utils: Convert to pragma once

Remove the verbose #ifndef/#define/#endif pattern for maintaining
header idempotency, and replace it with a simple #pragma once.

This simplifies the headers, and prevents redundant changes when
header files get moved.

Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>

1 files changed, 2 insertions, 7 deletions

diff --git a/utils/gen-header.sh b/utils/gen-header.sh
index fcb9c5e1..8b66c5dd 100755
--- a/utils/gen-header.sh
+++ b/utils/gen-header.sh
@@ -11,8 +11,8 @@ cat <<EOF > "$dst_file"
  *
  * libcamera.h - libcamera public API
  */
-#ifndef __LIBCAMERA_LIBCAMERA_H__
-#define __LIBCAMERA_LIBCAMERA_H__
+
+#pragma once
 
 EOF
 
@@ -25,8 +25,3 @@ done | sort)
 for header in $headers ; do
 	echo "#include <libcamera/$header>" >> "$dst_file"
 done
-
-cat <<EOF >> "$dst_file"
-
-#endif /* __LIBCAMERA_LIBCAMERA_H__ */
-EOF