[LTP] [PATCH] README: Add missing configure in openposix step

[xuyang2018.jy@fujitsu.com]

Hi Petr

> Hi Xu,
> 
> [ Cc Joerg ]
> 
>> Since 8071ba7("openposix: Setup autoconf and fix installation layout")
>> , we need to use configure firstly.
> 
> nit: there should be Fixes: below:
> Fixes: 8071ba7 ("openposix: Setup autoconf and fix installation layout")
> 
> Then you can use just 8071ba7 in the text.
> 
>> Signed-off-by: Yang Xu <xuyang2018.jy@fujitsu.com>
>> ---
>>   README.md | 6 ++++--
>>   1 file changed, 4 insertions(+), 2 deletions(-)
> 
>> diff --git a/README.md b/README.md
>> index d45d1ee44..d0ca5f4d4 100644
>> --- a/README.md
>> +++ b/README.md
>> @@ -79,11 +79,13 @@ $ cd ../commands/foo
>>   $ PATH=$PATH:$PWD:$PWD/../../lib/ ./foo01.sh
>>   ```
> 
>> -Open Posix Testsuite has it's own build system which needs Makefiles to be
>> -generated first, then compilation should work in subdirectories as well.
>> +Open Posix Testsuite has it's own configure and build system which needs
>> +Makefiles to be generated first, then compilation should work in subdirectories
>> +as well.
> 
>>   ```
>>   $ cd testcases/open_posix_testsuite/
> 
> You miss:
> $ make autotools
> as this creates configure
> 
>> +$ ./configure
> But if you run make autotools && ./configure in the top level, none of these two
> is needed to be run in open posix directory.

I have called them on top directory, but configure still be needed in 
open posix directory.

Best Regards
Yang Xu

  Maybe document it (not sure about
> the comments)?
> 
> $ [ -f ./configure ] || make autotools # not needed if run in the top level
> $ [ -f include/mk/config.mk ] || ./configure # not needed if the top level configure is run
> 
> Kind regards,
> Petr
> 
>>   $ make generate-makefiles
>>   $ cd conformance/interfaces/foo
>>   $ make