* configure.in: check availability of link(). [ruby-dev:22237]

* file.c (rb_file_s_link): raise an exception when link() is unavailable.
* missing/os2.c (link): removed. File#link isn't supported.
* bcc32/Makefile.sub: define HAVE_LINK to enable link(). [ruby-dev:22241]
* win32/Makefile.sub: ditto.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@5532 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 5 insertions, 0 deletions

diff --git a/file.c b/file.c
index 985fdc19ad..0b6a0c3fbd 100644
--- a/file.c
+++ b/file.c
@@ -1925,6 +1925,7 @@ static VALUE
 rb_file_s_link(klass, from, to)
     VALUE klass, from, to;
 {
+#ifdef HAVE_LINK
     SafeStringValue(from);
     SafeStringValue(to);
 
@@ -1932,6 +1933,10 @@ rb_file_s_link(klass, from, to)
 	sys_fail2(from, to);
     }
     return INT2FIX(0);
+#else
+    rb_notimplement();
+    return Qnil;		/* not reached */
+#endif
 }
 
 /*