diff options
Diffstat (limited to 'ares/acinclude.m4')
-rw-r--r-- | ares/acinclude.m4 | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/ares/acinclude.m4 b/ares/acinclude.m4 index bd3998563..95ab7a3d8 100644 --- a/ares/acinclude.m4 +++ b/ares/acinclude.m4 @@ -1049,6 +1049,152 @@ AC_DEFUN([CURL_CHECK_FUNC_SEND], [ ]) # AC_DEFUN +dnl CURL_CHECK_FUNC_RECVFROM +dnl ------------------------------------------------- +dnl Test if the socket recvfrom() function is available, +dnl and check its return type and the types of its +dnl arguments. If the function succeeds HAVE_RECVFROM +dnl will be defined, defining the types of the arguments +dnl in RECVFROM_TYPE_ARG1, RECVFROM_TYPE_ARG2, and so on +dnl to RECVFROM_TYPE_ARG6, defining also the type of the +dnl function return value in RECVFROM_TYPE_RETV. + +AC_DEFUN([CURL_CHECK_FUNC_RECVFROM], [ + AC_REQUIRE([CURL_CHECK_HEADER_WINSOCK])dnl + AC_REQUIRE([CURL_CHECK_HEADER_WINSOCK2])dnl + AC_CHECK_HEADERS(sys/types.h sys/socket.h) + # + AC_MSG_CHECKING([for recvfrom]) + AC_LINK_IFELSE([ + AC_LANG_PROGRAM([[ +#undef inline +#ifdef HAVE_WINDOWS_H +#ifndef WIN32_LEAN_AND_MEAN +#define WIN32_LEAN_AND_MEAN +#endif +#include <windows.h> +#ifdef HAVE_WINSOCK2_H +#include <winsock2.h> +#else +#ifdef HAVE_WINSOCK_H +#include <winsock.h> +#endif +#endif +#else +#ifdef HAVE_SYS_TYPES_H +#include <sys/types.h> +#endif +#ifdef HAVE_SYS_SOCKET_H +#include <sys/socket.h> +#endif +#endif + ]],[[ + recvfrom(0, 0, 0, 0, 0, 0); + ]]) + ],[ + AC_MSG_RESULT([yes]) + curl_cv_recvfrom="yes" + ],[ + AC_MSG_RESULT([no]) + curl_cv_recvfrom="no" + ]) + # + if test "$curl_cv_recvfrom" = "yes"; then + AC_CACHE_CHECK([types of args and return type for recvfrom], + [curl_cv_func_recvfrom_args], [ + curl_cv_func_recvfrom_args="unknown" + for recvfrom_retv in 'int' 'ssize_t'; do + for recvfrom_arg1 in 'int' 'ssize_t' 'SOCKET'; do + for recvfrom_arg2 in 'char *' 'void *'; do + for recvfrom_arg3 in 'size_t' 'int' 'socklen_t' 'unsigned int'; do + for recvfrom_arg4 in 'int' 'unsigned int'; do + for recvfrom_arg5 in 'struct sockaddr *' 'void *'; do + for recvfrom_arg6 in 'socklen_t *' 'int *' 'unsigned int *' 'size_t *'; do + if test "$curl_cv_func_recvfrom_args" = "unknown"; then + AC_COMPILE_IFELSE([ + AC_LANG_PROGRAM([[ +#undef inline +#ifdef HAVE_WINDOWS_H +#ifndef WIN32_LEAN_AND_MEAN +#define WIN32_LEAN_AND_MEAN +#endif +#include <windows.h> +#ifdef HAVE_WINSOCK2_H +#include <winsock2.h> +#else +#ifdef HAVE_WINSOCK_H +#include <winsock.h> +#endif +#endif +#define RECVFROMCALLCONV PASCAL +#else +#ifdef HAVE_SYS_TYPES_H +#include <sys/types.h> +#endif +#ifdef HAVE_SYS_SOCKET_H +#include <sys/socket.h> +#endif +#define RECVFROMCALLCONV +#endif + extern $recvfrom_retv RECVFROMCALLCONV + recvfrom($recvfrom_arg1, $recvfrom_arg2, + $recvfrom_arg3, $recvfrom_arg4, + $recvfrom_arg5, $recvfrom_arg6); + ]],[[ + $recvfrom_arg1 s=0; + $recvfrom_arg2 buf=0; + $recvfrom_arg3 len=0; + $recvfrom_arg4 flags=0; + $recvfrom_arg5 addr=0; + $recvfrom_arg6 addrlen=0; + $recvfrom_retv res=0; + res = recvfrom(s, buf, len, flags, addr, addrlen); + ]]) + ],[ + curl_cv_func_recvfrom_args="$recvfrom_arg1,$recvfrom_arg2,$recvfrom_arg3,$recvfrom_arg4,$recvfrom_arg5,$recvfrom_arg6,$recvfrom_retv" + ]) + fi + done + done + done + done + done + done + done + ]) # AC_CACHE_CHECK + if test "$curl_cv_func_recvfrom_args" = "unknown"; then + AC_MSG_ERROR([Cannot find proper types to use for recvfrom args]) + else + recvfrom_prev_IFS=$IFS; IFS=',' + set dummy `echo "$curl_cv_func_recvfrom_args" | sed 's/\*/\*/g'` + IFS=$recvfrom_prev_IFS + shift + # + AC_DEFINE_UNQUOTED(RECVFROM_TYPE_ARG1, $[1], + [Define to the type of arg 1 for recvfrom.]) + AC_DEFINE_UNQUOTED(RECVFROM_TYPE_ARG2, $[2], + [Define to the type of arg 2 for recvfrom.]) + AC_DEFINE_UNQUOTED(RECVFROM_TYPE_ARG3, $[3], + [Define to the type of arg 3 for recvfrom.]) + AC_DEFINE_UNQUOTED(RECVFROM_TYPE_ARG4, $[4], + [Define to the type of arg 4 for recvfrom.]) + AC_DEFINE_UNQUOTED(RECVFROM_TYPE_ARG5, $[5], + [Define to the type of arg 5 for recvfrom.]) + AC_DEFINE_UNQUOTED(RECVFROM_TYPE_ARG6, $[6], + [Define to the type of arg 6 for recvfrom.]) + AC_DEFINE_UNQUOTED(RECVFROM_TYPE_RETV, $[7], + [Define to the function return type for recvfrom.]) + # + AC_DEFINE_UNQUOTED(HAVE_RECVFROM, 1, + [Define to 1 if you have the recvfrom function.]) + ac_cv_func_recvfrom="yes" + fi + else + AC_MSG_ERROR([Unable to link function recvfrom]) + fi +]) # AC_DEFUN + + dnl CURL_CHECK_MSG_NOSIGNAL dnl ------------------------------------------------- dnl Check for MSG_NOSIGNAL |