reenable ruby bindings, apply patch to fix failure in 11.4 and 12.1

happens to work in sles11sp2 and 12.2 for some reason

OBS-URL: https://build.opensuse.org/package/show/Virtualization/libguestfs?expand=0&rev=44

libguestfs-1.13.14-ruby.patch

@@ -1,15 +1,22 @@
-Index: ruby/Makefile.am
+[  478s] ERROR: RPATH "/usr/src/packages/BUILD/libguestfs-1.19.36/src/.libs" on /usr/src/packages/BUILDROOT/libguestfs-1.19.36-0.x86_64/usr/lib64/ruby/site_ruby/1.8/x86_64-linux/_guestfs.so is not allowed
+[  478s] ERROR: RPATH "/usr/src/packages/BUILD/libguestfs-1.19.36/src/.libs" on /usr/src/packages/BUILDROOT/libguestfs-1.19.36-0.x86_64/usr/lib64/ruby/site_ruby/1.8/x86_64-linux/_guestfs.so is not allowed
+
+---
+ ruby/Makefile.am |    4 ++++
+ 1 file changed, 4 insertions(+)
+
+Index: libguestfs-1.19.36/ruby/Makefile.am
 ===================================================================
---- ruby/Makefile.am.orig
-+++ ruby/Makefile.am
-@@ -53,6 +53,10 @@ TESTS_ENVIRONMENT = \
+--- libguestfs-1.19.36.orig/ruby/Makefile.am
++++ libguestfs-1.19.36/ruby/Makefile.am
+@@ -53,6 +53,10 @@ TESTS_ENVIRONMENT = $(top_builddir)/run
  
  all: $(generator_built)
- 	rake build
+ 	$(RAKE) build
 +	sed -i 's|-Wl,-R\ -Wl,\$$(libdir)||' $(top_builddir)/ruby/ext/guestfs/Makefile
 +	sed -i 's|-Wl,-R\$$(libdir)||' $(top_builddir)/ruby/ext/guestfs/Makefile
 +	sed -i 's|-Wl,-R[^[:blank:]]*/src/.libs||' $(top_builddir)/ruby/ext/guestfs/Makefile
 +	make -C $(top_builddir)/ruby/ext/guestfs clean all
- 	rake rdoc
+ 	$(RAKE) rdoc
  
- RUBY_SITELIB := $(shell ruby -rrbconfig -e "puts Config::CONFIG['sitelibdir']")
+ RUBY_SITELIB := $(shell $(RUBY) -rrbconfig -e "puts RbConfig::CONFIG['sitelibdir']")

libguestfs.spec

@@ -20,7 +20,7 @@
 %define with_ocaml 1
 %define with_python 1
 %define with_perl 1
-%define with_ruby 0
+%define with_ruby 1
 %define with_fuse 1
 #
 # All modifications and additions to the file contributed by third parties
@@ -290,6 +290,7 @@ virtual machines.
 %setup -q
 %patch1 -p1
 %patch2 -p1
+%patch5 -p1
 %patch101 -p1
 
 %build