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https://sigrok.org/gitweb/?p=libserialport.git;a=commitdiff;h=6f9b03e597ea7200eb616a4e410add3dd1690cb1
https://sigrok.org/bugzilla/show_bug.cgi?id=1687
https://bugs.gentoo.org/813273
Fixes runtime breakage with newer kernels.
From: Karl Palsson <karlp@etactica.com>
Date: Fri, 11 Jun 2021 17:07:09 +0000
Subject: [PATCH] HACK: don't even check for termiox
termiox was removed from linux in e0efb3168d34
Some more information available in https://www.spinics.net/lists/linux-serial/msg41926.html
Attempting to use the termiox ioctls on more modern kernels results in
"Inappropriate IOCTL" errors.
While the "right" solution might be to remove the termiox code from the
linux path, simply not checking for termiox builds a libserialport that
functions on modern linux kernels.
Signed-off-by: Karl Palsson <karlp@etactica.com>
--- a/configure.ac
+++ b/configure.ac
@@ -112,7 +112,7 @@ AC_SYS_LARGEFILE
AC_TYPE_SIZE_T
# Check for specific termios structures.
-AC_CHECK_TYPES([struct termios2, struct termiox],,,
+AC_CHECK_TYPES([struct termios2],,,
[[#include <linux/termios.h>]])
AC_CHECK_MEMBERS([struct termios.c_ispeed, struct termios.c_ospeed,
struct termios2.c_ispeed, struct termios2.c_ospeed],,,
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