diff options
Diffstat (limited to 'ares/m4')
| -rw-r--r-- | ares/m4/cares-functions.m4 | 215 |
1 files changed, 214 insertions, 1 deletions
diff --git a/ares/m4/cares-functions.m4 b/ares/m4/cares-functions.m4 index 10bbdbe4c..40545d940 100644 --- a/ares/m4/cares-functions.m4 +++ b/ares/m4/cares-functions.m4 @@ -16,7 +16,7 @@ #*************************************************************************** # File version for 'aclocal' use. Keep it a single number. -# serial 29 +# serial 30 dnl CARES_INCLUDES_ARPA_INET @@ -91,6 +91,27 @@ cares_includes_netdb="\ ]) +dnl CARES_INCLUDES_SOCKET +dnl ------------------------------------------------- +dnl Set up variable with list of headers that must be +dnl included when socket.h is to be included. + +AC_DEFUN([CARES_INCLUDES_SOCKET], [ +cares_includes_socket="\ +/* includes start */ +#ifdef HAVE_SYS_TYPES_H +# include <sys/types.h> +#endif +#ifdef HAVE_SOCKET_H +# include <socket.h> +#endif +/* includes end */" + AC_CHECK_HEADERS( + sys/types.h socket.h, + [], [], [$cares_includes_socket]) +]) + + dnl CARES_INCLUDES_STDLIB dnl ------------------------------------------------- dnl Set up variable with list of headers that must be @@ -319,6 +340,100 @@ cares_preprocess_callconv="\ ]) +dnl CARES_CHECK_FUNC_CLOSESOCKET +dnl ------------------------------------------------- +dnl Verify if closesocket is available, prototyped, and +dnl can be compiled. If all of these are true, and +dnl usage has not been previously disallowed with +dnl shell variable cares_disallow_closesocket, then +dnl HAVE_CLOSESOCKET will be defined. + +AC_DEFUN([CARES_CHECK_FUNC_CLOSESOCKET], [ + AC_REQUIRE([CARES_INCLUDES_WINSOCK2])dnl + AC_REQUIRE([CARES_INCLUDES_SOCKET])dnl + # + tst_links_closesocket="unknown" + tst_proto_closesocket="unknown" + tst_compi_closesocket="unknown" + tst_allow_closesocket="unknown" + # + AC_MSG_CHECKING([if closesocket can be linked]) + AC_LINK_IFELSE([ + AC_LANG_PROGRAM([[ + $cares_includes_winsock2 + $cares_includes_socket + ]],[[ + if(0 != closesocket(0)) + return 1; + ]]) + ],[ + AC_MSG_RESULT([yes]) + tst_links_closesocket="yes" + ],[ + AC_MSG_RESULT([no]) + tst_links_closesocket="no" + ]) + # + if test "$tst_links_closesocket" = "yes"; then + AC_MSG_CHECKING([if closesocket is prototyped]) + AC_EGREP_CPP([closesocket],[ + $cares_includes_winsock2 + $cares_includes_socket + ],[ + AC_MSG_RESULT([yes]) + tst_proto_closesocket="yes" + ],[ + AC_MSG_RESULT([no]) + tst_proto_closesocket="no" + ]) + fi + # + if test "$tst_proto_closesocket" = "yes"; then + AC_MSG_CHECKING([if closesocket is compilable]) + AC_COMPILE_IFELSE([ + AC_LANG_PROGRAM([[ + $cares_includes_winsock2 + $cares_includes_socket + ]],[[ + if(0 != closesocket(0)) + return 1; + ]]) + ],[ + AC_MSG_RESULT([yes]) + tst_compi_closesocket="yes" + ],[ + AC_MSG_RESULT([no]) + tst_compi_closesocket="no" + ]) + fi + # + if test "$tst_compi_closesocket" = "yes"; then + AC_MSG_CHECKING([if closesocket usage allowed]) + if test "x$cares_disallow_closesocket" != "xyes"; then + AC_MSG_RESULT([yes]) + tst_allow_closesocket="yes" + else + AC_MSG_RESULT([no]) + tst_allow_closesocket="no" + fi + fi + # + AC_MSG_CHECKING([if closesocket might be used]) + if test "$tst_links_closesocket" = "yes" && + test "$tst_proto_closesocket" = "yes" && + test "$tst_compi_closesocket" = "yes" && + test "$tst_allow_closesocket" = "yes"; then + AC_MSG_RESULT([yes]) + AC_DEFINE_UNQUOTED(HAVE_CLOSESOCKET, 1, + [Define to 1 if you have the closesocket function.]) + ac_cv_func_closesocket="yes" + else + AC_MSG_RESULT([no]) + ac_cv_func_closesocket="no" + fi +]) + + dnl CARES_CHECK_FUNC_FCNTL dnl ------------------------------------------------- dnl Verify if fcntl is available, prototyped, and @@ -2074,6 +2189,104 @@ AC_DEFUN([CARES_CHECK_FUNC_SETSOCKOPT_SO_NONBLOCK], [ ]) +dnl CARES_CHECK_FUNC_SOCKET +dnl ------------------------------------------------- +dnl Verify if socket is available, prototyped, and +dnl can be compiled. If all of these are true, and +dnl usage has not been previously disallowed with +dnl shell variable cares_disallow_socket, then +dnl HAVE_SOCKET will be defined. + +AC_DEFUN([CARES_CHECK_FUNC_SOCKET], [ + AC_REQUIRE([CARES_INCLUDES_WINSOCK2])dnl + AC_REQUIRE([CARES_INCLUDES_SYS_SOCKET])dnl + AC_REQUIRE([CARES_INCLUDES_SOCKET])dnl + # + tst_links_socket="unknown" + tst_proto_socket="unknown" + tst_compi_socket="unknown" + tst_allow_socket="unknown" + # + AC_MSG_CHECKING([if socket can be linked]) + AC_LINK_IFELSE([ + AC_LANG_PROGRAM([[ + $cares_includes_winsock2 + $cares_includes_sys_socket + $cares_includes_socket + ]],[[ + if(0 != socket(0, 0, 0)) + return 1; + ]]) + ],[ + AC_MSG_RESULT([yes]) + tst_links_socket="yes" + ],[ + AC_MSG_RESULT([no]) + tst_links_socket="no" + ]) + # + if test "$tst_links_socket" = "yes"; then + AC_MSG_CHECKING([if socket is prototyped]) + AC_EGREP_CPP([socket],[ + $cares_includes_winsock2 + $cares_includes_sys_socket + $cares_includes_socket + ],[ + AC_MSG_RESULT([yes]) + tst_proto_socket="yes" + ],[ + AC_MSG_RESULT([no]) + tst_proto_socket="no" + ]) + fi + # + if test "$tst_proto_socket" = "yes"; then + AC_MSG_CHECKING([if socket is compilable]) + AC_COMPILE_IFELSE([ + AC_LANG_PROGRAM([[ + $cares_includes_winsock2 + $cares_includes_sys_socket + $cares_includes_socket + ]],[[ + if(0 != socket(0, 0, 0)) + return 1; + ]]) + ],[ + AC_MSG_RESULT([yes]) + tst_compi_socket="yes" + ],[ + AC_MSG_RESULT([no]) + tst_compi_socket="no" + ]) + fi + # + if test "$tst_compi_socket" = "yes"; then + AC_MSG_CHECKING([if socket usage allowed]) + if test "x$cares_disallow_socket" != "xyes"; then + AC_MSG_RESULT([yes]) + tst_allow_socket="yes" + else + AC_MSG_RESULT([no]) + tst_allow_socket="no" + fi + fi + # + AC_MSG_CHECKING([if socket might be used]) + if test "$tst_links_socket" = "yes" && + test "$tst_proto_socket" = "yes" && + test "$tst_compi_socket" = "yes" && + test "$tst_allow_socket" = "yes"; then + AC_MSG_RESULT([yes]) + AC_DEFINE_UNQUOTED(HAVE_SOCKET, 1, + [Define to 1 if you have the socket function.]) + ac_cv_func_socket="yes" + else + AC_MSG_RESULT([no]) + ac_cv_func_socket="no" + fi +]) + + dnl CARES_CHECK_FUNC_STRCASECMP dnl ------------------------------------------------- dnl Verify if strcasecmp is available, prototyped, and |