+ACLOCAL="aclocal -I m4 -I config"
+AUTOHEADER="autoheader"
+AUTOMAKE="automake --add-missing --copy --foreign"
+AUTOCONF="autoconf"
+
+# Discover what version of automake we are using.
+automake_version=`$AUTOMAKE --version 2>/dev/null | head -n 1`
+
+test "$automake_version" != "" && {
+ echo "Using $automake_version"
+} || {
+ echo "LyX requires automake >= 1.5"
+ exit 1
+}
+
+case $automake_version in
+ *' '1.[5-9]*|*' '1.10*)
+ ;;
+ *)
+
+ echo "This automake version is not supported by LyX."
+ echo "LyX only supports automake 1.5 to 1.10."
+ exit 1
+ ;;
+esac
+
+# Discover what version of autoconf we are using.
+autoversion=`$AUTOCONF --version 2>/dev/null | head -n 1`
+
+test "$autoversion" != "" && {
+ echo "Using $autoversion"
+} || {
+ echo "LyX requires autoconf >= 2.52"
+ exit 1
+}
+
+case $autoversion in
+ *' '2.5[2-9]|*' '2.60[ab]|*' '2.6[0-2])
+ ;;
+ *)
+ echo "This autoconf version is not supported by LyX."
+ echo "LyX only supports autoconf 2.52-2.61."
+ exit 1
+ ;;
+esac
+
+# Delete old cache directories.
+# automake will stop if their contents was created by an earlier version.
+rm -rf autom4te.cache
+
+# Update the gettext files
+echo "Copying gettext code... "
+if ( autopoint --version ) < /dev/null > /dev/null 2>&1; then
+ autopoint --force >/dev/null
+else
+ echo "autopoint not found -- aborting"
+ exit 1
+fi