diff --git a/configure.ac b/configure.ac
index 6925df814..920a450a9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -814,7 +814,7 @@ LIBAPPLEWM="applewm >= 1.4"
 LIBDMX="dmx >= 1.0.99.1"
 LIBDRI="dri >= 7.8.0"
 LIBDRM="libdrm >= 2.3.0"
-LIBGL="gl >= 9.2.0"
+LIBGL="gl >= 7.1.0"
 LIBXEXT="xext >= 1.0.99.4"
 LIBXFONT="xfont >= 1.4.2"
 LIBXI="xi >= 1.2.99.1"
@@ -1069,34 +1069,6 @@ fi
 AC_MSG_RESULT([$CLIENTIDS])
 AM_CONDITIONAL(CLIENTIDS, [test "x$CLIENTIDS" = xyes])
 
-if test "x$GLX" = xyes; then
-	PKG_CHECK_MODULES([XLIB], [x11])
-	PKG_CHECK_MODULES([GL], $GLPROTO $LIBGL)
-	AC_SUBST(XLIB_CFLAGS)
-	AC_DEFINE(GLXEXT, 1, [Build GLX extension])
-	GLX_LIBS='$(top_builddir)/glx/libglx.la'
-	GLX_SYS_LIBS="$GLX_SYS_LIBS $GL_LIBS"
-else
-        GLX=no
-fi
-AM_CONDITIONAL(GLX, test "x$GLX" = xyes)
-
-if test "x$GLX" = xno; then
-        AIGLX=no
-fi
-
-if test "x$AIGLX" = xyes -a \( "x$DRI2" = xyes \); then
-	AC_DEFINE(AIGLX, 1, [Build AIGLX loader])
-fi
-AM_CONDITIONAL(AIGLX_DRI_LOADER, { test "x$DRI2" = xyes; } && test "x$AIGLX" = xyes)
-
-if test "x$GLX_USE_TLS" = xyes ; then
-	GLX_DEFINES="-DGLX_USE_TLS -DPTHREADS"
-	GLX_SYS_LIBS="$GLX_SYS_LIBS -lpthread"
-fi
-AC_SUBST([GLX_DEFINES])
-AC_SUBST([GLX_SYS_LIBS])
-
 AM_CONDITIONAL(DRI, test "x$DRI" = xyes)
 if test "x$DRI" = xyes; then
 	AC_DEFINE(XF86DRI, 1, [Build DRI extension])
@@ -1113,6 +1085,7 @@ case "$DRI2,$HAVE_DRI2PROTO" in
 	yes,yes | auto,yes)
 		AC_DEFINE(DRI2, 1, [Build DRI2 extension])
 		DRI2=yes
+		LIBGL="gl >= 9.2.0"
 		SDK_REQUIRED_MODULES="$SDK_REQUIRED_MODULES $DRI2PROTO"
 		;;
 esac
@@ -1204,6 +1177,34 @@ if test "x$DRI2" = xyes; then
 fi
 AM_CONDITIONAL(DRI2_AIGLX, test "x$DRI2_AIGLX" = xyes)
 
+if test "x$GLX" = xyes; then
+	PKG_CHECK_MODULES([XLIB], [x11])
+	PKG_CHECK_MODULES([GL], $GLPROTO $LIBGL)
+	AC_SUBST(XLIB_CFLAGS)
+	AC_DEFINE(GLXEXT, 1, [Build GLX extension])
+	GLX_LIBS='$(top_builddir)/glx/libglx.la'
+	GLX_SYS_LIBS="$GLX_SYS_LIBS $GL_LIBS"
+else
+        GLX=no
+fi
+AM_CONDITIONAL(GLX, test "x$GLX" = xyes)
+
+if test "x$GLX" = xno; then
+        AIGLX=no
+fi
+
+if test "x$AIGLX" = xyes -a \( "x$DRI2" = xyes \); then
+	AC_DEFINE(AIGLX, 1, [Build AIGLX loader])
+fi
+AM_CONDITIONAL(AIGLX_DRI_LOADER, { test "x$DRI2" = xyes; } && test "x$AIGLX" = xyes)
+
+if test "x$GLX_USE_TLS" = xyes ; then
+	GLX_DEFINES="-DGLX_USE_TLS -DPTHREADS"
+	GLX_SYS_LIBS="$GLX_SYS_LIBS -lpthread"
+fi
+AC_SUBST([GLX_DEFINES])
+AC_SUBST([GLX_SYS_LIBS])
+
 AM_CONDITIONAL(PRESENT, [test "x$PRESENT" = xyes])
 if test "x$PRESENT" = xyes; then
 	AC_DEFINE(PRESENT, 1, [Support Present extension])