diff --git a/patches/elf2flt/9dbc458c6122c495bbdec8dc975a15c9d39e5ff2/0001-Check-for-libz-first.patch b/patches/elf2flt/9dbc458c6122c495bbdec8dc975a15c9d39e5ff2/0001-Check-for-libz-first.patch
new file mode 100644
index 00000000..f947e1ff
--- /dev/null
+++ b/patches/elf2flt/9dbc458c6122c495bbdec8dc975a15c9d39e5ff2/0001-Check-for-libz-first.patch
@@ -0,0 +1,294 @@
+From 9848b4f5b207d762a75d6cf0ccbb59c6486a1616 Mon Sep 17 00:00:00 2001
+From: Alexey Neyman <stilor@att.net>
+Date: Fri, 3 Feb 2017 22:01:48 -0800
+Subject: [PATCH] Check for libz first
+
+If building statically, linking libz before libbfd results in unresolved symbols
+(compress/compressBound in libbfd.a).
+
+Signed-off-by: Alexey Neyman <stilor@att.net>
+---
+ configure    | 108 +++++++++++++++++++++++++++++++++--------------------------
+ configure.ac |  10 +++---
+ 2 files changed, 65 insertions(+), 53 deletions(-)
+
+diff --git a/configure b/configure
+index d8d14be..df612cb 100755
+--- a/configure
++++ b/configure
+@@ -675,6 +675,7 @@ infodir
+ docdir
+ oldincludedir
+ includedir
++runstatedir
+ localstatedir
+ sharedstatedir
+ sysconfdir
+@@ -758,6 +759,7 @@ datadir='${datarootdir}'
+ sysconfdir='${prefix}/etc'
+ sharedstatedir='${prefix}/com'
+ localstatedir='${prefix}/var'
++runstatedir='${localstatedir}/run'
+ includedir='${prefix}/include'
+ oldincludedir='/usr/include'
+ docdir='${datarootdir}/doc/${PACKAGE}'
+@@ -1010,6 +1012,15 @@ do
+   | -silent | --silent | --silen | --sile | --sil)
+     silent=yes ;;
+ 
++  -runstatedir | --runstatedir | --runstatedi | --runstated \
++  | --runstate | --runstat | --runsta | --runst | --runs \
++  | --run | --ru | --r)
++    ac_prev=runstatedir ;;
++  -runstatedir=* | --runstatedir=* | --runstatedi=* | --runstated=* \
++  | --runstate=* | --runstat=* | --runsta=* | --runst=* | --runs=* \
++  | --run=* | --ru=* | --r=*)
++    runstatedir=$ac_optarg ;;
++
+   -sbindir | --sbindir | --sbindi | --sbind | --sbin | --sbi | --sb)
+     ac_prev=sbindir ;;
+   -sbindir=* | --sbindir=* | --sbindi=* | --sbind=* | --sbin=* \
+@@ -1147,7 +1158,7 @@ fi
+ for ac_var in	exec_prefix prefix bindir sbindir libexecdir datarootdir \
+ 		datadir sysconfdir sharedstatedir localstatedir includedir \
+ 		oldincludedir docdir infodir htmldir dvidir pdfdir psdir \
+-		libdir localedir mandir
++		libdir localedir mandir runstatedir
+ do
+   eval ac_val=\$$ac_var
+   # Remove trailing slashes.
+@@ -1300,6 +1311,7 @@ Fine tuning of the installation directories:
+   --sysconfdir=DIR        read-only single-machine data [PREFIX/etc]
+   --sharedstatedir=DIR    modifiable architecture-independent data [PREFIX/com]
+   --localstatedir=DIR     modifiable single-machine data [PREFIX/var]
++  --runstatedir=DIR       modifiable per-process data [LOCALSTATEDIR/run]
+   --libdir=DIR            object code libraries [EPREFIX/lib]
+   --includedir=DIR        C header files [PREFIX/include]
+   --oldincludedir=DIR     C header files for non-gcc [/usr/include]
+@@ -3779,14 +3791,14 @@ if test "$ac_binutils_build_dir" != "NONE"; then
+   test "$ac_binutils_include_dir" = "NONE" && ac_binutils_include_dir="$ac_binutils_build_dir/include"
+ fi
+ 
+-if test "$ac_libiberty" = "NONE"; then
+-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for objalloc_create in -liberty" >&5
+-$as_echo_n "checking for objalloc_create in -liberty... " >&6; }
+-if ${ac_cv_lib_iberty_objalloc_create+:} false; then :
++if test "$ac_zlib_prefix" = "NONE"; then
++  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for deflate in -lz" >&5
++$as_echo_n "checking for deflate in -lz... " >&6; }
++if ${ac_cv_lib_z_deflate+:} false; then :
+   $as_echo_n "(cached) " >&6
+ else
+   ac_check_lib_save_LIBS=$LIBS
+-LIBS="-liberty  $LIBS"
++LIBS="-lz  $LIBS"
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+ /* end confdefs.h.  */
+ 
+@@ -3796,47 +3808,46 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+ #ifdef __cplusplus
+ extern "C"
+ #endif
+-char objalloc_create ();
++char deflate ();
+ int
+ main ()
+ {
+-return objalloc_create ();
++return deflate ();
+   ;
+   return 0;
+ }
+ _ACEOF
+ if ac_fn_c_try_link "$LINENO"; then :
+-  ac_cv_lib_iberty_objalloc_create=yes
++  ac_cv_lib_z_deflate=yes
+ else
+-  ac_cv_lib_iberty_objalloc_create=no
++  ac_cv_lib_z_deflate=no
+ fi
+ rm -f core conftest.err conftest.$ac_objext \
+     conftest$ac_exeext conftest.$ac_ext
+ LIBS=$ac_check_lib_save_LIBS
+ fi
+-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_iberty_objalloc_create" >&5
+-$as_echo "$ac_cv_lib_iberty_objalloc_create" >&6; }
+-if test "x$ac_cv_lib_iberty_objalloc_create" = xyes; then :
++{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_z_deflate" >&5
++$as_echo "$ac_cv_lib_z_deflate" >&6; }
++if test "x$ac_cv_lib_z_deflate" = xyes; then :
+   cat >>confdefs.h <<_ACEOF
+-#define HAVE_LIBIBERTY 1
++#define HAVE_LIBZ 1
+ _ACEOF
+ 
+-  LIBS="-liberty $LIBS"
++  LIBS="-lz $LIBS"
+ 
+ fi
+ 
+-  ac_libiberty=auto
+ else
+-  LIBS="$ac_libiberty $LIBS"
++  LIBS="-L$ac_zlib_prefix/lib -lz $LIBS"
+ fi
+-if test "$ac_libbfd" = "NONE"; then
+-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for bfd_openr in -lbfd" >&5
+-$as_echo_n "checking for bfd_openr in -lbfd... " >&6; }
+-if ${ac_cv_lib_bfd_bfd_openr+:} false; then :
++if test "$ac_libiberty" = "NONE"; then
++  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for objalloc_create in -liberty" >&5
++$as_echo_n "checking for objalloc_create in -liberty... " >&6; }
++if ${ac_cv_lib_iberty_objalloc_create+:} false; then :
+   $as_echo_n "(cached) " >&6
+ else
+   ac_check_lib_save_LIBS=$LIBS
+-LIBS="-lbfd  $LIBS"
++LIBS="-liberty  $LIBS"
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+ /* end confdefs.h.  */
+ 
+@@ -3846,47 +3857,47 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+ #ifdef __cplusplus
+ extern "C"
+ #endif
+-char bfd_openr ();
++char objalloc_create ();
+ int
+ main ()
+ {
+-return bfd_openr ();
++return objalloc_create ();
+   ;
+   return 0;
+ }
+ _ACEOF
+ if ac_fn_c_try_link "$LINENO"; then :
+-  ac_cv_lib_bfd_bfd_openr=yes
++  ac_cv_lib_iberty_objalloc_create=yes
+ else
+-  ac_cv_lib_bfd_bfd_openr=no
++  ac_cv_lib_iberty_objalloc_create=no
+ fi
+ rm -f core conftest.err conftest.$ac_objext \
+     conftest$ac_exeext conftest.$ac_ext
+ LIBS=$ac_check_lib_save_LIBS
+ fi
+-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_bfd_bfd_openr" >&5
+-$as_echo "$ac_cv_lib_bfd_bfd_openr" >&6; }
+-if test "x$ac_cv_lib_bfd_bfd_openr" = xyes; then :
++{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_iberty_objalloc_create" >&5
++$as_echo "$ac_cv_lib_iberty_objalloc_create" >&6; }
++if test "x$ac_cv_lib_iberty_objalloc_create" = xyes; then :
+   cat >>confdefs.h <<_ACEOF
+-#define HAVE_LIBBFD 1
++#define HAVE_LIBIBERTY 1
+ _ACEOF
+ 
+-  LIBS="-lbfd $LIBS"
++  LIBS="-liberty $LIBS"
+ 
+ fi
+ 
+-  ac_libbfd=auto
++  ac_libiberty=auto
+ else
+-  LIBS="$ac_libbfd $LIBS"
++  LIBS="$ac_libiberty $LIBS"
+ fi
+-if test "$ac_zlib_prefix" = "NONE"; then
+-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for deflate in -lz" >&5
+-$as_echo_n "checking for deflate in -lz... " >&6; }
+-if ${ac_cv_lib_z_deflate+:} false; then :
++if test "$ac_libbfd" = "NONE"; then
++  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for bfd_openr in -lbfd" >&5
++$as_echo_n "checking for bfd_openr in -lbfd... " >&6; }
++if ${ac_cv_lib_bfd_bfd_openr+:} false; then :
+   $as_echo_n "(cached) " >&6
+ else
+   ac_check_lib_save_LIBS=$LIBS
+-LIBS="-lz  $LIBS"
++LIBS="-lbfd  $LIBS"
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+ /* end confdefs.h.  */
+ 
+@@ -3896,37 +3907,38 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+ #ifdef __cplusplus
+ extern "C"
+ #endif
+-char deflate ();
++char bfd_openr ();
+ int
+ main ()
+ {
+-return deflate ();
++return bfd_openr ();
+   ;
+   return 0;
+ }
+ _ACEOF
+ if ac_fn_c_try_link "$LINENO"; then :
+-  ac_cv_lib_z_deflate=yes
++  ac_cv_lib_bfd_bfd_openr=yes
+ else
+-  ac_cv_lib_z_deflate=no
++  ac_cv_lib_bfd_bfd_openr=no
+ fi
+ rm -f core conftest.err conftest.$ac_objext \
+     conftest$ac_exeext conftest.$ac_ext
+ LIBS=$ac_check_lib_save_LIBS
+ fi
+-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_z_deflate" >&5
+-$as_echo "$ac_cv_lib_z_deflate" >&6; }
+-if test "x$ac_cv_lib_z_deflate" = xyes; then :
++{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_bfd_bfd_openr" >&5
++$as_echo "$ac_cv_lib_bfd_bfd_openr" >&6; }
++if test "x$ac_cv_lib_bfd_bfd_openr" = xyes; then :
+   cat >>confdefs.h <<_ACEOF
+-#define HAVE_LIBZ 1
++#define HAVE_LIBBFD 1
+ _ACEOF
+ 
+-  LIBS="-lz $LIBS"
++  LIBS="-lbfd $LIBS"
+ 
+ fi
+ 
++  ac_libbfd=auto
+ else
+-  LIBS="-L$ac_zlib_prefix/lib -lz $LIBS"
++  LIBS="$ac_libbfd $LIBS"
+ fi
+ 
+ bfd_include_dir=
+diff --git a/configure.ac b/configure.ac
+index dcf0f92..7dcc082 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -114,6 +114,11 @@ if test "$ac_binutils_build_dir" != "NONE"; then
+ fi
+ 
+ dnl Checks for libraries.
++if test "$ac_zlib_prefix" = "NONE"; then
++  AC_CHECK_LIB(z, deflate)
++else
++  LIBS="-L$ac_zlib_prefix/lib -lz $LIBS"
++fi
+ if test "$ac_libiberty" = "NONE"; then
+   AC_CHECK_LIB(iberty, objalloc_create)
+   ac_libiberty=auto
+@@ -126,11 +131,6 @@ if test "$ac_libbfd" = "NONE"; then
+ else
+   LIBS="$ac_libbfd $LIBS"
+ fi
+-if test "$ac_zlib_prefix" = "NONE"; then
+-  AC_CHECK_LIB(z, deflate)
+-else
+-  LIBS="-L$ac_zlib_prefix/lib -lz $LIBS"
+-fi
+ 
+ bfd_include_dir=
+ if test "$ac_bfd_include_dir" != "NONE"; then
+-- 
+2.9.3
+