diff --git a/include/osg/GL b/include/osg/GL
index 2e2dccc5b..5b279241f 100644
--- a/include/osg/GL
+++ b/include/osg/GL
@@ -149,21 +149,19 @@
     #define GL_POLYGON                         0x0009
     #define GL_QUADS                           0x0007
     #define GL_QUAD_STRIP                      0x0008
-
-    void glDepthRange(double near_val, double far_val) { glDepthRangef(near_val, far_val); }
 #endif
 
 #ifdef OSG_GLES1_AVAILABLE
-    void glColor4ubv(const GLubyte* c) { glColor4ub(c[0], c[1], c[2], c[3]); }
-    void glColor3fv(const GLfloat* c) { glColor4f(c[0], c[1], c[2], 1.0f); }
-    void glColor4fv(const GLfloat* c) { glColor4f(c[0], c[1], c[2], c[3]); }
-    void glColor3dv(const GLdouble* c) { glColor4f(c[0], c[1], c[2], 1.0f); }
-    void glColor4dv(const GLdouble* c) { glColor4f(c[0], c[1], c[2], c[3]); }
+    inline void glColor4ubv(const GLubyte* c) { glColor4ub(c[0], c[1], c[2], c[3]); }
+    inline void glColor3fv(const GLfloat* c) { glColor4f(c[0], c[1], c[2], 1.0f); }
+    inline void glColor4fv(const GLfloat* c) { glColor4f(c[0], c[1], c[2], c[3]); }
+    inline void glColor3dv(const GLdouble* c) { glColor4f(c[0], c[1], c[2], 1.0f); }
+    inline void glColor4dv(const GLdouble* c) { glColor4f(c[0], c[1], c[2], c[3]); }
 
-    void glNormal3bv(const GLbyte* n) { const float div = 1.0f/128.0f; glNormal3f(float(n[0])*div, float(n[1])*div, float(n[3])*div); }
-    void glNormal3sv(const GLshort* n) { const float div = 1.0f/32768.0f; glNormal3f(float(n[0])*div, float(n[1])*div, float(n[3])*div); }
-    void glNormal3fv(const GLfloat* n) { glNormal3f(n[0], n[1], n[3]); }
-    void glNormal3dv(const GLdouble* n) { glNormal3f(n[0], n[1], n[3]); }
+    inline void glNormal3bv(const GLbyte* n) { const float div = 1.0f/128.0f; glNormal3f(float(n[0])*div, float(n[1])*div, float(n[3])*div); }
+    inline void glNormal3sv(const GLshort* n) { const float div = 1.0f/32768.0f; glNormal3f(float(n[0])*div, float(n[1])*div, float(n[3])*div); }
+    inline void glNormal3fv(const GLfloat* n) { glNormal3f(n[0], n[1], n[3]); }
+    inline void glNormal3dv(const GLdouble* n) { glNormal3f(n[0], n[1], n[3]); }
 #endif
 
 #endif  // __osgGL_h
diff --git a/src/osg/Depth.cpp b/src/osg/Depth.cpp
index e3e1ec143..c295929c6 100644
--- a/src/osg/Depth.cpp
+++ b/src/osg/Depth.cpp
@@ -29,7 +29,11 @@ Depth::~Depth()
 void Depth::apply(State&) const
 {
     glDepthFunc((GLenum)_func);
-    glDepthRange(_zNear,_zFar);
     glDepthMask((GLboolean)_depthWriteMask);
+#if defined(OSG_GLES1_AVAILABLE) || defined(OSG_GLES2_AVAILABLE)
+    glDepthRangef(_zNear,_zFar);
+#else
+    glDepthRange(_zNear,_zFar);
+#endif
 }
 
diff --git a/src/osg/State.cpp b/src/osg/State.cpp
index 1ef4f1f2d..e51bf4175 100644
--- a/src/osg/State.cpp
+++ b/src/osg/State.cpp
@@ -758,10 +758,10 @@ void State::setInterleavedArrays( GLenum format, GLsizei stride, const GLvoid* p
 {
     disableAllVertexArrays();
 
-#ifdef OSG_GL_VERTEX_ARRAY_FUNCS_AVAILABLE
-
+#if defined(OSG_GL_VERTEX_ARRAY_FUNCS_AVAILABLE) && !defined(OSG_GLES1_AVAILABLE)
     glInterleavedArrays( format, stride, pointer);
-
+#else
+    osg::notify(osg::NOTICE)<<"Warning: State::setInterleavedArrays(..) not implemented."<<std::endl;    
 #endif
 
     // the crude way, assume that all arrays have been effected so dirty them and