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https://github.com/ThomasHabets/arping/pull/51
From 47622ccc97591f55899f8fff325af241b89df09f Mon Sep 17 00:00:00 2001
From: Sam James <sam@gentoo.org>
Date: Mon, 16 May 2022 06:24:27 +0000
Subject: [PATCH] configure.ac: make --disable-seccomp work
The first branch ("[action-if-given]") is taken even if --disable-seccomp
is passed. So, in that branch, check whether the user disabled it or not.
Without this, we'd get a failure when seccomp is detected but we want
to disable it:
```
./configure --disable-seccomp
[...]
checking for library containing clock_gettime... none required
configure: error: --enable-seccomp given but seccomp libraries not present
```
Signed-off-by: Sam James <sam@gentoo.org>
--- a/configure.ac
+++ b/configure.ac
@@ -35,7 +35,7 @@ AC_CHECK_LIB([pcap], [pcap_open_live], ,[AC_MSG_ERROR([libpcap not found])])
AC_SEARCH_LIBS([clock_gettime], [rt])
AC_ARG_ENABLE([seccomp], [Enable seccomp priv drops by default (-z to turn on, -Z for off)], [
- if test "$ac_cv_lib_seccomp_seccomp_init" = "no"; then
+ if test x"$enableval" != x"no" && test "$ac_cv_lib_seccomp_seccomp_init" = "no"; then
AC_MSG_ERROR([--enable-seccomp given but seccomp libraries not present])
fi
AC_DEFINE([DEFAULT_SECCOMP], [1], [Enable seccomp by default])
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