Ruby 1.9.3 Support

Reference: banister#26 Ruby 1.9.3 does not support `rb_obj_reveal` so ifdef conditionals were added to allow the gem to be compiled.
burtlo · Aug 28, 2014 · 31bbe18 · 31bbe18
1 parent 22ff506
commit 31bbe18
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Showing 2 changed files with 14 additions and 2 deletions.
diff --git a/ext/texplay/bindings.c b/ext/texplay/bindings.c
@@ -1,4 +1,5 @@
 #include <ruby.h>
+#include <ruby/version.h>
 #include <stdio.h>
 #include <string.h>
 #include <ctype.h>
@@ -307,8 +308,14 @@ m_clone_image(VALUE self)
 
     cloned_image = m_dup_image(self);
 
-    /* the main diff b/w clone and dup is that clone also dups the singleton */
-    rb_obj_reveal(cloned_image, rb_singleton_class_clone(self));
+    #if RUBY_API_VERSION_MAJOR >=2 && RUBY_API_VERSION_MINOR >= 1
+        /* the main diff b/w clone and dup is that clone also dups the singleton */
+        rb_obj_reveal(cloned_image, rb_singleton_class_clone(self));
+    #else
+        KLASS_OF(cloned_image) = rb_singleton_class_clone(self);
+    #endif
+
+
 
     return cloned_image;
 }

diff --git a/ext/texplay/compat.h b/ext/texplay/compat.h
@@ -4,6 +4,7 @@
 #define GUARD_COMPAT_H
 
 #include <ruby.h>
+#include <ruby/version.h>
 
 /* macros for backwards compatibility with 1.8 */
 #ifndef RCLASS_M_TBL
@@ -18,4 +19,8 @@
 # define RCLASS_IV_TBL(c) (RCLASS(c)->iv_tbl)
 #endif
 
+#if RUBY_API_VERSION_MAJOR <= 2 && RUBY_API_VERSION_MINOR < 1
+#define KLASS_OF(c) (RBASIC(c)->klass)
+#endif
+
 #endif