+
+vcheck (){
+ perl <<PERL
+@t = split /\./, "$1";
+@v = map { int \$_ } split /\./, (split /\s+/, \`$2\`)[3];
+print "$2 = ", (join ".",@v), " (expected $1)\n";
+\$v = \$t[0]*1000000+\$t[1]*1000+\$t[2] <= \$v[0]*1000000+\$v[1]*1000+\$v[2];
+exit \$v
+PERL
+}
+
+
+if vcheck 1.5 "libtool --version"
+then
+ echo "get a copy of GNU libtool >= 1.5"
+ exit 1
+fi
+
+#if vcheck 1.8.2 "automake --version"
+#then
+# if vcheck 1.8.2 "automake-1.8 --version"
+# then
+# echo "get a copy of GNU automake >= 1.8.2"
+# exit 1
+# else
+# automake=automake-1.8
+# aclocal="aclocal-1.8 --acdir=/usr/share/aclocal-1.8 -I /usr/share/aclocal/"
+# fi
+#else
+# automake="automake"
+# aclocal="aclocal -I /usr/pack/libtool-1.5-to/share/aclocal"
+#fi
+
+if vcheck 1.7.9 "automake --version"
+then
+ if vcheck 1.7.9 "automake-1.7 --version"
+ then
+ echo "get a copy of GNU automake >= 1.79"
+ exit 1
+ else
+ automake=automake-1.7
+ aclocal="aclocal-1.7 --acdir=/usr/share/aclocal-1.7 -I /usr/share/aclocal/"
+ fi
+else
+ automake="automake"
+ aclocal="aclocal -I /usr/pack/libtool-1.5-to/share/aclocal"
+fi
+
+if vcheck 2.58 "autoconf --version"
+then
+ echo "get a copy of GNU autoconf >= 2.54"
+ exit 1
+fi
+