From: Shriram Rajagopalan <rshriram@cs.ubc.ca>
To: David Vrabel <david.vrabel@citrix.com>
Cc: Stefano Stabellini <stefano.stabellini@eu.citrix.com>,
Ian Campbell <ian.campbell@citrix.com>,
"xen-devel@lists.xen.org" <xen-devel@lists.xen.org>
Subject: Re: [PATCH 4 of 4 RFC] xl/remus: Add libnl3 dependency to autoconf scripts and libxl/Makefile
Date: Fri, 26 Jul 2013 09:56:42 -0400 [thread overview]
Message-ID: <CAP8mzPNnS4PQt7qmXD7XXM8+hOXo9He3s_v2r4RE-GnbZJhDSA@mail.gmail.com> (raw)
In-Reply-To: <51F247B6.6020407@citrix.com>
On Fri, Jul 26, 2013 at 5:56 AM, David Vrabel <david.vrabel@citrix.com> wrote:
> 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...
>
The pkg-config idea was based on the suggestion here
http://www.carisma.slowglass.com/~tgr/libnl/doc/core.html#_linking_to_this_library
If I use AC_CHECK_LIB and AC_CHECK_HEADERS, would it automatically add the
include path to CFLAGS, such that I wouldnt have to manually specify
-I flags in libxl/Makefile ?
>> 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
>
next prev parent reply other threads:[~2013-07-26 13:56 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-25 7:09 [PATCH 0 of 4 RFC] xl - Remus network buffering support Shriram Rajagopalan
2013-07-25 7:09 ` [PATCH 1 of 4 RFC] xl/remus : Network buffering setup helper functions Shriram Rajagopalan
2013-07-29 15:42 ` Ian Campbell
2013-07-29 18:00 ` Shriram Rajagopalan
2013-07-30 10:44 ` Ian Campbell
2013-07-25 7:09 ` [PATCH 2 of 4 RFC] xl/remus: Network buffering cmdline switch, setup/teardown Shriram Rajagopalan
2013-07-29 15:49 ` Ian Campbell
2013-07-29 19:00 ` Shriram Rajagopalan
2013-07-30 10:50 ` Ian Campbell
2013-07-30 15:25 ` Shriram Rajagopalan
2013-07-30 15:39 ` Ian Campbell
2013-07-25 7:09 ` [PATCH 3 of 4 RFC] xl/remus: Control network buffering in remus callbacks Shriram Rajagopalan
2013-07-29 16:06 ` Ian Campbell
2013-08-07 15:41 ` Ian Jackson
2013-08-07 15:38 ` Ian Jackson
2013-08-07 21:51 ` Shriram Rajagopalan
2013-08-08 11:07 ` Ian Jackson
2013-07-25 7:09 ` [PATCH 4 of 4 RFC] xl/remus: Add libnl3 dependency to autoconf scripts and libxl/Makefile Shriram Rajagopalan
2013-07-26 9:44 ` Wen Congyang
2013-07-26 13:51 ` Shriram Rajagopalan
2013-07-26 9:56 ` David Vrabel
2013-07-26 13:56 ` Shriram Rajagopalan [this message]
2013-07-29 5:58 ` Wen Congyang
2013-07-29 13:07 ` Shriram Rajagopalan
2013-07-29 15:41 ` David Vrabel
2013-07-30 16:11 ` [PATCH 0 of 4 RFC] xl - Remus network buffering support Roger Pau Monné
2013-07-31 8:33 ` Ian Campbell
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