diff --git a/configure b/configure
index 03c93db..b3d4a89 100755
--- a/configure
+++ b/configure
@@ -653,15 +653,6 @@ FGREP
 EGREP
 GREP
 SED
-host_os
-host_vendor
-host_cpu
-host
-build_os
-build_vendor
-build_cpu
-build
-LIBTOOL
 am__fastdepCC_FALSE
 am__fastdepCC_TRUE
 CCDEPMODE
@@ -679,6 +670,15 @@ CPPFLAGS
 LDFLAGS
 CFLAGS
 CC
+host_os
+host_vendor
+host_cpu
+host
+build_os
+build_vendor
+build_cpu
+build
+LIBTOOL
 am__untar
 am__tar
 AMTAR
@@ -743,16 +743,17 @@ SHELL'
 ac_subst_files=''
 ac_user_opts='
 enable_option_checking
-enable_dependency_tracking
 enable_shared
 enable_static
 with_pic
 enable_fast_install
+enable_dependency_tracking
 with_gnu_ld
 with_sysroot
 enable_libtool_lock
-with_cflags
-with_ldflags
+with_libsodium
+with_libsodium_include_dir
+with_libsodium_lib_dir
 '
       ac_precious_vars='build_alias
 host_alias
@@ -1381,14 +1382,14 @@ Optional Features:
   --disable-option-checking  ignore unrecognized --enable/--with options
   --disable-FEATURE       do not include FEATURE (same as --enable-FEATURE=no)
   --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]
-  --enable-dependency-tracking
-                          do not reject slow dependency extractors
-  --disable-dependency-tracking
-                          speeds up one-time build
   --enable-shared[=PKGS]  build shared libraries [default=yes]
   --enable-static[=PKGS]  build static libraries [default=yes]
   --enable-fast-install[=PKGS]
                           optimize for fast installation [default=yes]
+  --enable-dependency-tracking
+                          do not reject slow dependency extractors
+  --disable-dependency-tracking
+                          speeds up one-time build
   --disable-libtool-lock  avoid locking (might break parallel builds)
 
 Optional Packages:
@@ -1399,8 +1400,11 @@ Optional Packages:
   --with-gnu-ld           assume the C compiler uses GNU ld [default=no]
   --with-sysroot=DIR Search for dependent libraries within DIR
                         (or the compiler's sysroot if not specified).
-  --with-cflags           Specify additional flags to pass to compiler
-  --with-ldflags          Specify additional flags to pass to linker
+  --with-libsodium        Specify libsodium prefix
+  --with-libsodium-include-dir
+                          Specify libsodium include prefix
+  --with-libsodium-lib-dir
+                          Specify libsodium library prefix
 
 Some influential environment variables:
   CC          C compiler command
@@ -2771,11 +2775,234 @@ am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'
 
 
 
+case `pwd` in
+  *\ * | *\	*)
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Libtool does not cope well with whitespace in \`pwd\`" >&5
+$as_echo "$as_me: WARNING: Libtool does not cope well with whitespace in \`pwd\`" >&2;} ;;
+esac
 
 
-ORIG_CFLAGS="${CFLAGS:-none}"
 
-# Checks for programs
+macro_version='2.4'
+macro_revision='1.3293'
+
+
+
+
+
+
+
+
+
+
+
+
+
+ltmain="$ac_aux_dir/ltmain.sh"
+
+# Make sure we can run config.sub.
+$SHELL "$ac_aux_dir/config.sub" sun4 >/dev/null 2>&1 ||
+  as_fn_error $? "cannot run $SHELL $ac_aux_dir/config.sub" "$LINENO" 5
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking build system type" >&5
+$as_echo_n "checking build system type... " >&6; }
+if ${ac_cv_build+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_build_alias=$build_alias
+test "x$ac_build_alias" = x &&
+  ac_build_alias=`$SHELL "$ac_aux_dir/config.guess"`
+test "x$ac_build_alias" = x &&
+  as_fn_error $? "cannot guess build type; you must specify one" "$LINENO" 5
+ac_cv_build=`$SHELL "$ac_aux_dir/config.sub" $ac_build_alias` ||
+  as_fn_error $? "$SHELL $ac_aux_dir/config.sub $ac_build_alias failed" "$LINENO" 5
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_build" >&5
+$as_echo "$ac_cv_build" >&6; }
+case $ac_cv_build in
+*-*-*) ;;
+*) as_fn_error $? "invalid value of canonical build" "$LINENO" 5;;
+esac
+build=$ac_cv_build
+ac_save_IFS=$IFS; IFS='-'
+set x $ac_cv_build
+shift
+build_cpu=$1
+build_vendor=$2
+shift; shift
+# Remember, the first character of IFS is used to create $*,
+# except with old shells:
+build_os=$*
+IFS=$ac_save_IFS
+case $build_os in *\ *) build_os=`echo "$build_os" | sed 's/ /-/g'`;; esac
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking host system type" >&5
+$as_echo_n "checking host system type... " >&6; }
+if ${ac_cv_host+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test "x$host_alias" = x; then
+  ac_cv_host=$ac_cv_build
+else
+  ac_cv_host=`$SHELL "$ac_aux_dir/config.sub" $host_alias` ||
+    as_fn_error $? "$SHELL $ac_aux_dir/config.sub $host_alias failed" "$LINENO" 5
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_host" >&5
+$as_echo "$ac_cv_host" >&6; }
+case $ac_cv_host in
+*-*-*) ;;
+*) as_fn_error $? "invalid value of canonical host" "$LINENO" 5;;
+esac
+host=$ac_cv_host
+ac_save_IFS=$IFS; IFS='-'
+set x $ac_cv_host
+shift
+host_cpu=$1
+host_vendor=$2
+shift; shift
+# Remember, the first character of IFS is used to create $*,
+# except with old shells:
+host_os=$*
+IFS=$ac_save_IFS
+case $host_os in *\ *) host_os=`echo "$host_os" | sed 's/ /-/g'`;; esac
+
+
+# Backslashify metacharacters that are still active within
+# double-quoted strings.
+sed_quote_subst='s/\(["`$\\]\)/\\\1/g'
+
+# Same as above, but do not quote variable references.
+double_quote_subst='s/\(["`\\]\)/\\\1/g'
+
+# Sed substitution to delay expansion of an escaped shell variable in a
+# double_quote_subst'ed string.
+delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g'
+
+# Sed substitution to delay expansion of an escaped single quote.
+delay_single_quote_subst='s/'\''/'\'\\\\\\\'\''/g'
+
+# Sed substitution to avoid accidental globbing in evaled expressions
+no_glob_subst='s/\*/\\\*/g'
+
+ECHO='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
+ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO
+ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO$ECHO
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to print strings" >&5
+$as_echo_n "checking how to print strings... " >&6; }
+# Test print first, because it will be a builtin if present.
+if test "X`( print -r -- -n ) 2>/dev/null`" = X-n && \
+   test "X`print -r -- $ECHO 2>/dev/null`" = "X$ECHO"; then
+  ECHO='print -r --'
+elif test "X`printf %s $ECHO 2>/dev/null`" = "X$ECHO"; then
+  ECHO='printf %s\n'
+else
+  # Use this function as a fallback that always works.
+  func_fallback_echo ()
+  {
+    eval 'cat <<_LTECHO_EOF
+$1
+_LTECHO_EOF'
+  }
+  ECHO='func_fallback_echo'
+fi
+
+# func_echo_all arg...
+# Invoke $ECHO with all args, space-separated.
+func_echo_all ()
+{
+    $ECHO ""
+}
+
+case "$ECHO" in
+  printf*) { $as_echo "$as_me:${as_lineno-$LINENO}: result: printf" >&5
+$as_echo "printf" >&6; } ;;
+  print*) { $as_echo "$as_me:${as_lineno-$LINENO}: result: print -r" >&5
+$as_echo "print -r" >&6; } ;;
+  *) { $as_echo "$as_me:${as_lineno-$LINENO}: result: cat" >&5
+$as_echo "cat" >&6; } ;;
+esac
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+DEPDIR="${am__leading_dot}deps"
+
+ac_config_commands="$ac_config_commands depfiles"
+
+
+am_make=${MAKE-make}
+cat > confinc << 'END'
+am__doit:
+	@echo this is the am__doit target
+.PHONY: am__doit
+END
+# If we don't find an include directive, just comment out the code.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for style of include used by $am_make" >&5
+$as_echo_n "checking for style of include used by $am_make... " >&6; }
+am__include="#"
+am__quote=
+_am_result=none
+# First try GNU make style include.
+echo "include confinc" > confmf
+# Ignore all kinds of additional output from 'make'.
+case `$am_make -s -f confmf 2> /dev/null` in #(
+*the\ am__doit\ target*)
+  am__include=include
+  am__quote=
+  _am_result=GNU
+  ;;
+esac
+# Now try BSD make style include.
+if test "$am__include" = "#"; then
+   echo '.include "confinc"' > confmf
+   case `$am_make -s -f confmf 2> /dev/null` in #(
+   *the\ am__doit\ target*)
+     am__include=.include
+     am__quote="\""
+     _am_result=BSD
+     ;;
+   esac
+fi
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $_am_result" >&5
+$as_echo "$_am_result" >&6; }
+rm -f confinc confmf
+
+# Check whether --enable-dependency-tracking was given.
+if test "${enable_dependency_tracking+set}" = set; then :
+  enableval=$enable_dependency_tracking;
+fi
+
+if test "x$enable_dependency_tracking" != xno; then
+  am_depcomp="$ac_aux_dir/depcomp"
+  AMDEPBACKSLASH='\'
+  am__nodep='_no'
+fi
+ if test "x$enable_dependency_tracking" != xno; then
+  AMDEP_TRUE=
+  AMDEP_FALSE='#'
+else
+  AMDEP_TRUE='#'
+  AMDEP_FALSE=
+fi
+
+
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -3564,69 +3791,6 @@ ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
-DEPDIR="${am__leading_dot}deps"
-
-ac_config_commands="$ac_config_commands depfiles"
-
-
-am_make=${MAKE-make}
-cat > confinc << 'END'
-am__doit:
-	@echo this is the am__doit target
-.PHONY: am__doit
-END
-# If we don't find an include directive, just comment out the code.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for style of include used by $am_make" >&5
-$as_echo_n "checking for style of include used by $am_make... " >&6; }
-am__include="#"
-am__quote=
-_am_result=none
-# First try GNU make style include.
-echo "include confinc" > confmf
-# Ignore all kinds of additional output from 'make'.
-case `$am_make -s -f confmf 2> /dev/null` in #(
-*the\ am__doit\ target*)
-  am__include=include
-  am__quote=
-  _am_result=GNU
-  ;;
-esac
-# Now try BSD make style include.
-if test "$am__include" = "#"; then
-   echo '.include "confinc"' > confmf
-   case `$am_make -s -f confmf 2> /dev/null` in #(
-   *the\ am__doit\ target*)
-     am__include=.include
-     am__quote="\""
-     _am_result=BSD
-     ;;
-   esac
-fi
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $_am_result" >&5
-$as_echo "$_am_result" >&6; }
-rm -f confinc confmf
-
-# Check whether --enable-dependency-tracking was given.
-if test "${enable_dependency_tracking+set}" = set; then :
-  enableval=$enable_dependency_tracking;
-fi
-
-if test "x$enable_dependency_tracking" != xno; then
-  am_depcomp="$ac_aux_dir/depcomp"
-  AMDEPBACKSLASH='\'
-  am__nodep='_no'
-fi
- if test "x$enable_dependency_tracking" != xno; then
-  AMDEP_TRUE=
-  AMDEP_FALSE='#'
-else
-  AMDEP_TRUE='#'
-  AMDEP_FALSE=
-fi
-
-
 
 depcc="$CC"   am_compiler_list=
 
@@ -3756,297 +3920,6 @@ else
 fi
 
 
-if test "x$CC" != xcc; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC and cc understand -c and -o together" >&5
-$as_echo_n "checking whether $CC and cc understand -c and -o together... " >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether cc understands -c and -o together" >&5
-$as_echo_n "checking whether cc understands -c and -o together... " >&6; }
-fi
-set dummy $CC; ac_cc=`$as_echo "$2" |
-		      sed 's/[^a-zA-Z0-9_]/_/g;s/^[0-9]/_/'`
-if eval \${ac_cv_prog_cc_${ac_cc}_c_o+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
-# Make sure it works both with $CC and with simple cc.
-# We do the test twice because some compilers refuse to overwrite an
-# existing .o file with -o, though they will create one.
-ac_try='$CC -c conftest.$ac_ext -o conftest2.$ac_objext >&5'
-rm -f conftest2.*
-if { { case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
-  (eval "$ac_try") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; } &&
-   test -f conftest2.$ac_objext && { { case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
-  (eval "$ac_try") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; };
-then
-  eval ac_cv_prog_cc_${ac_cc}_c_o=yes
-  if test "x$CC" != xcc; then
-    # Test first that cc exists at all.
-    if { ac_try='cc -c conftest.$ac_ext >&5'
-  { { case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
-  (eval "$ac_try") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; }; then
-      ac_try='cc -c conftest.$ac_ext -o conftest2.$ac_objext >&5'
-      rm -f conftest2.*
-      if { { case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
-  (eval "$ac_try") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; } &&
-	 test -f conftest2.$ac_objext && { { case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
-  (eval "$ac_try") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; };
-      then
-	# cc works too.
-	:
-      else
-	# cc exists but doesn't like -o.
-	eval ac_cv_prog_cc_${ac_cc}_c_o=no
-      fi
-    fi
-  fi
-else
-  eval ac_cv_prog_cc_${ac_cc}_c_o=no
-fi
-rm -f core conftest*
-
-fi
-if eval test \$ac_cv_prog_cc_${ac_cc}_c_o = yes; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-
-$as_echo "#define NO_MINUS_C_MINUS_O 1" >>confdefs.h
-
-fi
-
-# FIXME: we rely on the cache variable name because
-# there is no other way.
-set dummy $CC
-am_cc=`echo $2 | sed 's/[^a-zA-Z0-9_]/_/g;s/^[0-9]/_/'`
-eval am_t=\$ac_cv_prog_cc_${am_cc}_c_o
-if test "$am_t" != yes; then
-   # Losing compiler, so override with the script.
-   # FIXME: It is wrong to rewrite CC.
-   # But if we don't then we get into trouble of one sort or another.
-   # A longer-term fix would be to have automake use am__CC in this case,
-   # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
-   CC="$am_aux_dir/compile $CC"
-fi
-
-
-case `pwd` in
-  *\ * | *\	*)
-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Libtool does not cope well with whitespace in \`pwd\`" >&5
-$as_echo "$as_me: WARNING: Libtool does not cope well with whitespace in \`pwd\`" >&2;} ;;
-esac
-
-
-
-macro_version='2.4'
-macro_revision='1.3293'
-
-
-
-
-
-
-
-
-
-
-
-
-
-ltmain="$ac_aux_dir/ltmain.sh"
-
-# Make sure we can run config.sub.
-$SHELL "$ac_aux_dir/config.sub" sun4 >/dev/null 2>&1 ||
-  as_fn_error $? "cannot run $SHELL $ac_aux_dir/config.sub" "$LINENO" 5
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking build system type" >&5
-$as_echo_n "checking build system type... " >&6; }
-if ${ac_cv_build+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  ac_build_alias=$build_alias
-test "x$ac_build_alias" = x &&
-  ac_build_alias=`$SHELL "$ac_aux_dir/config.guess"`
-test "x$ac_build_alias" = x &&
-  as_fn_error $? "cannot guess build type; you must specify one" "$LINENO" 5
-ac_cv_build=`$SHELL "$ac_aux_dir/config.sub" $ac_build_alias` ||
-  as_fn_error $? "$SHELL $ac_aux_dir/config.sub $ac_build_alias failed" "$LINENO" 5
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_build" >&5
-$as_echo "$ac_cv_build" >&6; }
-case $ac_cv_build in
-*-*-*) ;;
-*) as_fn_error $? "invalid value of canonical build" "$LINENO" 5;;
-esac
-build=$ac_cv_build
-ac_save_IFS=$IFS; IFS='-'
-set x $ac_cv_build
-shift
-build_cpu=$1
-build_vendor=$2
-shift; shift
-# Remember, the first character of IFS is used to create $*,
-# except with old shells:
-build_os=$*
-IFS=$ac_save_IFS
-case $build_os in *\ *) build_os=`echo "$build_os" | sed 's/ /-/g'`;; esac
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking host system type" >&5
-$as_echo_n "checking host system type... " >&6; }
-if ${ac_cv_host+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test "x$host_alias" = x; then
-  ac_cv_host=$ac_cv_build
-else
-  ac_cv_host=`$SHELL "$ac_aux_dir/config.sub" $host_alias` ||
-    as_fn_error $? "$SHELL $ac_aux_dir/config.sub $host_alias failed" "$LINENO" 5
-fi
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_host" >&5
-$as_echo "$ac_cv_host" >&6; }
-case $ac_cv_host in
-*-*-*) ;;
-*) as_fn_error $? "invalid value of canonical host" "$LINENO" 5;;
-esac
-host=$ac_cv_host
-ac_save_IFS=$IFS; IFS='-'
-set x $ac_cv_host
-shift
-host_cpu=$1
-host_vendor=$2
-shift; shift
-# Remember, the first character of IFS is used to create $*,
-# except with old shells:
-host_os=$*
-IFS=$ac_save_IFS
-case $host_os in *\ *) host_os=`echo "$host_os" | sed 's/ /-/g'`;; esac
-
-
-# Backslashify metacharacters that are still active within
-# double-quoted strings.
-sed_quote_subst='s/\(["`$\\]\)/\\\1/g'
-
-# Same as above, but do not quote variable references.
-double_quote_subst='s/\(["`\\]\)/\\\1/g'
-
-# Sed substitution to delay expansion of an escaped shell variable in a
-# double_quote_subst'ed string.
-delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g'
-
-# Sed substitution to delay expansion of an escaped single quote.
-delay_single_quote_subst='s/'\''/'\'\\\\\\\'\''/g'
-
-# Sed substitution to avoid accidental globbing in evaled expressions
-no_glob_subst='s/\*/\\\*/g'
-
-ECHO='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
-ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO
-ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO$ECHO
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to print strings" >&5
-$as_echo_n "checking how to print strings... " >&6; }
-# Test print first, because it will be a builtin if present.
-if test "X`( print -r -- -n ) 2>/dev/null`" = X-n && \
-   test "X`print -r -- $ECHO 2>/dev/null`" = "X$ECHO"; then
-  ECHO='print -r --'
-elif test "X`printf %s $ECHO 2>/dev/null`" = "X$ECHO"; then
-  ECHO='printf %s\n'
-else
-  # Use this function as a fallback that always works.
-  func_fallback_echo ()
-  {
-    eval 'cat <<_LTECHO_EOF
-$1
-_LTECHO_EOF'
-  }
-  ECHO='func_fallback_echo'
-fi
-
-# func_echo_all arg...
-# Invoke $ECHO with all args, space-separated.
-func_echo_all ()
-{
-    $ECHO ""
-}
-
-case "$ECHO" in
-  printf*) { $as_echo "$as_me:${as_lineno-$LINENO}: result: printf" >&5
-$as_echo "printf" >&6; } ;;
-  print*) { $as_echo "$as_me:${as_lineno-$LINENO}: result: print -r" >&5
-$as_echo "print -r" >&6; } ;;
-  *) { $as_echo "$as_me:${as_lineno-$LINENO}: result: cat" >&5
-$as_echo "cat" >&6; } ;;
-esac
-
-
-
-
-
-
-
-
-
-
-
-
-
-
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for a sed that does not truncate output" >&5
 $as_echo_n "checking for a sed that does not truncate output... " >&6; }
 if ${ac_cv_path_SED+:} false; then :
@@ -11402,6 +11275,804 @@ CC="$lt_save_CC"
 # Only expand once:
 
 
+
+ORIG_CFLAGS="${CFLAGS:-none}"
+
+# Checks for programs
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args.
+set dummy ${ac_tool_prefix}gcc; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_CC+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$CC"; then
+  ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_CC="${ac_tool_prefix}gcc"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+CC=$ac_cv_prog_CC
+if test -n "$CC"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+$as_echo "$CC" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_CC"; then
+  ac_ct_CC=$CC
+  # Extract the first word of "gcc", so it can be a program name with args.
+set dummy gcc; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_CC+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$ac_ct_CC"; then
+  ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_CC="gcc"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_CC=$ac_cv_prog_ac_ct_CC
+if test -n "$ac_ct_CC"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
+$as_echo "$ac_ct_CC" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_ct_CC" = x; then
+    CC=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    CC=$ac_ct_CC
+  fi
+else
+  CC="$ac_cv_prog_CC"
+fi
+
+if test -z "$CC"; then
+          if test -n "$ac_tool_prefix"; then
+    # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args.
+set dummy ${ac_tool_prefix}cc; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_CC+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$CC"; then
+  ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_CC="${ac_tool_prefix}cc"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+CC=$ac_cv_prog_CC
+if test -n "$CC"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+$as_echo "$CC" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+  fi
+fi
+if test -z "$CC"; then
+  # Extract the first word of "cc", so it can be a program name with args.
+set dummy cc; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_CC+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$CC"; then
+  ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+  ac_prog_rejected=no
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then
+       ac_prog_rejected=yes
+       continue
+     fi
+    ac_cv_prog_CC="cc"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+if test $ac_prog_rejected = yes; then
+  # We found a bogon in the path, so make sure we never use it.
+  set dummy $ac_cv_prog_CC
+  shift
+  if test $# != 0; then
+    # We chose a different compiler from the bogus one.
+    # However, it has the same basename, so the bogon will be chosen
+    # first if we set CC to just the basename; use the full file name.
+    shift
+    ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@"
+  fi
+fi
+fi
+fi
+CC=$ac_cv_prog_CC
+if test -n "$CC"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+$as_echo "$CC" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$CC"; then
+  if test -n "$ac_tool_prefix"; then
+  for ac_prog in cl.exe
+  do
+    # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
+set dummy $ac_tool_prefix$ac_prog; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_CC+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$CC"; then
+  ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_CC="$ac_tool_prefix$ac_prog"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+CC=$ac_cv_prog_CC
+if test -n "$CC"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+$as_echo "$CC" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+    test -n "$CC" && break
+  done
+fi
+if test -z "$CC"; then
+  ac_ct_CC=$CC
+  for ac_prog in cl.exe
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_CC+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$ac_ct_CC"; then
+  ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_CC="$ac_prog"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_CC=$ac_cv_prog_ac_ct_CC
+if test -n "$ac_ct_CC"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
+$as_echo "$ac_ct_CC" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+  test -n "$ac_ct_CC" && break
+done
+
+  if test "x$ac_ct_CC" = x; then
+    CC=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    CC=$ac_ct_CC
+  fi
+fi
+
+fi
+
+
+test -z "$CC" && { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "no acceptable C compiler found in \$PATH
+See \`config.log' for more details" "$LINENO" 5; }
+
+# Provide some information about the compiler.
+$as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5
+set X $ac_compile
+ac_compiler=$2
+for ac_option in --version -v -V -qversion; do
+  { { ac_try="$ac_compiler $ac_option >&5"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_compiler $ac_option >&5") 2>conftest.err
+  ac_status=$?
+  if test -s conftest.err; then
+    sed '10a\
+... rest of stderr output deleted ...
+         10q' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+  fi
+  rm -f conftest.er1 conftest.err
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+done
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C compiler" >&5
+$as_echo_n "checking whether we are using the GNU C compiler... " >&6; }
+if ${ac_cv_c_compiler_gnu+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+#ifndef __GNUC__
+       choke me
+#endif
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_compiler_gnu=yes
+else
+  ac_compiler_gnu=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ac_cv_c_compiler_gnu=$ac_compiler_gnu
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5
+$as_echo "$ac_cv_c_compiler_gnu" >&6; }
+if test $ac_compiler_gnu = yes; then
+  GCC=yes
+else
+  GCC=
+fi
+ac_test_CFLAGS=${CFLAGS+set}
+ac_save_CFLAGS=$CFLAGS
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5
+$as_echo_n "checking whether $CC accepts -g... " >&6; }
+if ${ac_cv_prog_cc_g+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_save_c_werror_flag=$ac_c_werror_flag
+   ac_c_werror_flag=yes
+   ac_cv_prog_cc_g=no
+   CFLAGS="-g"
+   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_prog_cc_g=yes
+else
+  CFLAGS=""
+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+else
+  ac_c_werror_flag=$ac_save_c_werror_flag
+	 CFLAGS="-g"
+	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_prog_cc_g=yes
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+   ac_c_werror_flag=$ac_save_c_werror_flag
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5
+$as_echo "$ac_cv_prog_cc_g" >&6; }
+if test "$ac_test_CFLAGS" = set; then
+  CFLAGS=$ac_save_CFLAGS
+elif test $ac_cv_prog_cc_g = yes; then
+  if test "$GCC" = yes; then
+    CFLAGS="-g -O2"
+  else
+    CFLAGS="-g"
+  fi
+else
+  if test "$GCC" = yes; then
+    CFLAGS="-O2"
+  else
+    CFLAGS=
+  fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $CC option to accept ISO C89" >&5
+$as_echo_n "checking for $CC option to accept ISO C89... " >&6; }
+if ${ac_cv_prog_cc_c89+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_cv_prog_cc_c89=no
+ac_save_CC=$CC
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <stdarg.h>
+#include <stdio.h>
+struct stat;
+/* Most of the following tests are stolen from RCS 5.7's src/conf.sh.  */
+struct buf { int x; };
+FILE * (*rcsopen) (struct buf *, struct stat *, int);
+static char *e (p, i)
+     char **p;
+     int i;
+{
+  return p[i];
+}
+static char *f (char * (*g) (char **, int), char **p, ...)
+{
+  char *s;
+  va_list v;
+  va_start (v,p);
+  s = g (p, va_arg (v,int));
+  va_end (v);
+  return s;
+}
+
+/* OSF 4.0 Compaq cc is some sort of almost-ANSI by default.  It has
+   function prototypes and stuff, but not '\xHH' hex character constants.
+   These don't provoke an error unfortunately, instead are silently treated
+   as 'x'.  The following induces an error, until -std is added to get
+   proper ANSI mode.  Curiously '\x00'!='x' always comes out true, for an
+   array size at least.  It's necessary to write '\x00'==0 to get something
+   that's true only with -std.  */
+int osf4_cc_array ['\x00' == 0 ? 1 : -1];
+
+/* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters
+   inside strings and character constants.  */
+#define FOO(x) 'x'
+int xlc6_cc_array[FOO(a) == 'x' ? 1 : -1];
+
+int test (int i, double x);
+struct s1 {int (*f) (int a);};
+struct s2 {int (*f) (double a);};
+int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int);
+int argc;
+char **argv;
+int
+main ()
+{
+return f (e, argv, 0) != argv[0]  ||  f (e, argv, 1) != argv[1];
+  ;
+  return 0;
+}
+_ACEOF
+for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std \
+	-Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
+do
+  CC="$ac_save_CC $ac_arg"
+  if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_prog_cc_c89=$ac_arg
+fi
+rm -f core conftest.err conftest.$ac_objext
+  test "x$ac_cv_prog_cc_c89" != "xno" && break
+done
+rm -f conftest.$ac_ext
+CC=$ac_save_CC
+
+fi
+# AC_CACHE_VAL
+case "x$ac_cv_prog_cc_c89" in
+  x)
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
+$as_echo "none needed" >&6; } ;;
+  xno)
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
+$as_echo "unsupported" >&6; } ;;
+  *)
+    CC="$CC $ac_cv_prog_cc_c89"
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5
+$as_echo "$ac_cv_prog_cc_c89" >&6; } ;;
+esac
+if test "x$ac_cv_prog_cc_c89" != xno; then :
+
+fi
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+depcc="$CC"   am_compiler_list=
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking dependency style of $depcc" >&5
+$as_echo_n "checking dependency style of $depcc... " >&6; }
+if ${am_cv_CC_dependencies_compiler_type+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
+  # We make a subdir and do the tests there.  Otherwise we can end up
+  # making bogus files that we don't know about and never remove.  For
+  # instance it was reported that on HP-UX the gcc test will end up
+  # making a dummy file named 'D' -- because '-MD' means "put the output
+  # in D".
+  rm -rf conftest.dir
+  mkdir conftest.dir
+  # Copy depcomp to subdir because otherwise we won't find it if we're
+  # using a relative directory.
+  cp "$am_depcomp" conftest.dir
+  cd conftest.dir
+  # We will build objects and dependencies in a subdirectory because
+  # it helps to detect inapplicable dependency modes.  For instance
+  # both Tru64's cc and ICC support -MD to output dependencies as a
+  # side effect of compilation, but ICC will put the dependencies in
+  # the current directory while Tru64 will put them in the object
+  # directory.
+  mkdir sub
+
+  am_cv_CC_dependencies_compiler_type=none
+  if test "$am_compiler_list" = ""; then
+     am_compiler_list=`sed -n 's/^#*\([a-zA-Z0-9]*\))$/\1/p' < ./depcomp`
+  fi
+  am__universal=false
+  case " $depcc " in #(
+     *\ -arch\ *\ -arch\ *) am__universal=true ;;
+     esac
+
+  for depmode in $am_compiler_list; do
+    # Setup a source with many dependencies, because some compilers
+    # like to wrap large dependency lists on column 80 (with \), and
+    # we should not choose a depcomp mode which is confused by this.
+    #
+    # We need to recreate these files for each test, as the compiler may
+    # overwrite some of them when testing with obscure command lines.
+    # This happens at least with the AIX C compiler.
+    : > sub/conftest.c
+    for i in 1 2 3 4 5 6; do
+      echo '#include "conftst'$i'.h"' >> sub/conftest.c
+      # Using ": > sub/conftst$i.h" creates only sub/conftst1.h with
+      # Solaris 10 /bin/sh.
+      echo '/* dummy */' > sub/conftst$i.h
+    done
+    echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf
+
+    # We check with '-c' and '-o' for the sake of the "dashmstdout"
+    # mode.  It turns out that the SunPro C++ compiler does not properly
+    # handle '-M -o', and we need to detect this.  Also, some Intel
+    # versions had trouble with output in subdirs.
+    am__obj=sub/conftest.${OBJEXT-o}
+    am__minus_obj="-o $am__obj"
+    case $depmode in
+    gcc)
+      # This depmode causes a compiler race in universal mode.
+      test "$am__universal" = false || continue
+      ;;
+    nosideeffect)
+      # After this tag, mechanisms are not by side-effect, so they'll
+      # only be used when explicitly requested.
+      if test "x$enable_dependency_tracking" = xyes; then
+	continue
+      else
+	break
+      fi
+      ;;
+    msvc7 | msvc7msys | msvisualcpp | msvcmsys)
+      # This compiler won't grok '-c -o', but also, the minuso test has
+      # not run yet.  These depmodes are late enough in the game, and
+      # so weak that their functioning should not be impacted.
+      am__obj=conftest.${OBJEXT-o}
+      am__minus_obj=
+      ;;
+    none) break ;;
+    esac
+    if depmode=$depmode \
+       source=sub/conftest.c object=$am__obj \
+       depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
+       $SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \
+         >/dev/null 2>conftest.err &&
+       grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 &&
+       grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
+       grep $am__obj sub/conftest.Po > /dev/null 2>&1 &&
+       ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
+      # icc doesn't choke on unknown options, it will just issue warnings
+      # or remarks (even with -Werror).  So we grep stderr for any message
+      # that says an option was ignored or not supported.
+      # When given -MP, icc 7.0 and 7.1 complain thusly:
+      #   icc: Command line warning: ignoring option '-M'; no argument required
+      # The diagnosis changed in icc 8.0:
+      #   icc: Command line remark: option '-MP' not supported
+      if (grep 'ignoring option' conftest.err ||
+          grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else
+        am_cv_CC_dependencies_compiler_type=$depmode
+        break
+      fi
+    fi
+  done
+
+  cd ..
+  rm -rf conftest.dir
+else
+  am_cv_CC_dependencies_compiler_type=none
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_CC_dependencies_compiler_type" >&5
+$as_echo "$am_cv_CC_dependencies_compiler_type" >&6; }
+CCDEPMODE=depmode=$am_cv_CC_dependencies_compiler_type
+
+ if
+  test "x$enable_dependency_tracking" != xno \
+  && test "$am_cv_CC_dependencies_compiler_type" = gcc3; then
+  am__fastdepCC_TRUE=
+  am__fastdepCC_FALSE='#'
+else
+  am__fastdepCC_TRUE='#'
+  am__fastdepCC_FALSE=
+fi
+
+
+if test "x$CC" != xcc; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC and cc understand -c and -o together" >&5
+$as_echo_n "checking whether $CC and cc understand -c and -o together... " >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether cc understands -c and -o together" >&5
+$as_echo_n "checking whether cc understands -c and -o together... " >&6; }
+fi
+set dummy $CC; ac_cc=`$as_echo "$2" |
+		      sed 's/[^a-zA-Z0-9_]/_/g;s/^[0-9]/_/'`
+if eval \${ac_cv_prog_cc_${ac_cc}_c_o+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+# Make sure it works both with $CC and with simple cc.
+# We do the test twice because some compilers refuse to overwrite an
+# existing .o file with -o, though they will create one.
+ac_try='$CC -c conftest.$ac_ext -o conftest2.$ac_objext >&5'
+rm -f conftest2.*
+if { { case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } &&
+   test -f conftest2.$ac_objext && { { case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; };
+then
+  eval ac_cv_prog_cc_${ac_cc}_c_o=yes
+  if test "x$CC" != xcc; then
+    # Test first that cc exists at all.
+    if { ac_try='cc -c conftest.$ac_ext >&5'
+  { { case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }; then
+      ac_try='cc -c conftest.$ac_ext -o conftest2.$ac_objext >&5'
+      rm -f conftest2.*
+      if { { case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } &&
+	 test -f conftest2.$ac_objext && { { case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; };
+      then
+	# cc works too.
+	:
+      else
+	# cc exists but doesn't like -o.
+	eval ac_cv_prog_cc_${ac_cc}_c_o=no
+      fi
+    fi
+  fi
+else
+  eval ac_cv_prog_cc_${ac_cc}_c_o=no
+fi
+rm -f core conftest*
+
+fi
+if eval test \$ac_cv_prog_cc_${ac_cc}_c_o = yes; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+
+$as_echo "#define NO_MINUS_C_MINUS_O 1" >>confdefs.h
+
+fi
+
+# FIXME: we rely on the cache variable name because
+# there is no other way.
+set dummy $CC
+am_cc=`echo $2 | sed 's/[^a-zA-Z0-9_]/_/g;s/^[0-9]/_/'`
+eval am_t=\$ac_cv_prog_cc_${am_cc}_c_o
+if test "$am_t" != yes; then
+   # Losing compiler, so override with the script.
+   # FIXME: It is wrong to rewrite CC.
+   # But if we don't then we get into trouble of one sort or another.
+   # A longer-term fix would be to have automake use am__CC in this case,
+   # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
+   CC="$am_aux_dir/compile $CC"
+fi
+
+
+
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for a sed that does not truncate output" >&5
 $as_echo_n "checking for a sed that does not truncate output... " >&6; }
 if ${ac_cv_path_SED+:} false; then :
@@ -11515,32 +12186,6 @@ done
 
 
 
-# Allow user to specify flags
-
-# Check whether --with-cflags was given.
-if test "${with_cflags+set}" = set; then :
-  withval=$with_cflags;
-                if test -n "$withval"  &&  test "x$withval" != "xno"  &&  \
-                    test "x${withval}" != "xyes"; then
-                        CFLAGS="$CFLAGS $withval"
-                fi
-
-
-fi
-
-
-
-# Check whether --with-ldflags was given.
-if test "${with_ldflags+set}" = set; then :
-  withval=$with_ldflags;
-                if test -n "$withval"  &&  test "x$withval" != "xno"  &&  \
-                    test "x${withval}" != "xyes"; then
-                        LDFLAGS="$LDFLAGS $withval"
-                fi
-
-
-fi
-
 
 
 
@@ -11661,7 +12306,7 @@ $as_echo "#define STDC_HEADERS 1" >>confdefs.h
 fi
 
 for ac_header in errno.h err.h stdlib.h string.h unistd.h stdio.h getopt.h\
-                 limits.h stddef.h stdint.h sys/types.h sys/stat.h termios.h
+                 limits.h stddef.h stdint.h sys/types.h sys/stat.h endian.h sys/endian.h termios.h
 do :
   as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
 ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
@@ -11690,6 +12335,7 @@ fi
 # Checks for library functions.
 for ac_func in \
     arc4random_buf \
+    bzero \
     fread \
     fopen \
     free \
@@ -11707,6 +12353,8 @@ for ac_func in \
     strtol \
     sizeof \
     tcgetattr \
+    be32toh \
+    htobe32 \
     umask
 
 do :
@@ -11754,6 +12402,71 @@ rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
 fi
 
 
+_havenacl=no
+_ldlib=""
+
+
+# Check whether --with-libsodium was given.
+if test "${with_libsodium+set}" = set; then :
+  withval=$with_libsodium; search_libsodium="yes"
+fi
+
+
+if test "x$search_libsodium" = "xyes"; then
+    if test -r "${with_libsodium}/include/sodium.h"; then
+        CFLAGS="-I${with_libsodium}/include ${CFLAGS}"
+        LDFLAGS="-L${with_libsodium}/lib ${LDFLAGS}"
+        _havenacl=yes
+	_ldlib="${with_libsodium}/lib"
+    fi
+fi
+
+
+# Check whether --with-libsodium-include-dir was given.
+if test "${with_libsodium_include_dir+set}" = set; then :
+  withval=$with_libsodium_include_dir; search_libsodium_include="yes"
+fi
+
+
+if test "x$search_libsodium_include" = "xyes"; then
+    if test -r "${with_libsodium_include_dir}/sodium.h"; then
+        CFLAGS="-I${with_libsodium_include_dir}/include ${CFLAGS}"
+	_havenacl=yes
+    fi
+fi
+
+
+# Check whether --with-libsodium_lib_dir was given.
+if test "${with_libsodium_lib_dir+set}" = set; then :
+  withval=$with_libsodium_lib_dir; search_libsodium_lib="yes"
+fi
+
+
+if test "x$search_libsodium_lib" = "xyes"; then
+    if test -r "${with_libsodium_lib_dir}/libsodium.{a|so|dylib}"; then
+        LDFLAGS="-L${with_libsodium}/lib ${LDFLAGS}"
+	_havenacl=yes
+	_ldlib="${with_libsodium}/lib"
+    fi
+fi
+
+if test "x${_havenacl}" = "xno"; then
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking pkg-config for libsodium" >&5
+$as_echo_n "checking pkg-config for libsodium... " >&6; }
+	if pkg-config --exists libsodium; then
+		# found it
+		LDFLAGS=`pkg-config --libs libsodium`
+		CFLAGS=`pkg-config --cflags libsodium`
+		_ldlib=`pkg-config --libs libsodium | cut -d ' ' -f 1 | cut -d L -f 2`
+		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+	else
+		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+	fi
+fi
+
+
 
 # Check for some target-specific stuff
 case "$host" in
@@ -11843,6 +12556,11 @@ else
 fi
 
 
+if test -n "$_ldlib"; then
+	export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:${_ldlib}"
+	 { $as_echo "$as_me:${as_lineno-$LINENO}: result: LD_LIBRARY_PATH: $LD_LIBRARY_PATH" >&5
+$as_echo "LD_LIBRARY_PATH: $LD_LIBRARY_PATH" >&6; }
+fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking is libsodium compiled correctly" >&5
 $as_echo_n "checking is libsodium compiled correctly... " >&6; }
 if test "$cross_compiling" = yes; then :
@@ -12020,6 +12738,10 @@ if test -z "${am__fastdepCC_TRUE}" && test -z "${am__fastdepCC_FALSE}"; then
   as_fn_error $? "conditional \"am__fastdepCC\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
+if test -z "${am__fastdepCC_TRUE}" && test -z "${am__fastdepCC_FALSE}"; then
+  as_fn_error $? "conditional \"am__fastdepCC\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
 
 : "${CONFIG_STATUS=./config.status}"
 ac_write_fail=0
diff --git a/configure.ac b/configure.ac
index d510bad..09f0d4a 100755
--- a/configure.ac
+++ b/configure.ac
@@ -6,7 +6,7 @@ AC_CONFIG_MACRO_DIR(config)
 
 AC_CONFIG_HEADER(libpcp/config.h)
 AM_INIT_AUTOMAKE
-
+LT_INIT
 
 ORIG_CFLAGS="${CFLAGS:-none}"
 
@@ -18,26 +18,6 @@ AC_PROG_SED
 AC_PROG_AWK
 AC_PROG_INSTALL
 
-# Allow user to specify flags
-AC_ARG_WITH([cflags],
-        [  --with-cflags           Specify additional flags to pass to compiler],
-        [
-                if test -n "$withval"  &&  test "x$withval" != "xno"  &&  \
-                    test "x${withval}" != "xyes"; then
-                        CFLAGS="$CFLAGS $withval"
-                fi
-        ]
-)
-
-AC_ARG_WITH([ldflags],
-        [  --with-ldflags          Specify additional flags to pass to linker],
-        [
-                if test -n "$withval"  &&  test "x$withval" != "xno"  &&  \
-                    test "x${withval}" != "xyes"; then
-                        LDFLAGS="$LDFLAGS $withval"
-                fi
-        ]
-)
 
 
 
@@ -47,13 +27,14 @@ AC_CANONICAL_HOST
 # Checks for header files.
 AC_HEADER_STDC
 AC_CHECK_HEADERS(errno.h err.h stdlib.h string.h unistd.h stdio.h getopt.h\
-                 limits.h stddef.h stdint.h sys/types.h sys/stat.h termios.h)
+                 limits.h stddef.h stdint.h sys/types.h sys/stat.h endian.h sys/endian.h termios.h)
 
 AC_TYPE_SIZE_T
 
 # Checks for library functions.
 AC_CHECK_FUNCS( \
     arc4random_buf \
+    bzero \
     fread \
     fopen \
     free \
@@ -71,6 +52,8 @@ AC_CHECK_FUNCS( \
     strtol \
     sizeof \
     tcgetattr \
+    be32toh \
+    htobe32 \
     umask
 )
 
@@ -84,6 +67,65 @@ AC_RUN_IFELSE([AC_LANG_PROGRAM([[ #include <stdio.h> ]], [[ exit(0); ]])],
         [       AC_MSG_WARN([cross compiling: not checking compiler sanity]) ]
 )
 
+_havenacl=no
+_ldlib=""
+
+AC_ARG_WITH([libsodium],
+            [AS_HELP_STRING([--with-libsodium],
+                            [Specify libsodium prefix])],
+            [search_libsodium="yes"],
+            [])
+
+if test "x$search_libsodium" = "xyes"; then
+    if test -r "${with_libsodium}/include/sodium.h"; then
+        CFLAGS="-I${with_libsodium}/include ${CFLAGS}"
+        LDFLAGS="-L${with_libsodium}/lib ${LDFLAGS}"
+        _havenacl=yes
+	_ldlib="${with_libsodium}/lib"
+    fi
+fi
+
+AC_ARG_WITH([libsodium-include-dir],
+            [AS_HELP_STRING([--with-libsodium-include-dir],
+                            [Specify libsodium include prefix])],
+            [search_libsodium_include="yes"],
+            [])
+
+if test "x$search_libsodium_include" = "xyes"; then
+    if test -r "${with_libsodium_include_dir}/sodium.h"; then
+        CFLAGS="-I${with_libsodium_include_dir}/include ${CFLAGS}"
+	_havenacl=yes
+    fi
+fi
+
+AC_ARG_WITH([libsodium_lib_dir],
+            [AS_HELP_STRING([--with-libsodium-lib-dir],
+                            [Specify libsodium library prefix])],
+            [search_libsodium_lib="yes"],
+            [])
+
+if test "x$search_libsodium_lib" = "xyes"; then
+    if test -r "${with_libsodium_lib_dir}/libsodium.{a|so|dylib}"; then
+        LDFLAGS="-L${with_libsodium}/lib ${LDFLAGS}"
+	_havenacl=yes
+	_ldlib="${with_libsodium}/lib"
+    fi
+fi
+
+if test "x${_havenacl}" = "xno"; then
+	AC_MSG_CHECKING([pkg-config for libsodium])
+	if pkg-config --exists libsodium; then
+		# found it
+		LDFLAGS=`pkg-config --libs libsodium`
+		CFLAGS=`pkg-config --cflags libsodium`
+		_ldlib=`pkg-config --libs libsodium | cut -d ' ' -f 1 | cut -d L -f 2`
+		AC_MSG_RESULT([yes])
+	else
+		AC_MSG_RESULT([no])
+	fi
+fi
+
+
 
 # Check for some target-specific stuff
 case "$host" in
@@ -127,6 +169,10 @@ esac
 
 AC_CHECK_LIB(sodium, sodium_init, , [AC_MSG_ERROR([cannot link with -lsodium, install libsodium.])])
 
+if test -n "$_ldlib"; then
+	export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:${_ldlib}"
+	 AC_MSG_RESULT([LD_LIBRARY_PATH: $LD_LIBRARY_PATH])
+fi
 AC_MSG_CHECKING([is libsodium compiled correctly])
 AC_RUN_IFELSE([
 AC_LANG_PROGRAM([[
diff --git a/include/pcp.h b/include/pcp.h
index fcf59cc..b2f1c1f 100644
--- a/include/pcp.h
+++ b/include/pcp.h
@@ -5,6 +5,7 @@
 extern "C" {
 #endif
 
+#include <endian.h>
 #include <err.h>
 #include <errno.h>
 #include <inttypes.h>   /* uint32_t */
@@ -19,7 +20,6 @@ extern "C" {
 #include <string.h>   /* memcmp,strlen */
 #include <strings.h>
 #include <sys/endian.h>
-#include <sys/endian.h> // FIXME: put portable thing from scrypt here
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <termios.h>
@@ -340,6 +340,66 @@ void pcp_pad_remove(unsigned char **unpadded, unsigned char *padded,
 #error Need either CONFIG_H_FILE or HAVE_CONFIG_H defined.
 #endif
 
+#ifdef HAVE_ENDIAN_H
+#else
+#ifdef HAVE_SYS_ENDIAN_H
+#else
+#ifdef HAVE_BETOH32
+// openbsd, use aliases
+#define be32toh betoh32
+#define htobe32 hto32be
+#else
+
+#if __BYTE_ORDER == __BIG_ENDIAN
+// Copyright (c) 1999 Joseph Samuel Myers. bsd-games
+#define be32toh(x)	((void)0)
+#define htobe32(x)	((void)0)
+#else
+#define be32toh(x)	((u_int32_t)ntohl((u_int32_t)(x)))
+#define htobe32(x)	((u_int32_t)htonl((u_int32_t)(x)))
+#endif
+
+#endif // HAVE_BETOH32
+#endif // HAVE_SYS_ENDIAN_H
+#endif // HAVE_ENDIAN_H
+
+
+#ifndef HAVE_ARC4RANDOM_BUF
+// shitty OS. we've got to use other stuff
+
+
+static inline FILE *__getranddev() {
+  FILE *R;
+  if((R = fopen("/dev/urandom", "rb")) == NULL) {
+    // not even this is here! what a shame
+    if((R = fopen("/dev/random", "rb")) == NULL) {
+      // not available or depleted. that's too bad
+      fprintf(stderr, "ERROR: /dev/urandom not available, /dev/random is depleted.\n");
+      fprintf(stderr, "That's horrible for you but a nightmare for me. I die. Bye.\n");
+      exit(2);
+    }
+  }
+  return R;
+}
+
+static inline u_int32_t arc4random() {
+  uint32_t x;
+  FILE *R = __getranddev();
+  fread(&x, sizeof(uint32_t), 1, R);
+  fclose(R);
+  return x;
+}
+
+static inline void arc4random_buf(void *buf, size_t nbytes) {
+  FILE *R = __getranddev();
+  fread(buf, nbytes, 1, R);
+  fclose(R);
+}
+
+
+#endif
+
+
 
 
 // +++ from libpcp/randomart.h: +++
@@ -462,18 +522,6 @@ vault_item_header_t * ih2native(vault_item_header_t *h);
 int pcp_version();
 
 
-// +++ from libpcp/warn.h: +++
-
-
-#ifdef HAVE_ERR_H
-#else
-#define NEED_WARN_PROGNAME
-const char * warn_progname;
-void warn(const char *, ...);
-void warnx(const char *, ...);
-#endif
-
-
 // +++ from libpcp/z85.h: +++
 
 // from https://github.com/tlinden/curve-keygen/
diff --git a/libpcp/Makefile.am b/libpcp/Makefile.am
index 4aad955..ab84a04 100644
--- a/libpcp/Makefile.am
+++ b/libpcp/Makefile.am
@@ -2,7 +2,7 @@ AM_CFLAGS = -I../libpcp -Wall -g
 
 lib_LTLIBRARIES      = libpcp1.la
 
-libpcp1_la_SOURCES = mac.c mem.c pad.c version.c warn.c \
+libpcp1_la_SOURCES = mac.c mem.c pad.c version.c \
 		    z85.c zmq_z85.c key.c randomart.c \
 		    vault.c fatal.c jenhash.c digital_crc32.c \
                     crypto.c
diff --git a/libpcp/Makefile.in b/libpcp/Makefile.in
index 71d8d3c..142bd83 100644
--- a/libpcp/Makefile.in
+++ b/libpcp/Makefile.in
@@ -97,7 +97,7 @@ am__uninstall_files_from_dir = { \
 am__installdirs = "$(DESTDIR)$(libdir)" "$(DESTDIR)$(includedir)"
 LTLIBRARIES = $(lib_LTLIBRARIES)
 libpcp1_la_LIBADD =
-am_libpcp1_la_OBJECTS = mac.lo mem.lo pad.lo version.lo warn.lo z85.lo \
+am_libpcp1_la_OBJECTS = mac.lo mem.lo pad.lo version.lo z85.lo \
 	zmq_z85.lo key.lo randomart.lo vault.lo fatal.lo jenhash.lo \
 	digital_crc32.lo crypto.lo
 libpcp1_la_OBJECTS = $(am_libpcp1_la_OBJECTS)
@@ -240,7 +240,7 @@ top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
 AM_CFLAGS = -I../libpcp -Wall -g
 lib_LTLIBRARIES = libpcp1.la
-libpcp1_la_SOURCES = mac.c mem.c pad.c version.c warn.c \
+libpcp1_la_SOURCES = mac.c mem.c pad.c version.c \
 		    z85.c zmq_z85.c key.c randomart.c \
 		    vault.c fatal.c jenhash.c digital_crc32.c \
                     crypto.c
@@ -350,7 +350,6 @@ distclean-compile:
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/randomart.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/vault.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/version.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/warn.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/z85.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/zmq_z85.Plo@am__quote@
 
diff --git a/libpcp/config.h.in b/libpcp/config.h.in
index 4ced40b..5696818 100644
--- a/libpcp/config.h.in
+++ b/libpcp/config.h.in
@@ -3,9 +3,18 @@
 /* Define to 1 if you have the `arc4random_buf' function. */
 #undef HAVE_ARC4RANDOM_BUF
 
+/* Define to 1 if you have the `be32toh' function. */
+#undef HAVE_BE32TOH
+
+/* Define to 1 if you have the `bzero' function. */
+#undef HAVE_BZERO
+
 /* Define to 1 if you have the <dlfcn.h> header file. */
 #undef HAVE_DLFCN_H
 
+/* Define to 1 if you have the <endian.h> header file. */
+#undef HAVE_ENDIAN_H
+
 /* Define to 1 if you have the <errno.h> header file. */
 #undef HAVE_ERRNO_H
 
@@ -36,6 +45,9 @@
 /* Define to 1 if you have the <getopt.h> header file. */
 #undef HAVE_GETOPT_H
 
+/* Define to 1 if you have the `htobe32' function. */
+#undef HAVE_HTOBE32
+
 /* Define to 1 if you have the <inttypes.h> header file. */
 #undef HAVE_INTTYPES_H
 
@@ -93,6 +105,9 @@
 /* Define to 1 if you have the `strtol' function. */
 #undef HAVE_STRTOL
 
+/* Define to 1 if you have the <sys/endian.h> header file. */
+#undef HAVE_SYS_ENDIAN_H
+
 /* Define to 1 if you have the <sys/stat.h> header file. */
 #undef HAVE_SYS_STAT_H
 
diff --git a/libpcp/key.h b/libpcp/key.h
index 9d345f6..c6fe146 100644
--- a/libpcp/key.h
+++ b/libpcp/key.h
@@ -9,9 +9,9 @@ extern "C" {
 #include <string.h>
 #include <stdio.h>
 #include <time.h>
-#include <sys/endian.h> // FIXME: put portable thing from scrypt here
 
 #include "defines.h"
+#include "platform.h"
 #include "mem.h"
 #include "mac.h"
 #include "randomart.h"
diff --git a/libpcp/mem.h b/libpcp/mem.h
index 08903d1..f657107 100644
--- a/libpcp/mem.h
+++ b/libpcp/mem.h
@@ -5,6 +5,7 @@
 #include <stdlib.h>
 #include <errno.h>
 #include <err.h>
+#include "platform.h"
 
 // simple malloc()  wrapper 
 // behaves like calloc(), which
diff --git a/libpcp/platform.h b/libpcp/platform.h
index 059fb7a..d813131 100644
--- a/libpcp/platform.h
+++ b/libpcp/platform.h
@@ -9,5 +9,71 @@
 #error Need either CONFIG_H_FILE or HAVE_CONFIG_H defined.
 #endif
 
+#ifdef HAVE_ENDIAN_H
+#include <endian.h>
+#else
+#ifdef HAVE_SYS_ENDIAN_H
+#include <sys/endian.h>
+#else
+#ifdef HAVE_BETOH32
+// openbsd, use aliases
+#define be32toh betoh32
+#define htobe32 hto32be
+#else
+
+#if __BYTE_ORDER == __BIG_ENDIAN
+// Copyright (c) 1999 Joseph Samuel Myers. bsd-games
+#define be32toh(x)	((void)0)
+#define htobe32(x)	((void)0)
+#else
+#define be32toh(x)	((u_int32_t)ntohl((u_int32_t)(x)))
+#define htobe32(x)	((u_int32_t)htonl((u_int32_t)(x)))
+#endif
+
+#endif // HAVE_BETOH32
+#endif // HAVE_SYS_ENDIAN_H
+#endif // HAVE_ENDIAN_H
+
+
+#ifndef HAVE_ARC4RANDOM_BUF
+// shitty OS. we've got to use other stuff
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <stdint.h>
+
+static inline FILE *__getranddev() {
+  FILE *R;
+  if((R = fopen("/dev/urandom", "rb")) == NULL) {
+    // not even this is here! what a shame
+    if((R = fopen("/dev/random", "rb")) == NULL) {
+      // not available or depleted. that's too bad
+      fprintf(stderr, "ERROR: /dev/urandom not available, /dev/random is depleted.\n");
+      fprintf(stderr, "That's horrible for you but a nightmare for me. I die. Bye.\n");
+      exit(2);
+    }
+  }
+  return R;
+}
+
+static inline u_int32_t arc4random() {
+  uint32_t x;
+  FILE *R = __getranddev();
+  fread(&x, sizeof(uint32_t), 1, R);
+  fclose(R);
+  return x;
+}
+
+static inline void arc4random_buf(void *buf, size_t nbytes) {
+  FILE *R = __getranddev();
+  fread(buf, nbytes, 1, R);
+  fclose(R);
+}
+
+
+#endif
+
+
 #endif /* !_HAVE_PCP_PLATFORM_H */
 
diff --git a/libpcp/sysendian.h b/libpcp/sysendian.h
deleted file mode 100644
index 138efb3..0000000
--- a/libpcp/sysendian.h
+++ /dev/null
@@ -1,140 +0,0 @@
-/*-
- * Copyright 2007-2009 Colin Percival
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * This file was originally written by Colin Percival as part of the Tarsnap
- * online backup system.
- */
-#ifndef _SYSENDIAN_H_
-#define _SYSENDIAN_H_
-
-#include "platform.h"
-
-/* If we don't have be64enc, the <sys/endian.h> we have isn't usable. */
-#if !HAVE_DECL_BE64ENC
-#undef HAVE_SYS_ENDIAN_H
-#endif
-
-#ifdef HAVE_SYS_ENDIAN_H
-
-#include <sys/endian.h>
-
-#else
-
-#include <stdint.h>
-
-static inline uint32_t
-be32dec(const void *pp)
-{
-	const uint8_t *p = (uint8_t const *)pp;
-
-	return ((uint32_t)(p[3]) + ((uint32_t)(p[2]) << 8) +
-	    ((uint32_t)(p[1]) << 16) + ((uint32_t)(p[0]) << 24));
-}
-
-static inline void
-be32enc(void *pp, uint32_t x)
-{
-	uint8_t * p = (uint8_t *)pp;
-
-	p[3] = x & 0xff;
-	p[2] = (x >> 8) & 0xff;
-	p[1] = (x >> 16) & 0xff;
-	p[0] = (x >> 24) & 0xff;
-}
-
-static inline uint64_t
-be64dec(const void *pp)
-{
-	const uint8_t *p = (uint8_t const *)pp;
-
-	return ((uint64_t)(p[7]) + ((uint64_t)(p[6]) << 8) +
-	    ((uint64_t)(p[5]) << 16) + ((uint64_t)(p[4]) << 24) +
-	    ((uint64_t)(p[3]) << 32) + ((uint64_t)(p[2]) << 40) +
-	    ((uint64_t)(p[1]) << 48) + ((uint64_t)(p[0]) << 56));
-}
-
-static inline void
-be64enc(void *pp, uint64_t x)
-{
-	uint8_t * p = (uint8_t *)pp;
-
-	p[7] = x & 0xff;
-	p[6] = (x >> 8) & 0xff;
-	p[5] = (x >> 16) & 0xff;
-	p[4] = (x >> 24) & 0xff;
-	p[3] = (x >> 32) & 0xff;
-	p[2] = (x >> 40) & 0xff;
-	p[1] = (x >> 48) & 0xff;
-	p[0] = (x >> 56) & 0xff;
-}
-
-static inline uint32_t
-le32dec(const void *pp)
-{
-	const uint8_t *p = (uint8_t const *)pp;
-
-	return ((uint32_t)(p[0]) + ((uint32_t)(p[1]) << 8) +
-	    ((uint32_t)(p[2]) << 16) + ((uint32_t)(p[3]) << 24));
-}
-
-static inline void
-le32enc(void *pp, uint32_t x)
-{
-	uint8_t * p = (uint8_t *)pp;
-
-	p[0] = x & 0xff;
-	p[1] = (x >> 8) & 0xff;
-	p[2] = (x >> 16) & 0xff;
-	p[3] = (x >> 24) & 0xff;
-}
-
-static inline uint64_t
-le64dec(const void *pp)
-{
-	const uint8_t *p = (uint8_t const *)pp;
-
-	return ((uint64_t)(p[0]) + ((uint64_t)(p[1]) << 8) +
-	    ((uint64_t)(p[2]) << 16) + ((uint64_t)(p[3]) << 24) +
-	    ((uint64_t)(p[4]) << 32) + ((uint64_t)(p[5]) << 40) +
-	    ((uint64_t)(p[6]) << 48) + ((uint64_t)(p[7]) << 56));
-}
-
-static inline void
-le64enc(void *pp, uint64_t x)
-{
-	uint8_t * p = (uint8_t *)pp;
-
-	p[0] = x & 0xff;
-	p[1] = (x >> 8) & 0xff;
-	p[2] = (x >> 16) & 0xff;
-	p[3] = (x >> 24) & 0xff;
-	p[4] = (x >> 32) & 0xff;
-	p[5] = (x >> 40) & 0xff;
-	p[6] = (x >> 48) & 0xff;
-	p[7] = (x >> 56) & 0xff;
-}
-#endif /* !HAVE_SYS_ENDIAN_H */
-
-#endif /* !_SYSENDIAN_H_ */
diff --git a/libpcp/vault.h b/libpcp/vault.h
index 86fc131..6ae6ce1 100644
--- a/libpcp/vault.h
+++ b/libpcp/vault.h
@@ -8,6 +8,7 @@
 #include <unistd.h>
 
 #include "defines.h"
+#include "platform.h"
 #include "mem.h"
 #include "key.h"
 #include "uthash.h"
diff --git a/libpcp/warn.c b/libpcp/warn.c
deleted file mode 100644
index b8487ed..0000000
--- a/libpcp/warn.c
+++ /dev/null
@@ -1,75 +0,0 @@
-/*-
- * Copyright 2009 Colin Percival
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * This file was originally written by Colin Percival as part of the Tarsnap
- * online backup system.
- */
-#include "platform.h"
-
-#ifdef HAVE_ERR_H
-/*
- * Everything is provided through err.h and the associated library, so we
- * don't need to do anything here.
- */
-#else
-#include <errno.h>
-#include <stdarg.h>
-#include <stdio.h>
-#include <string.h>
-
-#include "warn.h"
-
-const char * warn_progname = "(null)";
-
-void
-warn(const char * fmt, ...)
-{
-	va_list ap;
-
-	va_start(ap, fmt);
-	fprintf(stderr, "%s", warn_progname);
-	if (fmt != NULL) {
-		fprintf(stderr, ": ");
-		vfprintf(stderr, fmt, ap);
-	}
-	fprintf(stderr, ": %s\n", strerror(errno));
-	va_end(ap);
-}
-
-void
-warnx(const char * fmt, ...)
-{
-	va_list ap;
-
-	va_start(ap, fmt);
-	fprintf(stderr, "%s", warn_progname);
-	if (fmt != NULL) {
-		fprintf(stderr, ": ");
-		vfprintf(stderr, fmt, ap);
-	}
-	fprintf(stderr, "\n");
-	va_end(ap);
-}
-#endif
diff --git a/libpcp/warn.h b/libpcp/warn.h
deleted file mode 100644
index a3f28a3..0000000
--- a/libpcp/warn.h
+++ /dev/null
@@ -1,13 +0,0 @@
-#ifndef _HAVE_PCP_WARN_H
-#define _HAVE_PCP_WARN_H
-
-#ifdef HAVE_ERR_H
-#include <err.h>
-#else
-#define NEED_WARN_PROGNAME
-const char * warn_progname;
-void warn(const char *, ...);
-void warnx(const char *, ...);
-#endif
-
-#endif /* !_HAVE_WARN_H */
diff --git a/libtool b/libtool
index 166d87d..4e7d4e4 100755
--- a/libtool
+++ b/libtool
@@ -161,7 +161,7 @@ lock_old_archive_extraction=no
 LTCC="gcc"
 
 # LTCC compiler flags.
-LTCFLAGS="-g -O2 -I/usr/local/include"
+LTCFLAGS="-I/usr/local/include   -I/usr/local/include"
 
 # Take the output of nm and produce a listing of raw symbols and C names.
 global_symbol_pipe="sed -n -e 's/^.*[	 ]\\([ABCDGIRSTW][ABCDGIRSTW]*\\)[	 ][	 ]*\\([_A-Za-z][_A-Za-z0-9]*\\)\$/\\1 \\2 \\2/p' | sed '/ __gnu_lto/d'"
diff --git a/man/pcp1.1 b/man/pcp1.1
index 9d7d3bb..207d154 100644
--- a/man/pcp1.1
+++ b/man/pcp1.1
@@ -124,7 +124,7 @@
 .\" ========================================================================
 .\"
 .IX Title "PCP1 1"
-.TH PCP1 1 "2013-10-28" "PCP 0.0.1" "USER CONTRIBUTED DOCUMENTATION"
+.TH PCP1 1 "2013-10-29" "PCP 0.0.1" "USER CONTRIBUTED DOCUMENTATION"
 .\" For nroff, turn off justification.  Always turn off hyphenation; it makes
 .\" way too many mistakes in technical documents.
 .if n .ad l
diff --git a/src/keyprint.c b/src/keyprint.c
index 0b374c6..8b183d8 100644
--- a/src/keyprint.c
+++ b/src/keyprint.c
@@ -235,7 +235,7 @@ void pcppubkey_printshortinfo(pcp_pubkey_t *key) {
   int i;
   printf("        Key-ID: 0x%s\n", key->id);
   printf("         Owner: %s\n", key->owner);
-  char *r = pcpkey_get_art(key);
+  char *r = pcppubkey_get_art(key);
   printf(" Random Art ID: ");
   for (i=0; i<strlen(r); ++i) {
     if(r[i] == '\n') {
diff --git a/src/pcp.c b/src/pcp.c
index 4ace78a..e55d324 100644
--- a/src/pcp.c
+++ b/src/pcp.c
@@ -9,7 +9,7 @@ void usage() {
 }
 
 void version() {
-  fprintf(stderr, "pcp version %d.%d.%d\n",
+  fprintf(stderr, "pcp version %d.%d.%d, use --help to learn how to use.\n",
 	  PCP_VERSION_MAJOR, PCP_VERSION_MINOR, PCP_VERSION_PATCH);
   exit(0);
 }
@@ -168,6 +168,11 @@ int main (int argc, char **argv)  {
   argv += optind;
 
 
+  if(mode == 0) {
+    version();
+    return 1;
+  }
+
   if(usevault == 1) {
     pcp_inithashes();
     vault = pcpvault_init(vaultfile);
@@ -327,7 +332,7 @@ int main (int argc, char **argv)  {
 
     default:
       // mode params mixed
-      fatal("Sorry, invalid combinatin of commandline parameters!\n");
+      fatal("Sorry, invalid combination of commandline parameters!\n");
       break;  
     }
   }
diff --git a/src/pcp.h b/src/pcp.h
index a0de757..f5373d6 100644
--- a/src/pcp.h
+++ b/src/pcp.h
@@ -1,7 +1,9 @@
 #ifndef _HAVE_PCP_H
 #define _HAVE_PCP_H
 
+#ifndef _BSD_SOURCE
 #define _BSD_SOURCE
+#endif
 
 #include <unistd.h>
 #include <stdio.h>
diff --git a/src/z85util.h b/src/z85util.h
index e729866..1aa59db 100644
--- a/src/z85util.h
+++ b/src/z85util.h
@@ -1,7 +1,9 @@
 #ifndef _HAVE_PCP_Z85
 #define _HAVE_PCP_Z85
 
+#ifndef _BSD_SOURCE
 #define _BSD_SOURCE
+#endif
 
 #include <unistd.h>
 #include <stdio.h>
diff --git a/tests/unittests.cfg b/tests/unittests.cfg
index 4fdcf78..9d5e3ae 100644
--- a/tests/unittests.cfg
+++ b/tests/unittests.cfg
@@ -130,7 +130,7 @@ md5msg   = 66b8c4ca9e5d2a7e3c0559c3cdea3d50
 # negative tests, check for error handling
 <test check-if-catch-conflicting-params>
   cmd = $pcp -S -P
-  expect = /invalid combinatin of commandline parameters/
+  expect = /invalid combination of commandline parameters/
 </test>
 
 <test check-infile-error>