Hello,
On 2020/07/13 19:32, Desouza, Ederson wrote:
> Hi,
>
> On Mon, 2020-07-13 at 16:45 -0400, John Rama wrote:
>> Hello expert
>>
>> I'm now trying to evalute avtp plugin of gst-plugins-bad, however I can not
>> build avtp plugin successfully because meson can not find "strut sock_txtime"
>> in "linux/net_tstamp.h" of my system.
>>
>> I'm using the custom build kernel of 4.19.0 and it's headers are installed at
>> /usr/src/linux-headers-4.19.0
>>
>> Question is how can I tell meson to look for /usr/src/linux-headers-4.19.0 ??
>>
>> Really appreciated your help !!
>>
>> ============================================================
>>
>> # What I tried
>> I tried followings, but meson can not detect "strut sock_txtime" in "linux/net_tstamp.h".
>> 1. export C_INCLUDE_PATH="/usr/src/linux-headers-4.19.0"
>> to add /usr/src/linux-headers-4.19.0 for default search path.
>> $cc -E -v -
>> ...
>> #include <...> search starts here:
>> /usr/src/linux-headers-4.19.0
>> /usr/lib/gcc/x86_64-linux-gnu/6/include
>> /usr/local/include
>> /usr/lib/gcc/x86_64-linux-gnu/6/include-fixed
>> /usr/include/x86_64-linux-gnu
>> /usr/include
>> End of search list.
>> 2. add following line in gst-plugins-bad/ext/avtp/meson.build
>> include_directories('/usr/src/linux-headers-4.19.0/')
>>
>> # environment
>> I'm using master of gst-build.
>>
>> the version of meson and ninja is as following.
>> $meson --version
>> 0.53.1
>> $ ninja --version
>> 17.7.2
>>
>> # how to build
>> $meson build
>
> Did you try something like `CFLAGS='-I/usr/src/linux-headers-4.19.0' meson build`?
>
Yes, I tried but no success..
>>
>> $ninja -C build
>>
>> # Log of "meson build"
>> |Dependency avtp from subproject subprojects/avtp found: YES 0.1.0
>> |Checking for type "struct sock_txtime" : NO
>>
>> # The code of gst-plugins-bad/ext/avtp/meson.build
>> if avtp_dep.found() and cc.has_type('struct sock_txtime', prefix : '#include <linux/net_tstamp.h>')
>> gstavtp = library('gstavtp', avtp_sources,
>> .....
>> )
>>
>> ============================================================
>> John Rama
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