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Check which getprotobynumber_r() variant to use

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This commit is contained in:
Gerhard Rieger 2021-11-21 11:15:08 +01:00
parent 33a5019b18
commit ffa09eac00
3 changed files with 27 additions and 4 deletions

19
configure.ac
View file

@ -134,6 +134,23 @@ if test $sc_cv_have_prototype_hstrerror = yes; then
fi
AC_MSG_RESULT($sc_cv_have_prototype_hstrerror)
# getprotobynumber_r() is not standardized
AC_MSG_CHECKING(for getprotobynumber_r() variant)
AC_CACHE_VAL(sc_cv_getprotobynumber_r,
[AC_TRY_COMPILE([#include <stddef.h>
#include <netdb.h>],[getprotobynumber_r(1,NULL,NULL,1024,NULL);],
[sc_cv_getprotobynumber_r=1; tmp_bynum_variant=Linux],
[AC_TRY_COMPILE([#include <stddef.h>
#include <netdb.h>],[getprotobynumber_r(1,NULL,NULL,1024);],
[sc_cv_getprotobynumber_r=2; tmp_bynum_variant=Solaris],
# there is a 3 arg variant in AIX, but its doc is limited
[sc_cv_getprotobynumber_r=]
)])])
if test "$sc_cv_getprotobynumber_r"; then
AC_DEFINE_UNQUOTED(HAVE_GETPROTOBYNUMBER_R, $sc_cv_getprotobynumber_r)
fi
AC_MSG_RESULT($sc_cv_getprotobynumber_r /* $tmp_bynum_variant */)
AC_MSG_CHECKING(whether to include help)
AC_ARG_ENABLE(help, [ --disable-help disable help],
@ -811,7 +828,7 @@ AC_TYPE_SIGNAL
AC_FUNC_STRFTIME
AC_CHECK_FUNCS(putenv select pselect poll socket strtod strtol)
AC_CHECK_FUNCS(strtoul uname getpgid getsid gethostbyname getaddrinfo)
AC_CHECK_FUNCS(getprotobynumber getprotobynumber_r)
AC_CHECK_FUNCS(getprotobynumber)
AC_CHECK_FUNCS(setgroups inet_aton)
AC_CHECK_FUNCS(grantpt unlockpt)