(no commit message)

[gacela.git] / gacela_FTGL.lisp

diff --git a/gacela_FTGL.lisp b/gacela_FTGL.lisp
index d1b0d19978c26ea2427ac2502de44a1da3b99bc5..1d78fe9bfb8eca0aa574730008826f51d2cfec3d 100644 (file)
--- a/gacela_FTGL.lisp
+++ b/gacela_FTGL.lisp
@@ -15,7 +15,20 @@
 ;;; along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 
-(in-package :gacela)
+(eval-when (compile load eval)
+          (when (not (find-package 'gacela)) (make-package 'gacela :nicknames '(gg) :use '(lisp)))
+          (in-package 'gacela :nicknames '(gg) :use '(lisp)))
+
+
+(defmacro mapcconst (type c-type name)
+  (let ((c-header (concatenate 'string c-type " gacela_" name " (void)"))
+       (c-body (concatenate 'string "return " name ";"))
+       (c-name (concatenate 'string "gacela_" name))
+       (lisp-name (intern (string-upcase name))))
+    `(progn
+       (defcfun ,c-header 0 ,c-body)
+       (defentry ,lisp-name () (,type ,c-name))
+       (eval-when (load) (defconstant ,lisp-name (,lisp-name))))))
 
 (clines "#include <FTGL/ftgl.h>")