[gspell] build: use GSPELL_API_VERSION in po/

[Sébastien Wilmet <swilmet src gnome org>]

commit a9b3e03686ea26151e7577270a7ea16a46dd2a5b
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Sun Mar 13 09:34:57 2016 +0100

    build: use GSPELL_API_VERSION in po/

 Makefile.am                  |   10 ++++++++--
 configure.ac                 |    1 +
 po/{Makevars => Makevars.in} |    2 +-
 3 files changed, 10 insertions(+), 3 deletions(-)
---
diff --git a/Makefile.am b/Makefile.am
index fc58994..ef04bd2 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,8 +1,14 @@
 SUBDIRS = gspell po docs tests testsuite
 
 pkgconfig_DATA = gspell-$(GSPELL_API_VERSION).pc
-DISTCLEANFILES = $(pkgconfig_DATA)
-EXTRA_DIST = gspell.pc.in
+
+EXTRA_DIST = \
+       gspell.pc.in \
+       po/Makevars.in
+
+DISTCLEANFILES = \
+       $(pkgconfig_DATA) \
+       po/Makevars
 
 MAINTAINERCLEANFILES = \
        ABOUT-NLS \
diff --git a/configure.ac b/configure.ac
index e7f980d..5d9db07 100644
--- a/configure.ac
+++ b/configure.ac
@@ -209,6 +209,7 @@ AC_CONFIG_FILES([
        gspell/Makefile
        gspell/resources/Makefile
        po/Makefile.in
+       po/Makevars
        tests/Makefile
        testsuite/Makefile
 ])
diff --git a/po/Makevars b/po/Makevars.in
similarity index 98%
rename from po/Makevars
rename to po/Makevars.in
index c8feb08..3469d92 100644
--- a/po/Makevars
+++ b/po/Makevars.in
@@ -1,7 +1,7 @@
 # Makefile variables for PO directory in any package using GNU gettext.
 
 # Usually the message domain is the same as the package name.
-DOMAIN = gspell-1
+DOMAIN = gspell- GSPELL_API_VERSION@
 
 # These two variables depend on the location of this directory.
 subdir = po