From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Vrabel <david.vrabel@citrix.com>
Subject: Re: [PATCH 4 of 4 RFC] xl/remus: Add libnl3 dependency
 to	autoconf	scripts and libxl/Makefile
Date: Fri, 26 Jul 2013 10:56:06 +0100
Message-ID: <51F247B6.6020407@citrix.com>
References: <patchbomb.1374736166@athos.nss.cs.ubc.ca>
	<c4c05e4e4e022343935b.1374736170@athos.nss.cs.ubc.ca>
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To: Shriram Rajagopalan <rshriram@cs.ubc.ca>
Cc: Stefano Stabellini <stefano.stabellini@eu.citrix.com>, Ian Campbell <ian.campbell@citrix.com>, xen-devel@lists.xen.org
List-Id: xen-devel@lists.xenproject.org

On 25/07/13 08:09, Shriram Rajagopalan wrote:
> Add dependency on libnl3 version 3.2.17 or higher to autoconf.
> Add include flags and link to relevant libraries in tools/libxl/Makefile.
> 
> Signed-off-by: Shriram Rajagopalan <rshriram@cs.ubc.ca>
> 
> diff -r bef729fc4336 -r c4c05e4e4e02 tools/configure.ac
> --- a/tools/configure.ac	Thu Jul 25 00:02:22 2013 -0700
> +++ b/tools/configure.ac	Thu Jul 25 00:02:33 2013 -0700
> @@ -171,4 +171,12 @@ AC_SUBST(libiconv)
>  # Checks for header files.
>  AC_CHECK_HEADERS([yajl/yajl_version.h sys/eventfd.h])
>  
> +# Checks for libnl3 libraries and headers.
> +PKG_CHECK_MODULES(LIBNL3, libnl-3.0 >= 3.2.17 libnl-route-3.0 >= 3.2.17, [have_libnl3=yes], [have_libnl3=no])
> +if (test "${have_libnl3}" = "yes"); then
> +        CFLAGS+="-I$LIBNL3_CFLAGS"
> +else
> +	AC_MSG_ERROR([Need libnl version 3.2.17 or higher])
> +fi

Using pkg-config here...

>  AC_OUTPUT()
> diff -r bef729fc4336 -r c4c05e4e4e02 tools/libxl/Makefile
> --- a/tools/libxl/Makefile	Thu Jul 25 00:02:22 2013 -0700
> +++ b/tools/libxl/Makefile	Thu Jul 25 00:02:33 2013 -0700
> @@ -13,7 +13,7 @@ XLUMINOR = 0
>  
>  CFLAGS += -Werror -Wno-format-zero-length -Wmissing-declarations \
>  	-Wno-declaration-after-statement -Wformat-nonliteral
> -CFLAGS += -I. -fPIC
> +CFLAGS += -I. -fPIC -I /usr/local/include/libnl3/

Means you should need to include the -I option here.

David