Re: [PATCH 3/4] configure: Add a proper check for sys/ioccom.h and use it in tpm_ioctl.h

[Thomas Huth <thuth@redhat.com>]

On 14/11/2020 17.56, 罗勇刚(Yonggang Luo) wrote:
> Can we check this in meson.build?

That would be nicer, indeed, but I did not spot a place where I could add my
code there ... all the other HAVE_xxx_H symbols are added in the configure
script.
Maybe Paolo or Marc-André (now on CC:) have an idea whether it could be done
easily in meson.build?, too?

 Thomas


> On Sun, Nov 15, 2020 at 12:53 AM Thomas Huth <thuth@redhat.com
> <mailto:thuth@redhat.com>> wrote:
>>
>> On Solaris and Haiku, the _IO() macros are defined in <sys/ioccom.h>.
>> Add a proper check for this header to our configure scripts, and
>> make sure to include the header in tpm_ioctl.h to fix a build failure
>> on Solaris and Haiku.
>>
>> Signed-off-by: Thomas Huth <thuth@redhat.com <mailto:thuth@redhat.com>>
>> ---
>>  backends/tpm/tpm_ioctl.h |  4 ++++
>>  configure                | 11 ++++++++++-
>>  nbd/nbd-internal.h       |  2 +-
>>  3 files changed, 15 insertions(+), 2 deletions(-)
>>
>> diff --git a/backends/tpm/tpm_ioctl.h b/backends/tpm/tpm_ioctl.h
>> index f5f5c553a9..bd6c12cb86 100644
>> --- a/backends/tpm/tpm_ioctl.h
>> +++ b/backends/tpm/tpm_ioctl.h
>> @@ -12,6 +12,10 @@
>>  #include <sys/uio.h>
>>  #include <sys/ioctl.h>
>>
>> +#ifdef HAVE_SYS_IOCCOM_H
>> +#include <sys/ioccom.h>
>> +#endif
>> +
>>  /*
>>   * Every response from a command involving a TPM command execution must hold
>>   * the ptm_res as the first element.
>> diff --git a/configure b/configure
>> index c0acda164d..764e903748 100755
>> --- a/configure
>> +++ b/configure
>> @@ -3123,6 +3123,13 @@ if check_include "sys/signal.h" ; then
>>    have_sys_signal_h=yes
>>  fi
>>
>> +#########################################
>> +# sys/ioccom.h check
>> +have_sys_ioccom_h=no
>> +if check_include "sys/ioccom.h" ; then
>> +  have_sys_ioccom_h=yes
>> +fi
>> +
>>  ##########################################
>>  # VTE probe
>>
>> @@ -6214,7 +6221,9 @@ fi
>>  if test "$have_sys_signal_h" = "yes" ; then
>>      echo "HAVE_SYS_SIGNAL_H=y" >> $config_host_mak
>>  fi
>> -
>> +if test "$have_sys_ioccom_h" = "yes" ; then
>> +    echo "HAVE_SYS_IOCCOM_H=y" >> $config_host_mak
>> +fi
>>  # Work around a system header bug with some kernel/XFS header
>>  # versions where they both try to define 'struct fsxattr':
>>  # xfs headers will not try to redefine structs from linux headers
>> diff --git a/nbd/nbd-internal.h b/nbd/nbd-internal.h
>> index 60629ef160..1b2141ab4b 100644
>> --- a/nbd/nbd-internal.h
>> +++ b/nbd/nbd-internal.h
>> @@ -19,7 +19,7 @@
>>  #ifndef _WIN32
>>  #include <sys/ioctl.h>
>>  #endif
>> -#if defined(__sun__) || defined(__HAIKU__)
>> +#ifdef HAVE_SYS_IOCCOM_H
>>  #include <sys/ioccom.h>
>>  #endif
>>
>> --
>> 2.18.4
>>
>>
> 
> 
> --
>          此致
> 礼
> 罗勇刚
> Yours
>     sincerely,
> Yonggang Luo