vici: Support ruby gem out-of-tree builds

Referencing $(srcdir) in the gemspec is not really an option, as "gem build"
includes the full path in the gem, so we need to build in $(srcdir). As there
does not seem to be a way to control the output of "gem build", we manually
move the gem to $(builddir) in OOT builds.

diff --git a/src/libcharon/plugins/vici/ruby/Makefile.am b/src/libcharon/plugins/vici/ruby/Makefile.am
index ce38e1c..c10705d 100644 (file)
--- a/src/libcharon/plugins/vici/ruby/Makefile.am
+++ b/src/libcharon/plugins/vici/ruby/Makefile.am
@@ -6,7 +6,9 @@ vici.gemspec: $(srcdir)/vici.gemspec.in
        $(srcdir)/vici.gemspec.in > $@
 
 vici-$(PACKAGE_VERSION).gem: vici.gemspec
-       $(GEM) build vici.gemspec
+       (cd $(srcdir); $(GEM) build $(abs_builddir)/vici.gemspec)
+       [ "$(srcdir)" = "$(builddir)" ] || \
+               mv $(srcdir)/vici-$(PACKAGE_VERSION).gem $(builddir)
 
 all-local: vici-$(PACKAGE_VERSION).gem