--- files/patch-Makefile.in	(revision 0)
+++ files/patch-Makefile.in	(working copy)
@@ -0,0 +1,46 @@ 
+--- Makefile.in.orig	2013-08-19 12:10:31.000000000 -0700
++++ Makefile.in	2014-09-01 10:39:55.000000000 -0700
+@@ -299,34 +299,34 @@
+ WIN32_INSTALL = $(bindir)/iverilog-vpi$(suffix)
+ endif
+ 
+-install: all installdirs $(libdir)/ivl$(suffix)/ivl@EXEEXT@  $(libdir)/ivl$(suffix)/include/constants.vams $(libdir)/ivl$(suffix)/include/disciplines.vams $(includedir)/ivl_target.h $(includedir)/_pli_types.h $(includedir)/vpi_user.h $(includedir)/acc_user.h $(includedir)/veriuser.h $(WIN32_INSTALL) $(INSTALL_DOC)
++install: all installdirs ${DESTDIR}$(libdir)/ivl$(suffix)/ivl@EXEEXT@  ${DESTDIR}$(libdir)/ivl$(suffix)/include/constants.vams ${DESTDIR}$(libdir)/ivl$(suffix)/include/disciplines.vams $(DESTDIR)$(includedir)/ivl_target.h $(DESTDIR)$(includedir)/_pli_types.h $(DESTDIR)$(includedir)/vpi_user.h $(DESTDIR)$(includedir)/acc_user.h $(DESTDIR)$(includedir)/veriuser.h $(WIN32_INSTALL) $(INSTALL_DOC)
+ 	$(foreach dir,$(SUBDIRS),$(MAKE) -C $(dir) $@ && ) true
+ 
+ $(bindir)/iverilog-vpi$(suffix): ./iverilog-vpi
+ 	$(INSTALL_SCRIPT) ./iverilog-vpi "$(DESTDIR)$(bindir)/iverilog-vpi$(suffix)"
+ 
+-$(libdir)/ivl$(suffix)/ivl@EXEEXT@: ./ivl@EXEEXT@
++${DESTDIR}$(libdir)/ivl$(suffix)/ivl@EXEEXT@: ./ivl@EXEEXT@
+ 	$(INSTALL_PROGRAM) ./ivl@EXEEXT@ "$(DESTDIR)$(libdir)/ivl$(suffix)/ivl@EXEEXT@"
+ 
+-$(libdir)/ivl$(suffix)/include/constants.vams: $(srcdir)/constants.vams
++${DESTDIR}$(libdir)/ivl$(suffix)/include/constants.vams: $(srcdir)/constants.vams
+ 	$(INSTALL_DATA) $(srcdir)/constants.vams "$(DESTDIR)$(libdir)/ivl$(suffix)/include/constants.vams"
+ 
+-$(libdir)/ivl$(suffix)/include/disciplines.vams: $(srcdir)/disciplines.vams
++${DESTDIR}$(libdir)/ivl$(suffix)/include/disciplines.vams: $(srcdir)/disciplines.vams
+ 	$(INSTALL_DATA) $(srcdir)/disciplines.vams "$(DESTDIR)$(libdir)/ivl$(suffix)/include/disciplines.vams"
+ 
+-$(includedir)/ivl_target.h: $(srcdir)/ivl_target.h
++$(DESTDIR)$(includedir)/ivl_target.h: $(srcdir)/ivl_target.h
+ 	$(INSTALL_DATA) $(srcdir)/ivl_target.h "$(DESTDIR)$(includedir)/ivl_target.h"
+ 
+-$(includedir)/_pli_types.h: _pli_types.h
++$(DESTDIR)$(includedir)/_pli_types.h: _pli_types.h
+ 	$(INSTALL_DATA) $< "$(DESTDIR)$(includedir)/_pli_types.h"
+ 
+-$(includedir)/vpi_user.h: $(srcdir)/vpi_user.h
++$(DESTDIR)$(includedir)/vpi_user.h: $(srcdir)/vpi_user.h
+ 	$(INSTALL_DATA) $(srcdir)/vpi_user.h "$(DESTDIR)$(includedir)/vpi_user.h"
+ 
+-$(includedir)/acc_user.h: $(srcdir)/acc_user.h
++$(DESTDIR)$(includedir)/acc_user.h: $(srcdir)/acc_user.h
+ 	$(INSTALL_DATA) $(srcdir)/acc_user.h "$(DESTDIR)$(includedir)/acc_user.h"
+ 
+-$(includedir)/veriuser.h: $(srcdir)/veriuser.h
++$(DESTDIR)$(includedir)/veriuser.h: $(srcdir)/veriuser.h
+ 	$(INSTALL_DATA) $(srcdir)/veriuser.h "$(DESTDIR)$(includedir)/veriuser.h"
+ 
+ $(mandir)/man1/iverilog-vpi$(suffix).1: iverilog-vpi.man
--- files/patch-tgt-null_Makefile.in	(revision 0)
+++ files/patch-tgt-null_Makefile.in	(working copy)
@@ -0,0 +1,22 @@ 
+--- tgt-null/Makefile.in.orig	2013-08-19 12:10:31.000000000 -0700
++++ tgt-null/Makefile.in	2014-09-01 10:45:44.000000000 -0700
+@@ -72,15 +72,15 @@
+ Makefile: $(srcdir)/Makefile.in ../config.status
+ 	cd ..; ./config.status --file=tgt-null/$@
+ 
+-install: all installdirs $(libdir)/ivl$(suffix)/null.tgt $(INSTALL_DOC) $(libdir)/ivl$(suffix)/null.conf $(libdir)/ivl$(suffix)/null-s.conf
++install: all installdirs ${DESTDIR}$(libdir)/ivl$(suffix)/null.tgt $(INSTALL_DOC) ${DESTDIR}$(libdir)/ivl$(suffix)/null.conf ${DESTDIR}$(libdir)/ivl$(suffix)/null-s.conf
+ 
+-$(libdir)/ivl$(suffix)/null.tgt: ./null.tgt
++${DESTDIR}$(libdir)/ivl$(suffix)/null.tgt: ./null.tgt
+ 	$(INSTALL_PROGRAM) ./null.tgt "$(DESTDIR)$(libdir)/ivl$(suffix)/null.tgt"
+ 
+-$(libdir)/ivl$(suffix)/null.conf: $(srcdir)/null.conf
++${DESTDIR}$(libdir)/ivl$(suffix)/null.conf: $(srcdir)/null.conf
+ 	$(INSTALL_DATA) $(srcdir)/null.conf "$(DESTDIR)$(libdir)/ivl$(suffix)/null.conf"
+ 
+-$(libdir)/ivl$(suffix)/null-s.conf: $(srcdir)/null-s.conf
++${DESTDIR}$(libdir)/ivl$(suffix)/null-s.conf: $(srcdir)/null-s.conf
+ 	$(INSTALL_DATA) $(srcdir)/null-s.conf "$(DESTDIR)$(libdir)/ivl$(suffix)/null-s.conf"
+ 
+ 
--- files/patch-tgt-stub_Makefile.in	(revision 0)
+++ files/patch-tgt-stub_Makefile.in	(working copy)
@@ -0,0 +1,24 @@ 
+--- tgt-stub/Makefile.in.orig	2013-08-19 12:10:31.000000000 -0700
++++ tgt-stub/Makefile.in	2014-09-01 10:47:45.000000000 -0700
+@@ -73,16 +73,16 @@
+ Makefile: $(srcdir)/Makefile.in ../config.status
+ 	cd ..; ./config.status --file=tgt-stub/$@
+ 
+-install: all installdirs $(libdir)/ivl$(suffix)/stub.tgt \
+-	$(libdir)/ivl$(suffix)/stub.conf $(libdir)/ivl$(suffix)/stub-s.conf
++install: all installdirs ${DESTDIR}$(libdir)/ivl$(suffix)/stub.tgt \
++	${DESTDIR}$(libdir)/ivl$(suffix)/stub.conf ${DESTDIR}$(libdir)/ivl$(suffix)/stub-s.conf
+ 
+-$(libdir)/ivl$(suffix)/stub.tgt: ./stub.tgt
++${DESTDIR}$(libdir)/ivl$(suffix)/stub.tgt: ./stub.tgt
+ 	$(INSTALL_PROGRAM) ./stub.tgt "$(DESTDIR)$(libdir)/ivl$(suffix)/stub.tgt"
+ 
+-$(libdir)/ivl$(suffix)/stub.conf: stub.conf
++${DESTDIR}$(libdir)/ivl$(suffix)/stub.conf: stub.conf
+ 	$(INSTALL_DATA) $< "$(DESTDIR)$(libdir)/ivl$(suffix)/stub.conf"
+ 
+-$(libdir)/ivl$(suffix)/stub-s.conf: stub-s.conf
++${DESTDIR}$(libdir)/ivl$(suffix)/stub-s.conf: stub-s.conf
+ 	$(INSTALL_DATA) $< "$(DESTDIR)$(libdir)/ivl$(suffix)/stub-s.conf"
+ 
+ installdirs: $(srcdir)/../mkinstalldirs
--- files/patch-tgt-vhdl_Makefile.in	(revision 0)
+++ files/patch-tgt-vhdl_Makefile.in	(working copy)
@@ -0,0 +1,24 @@ 
+--- tgt-vhdl/Makefile.in.orig	2013-08-19 12:10:31.000000000 -0700
++++ tgt-vhdl/Makefile.in	2014-09-01 10:51:41.000000000 -0700
+@@ -80,16 +80,16 @@
+ 
+ check: all
+ 
+-install: all installdirs $(libdir)/ivl$(suffix)/vhdl.tgt $(libdir)/ivl$(suffix)/vhdl.conf \
+-	$(libdir)/ivl$(suffix)/vhdl-s.conf
++install: all installdirs ${DESTDIR}$(libdir)/ivl$(suffix)/vhdl.tgt ${DESTDIR}$(libdir)/ivl$(suffix)/vhdl.conf \
++	${DESTDIR}$(libdir)/ivl$(suffix)/vhdl-s.conf
+ 
+-$(libdir)/ivl$(suffix)/vhdl.tgt: ./vhdl.tgt
++${DESTDIR}$(libdir)/ivl$(suffix)/vhdl.tgt: ./vhdl.tgt
+ 	$(INSTALL_PROGRAM) ./vhdl.tgt "$(DESTDIR)$(libdir)/ivl$(suffix)/vhdl.tgt"
+ 
+-$(libdir)/ivl$(suffix)/vhdl.conf: vhdl.conf
++${DESTDIR}$(libdir)/ivl$(suffix)/vhdl.conf: vhdl.conf
+ 	$(INSTALL_DATA) $< "$(DESTDIR)$(libdir)/ivl$(suffix)/vhdl.conf"
+ 
+-$(libdir)/ivl$(suffix)/vhdl-s.conf: vhdl-s.conf
++${DESTDIR}$(libdir)/ivl$(suffix)/vhdl-s.conf: vhdl-s.conf
+ 	$(INSTALL_DATA) $< "$(DESTDIR)$(libdir)/ivl$(suffix)/vhdl-s.conf"
+ 
+ installdirs: $(srcdir)/../mkinstalldirs
--- files/patch-vpi_Makefile.in	(revision 0)
+++ files/patch-vpi_Makefile.in	(working copy)
@@ -0,0 +1,42 @@ 
+--- vpi/Makefile.in.orig	2013-08-19 12:10:31.000000000 -0700
++++ vpi/Makefile.in	2014-09-01 10:58:55.000000000 -0700
+@@ -125,27 +125,27 @@
+ check: all
+ 
+ install: all installdirs \
+-    $(vpidir)/system.vpi $(vpidir)/system.sft \
+-    $(vpidir)/va_math.vpi $(vpidir)/va_math.sft \
+-    $(vpidir)/v2005_math.vpi $(vpidir)/v2005_math.sft
++    ${DESTDIR}$(vpidir)/system.vpi ${DESTDIR}$(vpidir)/system.sft \
++    ${DESTDIR}$(vpidir)/va_math.vpi ${DESTDIR}$(vpidir)/va_math.sft \
++    ${DESTDIR}$(vpidir)/v2005_math.vpi ${DESTDIR}$(vpidir)/v2005_math.sft
+ 
+-$(vpidir)/system.vpi: ./system.vpi
++${DESTDIR}$(vpidir)/system.vpi: ./system.vpi
+ 	$(INSTALL_PROGRAM) ./system.vpi "$(DESTDIR)$(vpidir)/system.vpi"
+ 
+-$(vpidir)/system.sft: system.sft
+-	$(INSTALL_DATA) $< "$(DESTDIR)$@"
++${DESTDIR}$(vpidir)/system.sft: system.sft
++	$(INSTALL_DATA) $< $@
+ 
+-$(vpidir)/va_math.vpi: ./va_math.vpi
++${DESTDIR}$(vpidir)/va_math.vpi: ./va_math.vpi
+ 	$(INSTALL_PROGRAM) ./va_math.vpi "$(DESTDIR)$(vpidir)/va_math.vpi"
+ 
+-$(vpidir)/va_math.sft: va_math.sft
+-	$(INSTALL_DATA) $< "$(DESTDIR)$@"
++${DESTDIR}$(vpidir)/va_math.sft: va_math.sft
++	$(INSTALL_DATA) $< $@
+ 
+-$(vpidir)/v2005_math.vpi: ./v2005_math.vpi
++${DESTDIR}$(vpidir)/v2005_math.vpi: ./v2005_math.vpi
+ 	$(INSTALL_PROGRAM) ./v2005_math.vpi "$(DESTDIR)$(vpidir)/v2005_math.vpi"
+ 
+-$(vpidir)/v2005_math.sft: v2005_math.sft
+-	$(INSTALL_DATA) $< "$(DESTDIR)$@"
++${DESTDIR}$(vpidir)/v2005_math.sft: v2005_math.sft
++	$(INSTALL_DATA) $< $@
+ 
+ installdirs: $(srcdir)/../mkinstalldirs
+ 	$(srcdir)/../mkinstalldirs "$(DESTDIR)$(libdir)" "$(DESTDIR)$(vpidir)"