kc3-lang/gnulib/m4/net_if_h.m4

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• Hash : b744688d
  Author :
  Date : 2024-04-04T11:16:15
  

  Make the serial numbers in *.m4 files effective.
  
  Reported by Sam James in
  <https://lists.gnu.org/archive/html/bug-gnulib/2024-04/msg00051.html>.
  
  * m4/*.m4: Apply sed -e '1s|^# \(.*[.]m4\) serial |# \1\n# serial |'.
  

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• m4/net_if_h.m4

• # net_if_h.m4
  # serial 2
  dnl Copyright (C) 2006-2024 Free Software Foundation, Inc.
  dnl This file is free software; the Free Software Foundation
  dnl gives unlimited permission to copy and/or distribute it,
  dnl with or without modifications, as long as this notice is preserved.
  
  AC_DEFUN([gl_HEADER_NET_IF],
  [
    AC_CACHE_CHECK([whether <net/if.h> is self-contained],
      [gl_cv_header_net_if_h_selfcontained],
      [
        AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <net/if.h>]],
                                           [[struct if_nameindex ni;]])],
          [gl_cv_header_net_if_h_selfcontained=yes],
          [gl_cv_header_net_if_h_selfcontained=no])
      ])
    if test $gl_cv_header_net_if_h_selfcontained = yes; then
      GL_GENERATE_NET_IF_H=false
    else
      GL_GENERATE_NET_IF_H=true
      AC_CHECK_HEADERS([net/if.h], [], [], [[#include <sys/socket.h>]])
      gl_NEXT_HEADERS([net/if.h])
      if test $ac_cv_header_net_if_h = yes; then
        HAVE_NET_IF_H=1
      else
        HAVE_NET_IF_H=0
      fi
      AC_SUBST([HAVE_NET_IF_H])
    fi
  ])
  

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