Use back reference instead of repeating the search pattern. Later on
this could lead to a more generic way of replacing values in the .h file.

Signed-off-by: Christophe Chapuis <chris.chap...@gmail.com>
---
 meta-oe/recipes-graphics/lvgl/lv-conf.inc | 28 +++++++++++------------
 1 file changed, 14 insertions(+), 14 deletions(-)

diff --git a/meta-oe/recipes-graphics/lvgl/lv-conf.inc 
b/meta-oe/recipes-graphics/lvgl/lv-conf.inc
index 3dbdf769f..e43a4d508 100644
--- a/meta-oe/recipes-graphics/lvgl/lv-conf.inc
+++ b/meta-oe/recipes-graphics/lvgl/lv-conf.inc
@@ -26,29 +26,29 @@ do_configure:append() {
 
     sed -e "s|#if 0 .*Set it to \"1\" to enable content.*|#if 1 // Enabled by 
${PN}|g" \
         \
-        -e "s|\(^#define LV_USE_LINUX_DRM \).*|#define LV_USE_LINUX_DRM 
${LVGL_CONFIG_USE_DRM}|g" \
+        -e "s|\(^#define LV_USE_LINUX_DRM \).*|\1${LVGL_CONFIG_USE_DRM}|g" \
         \
-        -e "s|\(^#define LV_USE_LINUX_FBDEV \).*|#define LV_USE_LINUX_FBDEV 
${LVGL_CONFIG_USE_FBDEV}|g" \
+        -e "s|\(^#define LV_USE_LINUX_FBDEV \).*|\1${LVGL_CONFIG_USE_FBDEV}|g" 
\
         \
-        -e "s|\(^#define LV_USE_SDL \).*|#define LV_USE_SDL 
${LVGL_CONFIG_USE_SDL}|g" \
-        -e "s|\(^#define LV_USE_DRAW_SDL \).*|#define LV_USE_DRAW_SDL 
${LVGL_CONFIG_USE_SDL}|g" \
-        -e "s|\(^    #define LV_SDL_BUF_COUNT \).*|    #define 
LV_SDL_BUF_COUNT 2|g" \
-        -e "s|\(^    #define LV_SDL_FULLSCREEN \).*|    #define 
LV_SDL_FULLSCREEN ${LVGL_CONFIG_SDL_FULLSCREEN}|g" \
+        -e "s|\(^#define LV_USE_SDL \).*|\1${LVGL_CONFIG_USE_SDL}|g" \
+        -e "s|\(^#define LV_USE_DRAW_SDL \).*|\1${LVGL_CONFIG_USE_SDL}|g" \
+        -e "s|\(^ \+#define LV_SDL_BUF_COUNT \).*|\1 2|g" \
+        -e "s|\(^ \+#define LV_SDL_FULLSCREEN 
\).*|\1${LVGL_CONFIG_SDL_FULLSCREEN}|g" \
         \
-        -e "s|\(^#define LV_COLOR_DEPTH \).*|#define LV_COLOR_DEPTH 
${LVGL_CONFIG_LV_COLOR_DEPTH}|g" \
-        -e "s|\(#define LV_MEM_CUSTOM .*\)0|\1${LVGL_CONFIG_LV_MEM_CUSTOM}|g" \
+        -e "s|\(^#define LV_COLOR_DEPTH 
\).*|\1${LVGL_CONFIG_LV_COLOR_DEPTH}|g" \
+        -e "s|\(#define LV_MEM_CUSTOM .*\).*|\1${LVGL_CONFIG_LV_MEM_CUSTOM}|g" 
\
         \
         -e "s|\(#define LV_TICK_CUSTOM \).*|\1 1|g" \
         -e "s|\(#define LV_TICK_CUSTOM_INCLUDE \).*|\1 <stdint.h>|g" \
         -e "s|\(#define LV_TICK_CUSTOM_SYS_TIME_EXPR \).*|extern uint32_t 
custom_tick_get(void);\n\1 (custom_tick_get())|g" \
         \
-        -e "s|\(^#define LV_USE_EVDEV \).*|#define LV_USE_EVDEV 
${LVGL_CONFIG_USE_EVDEV}|g" \
+        -e "s|\(^#define LV_USE_EVDEV \).*|\1${LVGL_CONFIG_USE_EVDEV}|g" \
         \
-        -e "s|\(^#define LV_USE_ASSERT_NULL \).*|#define LV_USE_ASSERT_NULL 
${DEBUG_BUILD}|g" \
-        -e "s|\(^#define LV_USE_ASSERT_MALLOC \).*|#define 
LV_USE_ASSERT_MALLOC ${DEBUG_BUILD}|g" \
-        -e "s|\(^#define LV_USE_ASSERT_STYLE \).*|#define LV_USE_ASSERT_STYLE 
${DEBUG_BUILD}|g" \
-        -e "s|\(^#define LV_USE_ASSERT_MEM_INTEGRITY \).*|#define 
LV_USE_ASSERT_MEM_INTEGRITY ${DEBUG_BUILD}|g" \
-        -e "s|\(^#define LV_USE_ASSERT_OBJ \).*|#define LV_USE_ASSERT_OBJ 
${DEBUG_BUILD}|g" \
+        -e "s|\(^#define LV_USE_ASSERT_NULL \).*|\1${DEBUG_BUILD}|g" \
+        -e "s|\(^#define LV_USE_ASSERT_MALLOC \).*|\1${DEBUG_BUILD}|g" \
+        -e "s|\(^#define LV_USE_ASSERT_STYLE \).*|\1${DEBUG_BUILD}|g" \
+        -e "s|\(^#define LV_USE_ASSERT_MEM_INTEGRITY \).*|\1${DEBUG_BUILD}|g" \
+        -e "s|\(^#define LV_USE_ASSERT_OBJ \).*|\1${DEBUG_BUILD}|g" \
         \
         -i "${S}/lv_conf.h"
 }
-- 
2.44.0

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