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37 lines
855 B
37 lines
855 B
# Illumos/SmartOS requires linking with -lsocket if
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# using getifaddrs & freeifaddrs
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m4_define([_CHECK_SOCKET_testbody], [[
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#include <sys/types.h>
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#include <ifaddrs.h>
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int main() {
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struct ifaddrs *ifaddr;
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getifaddrs(&ifaddr);
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freeifaddrs(ifaddr);
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}
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]])
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AC_DEFUN([CHECK_SOCKET], [
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AC_LANG_PUSH(C++)
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AC_MSG_CHECKING([whether ifaddrs funcs can be used without link library])
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AC_LINK_IFELSE([AC_LANG_SOURCE([_CHECK_SOCKET_testbody])],[
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AC_MSG_RESULT([yes])
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],[
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AC_MSG_RESULT([no])
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LIBS="$LIBS -lsocket"
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AC_MSG_CHECKING([whether getifaddrs needs -lsocket])
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AC_LINK_IFELSE([AC_LANG_SOURCE([_CHECK_SOCKET_testbody])],[
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AC_MSG_RESULT([yes])
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],[
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AC_MSG_RESULT([no])
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AC_MSG_FAILURE([cannot figure out how to use getifaddrs])
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])
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])
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AC_LANG_POP
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])
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