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Description: Only compile sysctl code if sysctl exists
The sysctl syscall is not present on arm64, so disable parts of the code which
require it if it's not present.
Author: James Cowgill <jcowgill@debian.org>
Bug-Debian: https://bugs.debian.org/770819
---
This patch header follows DEP-3: http://dep.debian.net/deps/dep3/
--- a/libexplain/buffer/enfile.c
+++ b/libexplain/buffer/enfile.c
@@ -38,7 +38,7 @@ get_maxfile(void)
{
if (explain_option_dialect_specific())
{
-#ifdef __linux__
+#if defined(__linux__) && defined(SYS__sysctl)
/*
* In the linux kernel, if get_empty_filp() returns NULL, the open
* system call (and others) will return ENFILE.
--- a/libexplain/buffer/errno/listen.c
+++ b/libexplain/buffer/errno/listen.c
@@ -72,7 +72,7 @@ append_getsockname(explain_string_buffer
static int
get_somaxconn(void)
{
-#ifdef __linux__
+#if defined(__linux__) && defined(SYS__sysctl)
struct __sysctl_args args;
long somaxconn;
size_t somaxconn_size = sizeof(somaxconn);
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