diff -ruN -x CVS pkgsrc-2019Q1/x11/qt5-qtbase//distinfo pkgsrc/x11/qt5-qtbase//distinfo
--- pkgsrc-2019Q1/x11/qt5-qtbase//distinfo	2019-03-26 12:14:16.000000000 +0100
+++ pkgsrc/x11/qt5-qtbase//distinfo	2019-06-13 15:44:12.207300723 +0200
@@ -5,6 +5,7 @@
 SHA512 (qtbase-everywhere-src-5.12.2.tar.xz) = 6752ecc096f8baf8e14e56f0d1f139e8a0d75967ab61bf1734ad5f4f4609a7cc707ab080f5f85f2230bbbb1454a0669be60a14d57d9a93aef553ce6f85f71613
 Size (qtbase-everywhere-src-5.12.2.tar.xz) = 48364464 bytes
 SHA1 (patch-configure) = f5019131cc4e6cd4e35242cc7b598fbf8f5f766b
+SHA1 (patch-mkspecs_common_gcc-base.conf) = 8ad8d51a8a4bc7211d6dfe241ae2b4df030319c7
 SHA1 (patch-mkspecs_features_qt__module.prf) = a04c4b1fe80250b6b3591f5486ac0fd3b5056c26
 SHA1 (patch-mkspecs_features_toolchain.prf) = 0cf13cb6e859dd6276954239b91953e557add515
 SHA1 (patch-qmake_Makefile.unix) = ec1af3d76dc5bd0b7b1d375ceeebbd016b6f555f
diff -ruN -x CVS pkgsrc-2019Q1/x11/qt5-qtbase//patches/patch-mkspecs_common_gcc-base.conf pkgsrc/x11/qt5-qtbase//patches/patch-mkspecs_common_gcc-base.conf
--- pkgsrc-2019Q1/x11/qt5-qtbase//patches/patch-mkspecs_common_gcc-base.conf	1970-01-01 01:00:00.000000000 +0100
+++ pkgsrc/x11/qt5-qtbase//patches/patch-mkspecs_common_gcc-base.conf	2019-06-13 15:42:04.683381845 +0200
@@ -0,0 +1,14 @@
+$NetBSD$
+
+--- ./mkspecs/common/gcc-base.conf.orig	2019-06-13 13:36:03.554816463 +0000
++++ ./mkspecs/common/gcc-base.conf
+@@ -109,7 +109,8 @@ QMAKE_CFLAGS_MIPS_DSP  += -mdsp
+ QMAKE_CFLAGS_MIPS_DSPR2 += -mdspr2
+ 
+ # -march=haswell is supported as of GCC 4.9 and Clang 3.6
+-QMAKE_CFLAGS_ARCH_HASWELL           = -march=core-avx2
++# https://bugreports.qt.io/browse/QTBUG-71564
++QMAKE_CFLAGS_ARCH_HASWELL           = -mavx2
+ 
+ # Wrapper tools that understand .o/.a files with GIMPLE instead of machine code
+ QMAKE_AR_LTCG           = gcc-ar cqs