wayland-egl: do not require 'gl' to build (libs)

'gl' would pull X11, and is unnecessary anyways (fixes 'gl'
LIBS check which happens in some cases, like when doing
"--enable-gl-flavor-gles").

Change-Id: I1abd5adf188feab3dedd24e14d1da8b20da4e09b
Signed-off-by: Manuel Bachmann <manuel.bachmann@open.eurogiciel.org>

diff --git a/configure b/configure
index 14834d4..78fb893 100755 (executable)
--- a/configure
+++ b/configure
@@ -24127,11 +24127,11 @@ if test -n "$WAYLAND_EGL_CFLAGS"; then
  elif test -n "$PKG_CONFIG"; then
     if test -n "$PKG_CONFIG" && \
     { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"egl >= 7.10 glesv2 gl wayland-client wayland-egl\""; } >&5
-  ($PKG_CONFIG --exists --print-errors "egl >= 7.10 glesv2 gl wayland-client wayland-egl") 2>&5
+  ($PKG_CONFIG --exists --print-errors "egl >= 7.10 glesv2 wayland-client wayland-egl") 2>&5
   ac_status=$?
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
-  pkg_cv_WAYLAND_EGL_CFLAGS=`$PKG_CONFIG --cflags "egl >= 7.10 glesv2 gl wayland-client wayland-egl" 2>/dev/null`
+  pkg_cv_WAYLAND_EGL_CFLAGS=`$PKG_CONFIG --cflags "egl >= 7.10 glesv2 wayland-client wayland-egl" 2>/dev/null`
                      test "x$?" != "x0" && pkg_failed=yes
 else
   pkg_failed=yes