50 lines
1.6 KiB
Diff
50 lines
1.6 KiB
Diff
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From 30c712c5f14306460c44bea70e24419db9d44f8c Mon Sep 17 00:00:00 2001
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From: Nick Patavalis <npat@efault.net>
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Date: Thu, 12 Apr 2018 15:16:04 +0300
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Subject: [PATCH] Compile with libc's without cispeed / cospeed
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Some libc implementations (e.g. musl) do not define the cispeed and
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cospeed struct termios fields. So we have to check the
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_HAVE_STRUCT_TERMIOS_C_ISPEED and _HAVE_STRUCT_TERMIOS_C_OSPEED
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macros. If not defined, we disable custom baudrate support.
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[baruch: backported from upstream master to 3.1]
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Signed-off-by: Baruch Siach <baruch@tkos.co.il>
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---
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Upstream status: commit 1acf1ddabaf3
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custbaud.h | 10 +++++++++-
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1 file changed, 9 insertions(+), 1 deletion(-)
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diff --git a/custbaud.h b/custbaud.h
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index 48151a4a4e84..ae4ae8daf49e 100644
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--- a/custbaud.h
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+++ b/custbaud.h
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@@ -26,6 +26,8 @@
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#ifndef CUSTBAUD_H
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#define CUSTBAUD_H
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+#include <termios.h>
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+
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#ifndef NO_CUSTOM_BAUD
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#if defined (__linux__)
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@@ -33,7 +35,13 @@
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/* Enable by-default for kernels > 2.6.0 on x86 and x86_64 only */
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#include <linux/version.h>
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#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,0)
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-#if defined (__i386__) || defined (__x86_64__) || defined (USE_CUSTOM_BAUD)
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+/* Some libc implementations (e.g. musl) do not define the cispeed and
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+ cospeed struct termios fields. We do not support custom baudrates
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+ on them. */
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+#if ( (defined (__i386__) || defined (__x86_64__)) \
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+ && defined (_HAVE_STRUCT_TERMIOS_C_ISPEED) \
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+ && defined (_HAVE_STRUCT_TERMIOS_C_OSPEED) ) \
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+ || defined (USE_CUSTOM_BAUD)
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#ifndef USE_CUSTOM_BAUD
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#define USE_CUSTOM_BAUD
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#endif
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--
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2.16.3
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