[openssh-commits] [openssh] 01/01: Check for linux/if.h when enabling rdomain.

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dtucker pushed a commit to branch master
in repository openssh.

commit 81c9ccdbf6ddbf9bfbd6f1f775a5a7c13e47e185
Author: Darren Tucker <dtucker at zip.com.au>
Date:   Fri Nov 3 14:52:51 2017 +1100

    Check for linux/if.h when enabling rdomain.
    
    musl libc doesn't seem to have linux/if.h, so check for its presence
    before enabling rdomain support on Linux.
---
 configure.ac | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/configure.ac b/configure.ac
index a739bd55..78ba25c9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -779,8 +779,9 @@ main() { if (NSVersionOfRunTimeLibrary("System") >= (60 << 16))
 		AC_DEFINE([SSH_TUN_PREPEND_AF], [1],
 		    [Prepend the address family to IP tunnel traffic])
 	fi
-	AC_DEFINE([SYS_RDOMAIN_LINUX], [1],
-		  [Support routing domains using Linux VRF])
+	AC_CHECK_HEADER([linux/if.h],
+	    AC_DEFINE([SYS_RDOMAIN_LINUX], [1],
+		[Support routing domains using Linux VRF]))
 	AC_CHECK_HEADERS([linux/seccomp.h linux/filter.h linux/audit.h], [],
 	    [], [#include <linux/types.h>])
 	AC_MSG_CHECKING([for seccomp architecture])

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