[gnome-builder] add yelp.m4

[Christian Hergert <chergert src gnome org>]

commit 192786f068535395baeab52df69ed94b5a226caa
Author: Christian Hergert <christian hergert me>
Date:   Mon Feb 8 08:07:42 2016 -0800

    add yelp.m4

 build/autotools/yelp.m4 |  213 +++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 213 insertions(+), 0 deletions(-)
---
diff --git a/build/autotools/yelp.m4 b/build/autotools/yelp.m4
new file mode 100644
index 0000000..5db847f
--- /dev/null
+++ b/build/autotools/yelp.m4
@@ -0,0 +1,213 @@
+AC_DEFUN([YELP_HELP_INIT],
+[
+AC_REQUIRE([AC_PROG_LN_S])
+m4_pattern_allow([AM_V_at])
+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 $yelpopt"]) ;;
+  esac
+done;
+AC_SUBST([YELP_LC_MEDIA_LINKS])
+AC_SUBST([YELP_LC_DIST])
+
+AC_ARG_WITH([help-dir],
+            AS_HELP_STRING([--with-help-dir=DIR],
+                           [path where help files are installed]),,
+            [with_help_dir='${datadir}/help'])
+HELP_DIR="$with_help_dir"
+AC_SUBST(HELP_DIR)
+
+AC_ARG_VAR([ITSTOOL], [Path to the `itstool` command])
+AC_CHECK_PROG([ITSTOOL], [itstool], [itstool])
+if test x"$ITSTOOL" = x; then
+  AC_MSG_ERROR([itstool not found])
+fi
+
+AC_ARG_VAR([XMLLINT], [Path to the `xmllint` command])
+AC_CHECK_PROG([XMLLINT], [xmllint], [xmllint])
+if test x"$XMLLINT" = x; then
+  AC_MSG_ERROR([xmllint not found])
+fi
+
+YELP_HELP_RULES='
+HELP_ID ?=
+HELP_POT ?=
+HELP_FILES ?=
+HELP_EXTRA ?=
+HELP_MEDIA ?=
+HELP_LINGUAS ?=
+
+_HELP_LINGUAS = $(if $(filter environment,$(origin LINGUAS)),$(filter 
$(LINGUAS),$(HELP_LINGUAS)),$(HELP_LINGUAS))
+_HELP_POTFILE = $(if $(HELP_POT),$(HELP_POT),$(if $(HELP_ID),$(HELP_ID).pot))
+_HELP_POFILES = $(if $(HELP_ID),$(foreach lc,$(_HELP_LINGUAS),$(lc)/$(lc).po))
+_HELP_MOFILES = $(patsubst %.po,%.mo,$(_HELP_POFILES))
+_HELP_C_FILES = $(foreach f,$(HELP_FILES),C/$(f))
+_HELP_C_EXTRA = $(foreach f,$(HELP_EXTRA),C/$(f))
+_HELP_C_MEDIA = $(foreach f,$(HELP_MEDIA),C/$(f))
+_HELP_LC_FILES = $(foreach lc,$(_HELP_LINGUAS),$(foreach f,$(HELP_FILES),$(lc)/$(f)))
+_HELP_LC_STAMPS = $(foreach lc,$(_HELP_LINGUAS),$(lc)/$(lc).stamp)
+
+_HELP_DEFAULT_V = $(if $(AM_DEFAULT_VERBOSITY),$(AM_DEFAULT_VERBOSITY),1)
+_HELP_V = $(if $(V),$(V),$(_HELP_DEFAULT_V))
+_HELP_LC_VERBOSE = $(_HELP_LC_VERBOSE_$(_HELP_V))
+_HELP_LC_VERBOSE_ = $(_HELP_LC_VERBOSE_$(_HELP_DEFAULT_V))
+_HELP_LC_VERBOSE_0 = @echo "  GEN    "$(dir [$]@);
+
+all: $(_HELP_C_FILES) $(_HELP_C_EXTRA) $(_HELP_C_MEDIA) $(_HELP_LC_FILES) $(_HELP_POFILES)
+
+.PHONY: pot
+pot: $(_HELP_POTFILE)
+$(_HELP_POTFILE): $(_HELP_C_FILES) $(_HELP_C_EXTRA) $(_HELP_C_MEDIA)
+       $(AM_V_GEN)if test -d "C"; then d=; else d="$(srcdir)/"; fi; \
+       $(ITSTOOL) -o "[$]@" $(foreach f,$(_HELP_C_FILES),"$${d}$(f)")
+
+.PHONY: repo
+repo: $(_HELP_POTFILE)
+       $(AM_V_at)for po in $(_HELP_POFILES); do \
+         if test "x[$](_HELP_V)" = "x0"; then echo "  GEN    $${po}"; fi; \
+         msgmerge -q -o "$${po}" "$${po}" "$(_HELP_POTFILE)"; \
+       done
+
+$(_HELP_POFILES):
+       $(AM_V_at)if ! test -d "$(dir [$]@)"; then mkdir "$(dir [$]@)"; fi
+       $(AM_V_at)if test ! -f "[$]@" -a -f "$(srcdir)/[$]@"; then cp "$(srcdir)/[$]@" "[$]@"; fi
+       $(AM_V_GEN)if ! test -f "[$]@"; then \
+         (cd "$(dir [$]@)" && \
+           $(ITSTOOL) -o "$(notdir [$]@).tmp" $(_HELP_C_FILES) && \
+           mv "$(notdir [$]@).tmp" "$(notdir [$]@)"); \
+       else \
+         (cd "$(dir [$]@)" && \
+           $(ITSTOOL) -o "$(notdir [$]@).tmp" $(_HELP_C_FILES) && \
+           msgmerge -o "$(notdir [$]@)" "$(notdir [$]@)" "$(notdir [$]@).tmp" && \
+           rm "$(notdir [$]@).tmp"); \
+       fi
+
+$(_HELP_MOFILES): %.mo: %.po
+       $(AM_V_at)if ! test -d "$(dir [$]@)"; then mkdir "$(dir [$]@)"; fi
+       $(AM_V_GEN)msgfmt -o "[$]@" "$<"
+
+$(_HELP_LC_FILES): $(_HELP_LINGUAS)
+$(_HELP_LINGUAS): $(_HELP_LC_STAMPS)
+$(_HELP_LC_STAMPS): %.stamp: %.mo
+$(_HELP_LC_STAMPS): $(_HELP_C_FILES) $(_HELP_C_EXTRA)
+       $(AM_V_at)if ! test -d "$(dir [$]@)"; then mkdir "$(dir [$]@)"; fi
+       $(_HELP_LC_VERBOSE)if test -d "C"; then d="../"; else d="$(abs_srcdir)/"; fi; \
+       mo="$(dir [$]@)$(patsubst %/$(notdir [$]@),%,[$]@).mo"; \
+       if test -f "$${mo}"; then mo="../$${mo}"; else mo="$(abs_srcdir)/$${mo}"; fi; \
+       (cd "$(dir [$]@)" && $(ITSTOOL) -m "$${mo}" $(foreach f,$(_HELP_C_FILES),$${d}/$(f))) && \
+       touch "[$]@"
+
+.PHONY: clean-help
+mostlyclean-am: $(if $(HELP_ID),clean-help)
+clean-help:
+       rm -f $(_HELP_LC_FILES) $(_HELP_LC_STAMPS) $(_HELP_MOFILES)
+
+EXTRA_DIST ?=
+EXTRA_DIST += $(_HELP_C_EXTRA) $(_HELP_C_MEDIA)
+EXTRA_DIST += $(if $(YELP_LC_DIST),$(foreach lc,$(HELP_LINGUAS),$(lc)/$(lc).stamp))
+EXTRA_DIST += $(foreach lc,$(HELP_LINGUAS),$(lc)/$(lc).po)
+EXTRA_DIST += $(foreach f,$(HELP_MEDIA),$(foreach lc,$(HELP_LINGUAS),$(wildcard $(lc)/$(f))))
+
+distdir: distdir-help-files
+distdir-help-files: $(_HELP_LC_FILES)
+       @for lc in C $(if $(YELP_LC_DIST),$(HELP_LINGUAS)) ; do \
+         $(MKDIR_P) "$(distdir)/$$lc"; \
+         for file in $(HELP_FILES); do \
+           if test -f "$$lc/$$file"; then d=./; else d=$(srcdir)/; fi; \
+           cp -p "$$d$$lc/$$file" "$(distdir)/$$lc/" || exit 1; \
+         done; \
+       done; \
+
+.PHONY: check-help
+check: check-help
+check-help:
+       for lc in C $(_HELP_LINGUAS); do \
+         if test -d "$$lc"; \
+           then d=; \
+           xmlpath="$$lc"; \
+         else \
+           d="$(srcdir)/"; \
+           xmlpath="$$lc:$(srcdir)/$$lc"; \
+         fi; \
+         for page in $(HELP_FILES); do \
+           echo "$(XMLLINT) --noout --noent --path $$xmlpath --xinclude $$d$$lc/$$page"; \
+           $(XMLLINT) --noout --noent --path "$$xmlpath" --xinclude "$$d$$lc/$$page"; \
+         done; \
+       done
+
+
+.PHONY: install-help
+install-data-am: $(if $(HELP_ID),install-help)
+install-help: $(_HELP_LC_FILES)
+       @for lc in C $(_HELP_LINGUAS); do \
+         $(mkinstalldirs) "$(DESTDIR)$(HELP_DIR)/$$lc/$(HELP_ID)" || exit 1; \
+       done
+       @for lc in C $(_HELP_LINGUAS); do for f in $(HELP_FILES); do \
+         if test -f "$$lc/$$f"; then d=; else d="$(srcdir)/"; fi; \
+         helpdir="$(DESTDIR)$(HELP_DIR)/$$lc/$(HELP_ID)/"; \
+         if ! test -d "$$helpdir"; then $(mkinstalldirs) "$$helpdir"; fi; \
+         echo "$(INSTALL_DATA) $$d$$lc/$$f $$helpdir`basename $$f`"; \
+         $(INSTALL_DATA) "$$d$$lc/$$f" "$$helpdir`basename $$f`" || exit 1; \
+       done; done
+       @for f in $(_HELP_C_EXTRA); do \
+         lc=`dirname "$$f"`; lc=`basename "$$lc"`; \
+         if test -f "$$f"; then d=; else d="$(srcdir)/"; fi; \
+         helpdir="$(DESTDIR)$(HELP_DIR)/$$lc/$(HELP_ID)/"; \
+         if ! test -d "$$helpdir"; then $(mkinstalldirs) "$$helpdir"; fi; \
+         echo "$(INSTALL_DATA) $$d$$f $$helpdir`basename $$f`"; \
+         $(INSTALL_DATA) "$$d$$f" "$$helpdir`basename $$f`" || exit 1; \
+       done
+       @for f in $(HELP_MEDIA); do \
+         for lc in C $(_HELP_LINGUAS); do \
+           if test -f "$$lc$$f"; then d=; else d="$(srcdir)/"; fi; \
+           helpdir="$(DESTDIR)$(HELP_DIR)/$$lc/$(HELP_ID)/"; \
+           mdir=`dirname "$$f"`; \
+           if test "x$mdir" = "x."; then mdir=""; fi; \
+           if ! test -d "$$helpdir$$mdir"; then $(mkinstalldirs) "$$helpdir$$mdir"; fi; \
+           if test -f "$$d$$lc/$$f"; then \
+             echo "$(INSTALL_DATA) $$d$$lc/$$f $$helpdir$$f"; \
+             $(INSTALL_DATA) "$$d$$lc/$$f" "$$helpdir$$f" || exit 1; \
+           elif test "x$$lc" != "xC"; then \
+             if test "x$(YELP_LC_MEDIA_LINKS)" != "x"; then \
+               echo "$(LN_S) -f $(HELP_DIR)/C/$(HELP_ID)/$$f $$helpdir$$f"; \
+               $(LN_S) -f "$(HELP_DIR)/C/$(HELP_ID)/$$f" "$$helpdir$$f" || exit 1; \
+             fi; \
+           fi; \
+         done; \
+       done
+
+.PHONY: uninstall-help
+uninstall-am: $(if $(HELP_ID),uninstall-help)
+uninstall-help:
+       for lc in C $(_HELP_LINGUAS); do for f in $(HELP_FILES); do \
+         helpdir="$(DESTDIR)$(HELP_DIR)/$$lc/$(HELP_ID)/"; \
+         echo "rm -f $$helpdir`basename $$f`"; \
+         rm -f "$$helpdir`basename $$f`"; \
+       done; done
+       @for f in $(_HELP_C_EXTRA); do \
+         lc=`dirname "$$f"`; lc=`basename "$$lc"`; \
+         helpdir="$(DESTDIR)$(HELP_DIR)/$$lc/$(HELP_ID)/"; \
+         echo "rm -f $$helpdir`basename $$f`"; \
+         rm -f "$$helpdir`basename $$f`"; \
+       done
+       @for f in $(HELP_MEDIA); do \
+         for lc in C $(_HELP_LINGUAS); do \
+           helpdir="$(DESTDIR)$(HELP_DIR)/$$lc/$(HELP_ID)/"; \
+           echo "rm -f $$helpdir$$f"; \
+           rm -f "$$helpdir$$f"; \
+         done; \
+       done;
+'
+AC_SUBST([YELP_HELP_RULES])
+m4_ifdef([_AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE([YELP_HELP_RULES])])
+])