[libcamera-devel] [PATCH] libcamera: Fix compilation with uClibc and uClibc-ng

[Laurent Pinchart]

Neither uClibc nor uClibc-ng support O_TMPFILE. Define it in utils.h if
not defined.

Signed-off-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
---
 src/libcamera/include/utils.h | 9 +++++++++
 1 file changed, 9 insertions(+)

Is utils.h a good location, or should we create a compat.h (maybe even
one that is automatically included) for this purpose ?

diff --git a/src/libcamera/include/utils.h b/src/libcamera/include/utils.h
index 3efb11c119c2..a80f7d096bf7 100644
--- a/src/libcamera/include/utils.h
+++ b/src/libcamera/include/utils.h
@@ -16,6 +16,15 @@
 
 #define ARRAY_SIZE(a)	(sizeof(a) / sizeof(a[0]))
 
+#ifndef __DOXYGEN__
+
+/* uClibc and uClibc-ng don't provide O_TMPFILE */
+#ifndef O_TMPFILE
+#define O_TMPFILE	(020000000 | O_DIRECTORY)
+#endif
+
+#endif
+
 namespace libcamera {
 
 namespace utils {
-- 
Regards,

Laurent Pinchart