[issue41105] Add some extra content check in configure process for some empty header file who has been deprecated by glibc

[Serhiy Storchaka]

Serhiy Storchaka  added the comment:

Rather of using AC_COMPILE_IFELSE() in configure.ac, would not be easier to use 
#ifdef in the C file?

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nosy: +serhiy.storchaka

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[issue41105] Add some extra content check in configure process for some empty header file who has been deprecated by glibc

[Christian Heimes]

Christian Heimes  added the comment:

The configure script is auto-generated from configure.ac. Any chance must be 
applied to configure.ac.

We could replace the AC_CHECK_HEADERS() for stropt.h with a more elaborate 
AC_COMPILE_IFELSE() block that checks for presence of I_PUSH.

Could you please report the issue to your Linux vendor, too? The empty file 
seems to break Open Group Unix 98 standard.

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nosy: +christian.heimes

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[issue41105] Add some extra content check in configure process for some empty header file who has been deprecated by glibc

[Andrei Kulakov]

Andrei Kulakov  added the comment:

I think adding this code in the `configure` script may fix it:

as_ac_Header=`$as_echo "ac_cv_header_stropts.h" | $as_tr_sh`
ac_fn_c_check_header_mongrel "$LINENO" "stropts.h" "$as_ac_Header" 
"$ac_includes_default"
if eval test \"x\$"$as_ac_Header"\" = x"yes" && [ -s stropts.h ]; then :
  cat >>confdefs.h <<_ACEOF
#define `$as_echo "HAVE_stropts.h" | $as_tr_cpp` 1
_ACEOF
fi

here: 
https://github.com/akulakov/cpython/blob/8f24b7dbcbd83311dad510863d8cb41f0e91b464/configure#L8144

.. but I wasn't able to test it. I have a MacOS system and for me even with a 
non-empty stropts.h, configure does not pick it up.

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nosy: +andrei.avk

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[issue41105] Add some extra content check in configure process for some empty header file who has been deprecated by glibc

[Diego Alonso]

Diego Alonso  added the comment:

Yes, I have the same problem. The empty file is needed to avoid compilation 
errors in certain builds, but in this case it creates an error...

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[issue41105] Add some extra content check in configure process for some empty header file who has been deprecated by glibc

[Jiachen Yang]

Change by Jiachen Yang :


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nosy: +Jiachen Yang

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[issue41105] Add some extra content check in configure process for some empty header file who has been deprecated by glibc

[lilydjwg]

Change by lilydjwg :


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nosy: +lilydjwg

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[issue41105] Add some extra content check in configure process for some empty header file who has been deprecated by glibc

[Manjusaka]

Change by Manjusaka :


--
title: Add some extra content check  for some who has been deprecated by glibc 
-> Add some extra content check  in configure process for some empty header 
file who has been deprecated by glibc

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