[yelp-tools] yelp.m4: Add no-lc-dist option

[Shaun McCance <shaunm src gnome org>]

commit 0929f449089044bbc05af54668f1c4c254b9a15c
Author: Christian Persch <chpe gnome org>
Date:   Sun Nov 24 23:20:53 2013 +0100

    yelp.m4: Add no-lc-dist option
    
    Add no-lc-dist option to disable disting the generated lc files. Disabled by
    default for backwards compatibility.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=672919

 tools/yelp.m4 |    8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)
---
diff --git a/tools/yelp.m4 b/tools/yelp.m4
index af56c45..cfb07e1 100644
--- a/tools/yelp.m4
+++ b/tools/yelp.m4
@@ -6,15 +6,19 @@ m4_pattern_allow([AM_V_GEN])
 m4_pattern_allow([AM_DEFAULT_VERBOSITY])
 
 YELP_LC_MEDIA_LINKS=true
+YELP_LC_DIST=true
 
 for yelpopt in [$1]; do
   case $yelpopt in
     lc-media-links)    YELP_LC_MEDIA_LINKS=true ;;
     no-lc-media-links) YELP_LC_MEDIA_LINKS= ;;
+    lc-dist)           YELP_LC_DIST=true ;;
+    no-lc-dist)        YELP_LC_DIST= ;;
     *) AC_MSG_ERROR([Unrecognized [YELP_HELP_INIT] option $yelpopt"]) ;;
   esac
 done;
 AC_SUBST([YELP_LC_MEDIA_LINKS])
+AC_SUBST([YELP_LC_DIST])
 
 AC_ARG_WITH([help-dir],
             AC_HELP_STRING([--with-help-dir=DIR],
@@ -110,13 +114,13 @@ clean-help:
 
 EXTRA_DIST ?=
 EXTRA_DIST += $(_HELP_C_EXTRA) $(_HELP_C_MEDIA)
-EXTRA_DIST += $(foreach lc,$(HELP_LINGUAS),$(lc)/$(lc).stamp)
+EXTRA_DIST += $(if $(YELP_LC_DIST),$(foreach lc,$(HELP_LINGUAS),$(lc)/$(lc).stamp))
 EXTRA_DIST += $(foreach lc,$(HELP_LINGUAS),$(lc)/$(lc).po)
 EXTRA_DIST += $(foreach f,$(HELP_MEDIA),$(foreach lc,$(HELP_LINGUAS),$(wildcard $(lc)/$(f))))
 
 distdir: distdir-help-files
 distdir-help-files:
-       @for lc in C $(HELP_LINGUAS); do \
+       @for lc in C $(if $(YELP_LC_DIST),$(HELP_LINGUAS)) ; do \
          $(MKDIR_P) "$(distdir)/$$lc"; \
          for file in $(HELP_FILES); do \
            if test -f "$$lc/$$file"; then d=./; else d=$(srcdir)/; fi; \