vici: Use "gem"-assisted vici ruby gem building and installation

configure.ac

@@ -1727,6 +1727,7 @@ AC_CONFIG_FILES([
 	src/libcharon/plugins/maemo/Makefile
 	src/libcharon/plugins/stroke/Makefile
 	src/libcharon/plugins/vici/Makefile
+	src/libcharon/plugins/vici/ruby/Makefile
 	src/libcharon/plugins/updown/Makefile
 	src/libcharon/plugins/dhcp/Makefile
 	src/libcharon/plugins/unit_tester/Makefile

src/libcharon/plugins/vici/Makefile.am

@@ -67,3 +67,10 @@ vici_tests_LDFLAGS = @COVERAGE_LDFLAGS@
 vici_tests_LDADD = \
 	$(top_builddir)/src/libstrongswan/libstrongswan.la \
 	$(top_builddir)/src/libstrongswan/tests/libtest.la
+
+
+SUBDIRS =
+
+if USE_RUBY_GEMS
+SUBDIRS += ruby
+endif

src/libcharon/plugins/vici/ruby/.gitignore

@@ -1 +1,2 @@
 *.gem
+*.gemspec

src/libcharon/plugins/vici/ruby/Makefile.am

@@ -0,0 +1,20 @@
+vici.gemspec: $(srcdir)/vici.gemspec.in
+	$(AM_V_GEN) sed \
+	-e "s:@GEM_VERSION@:$(PACKAGE_VERSION):" \
+	$(srcdir)/vici.gemspec.in > $@
+
+vici-$(PACKAGE_VERSION).gem: vici.gemspec
+	$(GEM) build vici.gemspec
+
+all-local: vici-$(PACKAGE_VERSION).gem
+
+clean-local:
+	rm -f vici.gemspec vici-$(PACKAGE_VERSION).gem
+
+install-data-local: vici-$(PACKAGE_VERSION).gem
+	$(GEM) install --install-dir $(DESTDIR)$(RUBYGEMDIR) \
+		vici-$(PACKAGE_VERSION).gem
+
+uninstall-local:
+	$(GEM) uninstall --install-dir $(DESTDIR)$(RUBYGEMDIR) \
+		--version $(PACKAGE_VERSION) vici

src/libcharon/plugins/vici/ruby/vici.gemspec.in

@@ -1,6 +1,6 @@
 Gem::Specification.new do |s|
   s.name          = "vici"
-  s.version       = "0.0.1"
+  s.version       = "@GEM_VERSION@"
   s.authors       = ["Martin Willi"]
   s.email         = ["martin@strongswan.ch"]
   s.description   = %q{