build: don't AC_SUBST intermediate values

diff --git a/configure.ac b/configure.ac
index 796fe18..7abdd35 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -772,10 +772,6 @@ fi
 CPPFLAGS="$save_CPPFLAGS"
 LIBS="$save_LIBS"
 
-AC_SUBST(HAVE_GL)
-AC_SUBST(HAVE_GLU)
-AC_SUBST(HAVE_GLES2)
-
 USE_OPENGL=no
 USE_GLES2=no
 USE_GLX=no