meson: abstract edje_cc exec lines

the array is calling the shell etc. this makes cross building easier.

Differential Revision: https://phab.enlightenment.org/D7413

data/elementary/edje_externals/meson.build

@@ -1,7 +1,7 @@
 custom_target('edje_cc_edje_externals',
   input : 'icons.edc',
   output : '@BASENAME@.edj',
-  command : ['/usr/bin/env', 'EFL_RUN_IN_TREE=1', edje_cc.full_path(), '-beta',
+  command : edje_cc_exe + [ '-beta',
             '-id', join_paths(meson.current_source_dir()),
             '-id', elm_themes_image_include,
             '@INPUT@', '@OUTPUT@'],

data/elementary/objects/meson.build

@@ -19,7 +19,7 @@ foreach edc_file : edc_files
    elm_themes += custom_target('edje_cc_elm_' + edc_file,
     input : edc_file,
     output : '@BASENAME@.edj',
-    command : ['/usr/bin/env', 'EFL_RUN_IN_TREE=1', edje_cc.full_path(), '-beta',
+    command : edje_cc_exe + [ '-beta',
               '-sd', join_paths(meson.current_source_dir()),
               '-id', elm_themes_image_include,
               '-id', join_paths(meson.current_source_dir()),

data/elementary/themes/meson.build

@@ -10,7 +10,7 @@ foreach edc_file : edc_files
    elm_themes += custom_target('edje_cc_' + edc_file,
     input : edc_file,
     output : '@BASENAME@.edj',
-    command : ['/usr/bin/env', 'EFL_RUN_IN_TREE=1', edje_cc.full_path(), '-beta',
+    command : edje_cc_exe + [ '-beta',
               '-sd', join_paths(meson.current_source_dir(), 'snd'),
               '-id', elm_themes_image_include,
               '-id', join_paths(meson.current_source_dir(), 'fdo'),

data/ethumb/frames/meson.build

@@ -3,7 +3,7 @@ ethumb_frame = files('default.edc')
 custom_target('edje_cc_ethumb_frame',
     input : ethumb_frame,
     output : '@BASENAME@.edj',
-    command : ['/usr/bin/env', 'EFL_RUN_IN_TREE=1', edje_cc.full_path(), '-beta',
+    command : edje_cc_exe + [ '-beta',
               '-sd', join_paths(meson.current_source_dir()),
               '-id', join_paths(meson.current_source_dir()),
               '-fd', join_paths(meson.current_source_dir()),

src/bin/edje/meson.build

@@ -30,6 +30,10 @@ edje_cc = executable('edje_cc',
         link_args : bin_linker_args
 )
 
+env = find_program('env')
+
+edje_cc_exe = [env, 'EFL_RUN_IN_TREE=1', edje_cc.full_path()]
+
 edje_decc_src = [
   'edje_decc.c',
   'edje_decc.h',

src/examples/edje/meson.build

@@ -62,7 +62,7 @@ foreach edc_file : edc_files
    themes += custom_target('edje_cc_' + edc_file,
     input : edc_file,
     output : '@BASENAME@.edj',
-    command : ['/usr/bin/env', 'EFL_RUN_IN_TREE=1', edje_cc.full_path(), '-beta',
+    command : edje_cc_exe + [ '-beta',
               '-id', meson.current_source_dir(),
               '-fd', meson.current_source_dir(),
               '-sd', meson.current_source_dir(),
@@ -77,7 +77,7 @@ endforeach
 codegen = custom_target('edje_cc_codegen_edc',
   input : 'codegen.edc',
   output : '@BASENAME@.edj',
-  command : ['/usr/bin/env', 'EFL_RUN_IN_TREE=1', edje_cc.full_path(), '-beta',
+  command : edje_cc_exe + [ '-beta',
             '-id', meson.current_source_dir(),
             '-fd', meson.current_source_dir(),
             '-sd', meson.current_source_dir(),

src/modules/ethumb/emotion/meson.build

@@ -8,7 +8,7 @@ foreach edc_file : edc_files
   themes += custom_target('edje_cc_' + edc_file,
     input : edc_file,
     output : '@BASENAME@.edj',
-    command : ['/usr/bin/env', 'EFL_RUN_IN_TREE=1', edje_cc.full_path(), '-beta',
+    command : edje_cc_exe + [ '-beta',
               '-id', meson.current_source_dir(),
               '-fd', meson.current_source_dir(),
               '-sd', meson.current_source_dir(),

src/tests/edje/data/meson.build

@@ -25,7 +25,7 @@ foreach edc_file : edc_files
    themes += custom_target('edje_cc_' + edc_file,
     input : edc_file,
     output : '@BASENAME@.edj',
-    command : ['/usr/bin/env', 'EFL_RUN_IN_TREE=1', edje_cc.full_path(), '-beta',
+    command : edje_cc_exe + [ '-beta',
               '-id', join_paths(meson.source_root(), 'src', 'tests', 'emotion', 'data'),
               '-fd', meson.current_source_dir(),
               '-sd', meson.current_source_dir(),

src/tests/edje/tests/meson.build

@@ -6,7 +6,7 @@ foreach edc_file : edc_files
    themes += custom_target('edje_cc_' + edc_file,
     input : edc_file,
     output : '@BASENAME@.edj',
-    command : ['/usr/bin/env', 'EFL_RUN_IN_TREE=1', edje_cc.full_path(), '-beta',
+    command : edje_cc_exe + [ '-beta',
               '-id', join_paths(meson.source_root(), 'src', 'tests', 'emotion', 'data'),
               '-fd', meson.current_source_dir(),
               '-sd', meson.current_source_dir(),

src/tests/emotion/data/meson.build

@@ -8,7 +8,7 @@ foreach edc_file : edc_files
    themes += custom_target('edje_cc_' + edc_file,
     input : edc_file,
     output : '@BASENAME@.edj',
-    command : ['/usr/bin/env', 'EFL_RUN_IN_TREE=1', edje_cc.full_path(), '-beta',
+    command : edje_cc_exe + [ '-beta',
               '-id', meson.current_source_dir(),
               '-fd', meson.current_source_dir(),
               '-sd', meson.current_source_dir(),