diff options
Diffstat (limited to 'ares/m4')
| -rw-r--r-- | ares/m4/cares-functions.m4 | 190 |
1 files changed, 189 insertions, 1 deletions
diff --git a/ares/m4/cares-functions.m4 b/ares/m4/cares-functions.m4 index bfc2c0b5f..5cfc35ab3 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 25 +# serial 26 dnl CARES_INCLUDES_ARPA_INET @@ -667,6 +667,194 @@ AC_DEFUN([CARES_CHECK_FUNC_GETADDRINFO], [ ]) +dnl CARES_CHECK_FUNC_GETHOSTBYADDR +dnl ------------------------------------------------- +dnl Verify if gethostbyaddr is available, prototyped, +dnl and can be compiled. If all of these are true, +dnl and usage has not been previously disallowed with +dnl shell variable cares_disallow_gethostbyaddr, then +dnl HAVE_GETHOSTBYADDR will be defined. + +AC_DEFUN([CARES_CHECK_FUNC_GETHOSTBYADDR], [ + AC_REQUIRE([CARES_INCLUDES_WINSOCK2])dnl + AC_REQUIRE([CARES_INCLUDES_NETDB])dnl + # + tst_links_gethostbyaddr="unknown" + tst_proto_gethostbyaddr="unknown" + tst_compi_gethostbyaddr="unknown" + tst_allow_gethostbyaddr="unknown" + # + AC_MSG_CHECKING([if gethostbyaddr can be linked]) + AC_LINK_IFELSE([ + AC_LANG_PROGRAM([[ + $cares_includes_winsock2 + $cares_includes_netdb + ]],[[ + if(0 != gethostbyaddr(0, 0, 0)) + return 1; + ]]) + ],[ + AC_MSG_RESULT([yes]) + tst_links_gethostbyaddr="yes" + ],[ + AC_MSG_RESULT([no]) + tst_links_gethostbyaddr="no" + ]) + # + if test "$tst_links_gethostbyaddr" = "yes"; then + AC_MSG_CHECKING([if gethostbyaddr is prototyped]) + AC_EGREP_CPP([gethostbyaddr],[ + $cares_includes_winsock2 + $cares_includes_netdb + ],[ + AC_MSG_RESULT([yes]) + tst_proto_gethostbyaddr="yes" + ],[ + AC_MSG_RESULT([no]) + tst_proto_gethostbyaddr="no" + ]) + fi + # + if test "$tst_proto_gethostbyaddr" = "yes"; then + AC_MSG_CHECKING([if gethostbyaddr is compilable]) + AC_COMPILE_IFELSE([ + AC_LANG_PROGRAM([[ + $cares_includes_winsock2 + $cares_includes_netdb + ]],[[ + if(0 != gethostbyaddr(0, 0, 0)) + return 1; + ]]) + ],[ + AC_MSG_RESULT([yes]) + tst_compi_gethostbyaddr="yes" + ],[ + AC_MSG_RESULT([no]) + tst_compi_gethostbyaddr="no" + ]) + fi + # + if test "$tst_compi_gethostbyaddr" = "yes"; then + AC_MSG_CHECKING([if gethostbyaddr usage allowed]) + if test "x$cares_disallow_gethostbyaddr" != "xyes"; then + AC_MSG_RESULT([yes]) + tst_allow_gethostbyaddr="yes" + else + AC_MSG_RESULT([no]) + tst_allow_gethostbyaddr="no" + fi + fi + # + AC_MSG_CHECKING([if gethostbyaddr might be used]) + if test "$tst_links_gethostbyaddr" = "yes" && + test "$tst_proto_gethostbyaddr" = "yes" && + test "$tst_compi_gethostbyaddr" = "yes" && + test "$tst_allow_gethostbyaddr" = "yes"; then + AC_MSG_RESULT([yes]) + AC_DEFINE_UNQUOTED(HAVE_GETHOSTBYADDR, 1, + [Define to 1 if you have the gethostbyaddr function.]) + ac_cv_func_gethostbyaddr="yes" + else + AC_MSG_RESULT([no]) + ac_cv_func_gethostbyaddr="no" + fi +]) + + +dnl CARES_CHECK_FUNC_GETHOSTBYNAME +dnl ------------------------------------------------- +dnl Verify if gethostbyname is available, prototyped, +dnl and can be compiled. If all of these are true, +dnl and usage has not been previously disallowed with +dnl shell variable cares_disallow_gethostbyname, then +dnl HAVE_GETHOSTBYNAME will be defined. + +AC_DEFUN([CARES_CHECK_FUNC_GETHOSTBYNAME], [ + AC_REQUIRE([CARES_INCLUDES_WINSOCK2])dnl + AC_REQUIRE([CARES_INCLUDES_NETDB])dnl + # + tst_links_gethostbyname="unknown" + tst_proto_gethostbyname="unknown" + tst_compi_gethostbyname="unknown" + tst_allow_gethostbyname="unknown" + # + AC_MSG_CHECKING([if gethostbyname can be linked]) + AC_LINK_IFELSE([ + AC_LANG_PROGRAM([[ + $cares_includes_winsock2 + $cares_includes_netdb + ]],[[ + if(0 != gethostbyname(0)) + return 1; + ]]) + ],[ + AC_MSG_RESULT([yes]) + tst_links_gethostbyname="yes" + ],[ + AC_MSG_RESULT([no]) + tst_links_gethostbyname="no" + ]) + # + if test "$tst_links_gethostbyname" = "yes"; then + AC_MSG_CHECKING([if gethostbyname is prototyped]) + AC_EGREP_CPP([gethostbyname],[ + $cares_includes_winsock2 + $cares_includes_netdb + ],[ + AC_MSG_RESULT([yes]) + tst_proto_gethostbyname="yes" + ],[ + AC_MSG_RESULT([no]) + tst_proto_gethostbyname="no" + ]) + fi + # + if test "$tst_proto_gethostbyname" = "yes"; then + AC_MSG_CHECKING([if gethostbyname is compilable]) + AC_COMPILE_IFELSE([ + AC_LANG_PROGRAM([[ + $cares_includes_winsock2 + $cares_includes_netdb + ]],[[ + if(0 != gethostbyname(0)) + return 1; + ]]) + ],[ + AC_MSG_RESULT([yes]) + tst_compi_gethostbyname="yes" + ],[ + AC_MSG_RESULT([no]) + tst_compi_gethostbyname="no" + ]) + fi + # + if test "$tst_compi_gethostbyname" = "yes"; then + AC_MSG_CHECKING([if gethostbyname usage allowed]) + if test "x$cares_disallow_gethostbyname" != "xyes"; then + AC_MSG_RESULT([yes]) + tst_allow_gethostbyname="yes" + else + AC_MSG_RESULT([no]) + tst_allow_gethostbyname="no" + fi + fi + # + AC_MSG_CHECKING([if gethostbyname might be used]) + if test "$tst_links_gethostbyname" = "yes" && + test "$tst_proto_gethostbyname" = "yes" && + test "$tst_compi_gethostbyname" = "yes" && + test "$tst_allow_gethostbyname" = "yes"; then + AC_MSG_RESULT([yes]) + AC_DEFINE_UNQUOTED(HAVE_GETHOSTBYNAME, 1, + [Define to 1 if you have the gethostbyname function.]) + ac_cv_func_gethostbyname="yes" + else + AC_MSG_RESULT([no]) + ac_cv_func_gethostbyname="no" + fi +]) + + dnl CARES_CHECK_FUNC_GETHOSTNAME dnl ------------------------------------------------- dnl Verify if gethostname is available, prototyped, and |