diff options
Diffstat (limited to 'm4')
| -rw-r--r-- | m4/curl-functions.m4 | 227 |
1 files changed, 226 insertions, 1 deletions
diff --git a/m4/curl-functions.m4 b/m4/curl-functions.m4 index 619b9e11f..9b0d08018 100644 --- a/m4/curl-functions.m4 +++ b/m4/curl-functions.m4 @@ -22,7 +22,7 @@ #*************************************************************************** # File version for 'aclocal' use. Keep it a single number. -# serial 33 +# serial 34 dnl CURL_INCLUDES_ARPA_INET @@ -52,6 +52,33 @@ curl_includes_arpa_inet="\ ]) +dnl CURL_INCLUDES_IFADDRS +dnl ------------------------------------------------- +dnl Set up variable with list of headers that must be +dnl included when ifaddrs.h is to be included. + +AC_DEFUN([CURL_INCLUDES_IFADDRS], [ +curl_includes_ifaddrs="\ +/* includes start */ +#ifdef HAVE_SYS_TYPES_H +# include <sys/types.h> +#endif +#ifdef HAVE_SYS_SOCKET_H +# include <sys/socket.h> +#endif +#ifdef HAVE_NETINET_IN_H +# include <netinet/in.h> +#endif +#ifdef HAVE_IFADDRS_H +# include <ifaddrs.h> +#endif +/* includes end */" + AC_CHECK_HEADERS( + sys/types.h sys/socket.h netinet/in.h ifaddrs.h, + [], [], [$curl_includes_ifaddrs]) +]) + + dnl CURL_INCLUDES_NETDB dnl ------------------------------------------------- dnl Set up variable with list of headers that must be @@ -594,6 +621,90 @@ AC_DEFUN([CURL_CHECK_FUNC_FREEADDRINFO], [ ]) +dnl CURL_CHECK_FUNC_FREEIFADDRS +dnl ------------------------------------------------- +dnl Verify if freeifaddrs is available, prototyped, and +dnl can be compiled. If all of these are true, and +dnl usage has not been previously disallowed with +dnl shell variable curl_disallow_freeifaddrs, then +dnl HAVE_FREEIFADDRS will be defined. + +AC_DEFUN([CURL_CHECK_FUNC_FREEIFADDRS], [ + AC_REQUIRE([CURL_INCLUDES_IFADDRS])dnl + # + tst_links_freeifaddrs="unknown" + tst_proto_freeifaddrs="unknown" + tst_compi_freeifaddrs="unknown" + tst_allow_freeifaddrs="unknown" + # + AC_MSG_CHECKING([if freeifaddrs can be linked]) + AC_LINK_IFELSE([ + AC_LANG_FUNC_LINK_TRY([freeifaddrs]) + ],[ + AC_MSG_RESULT([yes]) + tst_links_freeifaddrs="yes" + ],[ + AC_MSG_RESULT([no]) + tst_links_freeifaddrs="no" + ]) + # + if test "$tst_links_freeifaddrs" = "yes"; then + AC_MSG_CHECKING([if freeifaddrs is prototyped]) + AC_EGREP_CPP([freeifaddrs],[ + $curl_includes_ifaddrs + ],[ + AC_MSG_RESULT([yes]) + tst_proto_freeifaddrs="yes" + ],[ + AC_MSG_RESULT([no]) + tst_proto_freeifaddrs="no" + ]) + fi + # + if test "$tst_proto_freeifaddrs" = "yes"; then + AC_MSG_CHECKING([if freeifaddrs is compilable]) + AC_COMPILE_IFELSE([ + AC_LANG_PROGRAM([[ + $curl_includes_ifaddrs + ]],[[ + freeifaddrs(0); + ]]) + ],[ + AC_MSG_RESULT([yes]) + tst_compi_freeifaddrs="yes" + ],[ + AC_MSG_RESULT([no]) + tst_compi_freeifaddrs="no" + ]) + fi + # + if test "$tst_compi_freeifaddrs" = "yes"; then + AC_MSG_CHECKING([if freeifaddrs usage allowed]) + if test "x$curl_disallow_freeifaddrs" != "xyes"; then + AC_MSG_RESULT([yes]) + tst_allow_freeifaddrs="yes" + else + AC_MSG_RESULT([no]) + tst_allow_freeifaddrs="no" + fi + fi + # + AC_MSG_CHECKING([if freeifaddrs might be used]) + if test "$tst_links_freeifaddrs" = "yes" && + test "$tst_proto_freeifaddrs" = "yes" && + test "$tst_compi_freeifaddrs" = "yes" && + test "$tst_allow_freeifaddrs" = "yes"; then + AC_MSG_RESULT([yes]) + AC_DEFINE_UNQUOTED(HAVE_FREEIFADDRS, 1, + [Define to 1 if you have the freeifaddrs function.]) + ac_cv_func_freeifaddrs="yes" + else + AC_MSG_RESULT([no]) + ac_cv_func_freeifaddrs="no" + fi +]) + + dnl CURL_CHECK_FUNC_FTRUNCATE dnl ------------------------------------------------- dnl Verify if ftruncate is available, prototyped, and @@ -1193,6 +1304,120 @@ AC_DEFUN([CURL_CHECK_FUNC_GETHOSTNAME], [ ]) +dnl CURL_CHECK_FUNC_GETIFADDRS +dnl ------------------------------------------------- +dnl Verify if getifaddrs is available, prototyped, can +dnl be compiled and seems to work. If all of these are +dnl true, and usage has not been previously disallowed +dnl with shell variable curl_disallow_getifaddrs, then +dnl HAVE_GETIFADDRS will be defined. + +AC_DEFUN([CURL_CHECK_FUNC_GETIFADDRS], [ + AC_REQUIRE([CURL_INCLUDES_IFADDRS])dnl + # + tst_links_getifaddrs="unknown" + tst_proto_getifaddrs="unknown" + tst_compi_getifaddrs="unknown" + tst_works_getifaddrs="unknown" + tst_allow_getifaddrs="unknown" + # + AC_MSG_CHECKING([if getifaddrs can be linked]) + AC_LINK_IFELSE([ + AC_LANG_FUNC_LINK_TRY([getifaddrs]) + ],[ + AC_MSG_RESULT([yes]) + tst_links_getifaddrs="yes" + ],[ + AC_MSG_RESULT([no]) + tst_links_getifaddrs="no" + ]) + # + if test "$tst_links_getifaddrs" = "yes"; then + AC_MSG_CHECKING([if getifaddrs is prototyped]) + AC_EGREP_CPP([getifaddrs],[ + $curl_includes_ifaddrs + ],[ + AC_MSG_RESULT([yes]) + tst_proto_getifaddrs="yes" + ],[ + AC_MSG_RESULT([no]) + tst_proto_getifaddrs="no" + ]) + fi + # + if test "$tst_proto_getifaddrs" = "yes"; then + AC_MSG_CHECKING([if getifaddrs is compilable]) + AC_COMPILE_IFELSE([ + AC_LANG_PROGRAM([[ + $curl_includes_ifaddrs + ]],[[ + if(0 != getifaddrs(0)) + return 1; + ]]) + ],[ + AC_MSG_RESULT([yes]) + tst_compi_getifaddrs="yes" + ],[ + AC_MSG_RESULT([no]) + tst_compi_getifaddrs="no" + ]) + fi + # + dnl only do runtime verification when not cross-compiling + if test "x$cross_compiling" != "xyes" && + test "$tst_compi_getifaddrs" = "yes"; then + AC_MSG_CHECKING([if getifaddrs seems to work]) + AC_RUN_IFELSE([ + AC_LANG_PROGRAM([[ + $curl_includes_ifaddrs + ]],[[ + struct ifaddrs *ifa = 0; + int error; + + error = getifaddrs(&ifa); + if(error || !ifa) + exit(1); /* fail */ + else + exit(0); + ]]) + ],[ + AC_MSG_RESULT([yes]) + tst_works_getifaddrs="yes" + ],[ + AC_MSG_RESULT([no]) + tst_works_getifaddrs="no" + ]) + fi + # + if test "$tst_compi_getifaddrs" = "yes" && + test "$tst_works_getifaddrs" != "no"; then + AC_MSG_CHECKING([if getifaddrs usage allowed]) + if test "x$curl_disallow_getifaddrs" != "xyes"; then + AC_MSG_RESULT([yes]) + tst_allow_getifaddrs="yes" + else + AC_MSG_RESULT([no]) + tst_allow_getifaddrs="no" + fi + fi + # + AC_MSG_CHECKING([if getifaddrs might be used]) + if test "$tst_links_getifaddrs" = "yes" && + test "$tst_proto_getifaddrs" = "yes" && + test "$tst_compi_getifaddrs" = "yes" && + test "$tst_allow_getifaddrs" = "yes" && + test "$tst_works_getifaddrs" != "no"; then + AC_MSG_RESULT([yes]) + AC_DEFINE_UNQUOTED(HAVE_GETIFADDRS, 1, + [Define to 1 if you have a working getifaddrs function.]) + ac_cv_func_getifaddrs="yes" + else + AC_MSG_RESULT([no]) + ac_cv_func_getifaddrs="no" + fi +]) + + dnl CURL_CHECK_FUNC_GETSERVBYPORT_R dnl ------------------------------------------------- dnl Verify if getservbyport_r is available, prototyped, |