diff mbox

build: Add U32_MAX if not defined

Message ID 1507758934-11680-1-git-send-email-jasmin@anw.at (mailing list archive)
State New, archived
Headers show

Commit Message

Jasmin J. Oct. 11, 2017, 9:55 p.m. UTC 
From: Jasmin Jessich <jasmin@anw.at>

Compiling for Kernel 3.4 failed in "ir-lirc-codec.c" with
  error: 'U32_MAX' undeclared

Signed-off-by: Jasmin Jessich <jasmin@anw.at>
---
 v4l/compat.h                      | 4 ++++
 v4l/scripts/make_config_compat.pl | 1 +
 2 files changed, 5 insertions(+)
diff mbox

Patch

diff --git a/v4l/compat.h b/v4l/compat.h
index a20264c..15f2cd6 100644
--- a/v4l/compat.h
+++ b/v4l/compat.h
@@ -2166,4 +2166,8 @@  static inline unsigned long nsecs_to_jiffies_static(u64 n)
 
 #endif
 
+#ifdef NEED_U32_MAX
+#define U32_MAX     ((u32)~0U)
+#endif
+
 #endif /*  _COMPAT_H */
diff --git a/v4l/scripts/make_config_compat.pl b/v4l/scripts/make_config_compat.pl
index 53ca439..9fdf10d 100644
--- a/v4l/scripts/make_config_compat.pl
+++ b/v4l/scripts/make_config_compat.pl
@@ -704,6 +704,7 @@  sub check_other_dependencies()
 	check_files_for_func("KEY_APPSELECT", "NEED_KEY_APPSELECT", "include/uapi/linux/input-event-codes.h");
 	check_files_for_func("PCI_DEVICE_SUB", "NEED_PCI_DEVICE_SUB", "include/linux/pci.h");
 	check_files_for_func("annotate_reachable", "NEED_ANNOTATE_REACHABLE", "include/linux/compiler.h");
+	check_files_for_func("U32_MAX", "NEED_U32_MAX", "include/linux/kernel.h");
 
 	# For tests for uapi-dependent logic
 	check_files_for_func_uapi("usb_endpoint_maxp", "NEED_USB_ENDPOINT_MAXP", "usb/ch9.h");