ios: fix iOS build by adding missing files to XCode project.

configure.ac

@@ -112,6 +112,12 @@ PKG_CHECK_MODULES(GLES2, glesv2,
   GL_CFLAGS="${GL_CFLAGS} ${GLES2_CFLAGS}"
   GL_LIBS="${GL_LIBS} ${GLES2_LIBS}"],
  [:])
+
+PKG_CHECK_MODULES(GL, gl,
+ [ac_cv_my_have_gl="yes"
+  AC_DEFINE(HAVE_GL_2X, 1, Define to 1 if GL 2.x is available)],
+ [:])
+
 AC_CHECK_LIB(GL, glLoadIdentity,
  [ac_cv_my_have_gl="yes"
   AC_DEFINE(HAVE_GL_2X, 1, Define to 1 if GL 2.x is available) # FIXME: hackish

src/debug/quad.cpp

@@ -1082,13 +1082,13 @@ void DebugQuad::ResetState()
 #if defined HAVE_GLBEGIN || defined USE_GLEW || defined __CELLOS_LV2__
     glClientActiveTexture(GL_TEXTURE0);
 #endif
-#if !defined __CELLOS_LV2__ && !defined __ANDROID__
+#if !defined __CELLOS_LV2__ && !defined __ANDROID__ && !defined __APPLE__
     glTexEnvi(GL_POINT_SPRITE, GL_COORD_REPLACE, GL_FALSE);
 #endif
     glDisable(GL_TEXTURE_2D);
 
     glDisable(GL_BLEND);
-#if !defined __CELLOS_LV2__ && !defined __ANDROID__
+#if !defined __CELLOS_LV2__ && !defined __ANDROID__ && !defined __APPLE__
     glDisable(GL_POINT_SPRITE);
 #endif
 
@@ -1100,7 +1100,7 @@ void DebugQuad::ResetState()
     cgGLDisableProfile(cgGLGetLatestProfile(CG_GL_FRAGMENT));
 #endif
 
-#if !defined __CELLOS_LV2__ && !defined __ANDROID__
+#if !defined __CELLOS_LV2__ && !defined __ANDROID__ && !defined __APPLE__
     glDisable(GL_VERTEX_PROGRAM_POINT_SIZE);
 #endif
 }