autotools: do not link with libGL if we have "wayland-egl" without "gl"

If we have "wayland-egl" and choose to use another engine than "gl"
("glesv2" with "--with-opengl=es" e.g.), then we are in a case where
linking with libGL is not necessary. This is especially useful on a
pure Wayland system.

Signed-off-by: Manuel Bachmann <manuel.bachmann@open.eurogiciel.org>
Signed-off-by: Chris Michael <cp.michael@samsung.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/m4/evas_check_engine.m4 b/m4/evas_check_engine.m4
index 6c8ed81d8c..fd29393096 100644
--- a/m4/evas_check_engine.m4
+++ b/m4/evas_check_engine.m4
@@ -568,6 +568,9 @@ PKG_CHECK_EXISTS([egl >= 7.10 ${gl_library} wayland-client >= 1.3.0 wayland-egl
    [have_dep="no"])
 
 if test "x${have_dep}" = "xyes" ; then
+   if test "${gl_library}" != "gl" ; then
+      have_egl="yes"
+   fi
    if test "x$3" = "xstatic" ; then
       requirements_pc_evas="${requirement} ${requirements_pc_evas}"
       requirements_pc_deps_evas="${requirement} ${requirements_pc_deps_evas}"