Modified patch from Torsten Landschoff for fixing make distclean when the target languages that have no examples are detected - the default target was erroneously being run for clean and check of the examples

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@12189 626c5289-ae23-0410-ae9c-e8d60b6d4f22

CHANGES.current

@@ -5,6 +5,10 @@ See the RELEASENOTES file for a summary of changes in each release.
 Version 2.0.1 (in progress)
 ===========================
 
+2010-08-17: wsfulton
+            Fix make distclean when some of the more obscure languages are detected by
+            configure - fixes from Torsten Landschoff.
+
 2010-07-28: wsfulton
             Restore configuring out of source for the test-suite since it broke in 1.3.37.
             As previously, if running 'make check-test-suite' out of source, it needs to be

Makefile.in

@@ -160,7 +160,7 @@ clisp_examples     :=
 uffi_examples      :=
 cffi_examples      :=
 r_examples         :=$(shell sed '/^\#/d' $(srcdir)/Examples/r/check.list)
-go_examples	   :=$(shell sed '/^\#/d' $(srcdir)/Examples/go/check.list)
+go_examples        :=$(shell sed '/^\#/d' $(srcdir)/Examples/go/check.list)
 
 # all examples
 check-%-examples :
@@ -170,6 +170,8 @@ check-%-examples :
 	fi
 	@if $(skip-$*); then					\
 	  echo skipping $* $(ACTION);				\
+	elif test -z "$($(strip $*_examples))"; then		\
+	  echo empty $* $(ACTION);				\
 	else							\
 	  $(MAKE) -k -s $($*_examples:=.actionexample) LANGUAGE=$* ACTION=$(ACTION); \
 	fi