po: respect LINGUAS build setting

It is common gettext practice to limit the translations a particular
package will include by setting the LINGUAS environment variable.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>

diff --git a/po/Makefile b/po/Makefile
index edf92ad49c65bd4c8b2d1b388554011a68d9c22f..a5250b349d7db72e47e03543184c9725a76365e7 100644 (file)
--- a/po/Makefile
+++ b/po/Makefile
@@ -6,7 +6,10 @@ TOPDIR = ..
 include $(TOPDIR)/include/builddefs
 
 POTHEAD = $(PKG_NAME).pot
-LINGUAS = de pl
+# If the user has requested a specific set of translations, only build those.
+SUPPORTED_LINGUAS = $(patsubst %.po,%,$(wildcard *.po))
+LINGUAS ?= $(SUPPORTED_LINGUAS)
+LINGUAS := $(filter $(SUPPORTED_LINGUAS),$(LINGUAS))
 LSRCFILES = $(LINGUAS:%=%.po)
 LDIRT = $(POTHEAD)