build: stop buildsystem from beeing a public dependency

this is wrong, each library should declare it on its own

Reviewed-by: Stefan Schmidt <stefan@datenfreihafen.org>
Differential Revision: https://phab.enlightenment.org/D11883

src/lib/elementary/meson.build

@@ -949,10 +949,10 @@ elementary_src = files([
   'efl_ui_spotlight_animation_manager.c',
 ])
 
-elementary_deps = [emile, eo, efl, edje, ethumb, ethumb_client, emotion, ecore_imf, ecore_con, eldbus, efreet, eio]
+elementary_deps = [emile, eo, efl, edje, ethumb, ethumb_client, emotion, ecore_imf, ecore_con, eldbus, efreet, eio, buildsystem]
 elementary_pub_deps = [eina, eet, evas, ecore, ecore_evas, ecore_file, ecore_input, ecore_imf, ecore_con,
                        edje, eldbus, efreet, ethumb_client, efl]
-elementary_ext_deps = [atspi, dl, intl]
+elementary_ext_deps = [atspi, dl, intl, buildsystem_simple]
 elm_options = configuration_data()
 
 config_h.set_quoted('ELM_TOP_BUILD_DIR', meson.build_root())

src/lib/emotion/meson.build

@@ -37,9 +37,9 @@ emotion_src = files([
   'emotion_main.c'
 ])
 
-emotion_deps = [ecore, eet, evas, eio, emile]
+emotion_deps = [ecore, eet, evas, eio, emile, buildsystem]
 emotion_pub_deps = [eina, eo, efl]
-emotion_ext_deps = []
+emotion_ext_deps = [buildsystem_simple]
 
 if get_option('eeze') == true
   emotion_deps += [eeze]

src/lib/ethumb/meson.build

@@ -9,9 +9,9 @@ ethumb_src = files([
   'md5.c',
 ])
 
-ethumb_deps = [eet, evas, ecore, ecore_evas, ecore_file, ecore_imf, edje, emile]
+ethumb_deps = [eet, evas, ecore, ecore_evas, ecore_file, ecore_imf, edje, emile, buildsystem]
 ethumb_pub_deps = [eina, eo, efl]
-ethumb_ext_deps = [m]
+ethumb_ext_deps = [m, buildsystem_simple]
 
 ethumb_lib = library('ethumb',
     ethumb_src,

src/lib/evas/meson.build

@@ -200,7 +200,7 @@ if get_option('opengl') != 'none'
 endif
 
 evas_link = [ ]
-evas_pub_deps = [eina, ecore, ector, emile, buildsystem] #FIXME buildsystem here is wrong, but needed in this commit
+evas_pub_deps = [eina, ecore, ector, emile]
 
 if cpu_sse3 == true or cpu_neon == true and cpu_neon_intrinsics == false
   evas_opt = static_library('evas_opt',