kumquat-buildroot/package/libiio/0001-iiod-serial.c-fix-sparc-build.patch

From 40ffc5d9b8f6e47866292bf1365ac3a5d22cf123 Mon Sep 17 00:00:00 2001
From: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Date: Sun, 25 Sep 2022 11:19:18 +0200
Subject: [PATCH] iiod/serial.c: fix sparc build

Fix the following sparc build failure raised since version 0.24 and
https://github.com/analogdevicesinc/libiio/commit/2d3cae005f364742b3a9e7234d15b2fd2cbac664:

/home/buildroot/autobuild/instance-0/output-1/build/libiio-0.24/iiod/serial.c: In function 'serial_configure':
/home/buildroot/autobuild/instance-0/output-1/build/libiio-0.24/iiod/serial.c:99:58: error: 'B2500000' undeclared (first use in this function); did you mean 'B1500000'?
   99 | #define CASE_BPS(bps, attr) case bps: (attr)->c_cflag |= B##bps; break
      |                                                          ^
/home/buildroot/autobuild/instance-0/output-1/build/libiio-0.24/iiod/serial.c:127:9: note: in expansion of macro 'CASE_BPS'
  127 |         CASE_BPS(2500000, &tty_attrs);
      |         ^~~~~~~~
/home/buildroot/autobuild/instance-0/output-1/build/libiio-0.24/iiod/serial.c:99:58: note: each undeclared identifier is reported only once for each function it appears in
   99 | #define CASE_BPS(bps, attr) case bps: (attr)->c_cflag |= B##bps; break
      |                                                          ^
/home/buildroot/autobuild/instance-0/output-1/build/libiio-0.24/iiod/serial.c:127:9: note: in expansion of macro 'CASE_BPS'
  127 |         CASE_BPS(2500000, &tty_attrs);
      |         ^~~~~~~~
/home/buildroot/autobuild/instance-0/output-1/build/libiio-0.24/iiod/serial.c:99:58: error: 'B3000000' undeclared (first use in this function); did you mean 'B1000000'?
   99 | #define CASE_BPS(bps, attr) case bps: (attr)->c_cflag |= B##bps; break
      |                                                          ^
/home/buildroot/autobuild/instance-0/output-1/build/libiio-0.24/iiod/serial.c:128:9: note: in expansion of macro 'CASE_BPS'
  128 |         CASE_BPS(3000000, &tty_attrs);
      |         ^~~~~~~~
/home/buildroot/autobuild/instance-0/output-1/build/libiio-0.24/iiod/serial.c:99:58: error: 'B3500000' undeclared (first use in this function); did you mean 'B1500000'?
   99 | #define CASE_BPS(bps, attr) case bps: (attr)->c_cflag |= B##bps; break
      |                                                          ^
/home/buildroot/autobuild/instance-0/output-1/build/libiio-0.24/iiod/serial.c:129:9: note: in expansion of macro 'CASE_BPS'
  129 |         CASE_BPS(3500000, &tty_attrs);
      |         ^~~~~~~~
/home/buildroot/autobuild/instance-0/output-1/build/libiio-0.24/iiod/serial.c:99:58: error: 'B4000000' undeclared (first use in this function); did you mean 'B1000000'?
   99 | #define CASE_BPS(bps, attr) case bps: (attr)->c_cflag |= B##bps; break
      |                                                          ^
/home/buildroot/autobuild/instance-0/output-1/build/libiio-0.24/iiod/serial.c:130:9: note: in expansion of macro 'CASE_BPS'
  130 |         CASE_BPS(4000000, &tty_attrs);
      |         ^~~~~~~~

Fixes:
 - http://autobuild.buildroot.org/results/8a9902f6eddaab812ebce3506ed6de686f647e02

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
[yann.morin.1998@free.fr: actual backport now that upstream accepted it]
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
---
 iiod/serial.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/iiod/serial.c b/iiod/serial.c
index f829361d..b140d051 100644
--- a/iiod/serial.c
+++ b/iiod/serial.c
@@ -124,10 +124,18 @@ static int serial_configure(int fd, unsigned int uart_bps,
 	CASE_BPS(1152000, &tty_attrs);
 	CASE_BPS(1500000, &tty_attrs);
 	CASE_BPS(2000000, &tty_attrs);
+#ifdef B2500000 /* Not available on all architectures, i.e. sparc */
 	CASE_BPS(2500000, &tty_attrs);
+#endif
+#ifdef B3000000 /* Not available on all architectures, i.e. sparc */
 	CASE_BPS(3000000, &tty_attrs);
+#endif
+#ifdef B3500000 /* Not available on all architectures, i.e. sparc */
 	CASE_BPS(3500000, &tty_attrs);
+#endif
+#ifdef B4000000 /* Not available on all architectures, i.e. sparc */
 	CASE_BPS(4000000, &tty_attrs);
+#endif
 	default:
 		IIO_ERROR("Invalid baud rate\n");
 		return -EINVAL;
-- 
2.25.1