configure: Ensure the version always has 3 parts in PSPP_CHECK_XGETTEXT.

Makes configure succeed on Debian for me, where "xgettext --version" prints
0.21 as the version.

diff --git a/acinclude.m4 b/acinclude.m4
index 750a87efb19495d35d9cfa454c4cef4acee13b10..c657b46e1f8fb8c5a3842de36b3df1313536aa0d 100644 (file)
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -362,6 +362,10 @@ AC_DEFUN([PSPP_CHECK_XGETTEXT],
    [pspp_cv_progrecent_xgettext],
    [pspp_cv_progrecent_xgettext=maybe
     ver=`$ac_cv_prog_XGETTEXT --version | sed -n -e '/xgettext/s/[[^0-9]]*\([[0-9\.]][[0-9\.]]*\).*/\1/p'`
+    case $ver in # (
+      *.*.*) ;; # (
+      *.*) ver="$ver.0" ;;
+    esac
     majmin=`echo $ver | sed -e 's/\.[[0-9]]*$//'`
     major=`echo $majmin | sed -e 's/\.[[0-9]]*$//'`
     minor=`echo $majmin | sed -e 's/^[[0-9]]*\.//'`