build: do not hardcode endianess of a system

CHANGELOG.md

@@ -21,6 +21,7 @@ If a change only affects particular applications, they are listed in parentheses
 - feat(buffyboard): Add a buffyboard.service systemd service (!34, @uninsane)
 - fix(unl0kr): Select an available DRM device instead of a hard-coded one (!35, thanks @Sorcus)
 - feat(unl0kr): Enable software rotation (!32, thanks @xs5871 & @craftyguy)
+- misc: do not hardcode endianess of a system
 
 ## 3.2.0 (2024-06-03)
 

buffyboard/lv_conf.h

@@ -313,9 +313,6 @@ e.g. "stm32f769xx.h" or "stm32f429xx.h"*/
  *  COMPILER SETTINGS
  *====================*/
 
-/*For big endian systems set to 1*/
-#define LV_BIG_ENDIAN_SYSTEM    0
-
 /*Define a custom attribute to `lv_tick_inc` function*/
 #define LV_ATTRIBUTE_TICK_INC
 

meson.build

@@ -4,7 +4,11 @@ project('buffybox', 'c',
     meson_version: '>= 0.59.0'
 )
 
-add_project_arguments('-DPROJECT_VERSION="@0@"'.format(meson.project_version()), language: 'c')
+add_project_arguments(
+    '-DPROJECT_VERSION="@0@"'.format(meson.project_version()),
+    '-DLV_BIG_ENDIAN_SYSTEM=' + (host_machine.endian() == 'big'? '1' : '0'),
+    language: 'c'
+)
 
 depinih      = dependency('inih')
 deplibinput  = dependency('libinput')

unl0kr/lv_conf.h

@@ -207,9 +207,6 @@ e.g. "stm32f769xx.h" or "stm32f429xx.h"*/
  *  COMPILER SETTINGS
  *====================*/
 
-/*For big endian systems set to 1*/
-#define LV_BIG_ENDIAN_SYSTEM    0
-
 /*Define a custom attribute to `lv_tick_inc` function*/
 #define LV_ATTRIBUTE_TICK_INC