diff --git a/Makefile.in b/Makefile.in
index 22a17b3..ac18c85 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -427,7 +427,7 @@ INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
 LIBOBJS = @LIBOBJS@
 LIBS = @LIBS@
 LTLIBOBJS = @LTLIBOBJS@
-M4 = @M4@
+M4 = /usr/bin/env m4
 M4_DEBUGFILE = @M4_DEBUGFILE@
 M4_GNU = @M4_GNU@
 MAKEINFO = @MAKEINFO@
diff --git a/bin/autoconf.as b/bin/autoconf.as
index 1407739..50ad1de 100644
--- a/bin/autoconf.as
+++ b/bin/autoconf.as
@@ -89,8 +89,17 @@ exit_missing_arg='
 # restore font-lock: '
 
 # Variables.
-: ${AUTOM4TE='@bindir@/@autom4te-name@'}
-: ${trailer_m4='@pkgdatadir@/autoconf/trailer.m4'}
+# Locate autom4ate and support files relative to current script inside package
+SCRIPT_DIR=$(dirname "$as_myself")
+RES_DIR="$SCRIPT_DIR/../res/autoconf"
+if [[ ! -d "$RES_DIR" ]]
+then
+    echo "Autoconf conan package error, unable to locate resource directory at $RES_DIR\n"
+    exit 1
+fi
+
+: ${AUTOM4TE="$SCRIPT_DIR/autom4te"}
+: ${trailer_m4="$RES_DIR/autoconf/trailer.m4"}
 autom4te_options=
 outfile=
 verbose=false
diff --git a/bin/autoheader.in b/bin/autoheader.in
index 1cbf509..9bdd1cf 100644
--- a/bin/autoheader.in
+++ b/bin/autoheader.in
@@ -29,10 +29,13 @@ eval 'case $# in 0) exec @PERL@ -S "$0";; *) exec @PERL@ -S "$0" "$@";; esac'
 use 5.006;
 use strict;
 use warnings FATAL => 'all';
+use Cwd 'abs_path';
+use File::Basename;
 
 BEGIN
 {
-  my $pkgdatadir = $ENV{'autom4te_perllibdir'} || '@pkgdatadir@';
+  my $scriptpath = abs_path(dirname(__FILE__));
+  my $pkgdatadir = $ENV{'autom4te_perllibdir'} || "$scriptpath/../res/autoconf";
   unshift @INC, "$pkgdatadir";
 
   # Override SHELL.  On DJGPP SHELL may not be set to a shell
@@ -54,7 +57,8 @@ use Autom4te::XFile;
 our ($config_h, %symbol, %verbatim);
 
 # Lib files.
-my $autom4te = $ENV{'AUTOM4TE'} || '@bindir@/@autom4te-name@';
+my $scriptpath = abs_path(dirname(__FILE__));
+my $autom4te = $ENV{'AUTOM4TE'} || "$scriptpath/@autom4te-name@";
 my $config_h_in;
 my @prepend_include;
 my @include;
diff --git a/bin/autom4te.in b/bin/autom4te.in
index 7ebe419..42f09b4 100644
--- a/bin/autom4te.in
+++ b/bin/autom4te.in
@@ -25,10 +25,13 @@ eval 'case $# in 0) exec @PERL@ -S "$0";; *) exec @PERL@ -S "$0" "$@";; esac'
 use 5.006;
 use strict;
 use warnings FATAL => 'all';
+use Cwd 'abs_path';
+use File::Basename;
 
 BEGIN
 {
-  my $pkgdatadir = $ENV{'autom4te_perllibdir'} || '@pkgdatadir@';
+  my $scriptpath = abs_path(dirname(__FILE__));
+  my $pkgdatadir = $ENV{'autom4te_perllibdir'} || "$scriptpath/../res/autoconf";
   unshift @INC, $pkgdatadir;
 
   # Override SHELL.  On DJGPP SHELL may not be set to a shell
@@ -48,7 +51,8 @@ use Autom4te::General;
 use Autom4te::XFile;
 
 # Data directory.
-my $pkgdatadir = $ENV{'AC_MACRODIR'} || '@pkgdatadir@';
+my $scriptpath = abs_path(dirname(__FILE__));
+my $pkgdatadir = $ENV{'AC_MACRODIR'} || "$scriptpath/../res/autoconf";
 
 # $LANGUAGE{LANGUAGE} -- Automatic options for LANGUAGE.
 my %language;
@@ -91,7 +95,7 @@ my @include;
 my $freeze = 0;
 
 # $M4.
-my $m4 = $ENV{"M4"} || '@M4@';
+my $m4 = $ENV{"M4"} || '/usr/bin/env m4';
 # Some non-GNU m4's don't reject the --help option, so give them /dev/null.
 fatal "need GNU m4 1.4 or later: $m4"
   if system "$m4 --help </dev/null 2>&1 | grep reload-state >/dev/null";
@@ -271,6 +275,12 @@ sub load_configuration ($)
 	if /^\s*(\#.*)?$/;
 
       my @words = shellwords ($_);
+      # not using: s#AUTOCONF_M4DIR#$pkgdatadir#r to support perl <5.14
+      my @words_clone = @words;
+      @words = ();
+      foreach ( @words_clone ) {
+        push(@words, do { (my $tmp = $_) =~ s#AUTOCONF_M4DIR#$pkgdatadir#; $tmp });
+      }
       my $type = shift @words;
       if ($type eq 'begin-language:')
 	{
diff --git a/bin/autoreconf.in b/bin/autoreconf.in
index ec391a6..2992b16 100644
--- a/bin/autoreconf.in
+++ b/bin/autoreconf.in
@@ -28,11 +28,14 @@ eval 'case $# in 0) exec @PERL@ -S "$0";; *) exec @PERL@ -S "$0" "$@";; esac'
 use 5.006;
 use strict;
 use warnings FATAL => 'all';
+use Cwd 'abs_path';
+use File::Basename;
 
 my $buildauxdir;
 BEGIN
 {
-  my $pkgdatadir = $ENV{'autom4te_perllibdir'} || '@pkgdatadir@';
+  my $scriptpath = abs_path(dirname(__FILE__));
+  my $pkgdatadir = $ENV{'autom4te_perllibdir'} || "$scriptpath/../res/autoconf";
   unshift @INC, $pkgdatadir;
 
   $buildauxdir = $ENV{'autom4te_buildauxdir'} || $pkgdatadir . '/build-aux';
@@ -117,9 +120,10 @@ Written by David J. MacKenzie and Akim Demaille.
 ";
 
 # Lib files.
-my $autoconf    = $ENV{'AUTOCONF'}    || '@bindir@/@autoconf-name@';
-my $autoheader  = $ENV{'AUTOHEADER'}  || '@bindir@/@autoheader-name@';
-my $autom4te    = $ENV{'AUTOM4TE'}    || '@bindir@/@autom4te-name@';
+my $scriptpath = abs_path(dirname(__FILE__));
+my $autoconf    = $ENV{'AUTOCONF'}    || "$scriptpath/@autoconf-name@";
+my $autoheader  = $ENV{'AUTOHEADER'}  || "$scriptpath/@autoheader-name@";
+my $autom4te    = $ENV{'AUTOM4TE'}    || "$scriptpath/@autom4te-name@";
 my $automake    = $ENV{'AUTOMAKE'}    || 'automake';
 my $aclocal     = $ENV{'ACLOCAL'}     || 'aclocal';
 my $libtoolize  = $ENV{'LIBTOOLIZE'}  || 'libtoolize';
diff --git a/bin/autoscan.in b/bin/autoscan.in
index b89fd1a..6113d62 100644
--- a/bin/autoscan.in
+++ b/bin/autoscan.in
@@ -27,10 +27,13 @@ eval 'case $# in 0) exec @PERL@ -S "$0";; *) exec @PERL@ -S "$0" "$@";; esac'
 use 5.006;
 use strict;
 use warnings FATAL => 'all';
+use Cwd 'abs_path';
+use File::Basename;
 
 BEGIN
 {
-  my $pkgdatadir = $ENV{'autom4te_perllibdir'} || '@pkgdatadir@';
+  my $scriptpath = abs_path(dirname(__FILE__));
+  my $pkgdatadir = $ENV{'autom4te_perllibdir'} || "$scriptpath/../res/autoconf";
   unshift @INC, $pkgdatadir;
 
   # Override SHELL.  On DJGPP SHELL may not be set to a shell
@@ -95,7 +98,8 @@ my %needed_macros =
 my $log;
 
 # Autoconf and lib files.
-my $autom4te = $ENV{'AUTOM4TE'} || '@bindir@/@autom4te-name@';
+my $scriptpath = abs_path(dirname(__FILE__));
+my $autom4te = $ENV{'AUTOM4TE'} || "$scriptpath/@autom4te-name@";
 my $autoconf = "$autom4te --language=autoconf";
 my @prepend_include;
 my @include = ('@pkgdatadir@');
diff --git a/bin/autoupdate.in b/bin/autoupdate.in
index c86203a..844dd20 100644
--- a/bin/autoupdate.in
+++ b/bin/autoupdate.in
@@ -28,10 +28,13 @@ eval 'case $# in 0) exec @PERL@ -S "$0";; *) exec @PERL@ -S "$0" "$@";; esac'
 use 5.006;
 use strict;
 use warnings FATAL => 'all';
+use Cwd 'abs_path';
+use File::Basename;
 
 BEGIN
 {
-  my $pkgdatadir = $ENV{'autom4te_perllibdir'} || '@pkgdatadir@';
+  my $scriptpath = abs_path(dirname(__FILE__));
+  my $pkgdatadir = $ENV{'autom4te_perllibdir'} || "$scriptpath/../res/autoconf";
   unshift @INC, $pkgdatadir;
 
   # Override SHELL.  On DJGPP SHELL may not be set to a shell
@@ -51,14 +54,15 @@ use Autom4te::General;
 use Autom4te::XFile;
 
 # Lib files.
-my $autom4te = $ENV{'AUTOM4TE'} || '@bindir@/@autom4te-name@';
+my $scriptpath = abs_path(dirname(__FILE__));
+my $autom4te = $ENV{'AUTOM4TE'} || "$scriptpath/@autom4te-name@";
 my $autoconf = "$autom4te --language=autoconf";
 # We need to find m4sugar.
 my @prepend_include;
 my @include = ('@pkgdatadir@');
 my $force = 0;
 # m4.
-my $m4 = $ENV{"M4"} || '@M4@';
+my $m4 = $ENV{"M4"} || '/usr/bin/env m4';
 
 
 # $HELP
diff --git a/bin/ifnames.in b/bin/ifnames.in
index b04947f..75d014e 100644
--- a/bin/ifnames.in
+++ b/bin/ifnames.in
@@ -32,10 +32,13 @@ eval 'case $# in 0) exec @PERL@ -S "$0";; *) exec @PERL@ -S "$0" "$@";; esac'
 use 5.006;
 use strict;
 use warnings FATAL => 'all';
+use Cwd 'abs_path';
+use File::Basename;
 
 BEGIN
 {
-  my $pkgdatadir = $ENV{'autom4te_perllibdir'} || '@pkgdatadir@';
+  my $scriptpath = abs_path(dirname(__FILE__));
+  my $pkgdatadir = $ENV{'autom4te_perllibdir'} || "$scriptpath/../res/autoconf";
   unshift @INC, $pkgdatadir;
 
   # Override SHELL.  On DJGPP SHELL may not be set to a shell
diff --git a/lib/autom4te.in b/lib/autom4te.in
index 9e86c9f..bf3ae42 100644
--- a/lib/autom4te.in
+++ b/lib/autom4te.in
@@ -115,7 +115,7 @@ end-language: "Autoreconf-preselections"
 # This intermediate language is used by aclocal to build aclocal.m4.
 
 begin-language: "Autoconf-without-aclocal-m4"
-args: --prepend-include '@pkgdatadir@'
+args: --prepend-include 'AUTOCONF_M4DIR'
 args: --cache=autom4te.cache
 args: autoconf/autoconf.m4f
 args: acsite.m4?
@@ -142,7 +142,7 @@ end-language: "Autoconf"
 ## -------- ##
 
 begin-language: "Autotest"
-args: --prepend-include '@pkgdatadir@'
+args: --prepend-include 'AUTOCONF_M4DIR'
 args: autotest/autotest.m4f
 args: package.m4?
 args: local.at?
@@ -156,7 +156,7 @@ end-language: "Autotest"
 ## ---- ##
 
 begin-language: "M4sh"
-args: --prepend-include '@pkgdatadir@'
+args: --prepend-include 'AUTOCONF_M4DIR'
 args: m4sugar/m4sh.m4f
 args: --mode 777
 args: --language M4sugar
@@ -168,6 +168,6 @@ end-language: "M4sh"
 ## ------- ##
 
 begin-language: "M4sugar"
-args: --prepend-include '@pkgdatadir@'
+args: --prepend-include 'AUTOCONF_M4DIR'
 args: m4sugar/m4sugar.m4f
 end-language: "M4sugar"