| 1 | # $Id: netlibs.m4,v 1.1 2004/10/24 20:48:37 jonz Exp $ |
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| 2 | # m4/netlibs.m4 |
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| 3 | # Andrew W. Nosenko <awn@bcs.zp.ua> |
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| 4 | # |
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| 5 | # DS_NETLIBS([libs_out], [action-if-found], [action-if-not-found]) |
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| 6 | # |
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| 7 | # Search for additional libraries containing inet_ntoa() and socket(). |
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| 8 | # |
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| 9 | # Typically, these are -lnsl and -lsocket for Solaris and none for |
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| 10 | # Linux. |
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| 11 | # |
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| 12 | AC_DEFUN([DS_NETLIBS], |
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| 13 | [ |
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| 14 | AS_VAR_PUSHDEF([save_LIBS], [ds_netlibs_save_LIBS]) |
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| 15 | AS_VAR_PUSHDEF([netlibs], [ds_netlibs_netlibs]) |
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| 16 | AS_VAR_PUSHDEF([success], [ds_netlibs_success]) |
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| 17 | |
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| 18 | save_LIBS="$LIBS" |
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| 19 | LIBS='' |
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| 20 | success=yes |
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| 21 | |
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| 22 | AC_SEARCH_LIBS([inet_ntoa], [nsl], [success=yes], [success=no]) |
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| 23 | if test x"$success" = xyes |
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| 24 | then |
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| 25 | AC_SEARCH_LIBS([socket], [socket], [success=yes], [success=no]) |
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| 26 | fi |
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| 27 | |
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| 28 | netlibs="$LIBS" |
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| 29 | LIBS="$save_LIBS" |
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| 30 | |
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| 31 | AS_VAR_POPDEF([save_LIBS]) |
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| 32 | AS_VAR_POPDEF([netlibs]) |
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| 33 | AS_VAR_POPDEF([success]) |
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| 34 | |
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| 35 | if test x"$ds_netlibs_success" = xyes |
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| 36 | then |
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| 37 | ifelse([$1], [], [:], [$1="$ds_netlibs_netlibs"]) |
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| 38 | ifelse([$2], [], [:], [$2]) |
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| 39 | else |
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| 40 | ifelse([$3], [], [:], [$3]) |
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| 41 | fi |
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| 42 | ]) |
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