--- scripts/build-lm-qsub.sh.orig	2013-04-06 00:31:56.000000000 +0900
+++ scripts/build-lm-qsub.sh	2013-05-18 14:01:30.000000000 +0900
@@ -36,13 +36,12 @@
 fi
 
 if [ ! $IRSTLM ]; then
-   echo "Set IRSTLM environment variable with path to irstlm"
-   exit 2;
+   IRSTLM=@libexec_dir@
 fi
 
 #paths to scripts and commands in irstlm
-scr=$IRSTLM/bin
-bin=$IRSTLM/bin
+scr=$IRSTLM
+bin=$IRSTLM
 gzip=`which gzip 2> /dev/null`;
 gunzip=`which gunzip 2> /dev/null`;
 
--- scripts/build-lm.sh.orig	2012-10-02 16:25:08.000000000 +0900
+++ scripts/build-lm.sh	2013-05-18 14:01:30.000000000 +0900
@@ -30,13 +30,12 @@
 }
 
 if [ ! $IRSTLM ]; then
-   echo "Set IRSTLM environment variable with path to irstlm"
-   exit 2
+   IRSTLM=@libexec_dir@
 fi
 
 #paths to scripts and commands in irstlm
-scr=$IRSTLM/bin
-bin=$IRSTLM/bin
+scr=$IRSTLM
+bin=$IRSTLM
 gzip=`which gzip 2> /dev/null`;
 gunzip=`which gunzip 2> /dev/null`;
 
--- scripts/lm-stat.pl.orig	2012-10-02 16:25:08.000000000 +0900
+++ scripts/lm-stat.pl	2013-05-18 14:01:30.000000000 +0900
@@ -46,14 +46,7 @@
   exit(1);
 }
 
-if (!$ENV{IRSTLM}){
-  print "Set environment variable IRSTLM with path to the irstlm directory\n";
-  exit(1);
-}
-
-
-
-my $clm="$ENV{IRSTLM}/bin/compile-lm";
+my $clm="@libexec_dir@/compile-lm";
 
 open (OUT,"$clm $lm --eval $txt --debug 1|");
 while (<OUT>){
--- scripts/split-ngt.sh.orig	2012-10-02 16:25:08.000000000 +0900
+++ scripts/split-ngt.sh	2013-05-18 14:01:30.000000000 +0900
@@ -38,9 +38,9 @@
 #containing ngram statistics (of <order> length) in Google format
 #These files are a partition of the whole set of ngrams
 
-basedir=$IRSTLM
-bindir=$basedir/bin
-scriptdir=$basedir/scripts
+basedir=@libexec_dir@
+bindir=$basedir
+scriptdir=$basedir
 
 unset par
 while [ $# -gt 0 ]
--- scripts/Makefile.am.orig	2012-10-12 06:19:19.000000000 +0900
+++ scripts/Makefile.am	2013-05-18 20:54:50.000000000 +0900
@@ -1,4 +1,4 @@
-wrapperbindir = @prefix@/bin
+wrapperbindir = @libexecdir@/irstlm
 
 dist_wrapperbin_SCRIPTS = \
 add-start-end.sh build-lm-qsub.sh build-lm.sh rm-start-end.sh split-ngt.sh mdtsel.sh \