diff options
| -rw-r--r-- | build-aux/m4/l_socket.m4 | 36 | ||||
| -rw-r--r-- | configure.ac | 2 |
2 files changed, 37 insertions, 1 deletions
diff --git a/build-aux/m4/l_socket.m4 b/build-aux/m4/l_socket.m4 new file mode 100644 index 0000000000..38923a98fc --- /dev/null +++ b/build-aux/m4/l_socket.m4 @@ -0,0 +1,36 @@ +# Illumos/SmartOS requires linking with -lsocket if +# using getifaddrs & freeifaddrs + +m4_define([_CHECK_SOCKET_testbody], [[ + #include <sys/types.h> + #include <ifaddrs.h> + + int main() { + struct ifaddrs *ifaddr; + getifaddrs(&ifaddr); + freeifaddrs(ifaddr); + } +]]) + +AC_DEFUN([CHECK_SOCKET], [ + + AC_LANG_PUSH(C++) + + AC_MSG_CHECKING([whether ifaddrs funcs can be used without link library]) + + AC_LINK_IFELSE([AC_LANG_SOURCE([_CHECK_SOCKET_testbody])],[ + AC_MSG_RESULT([yes]) + ],[ + AC_MSG_RESULT([no]) + LIBS="$LIBS -lsocket" + AC_MSG_CHECKING([whether getifaddrs needs -lsocket]) + AC_LINK_IFELSE([AC_LANG_SOURCE([_CHECK_SOCKET_testbody])],[ + AC_MSG_RESULT([yes]) + ],[ + AC_MSG_RESULT([no]) + AC_MSG_FAILURE([cannot figure out how to use getifaddrs]) + ]) + ]) + + AC_LANG_POP +]) diff --git a/configure.ac b/configure.ac index 9ac2643374..c3eabad131 100644 --- a/configure.ac +++ b/configure.ac @@ -936,7 +936,7 @@ fi AC_CHECK_HEADERS([endian.h sys/endian.h byteswap.h stdio.h stdlib.h unistd.h strings.h sys/types.h sys/stat.h sys/select.h sys/prctl.h sys/sysctl.h vm/vm_param.h sys/vmmeter.h sys/resources.h]) -AC_CHECK_DECLS([getifaddrs, freeifaddrs],,, +AC_CHECK_DECLS([getifaddrs, freeifaddrs],[CHECK_SOCKET],, [#include <sys/types.h> #include <ifaddrs.h>] ) |