--- a/components/imagemagick/Makefile	Thu Nov 03 22:18:09 2016 -0700
+++ b/components/imagemagick/Makefile	Fri Nov 04 05:32:50 2016 -0700
@@ -40,6 +40,11 @@
 
 TPNO=			29915
 
+# Enable adiheap security extension.
+# adistack fails with libgcc exception unwinding code.
+ADIHEAP_MODE =	$(ADIHEAP_ENABLE)
+ADISTACK_MODE =	$(ADISTACK_DISABLE)
+
 include $(WS_MAKE_RULES)/common.mk
 
 PATH=$(SPRO_VROOT)/bin:$(USRBINDIR):$(GNUBIN)