre16 not found. Assuming qt has it built-in])))
+  BITCOIN_QT_CHECK(AC_SEARCH_LIBS([hb_ot_tags_from_script] ,[qtharfbuzzng harfbuzz],,AC_MSG_WARN([libharfbuzz not found. Assuming qt has it built-in or support is disabled])))
   BITCOIN_QT_CHECK(AC_CHECK_LIB([${QT_LIB_PREFIX}Core]   ,[main],,BITCOIN_QT_FAIL(lib$QT_LIB_PREFIXCore not found)))
   BITCOIN_QT_CHECK(AC_CHECK_LIB([${QT_LIB_PREFIX}Gui]    ,[main],,BITCOIN_QT_FAIL(lib$QT_LIB_PREFIXGui not found)))
   BITCOIN_QT_CHECK(AC_CHECK_LIB([${QT_LIB_PREFIX}Network],[main],,BITCOIN_QT_FAIL(lib$QT_LIB_PREFIXNetwork not found)))
@@ -410,6 +470,7 @@ AC_DEFUN([_BITCOIN_QT_FIND_LIBS_WITHOUT_PKGCONFIG],[
     fi
   ])
   CPPFLAGS="$TEMP_CPPFLAGS"
+  CXXFLAGS="$TEMP_CXXFLAGS"
   LIBS="$TEMP_LIBS"
 ])
 
diff --git a/configure.ac b/configure.ac
@@ -315,6 +315,7 @@ case $host in
 
      AX_CHECK_LINK_FLAG([[-Wl,-headerpad_max_install_names]], [LDFLAGS="$LDFLAGS -Wl,-headerpad_max_install_names"])
      CPPFLAGS="$CPPFLAGS -DMAC_OSX"
+     OBJCXXFLAGS="$CXXFLAGS"
      ;;
    *linux*)
      TARGET_OS=linux
@@ -406,6 +407,11 @@ if test x$use_glibc_compat != xno; then
 
 fi
 
+if test x$TARGET_OS != xwindows; then
+  # All windows code is PIC, forcing it on just adds useless compile warnings
+  AX_CHECK_COMPILE_FLAG([-fPIC],[PIC_FLAGS="-fPIC"])
+fi
+
 if test x$use_hardening != xno; then
   AX_CHECK_COMPILE_FLAG([-Wstack-protector],[HARDENED_CXXFLAGS="$HARDENED_CXXFLAGS -Wstack-protector"])
   AX_CHECK_COMPILE_FLAG([-fstack-protector-all],[HARDENED_CXXFLAGS="$HARDENED_CXXFLAGS -fstack-protector-all"])
@@ -423,8 +429,7 @@ if test x$use_hardening != xno; then
   AX_CHECK_LINK_FLAG([[-Wl,-z,now]], [HARDENED_LDFLAGS="$HARDENED_LDFLAGS -Wl,-z,now"])
 
   if test x$TARGET_OS != xwindows; then
-    # All windows code is PIC, forcing it on just adds useless compile warnings
-    AX_CHECK_COMPILE_FLAG([-fPIE],[HARDENED_CXXFLAGS="$HARDENED_CXXFLAGS -fPIE"])
+    AX_CHECK_COMPILE_FLAG([-fPIE],[PIE_FLAGS="-fPIE"])
     AX_CHECK_LINK_FLAG([[-pie]], [HARDENED_LDFLAGS="$HARDENED_LDFLAGS -pie"])
   fi
 
@@ -433,11 +438,6 @@ if test x$use_hardening != xno; then
        AC_CHECK_LIB([ssp],      [main],, AC_MSG_ERROR(lib missing))
     ;;
   esac
-
-  CXXFLAGS="$CXXFLAGS $HARDENED_CXXFLAGS"
-  CPPFLAGS="$CPPFLAGS $HARDENED_CPPFLAGS"
-  LDFLAGS="$LDFLAGS $HARDENED_LDFLAGS"
-  OBJCXXFLAGS="$CXXFLAGS"
 fi
 
 dnl this flag screws up non-darwin gcc even when the check fails. special-case it.
@@ -871,6 +871,11 @@ AC_SUBST(CLIENT_VERSION_IS_RELEASE, _CLIENT_VERSION_IS_RELEASE)
 AC_SUBST(COPYRIGHT_YEAR, _COPYRIGHT_YEAR)
 
 AC_SUBST(RELDFLAGS)
+AC_SUBST(HARDENED_CXXFLAGS)
+AC_SUBST(HARDENED_CPPFLAGS)
+AC_SUBST(HARDENED_LDFLAGS)
+AC_SUBST(PIC_FLAGS)
+AC_SUBST(PIE_FLAGS)
 AC_SUBST(LIBTOOL_APP_LDFLAGS)
 AC_SUBST(USE_UPNP)
 AC_SUBST(USE_QRCODE)

diff --git a/src/Makefile.am b/src/Makefile.am
@@ -1,6 +1,8 @@
 DIST_SUBDIRS = secp256k1
-AM_LDFLAGS = $(PTHREAD_CFLAGS) $(LIBTOOL_LDFLAGS)
 
+AM_LDFLAGS = $(PTHREAD_CFLAGS) $(LIBTOOL_LDFLAGS) $(HARDENED_LDFLAGS)
+AM_CXXFLAGS = $(HARDENED_CXXFLAGS)
+AM_CPPFLAGS = $(HARDENED_CPPFLAGS)
 
 if EMBEDDED_LEVELDB
 LEVELDB_CPPFLAGS += -I$(srcdir)/leveldb/include
@@ -14,7 +16,7 @@ $(LIBLEVELDB): $(LIBMEMENV)
 $(LIBLEVELDB) $(LIBMEMENV):
 	@echo "Building LevelDB ..." && $(MAKE) -C $(@D) $(@F) CXX="$(CXX)" \
 	  CC="$(CC)" PLATFORM=$(TARGET_OS) AR="$(AR)" $(LEVELDB_TARGET_FLAGS) \
-          OPT="$(CXXFLAGS) $(CPPFLAGS)"
+          OPT="$(AM_CXXFLAGS) $(PIE_FLAGS) $(CXXFLAGS) $(AM_CPPFLAGS) $(CPPFLAGS)"
 endif
 
 BITCOIN_CONFIG_INCLUDES=-I$(builddir)/config
@@ -161,7 +163,8 @@ obj/build.h: FORCE
 libbitcoin_util_a-clientversion.$(OBJEXT): obj/build.h
 
 # server: shared between bitcoind and bitcoin-qt
-libbitcoin_server_a_CPPFLAGS = $(BITCOIN_INCLUDES) $(MINIUPNPC_CPPFLAGS)
+libbitcoin_server_a_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) $(MINIUPNPC_CPPFLAGS)
+libbitcoin_server_a_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
 libbitcoin_server_a_SOURCES = \
   addrman.cpp \
   alert.cpp \
@@ -189,7 +192,8 @@ libbitcoin_server_a_SOURCES = \
 
 # wallet: shared between bitcoind and bitcoin-qt, but only linked
 # when wallet enabled
-libbitcoin_wallet_a_CPPFLAGS = $(BITCOIN_INCLUDES)
+libbitcoin_wallet_a_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
+libbitcoin_wallet_a_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
 libbitcoin_wallet_a_SOURCES = \
   db.cpp \
   crypter.cpp \
@@ -201,7 +205,8 @@ libbitcoin_wallet_a_SOURCES = \
   $(BITCOIN_CORE_H)
 
 # crypto primitives library
-crypto_libbitcoin_crypto_a_CPPFLAGS = $(BITCOIN_CONFIG_INCLUDES)
+crypto_libbitcoin_crypto_a_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_CONFIG_INCLUDES)
+crypto_libbitcoin_crypto_a_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
 crypto_libbitcoin_crypto_a_SOURCES = \
   crypto/sha1.cpp \
   crypto/sha256.cpp \
@@ -220,6 +225,8 @@ crypto_libbitcoin_crypto_a_SOURCES = \
   crypto/ripemd160.h
 
 # univalue JSON library
+univalue_libbitcoin_univalue_a_CPPFLAGS = $(AM_CPPFLAGS)
+univalue_libbitcoin_univalue_a_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
 univalue_libbitcoin_univalue_a_SOURCES = \
   univalue/univalue.cpp \
   univalue/univalue_read.cpp \
@@ -228,7 +235,8 @@ univalue_libbitcoin_univalue_a_SOURCES = \
   univalue/univalue.h
 
 # common: shared between bitcoind, and bitcoin-qt and non-server tools
-libbitcoin_common_a_CPPFLAGS = $(BITCOIN_INCLUDES)
+libbitcoin_common_a_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
+libbitcoin_common_a_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
 libbitcoin_common_a_SOURCES = \
   allocators.cpp \
   amount.cpp \
@@ -261,7 +269,8 @@ libbitcoin_common_a_SOURCES = \
 # util: shared between all executables.
 # This library *must* be included to make sure that the glibc
 # backward-compatibility objects and their sanity checks are linked.
-libbitcoin_util_a_CPPFLAGS = $(BITCOIN_INCLUDES)
+libbitcoin_util_a_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
+libbitcoin_util_a_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
 libbitcoin_util_a_SOURCES = \
   callrpc.cpp \
   compat/strnlen.cpp \
@@ -285,7 +294,8 @@ libbitcoin_util_a_SOURCES += compat/glibcxx_compat.cpp
 endif
 
 # cli: shared between bitcoin-cli and bitcoin-qt
-libbitcoin_cli_a_CPPFLAGS = $(BITCOIN_INCLUDES)
+libbitcoin_cli_a_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
+libbitcoin_cli_a_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
 libbitcoin_cli_a_SOURCES = \
   rpcclient.cpp \
   $(BITCOIN_CORE_H)
@@ -315,7 +325,8 @@ alphad_SOURCES += bitcoind-res.rc
 endif
 
 alphad_LDADD += $(BOOST_LIBS) $(BDB_LIBS) $(SSL_LIBS) $(CRYPTO_LIBS) $(MINIUPNPC_LIBS)
-alphad_CPPFLAGS = $(BITCOIN_INCLUDES)
+alphad_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
+alphad_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
 alphad_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS)
 
 # bitcoin-cli binary #
@@ -329,7 +340,8 @@ alpha_cli_LDADD = \
 alpha_cli_SOURCES = \
   bitcoin-cli.cpp
 
-alpha_cli_CPPFLAGS = $(BITCOIN_INCLUDES)
+alpha_cli_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
+alpha_cli_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
 #
 
 # bitcoin-tx binary #
@@ -344,7 +356,8 @@ alpha_tx_LDADD = \
   $(SSL_LIBS)
 
 alpha_tx_SOURCES = bitcoin-tx.cpp
-alpha_tx_CPPFLAGS = $(BITCOIN_INCLUDES)
+alpha_tx_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
+alpha_tx_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
 #
 alpha_tx_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS)
 
@@ -376,9 +389,10 @@ if GLIBC_BACK_COMPAT
   libalphaconsensus_la_SOURCES += compat/glibcxx_compat.cpp
 endif
 
-libalphaconsensus_la_LDFLAGS = -no-undefined -version-info 1:0:0 $(RELDFLAGS)
+libalphaconsensus_la_LDFLAGS = $(AM_LDFLAGS) -no-undefined -version-info 1:0:0 $(RELDFLAGS)
 libalphaconsensus_la_LIBADD = $(CRYPTO_LIBS) $(LIBSECP256K1)
-libalphaconsensus_la_CPPFLAGS = $(CRYPTO_CFLAGS) -I$(builddir)/obj -I$(srcdir)/secp256k1/include -DBUILD_BITCOIN_INTERNAL
+libalphaconsensus_la_CPPFLAGS = $(AM_CPPFLAGS) $(CRYPTO_CFLAGS) -I$(builddir)/obj -I$(srcdir)/secp256k1/include -DBUILD_BITCOIN_INTERNAL
+libalphaconsensus_la_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
 if USE_LIBSECP256K1
 libalphaconsensus_la_LIBADD += secp256k1/libsecp256k1.la
 endif
@@ -405,7 +419,7 @@ bitcoind bitcoin-cli bitcoin-tx:
 
 .mm.o:
 	$(AM_V_CXX) $(OBJCXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
-	  $(CPPFLAGS) $(AM_CXXFLAGS) $(QT_INCLUDES) $(CXXFLAGS)  -c -o $@ $<
+	  $(CPPFLAGS) $(AM_CXXFLAGS) $(QT_INCLUDES) $(AM_CXXFLAGS) $(PIE_FLAGS) $(CXXFLAGS) -c -o $@ $<
 
 %.pb.cc %.pb.h: %.proto
 	@test -f $(PROTOC)

diff --git a/src/Makefile.qt.include b/src/Makefile.qt.include
@@ -322,8 +322,9 @@ BITCOIN_RC = qt/res/bitcoin-qt-res.rc
 BITCOIN_QT_INCLUDES = -I$(builddir)/qt -I$(srcdir)/qt -I$(srcdir)/qt/forms \
   -I$(builddir)/qt/forms
 
-qt_libbitcoinqt_a_CPPFLAGS = $(BITCOIN_INCLUDES) $(BITCOIN_QT_INCLUDES) \
+qt_libbitcoinqt_a_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) $(BITCOIN_QT_INCLUDES) \
   $(QT_INCLUDES) $(QT_DBUS_INCLUDES) $(PROTOBUF_CFLAGS) $(QR_CFLAGS)
+qt_libbitcoinqt_a_CXXFLAGS = $(AM_CXXFLAGS) $(QT_PIE_FLAGS)
 
 qt_libbitcoinqt_a_SOURCES = $(BITCOIN_QT_CPP) $(BITCOIN_QT_H) $(QT_FORMS_UI) \
   $(QT_QRC) $(QT_QRC_LOCALE) $(QT_TS) $(PROTOBUF_PROTO) $(RES_ICONS) $(RES_IMAGES) $(RES_MOVIES)
@@ -345,8 +346,9 @@ $(QT_MOC): $(PROTOBUF_H)
 $(QT_MOC_CPP): $(PROTOBUF_H)
 
 # bitcoin-qt binary #
-qt_alpha_qt_CPPFLAGS = $(BITCOIN_INCLUDES) $(BITCOIN_QT_INCLUDES) \
+qt_alpha_qt_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) $(BITCOIN_QT_INCLUDES) \
   $(QT_INCLUDES) $(PROTOBUF_CFLAGS) $(QR_CFLAGS)
+qt_alpha_qt_CXXFLAGS = $(AM_CXXFLAGS) $(QT_PIE_FLAGS)
 
 qt_alpha_qt_SOURCES = qt/bitcoin.cpp
 if TARGET_DARWIN

diff --git a/src/Makefile.qttest.include b/src/Makefile.qttest.include
@@ -12,7 +12,7 @@ TEST_QT_H = \
   qt/test/paymentrequestdata.h \
   qt/test/paymentservertests.h
 
-qt_test_test_alpha_qt_CPPFLAGS = $(BITCOIN_INCLUDES) $(BITCOIN_QT_INCLUDES) \
+qt_test_test_alpha_qt_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) $(BITCOIN_QT_INCLUDES) \
   $(QT_INCLUDES) $(QT_TEST_INCLUDES) $(PROTOBUF_CFLAGS)
 
 qt_test_test_alpha_qt_SOURCES = \
@@ -34,6 +34,7 @@ qt_test_test_alpha_qt_LDADD += $(LIBBITCOIN_CLI) $(LIBBITCOIN_COMMON) $(LIBBITCO
   $(LIBMEMENV) $(BOOST_LIBS) $(QT_DBUS_LIBS) $(QT_TEST_LIBS) $(QT_LIBS) \
   $(QR_LIBS) $(PROTOBUF_LIBS) $(BDB_LIBS) $(SSL_LIBS) $(CRYPTO_LIBS) $(MINIUPNPC_LIBS) $(LIBSECP256K1)
 qt_test_test_alpha_qt_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(QT_LDFLAGS) $(LIBTOOL_APP_LDFLAGS)
+qt_test_test_alpha_qt_CXXFLAGS = $(AM_CXXFLAGS) $(QT_PIE_FLAGS)
 
 CLEAN_BITCOIN_QT_TEST = $(TEST_QT_MOC_CPP) qt/test/*.gcda qt/test/*.gcno
 

diff --git a/src/Makefile.test.include b/src/Makefile.test.include
@@ -73,9 +73,10 @@ BITCOIN_TESTS += \
 endif
 
 test_test_alpha_SOURCES = $(BITCOIN_TESTS) $(JSON_TEST_FILES) $(RAW_TEST_FILES)
-test_test_alpha_CPPFLAGS = $(BITCOIN_INCLUDES) -I$(builddir)/test/ $(TESTDEFS)
+test_test_alpha_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -I$(builddir)/test/ $(TESTDEFS)
 test_test_alpha_LDADD = $(LIBBITCOIN_SERVER) $(LIBBITCOIN_CLI) $(LIBBITCOIN_COMMON) $(LIBBITCOIN_UTIL) $(LIBBITCOIN_CRYPTO) $(LIBBITCOIN_UNIVALUE) $(LIBLEVELDB) $(LIBMEMENV) \
   $(BOOST_LIBS) $(BOOST_UNIT_TEST_FRAMEWORK_LIB) $(LIBSECP256K1)
+test_test_alpha_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
 if ENABLE_WALLET
 test_test_alpha_LDADD += $(LIBBITCOIN_WALLET)
 endif

diff --git a/src/qt/bitcoin.cpp b/src/qt/bitcoin.cpp
@@ -57,7 +57,9 @@ Q_IMPORT_PLUGIN(qtwcodecs)
 Q_IMPORT_PLUGIN(qkrcodecs)
 Q_IMPORT_PLUGIN(qtaccessiblewidgets)
 #else
+#if QT_VERSION < 0x050400
 Q_IMPORT_PLUGIN(AccessibleFactory)
+#endif
 #if defined(QT_QPA_PLATFORM_XCB)
 Q_IMPORT_PLUGIN(QXcbIntegrationPlugin);
 #elif defined(QT_QPA_PLATFORM_WINDOWS)