libgphoto2: fix build with gcc-14

Fixes:
libgphoto2-2.5.31/camlibs/ptp2/chdk.c:1187:41: error: passing argument 3 of 'jpeg_mem_dest' from incompatible pointer type [-Wincompatible-pointer-types]

https://github.com/gphoto/libgphoto2/issues/959
https://github.com/gphoto/libgphoto2/issues/941

Signed-off-by: Martin Jansa <martin.jansa@gmail.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-oe/recipes-graphics/gphoto2/libgphoto2/fix-build-with-gcc-14.patch

@@ -0,0 +1,36 @@
+From 721f7f8c3ec8058d504607873e4c317aac0c99c5 Mon Sep 17 00:00:00 2001
+From: Marcus Meissner <marcus@jet.franken.de>
+Date: Mon, 4 Dec 2023 13:26:08 +0100
+Subject: [PATCH] align outlen length with jpeg jeaders. fixes
+ https://github.com/gphoto/libgphoto2/issues/941
+
+---
+Upstream-Status: Backport [https://github.com/gphoto/libgphoto2/commit/721f7f8c3ec8058d504607873e4c317aac0c99c5]
+
+ camlibs/ptp2/chdk.c | 6 +++---
+ 1 file changed, 3 insertions(+), 3 deletions(-)
+
+diff --git a/camlibs/ptp2/chdk.c b/camlibs/ptp2/chdk.c
+index e1d898f378..e775ea1d4b 100644
+--- a/camlibs/ptp2/chdk.c
++++ b/camlibs/ptp2/chdk.c
+@@ -1150,7 +1150,7 @@ static void yuv_live_to_jpeg(unsigned char *p_yuv,
+ 	struct		jpeg_error_mgr jerr;
+ 	JSAMPROW	row_ptr[1];
+ 	uint8_t		*outbuf = NULL, *tmprowbuf = NULL;
+-	uint64_t	outlen = 0;
++	unsigned long	outlen = 0;
+ 	unsigned int	row_inc;
+ 	int		sshift, dshift, xshift, skip;
+ 
+@@ -1161,8 +1161,8 @@ static void yuv_live_to_jpeg(unsigned char *p_yuv,
+ 		sshift = 6;
+ 		dshift = (width/height > 2) ? 6 : 12;
+ 		xshift = 4;
+-	/* Digic 6 cameras: 8 bit per element UYVY,
+-	 * 4 bytes used to encode 2 pixels, need 6 bytes raw YUV data for jpeg encoding */
++		/* Digic 6 cameras: 8 bit per element UYVY,
++		 * 4 bytes used to encode 2 pixels, need 6 bytes raw YUV data for jpeg encoding */
+ 	} else {
+ 		row_inc = buf_width*2;
+ 		sshift = 4;

meta-oe/recipes-graphics/gphoto2/libgphoto2_2.5.31.bb

@@ -13,6 +13,7 @@ SRC_URI = "${SOURCEFORGE_MIRROR}/gphoto/libgphoto2-${PV}.tar.bz2;name=libgphoto2
            file://40-libgphoto2.rules \
            file://0001-configure.ac-remove-AM_PO_SUBDIRS.patch \
            file://0001-configure-Filter-out-buildpaths-from-CC.patch \
+           file://fix-build-with-gcc-14.patch \
 "
 SRC_URI[libgphoto2.sha256sum] = "4f81c34c0b812bee67afd5f144940fbcbe01a2055586a6a1fa2d0626024a545b"