fix cygwin bustage

Fltk/Opengl_Window.cpp

-// $Id: Opengl_Window.cpp,v 1.38 2004-08-28 00:48:37 geuzaine Exp $
+// $Id: Opengl_Window.cpp,v 1.39 2004-09-12 04:13:59 geuzaine Exp $
 //
 // Copyright (C) 1997-2004 C. Geuzaine, J.-F. Remacle
 //
@@ -91,8 +91,7 @@ void Opengl_Window::draw()
     glLoadIdentity();
     glDisable(GL_DEPTH_TEST);
     glColor3f(1., 1., 1.);
-    glBlendFunc(GL_ONE_MINUS_DST_COLOR, GL_ZERO);
-    glBlendEquation(GL_FUNC_ADD);
+    glBlendFunc(GL_ONE_MINUS_DST_COLOR, GL_ZERO); // glBlendEquation(GL_FUNC_ADD);
     glEnable(GL_BLEND);
     glLineWidth(0.2);
     glBegin(GL_LINE_STRIP);

Graphics/Post.cpp

-// $Id: Post.cpp,v 1.77 2004-09-01 20:23:50 geuzaine Exp $
+// $Id: Post.cpp,v 1.78 2004-09-12 04:13:59 geuzaine Exp $
 //
 // Copyright (C) 1997-2004 C. Geuzaine, J.-F. Remacle
 //
@@ -396,19 +396,16 @@ void Draw_Post(void)
       // initialize alpha blending for transparency
       if(CTX.alpha && ColorTable_IsAlpha(&v->CT)){
 	if(CTX.fake_transparency){
-	  // simple additive blending "a la xpost"
-	  glBlendFunc(GL_SRC_ALPHA, GL_ONE);
-	  glBlendEquation(GL_FUNC_ADD);
-	  // maximum intensity projection "a la volsuite"
-	  // glBlendFunc(GL_ONE, GL_ONE);
-	  // glBlendEquation(GL_MAX);
+	  // simple additive blending "a la xpost":
+	  glBlendFunc(GL_SRC_ALPHA, GL_ONE); // glBlendEquation(GL_FUNC_ADD);
+	  // maximum intensity projection "a la volsuite":
+	  // glBlendFunc(GL_ONE, GL_ONE); // glBlendEquation(GL_MAX);
 	  glEnable(GL_BLEND);
 	  glDisable(GL_DEPTH_TEST);
 	}
 	else{
 	  // real translucent blending (requires back-to-front traversal)
-	  glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-	  glBlendEquation(GL_FUNC_ADD);
+	  glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); // glBlendEquation(GL_FUNC_ADD);
 	  glEnable(GL_BLEND);
 	  // if we don't use vertex arrays, do the sorting here - it's
 	  // incorrect for hybrid views (use Plugin(DecomposeInSimplex)

Makefile

-# $Id: Makefile,v 1.367 2004-09-11 06:38:22 geuzaine Exp $
+# $Id: Makefile,v 1.368 2004-09-12 04:13:59 geuzaine Exp $
 #
 # Copyright (C) 1997-2004 C. Geuzaine, J.-F. Remacle
 #
@@ -87,6 +87,10 @@ clean:
 	for i in doc lib ${GMSH_DIRS}; do (cd $$i && ${MAKE} clean); done
 	rm -f ${GMSH_VERSION_FILE}
 
+clean-most:
+	for i in doc lib ${GMSH_DIRS:Netgen=}; do (cd $$i && ${MAKE} clean); done
+	rm -f ${GMSH_VERSION_FILE}
+
 depend:
 	for i in ${GMSH_DIRS};\
         do (cd $$i && ${MAKE} depend "FLAGS=-DHAVE_GSL -DHAVE_FLTK"); done