diff -ur solenv.orig/inc/unxlngi4.mk solenv/inc/unxlngi4.mk
--- solenv.orig/inc/unxlngi4.mk	2004-10-23 20:09:29.344518376 +0200
+++ solenv/inc/unxlngi4.mk	2004-10-23 20:09:43.084429592 +0200
@@ -156,8 +156,8 @@
 LINKFLAGS=-Wl,-z,combreloc $(LINKFLAGSDEFS) $(LINKFLAGSRUNPATH)
 
 # linker flags for linking applications
-LINKFLAGSAPPGUI= -Wl,-export-dynamic
-LINKFLAGSAPPCUI= -Wl,-export-dynamic
+LINKFLAGSAPPGUI= -Wl,-export-dynamic -Wl,-z,execheap
+LINKFLAGSAPPCUI= -Wl,-export-dynamic -Wl,-z,execheap
 
 # linker flags for linking shared libraries
 LINKFLAGSSHLGUI= -shared