diff -up mesa-20180530/src/gallium/drivers/r600/Makefile.am.dma mesa-20180530/src/gallium/drivers/r600/Makefile.am
--- mesa-20180530/src/gallium/drivers/r600/Makefile.am.dma	2018-07-19 10:24:26.110829986 +1000
+++ mesa-20180530/src/gallium/drivers/r600/Makefile.am	2018-07-19 10:24:44.569297131 +1000
@@ -10,7 +10,8 @@ AM_CFLAGS = \
 	$(GALLIUM_DRIVER_CFLAGS) \
 	$(RADEON_CFLAGS) \
 	$(LIBELF_CFLAGS) \
-	-I$(top_srcdir)/src/amd/common
+	-I$(top_srcdir)/src/amd/common \
+	-Wstrict-overflow=0
 
 AM_CXXFLAGS = \
 	$(GALLIUM_DRIVER_CXXFLAGS) \
diff -up mesa-20180530/src/gallium/winsys/virgl/drm/Makefile.am.dma mesa-20180530/src/gallium/winsys/virgl/drm/Makefile.am
--- mesa-20180530/src/gallium/winsys/virgl/drm/Makefile.am.dma	2018-07-19 10:25:13.089018307 +1000
+++ mesa-20180530/src/gallium/winsys/virgl/drm/Makefile.am	2018-07-19 10:25:34.775566694 +1000
@@ -26,7 +26,8 @@ include $(top_srcdir)/src/gallium/Automa
 AM_CFLAGS = \
 	-I$(top_srcdir)/src/gallium/drivers \
 	$(GALLIUM_WINSYS_CFLAGS) \
-	$(LIBDRM_CFLAGS)
+	$(LIBDRM_CFLAGS) \
+	-Wstrict-overflow=0
 
 noinst_LTLIBRARIES = libvirgldrm.la
 
diff -up mesa-20180530/src/gallium/winsys/virgl/vtest/Makefile.am.dma mesa-20180530/src/gallium/winsys/virgl/vtest/Makefile.am
--- mesa-20180530/src/gallium/winsys/virgl/vtest/Makefile.am.dma	2018-07-19 10:25:48.521914297 +1000
+++ mesa-20180530/src/gallium/winsys/virgl/vtest/Makefile.am	2018-07-19 10:26:05.622346714 +1000
@@ -25,7 +25,8 @@ include $(top_srcdir)/src/gallium/Automa
 
 AM_CFLAGS = \
 	-I$(top_srcdir)/src/gallium/drivers \
-	$(GALLIUM_WINSYS_CFLAGS)
+	$(GALLIUM_WINSYS_CFLAGS) \
+	-Wstrict-overflow=0
 
 noinst_LTLIBRARIES = libvirglvtest.la