patch is attatched.
--- ipsec-tools-0.7.1/debian/rules 2009-12-11 22:49:42.000000000 +0000 +++ ipsec-tools-0.7.1.new/debian/rules 2009-12-11 22:45:19.000000000 +0000 @@ -22,7 +22,7 @@ DEB_BUILD_GNU_TYPE ?= $(shell dpkg-architecture -qDEB_BUILD_GNU_TYPE) -CFLAGS = -Wall -g +CFLAGS = -Wall -g -fno-strict-aliasing ifneq (,$(findstring noopt,$(DEB_BUILD_OPTIONS))) CFLAGS += -O0
