| dnl Check for how to set a socket to non-blocking state. There seems to exist |
| dnl four known different ways, with the one used almost everywhere being POSIX |
| dnl and XPG3, while the other different ways for different systems (old BSD, |
| dnl Windows and Amiga). |
| dnl |
| dnl There are two known platforms (AIX 3.x and SunOS 4.1.x) where the |
| dnl O_NONBLOCK define is found but does not work. This condition is attempted |
| dnl to get caught in this script by using an excessive number of #ifdefs... |
| dnl |
| AC_DEFUN(CURL_CHECK_NONBLOCKING_SOCKET, |
| [ |
| AC_MSG_CHECKING([non-blocking sockets style]) |
| |
| AC_TRY_COMPILE([ |
| /* headers for O_NONBLOCK test */ |
| #include <sys/types.h> |
| #include <unistd.h> |
| #include <fcntl.h> |
| ],[ |
| /* try to compile O_NONBLOCK */ |
| |
| #if defined(sun) || defined(__sun__) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) |
| # if defined(__SVR4) || defined(__srv4__) |
| # define PLATFORM_SOLARIS |
| # else |
| # define PLATFORM_SUNOS4 |
| # endif |
| #endif |
| #if (defined(_AIX) || defined(__xlC__)) && !defined(_AIX4) |
| # define PLATFORM_AIX_V3 |
| #endif |
| |
| #if defined(PLATFORM_SUNOS4) || defined(PLATFORM_AIX_V3) |
| #error "O_NONBLOCK does not work on this platform" |
| #endif |
| int socket; |
| int flags = fcntl(socket, F_SETFL, flags | O_NONBLOCK); |
| ],[ |
| dnl the O_NONBLOCK test was fine |
| nonblock="O_NONBLOCK" |
| AC_DEFINE(HAVE_O_NONBLOCK) |
| ],[ |
| dnl the code was bad, try a different program now, test 2 |
| |
| AC_TRY_COMPILE([ |
| /* headers for FIONBIO test */ |
| #include <unistd.h> |
| #include <stropts.h> |
| ],[ |
| /* FIONBIO source test */ |
| int flags = ioctl(socket, FIONBIO, &flags); |
| ],[ |
| dnl FIONBIO test was good |
| nonblock="FIONBIO" |
| AC_DEFINE(HAVE_FIONBIO) |
| ],[ |
| dnl FIONBIO test was also bad |
| dnl the code was bad, try a different program now, test 3 |
| |
| AC_TRY_COMPILE([ |
| /* headers for ioctlsocket test (cygwin?) */ |
| #include <windows.h> |
| ],[ |
| /* ioctlsocket source code */ |
| int flags = ioctlsocket(socket, FIONBIO, &flags); |
| ],[ |
| dnl ioctlsocket test was good |
| nonblock="ioctlsocket" |
| AC_DEFINE(HAVE_IOCTLSOCKET) |
| ],[ |
| dnl ioctlsocket didnt compile! |
| |
| AC_TRY_COMPILE([ |
| /* headers for IoctlSocket test (Amiga?) */ |
| #include <sys/ioctl.h> |
| ],[ |
| /* IoctlSocket source code */ |
| int flags = IoctlSocket(socket, FIONBIO, (long)1); |
| ],[ |
| dnl ioctlsocket test was good |
| nonblock="IoctlSocket" |
| AC_DEFINE(HAVE_IOCTLSOCKET_CASE) |
| ],[ |
| dnl ioctlsocket didnt compile! |
| nonblock="nada" |
| AC_DEFINE(HAVE_DISABLED_NONBLOCKING) |
| ]) |
| dnl end of forth test |
| |
| ]) |
| dnl end of third test |
| |
| ]) |
| dnl end of second test |
| |
| ]) |
| dnl end of non-blocking try-compile test |
| AC_MSG_RESULT($nonblock) |
| |
| if test "$nonblock" = "nada"; then |
| AC_MSG_WARN([non-block sockets disabled]) |
| fi |
| ]) |
| |
| dnl Check for socklen_t: historically on BSD it is an int, and in |
| dnl POSIX 1g it is a type of its own, but some platforms use different |
| dnl types for the argument to getsockopt, getpeername, etc. So we |
| dnl have to test to find something that will work. |
| AC_DEFUN([TYPE_SOCKLEN_T], |
| [ |
| AC_CHECK_TYPE([socklen_t], ,[ |
| AC_MSG_CHECKING([for socklen_t equivalent]) |
| AC_CACHE_VAL([curl_cv_socklen_t_equiv], |
| [ |
| # Systems have either "struct sockaddr *" or |
| # "void *" as the second argument to getpeername |
| curl_cv_socklen_t_equiv= |
| for arg2 in "struct sockaddr" void; do |
| for t in int size_t unsigned long "unsigned long"; do |
| AC_TRY_COMPILE([ |
| #include <sys/types.h> |
| #include <sys/socket.h> |
| |
| int getpeername (int, $arg2 *, $t *); |
| ],[ |
| $t len; |
| getpeername(0,0,&len); |
| ],[ |
| curl_cv_socklen_t_equiv="$t" |
| break |
| ]) |
| done |
| done |
| |
| if test "x$curl_cv_socklen_t_equiv" = x; then |
| AC_MSG_ERROR([Cannot find a type to use in place of socklen_t]) |
| fi |
| ]) |
| AC_MSG_RESULT($curl_cv_socklen_t_equiv) |
| AC_DEFINE_UNQUOTED(socklen_t, $curl_cv_socklen_t_equiv, |
| [type to use in place of socklen_t if not defined])], |
| [#include <sys/types.h> |
| #include <sys/socket.h>]) |
| ]) |
| |
| dnl Check for in_addr_t: it is used to receive the return code of inet_addr() |
| dnl and a few other things. If not found, we set it to unsigned int, as even |
| dnl 64-bit implementations use to set it to a 32-bit type. |
| AC_DEFUN([TYPE_IN_ADDR_T], |
| [ |
| AC_CHECK_TYPE([in_addr_t], ,[ |
| AC_MSG_CHECKING([for in_addr_t equivalent]) |
| AC_CACHE_VAL([curl_cv_in_addr_t_equiv], |
| [ |
| # Systems have either "struct sockaddr *" or |
| # "void *" as the second argument to getpeername |
| curl_cv_in_addr_t_equiv= |
| for t in int size_t unsigned long "unsigned long"; do |
| AC_TRY_COMPILE([ |
| #include <sys/types.h> |
| #include <sys/socket.h> |
| #include <arpa/inet.h> |
| ],[ |
| $t data = inet_addr ("1.2.3.4"); |
| ],[ |
| curl_cv_in_addr_t_equiv="$t" |
| break |
| ]) |
| done |
| |
| if test "x$curl_cv_in_addr_t_equiv" = x; then |
| AC_MSG_ERROR([Cannot find a type to use in place of in_addr_t]) |
| fi |
| ]) |
| AC_MSG_RESULT($curl_cv_in_addr_t_equiv) |
| AC_DEFINE_UNQUOTED(in_addr_t, $curl_cv_in_addr_t_equiv, |
| [type to use in place of in_addr_t if not defined])], |
| [#include <sys/types.h> |
| #include <sys/socket.h> |
| #include <arpa/inet.h>]) |
| ]) |
| |
| dnl ************************************************************ |
| dnl check for "localhost", if it doesn't exist, we can't do the |
| dnl gethostbyname_r tests! |
| dnl |
| |
| AC_DEFUN(CURL_CHECK_WORKING_RESOLVER,[ |
| AC_MSG_CHECKING([if "localhost" resolves]) |
| AC_TRY_RUN([ |
| #include <string.h> |
| #include <sys/types.h> |
| #include <netdb.h> |
| |
| int |
| main () { |
| struct hostent *h; |
| h = gethostbyname("localhost"); |
| exit (h == NULL ? 1 : 0); }],[ |
| AC_MSG_RESULT(yes)],[ |
| AC_MSG_RESULT(no) |
| AC_MSG_ERROR([can't figure out gethostbyname_r() since localhost doesn't resolve]) |
| |
| ] |
| ) |
| ]) |
| |
| dnl ************************************************************ |
| dnl check for working getaddrinfo() |
| dnl |
| AC_DEFUN(CURL_CHECK_WORKING_GETADDRINFO,[ |
| AC_CACHE_CHECK(for working getaddrinfo, ac_cv_working_getaddrinfo,[ |
| AC_TRY_RUN( [ |
| #include <netdb.h> |
| #include <sys/types.h> |
| #include <sys/socket.h> |
| |
| void main(void) { |
| struct addrinfo hints, *ai; |
| int error; |
| |
| memset(&hints, 0, sizeof(hints)); |
| hints.ai_family = AF_UNSPEC; |
| hints.ai_socktype = SOCK_STREAM; |
| error = getaddrinfo("127.0.0.1", "8080", &hints, &ai); |
| if (error) { |
| exit(1); |
| } |
| else { |
| exit(0); |
| } |
| } |
| ],[ |
| ac_cv_working_getaddrinfo="yes" |
| ],[ |
| ac_cv_working_getaddrinfo="no" |
| ],[ |
| ac_cv_working_getaddrinfo="yes" |
| ])]) |
| if test "$ac_cv_working_getaddrinfo" = "yes"; then |
| AC_DEFINE(HAVE_GETADDRINFO, 1, [Define if getaddrinfo exists and works]) |
| AC_DEFINE(ENABLE_IPV6, 1, [Define if you want to enable IPv6 support]) |
| |
| IPV6_ENABLED=1 |
| AC_SUBST(IPV6_ENABLED) |
| fi |
| ]) |
| |
| |
| AC_DEFUN(CURL_CHECK_LOCALTIME_R, |
| [ |
| dnl check for a few thread-safe functions |
| AC_CHECK_FUNCS(localtime_r,[ |
| AC_MSG_CHECKING(whether localtime_r is declared) |
| AC_EGREP_CPP(localtime_r,[ |
| #include <time.h>],[ |
| AC_MSG_RESULT(yes)],[ |
| AC_MSG_RESULT(no) |
| AC_MSG_CHECKING(whether localtime_r with -D_REENTRANT is declared) |
| AC_EGREP_CPP(localtime_r,[ |
| #define _REENTRANT |
| #include <time.h>],[ |
| AC_DEFINE(NEED_REENTRANT) |
| AC_MSG_RESULT(yes)], |
| AC_MSG_RESULT(no))])]) |
| ]) |
| |
| AC_DEFUN(CURL_CHECK_INET_NTOA_R, |
| [ |
| dnl determine if function definition for inet_ntoa_r exists. |
| AC_CHECK_FUNCS(inet_ntoa_r,[ |
| AC_MSG_CHECKING(whether inet_ntoa_r is declared) |
| AC_EGREP_CPP(inet_ntoa_r,[ |
| #include <arpa/inet.h>],[ |
| AC_DEFINE(HAVE_INET_NTOA_R_DECL) |
| AC_MSG_RESULT(yes)],[ |
| AC_MSG_RESULT(no) |
| AC_MSG_CHECKING(whether inet_ntoa_r with -D_REENTRANT is declared) |
| AC_EGREP_CPP(inet_ntoa_r,[ |
| #define _REENTRANT |
| #include <arpa/inet.h>],[ |
| AC_DEFINE(HAVE_INET_NTOA_R_DECL) |
| AC_DEFINE(NEED_REENTRANT) |
| AC_MSG_RESULT(yes)], |
| AC_MSG_RESULT(no))])]) |
| ]) |
| |
| AC_DEFUN(CURL_CHECK_GETHOSTBYADDR_R, |
| [ |
| dnl check for number of arguments to gethostbyaddr_r. it might take |
| dnl either 5, 7, or 8 arguments. |
| AC_CHECK_FUNCS(gethostbyaddr_r,[ |
| AC_MSG_CHECKING(if gethostbyaddr_r takes 5 arguments) |
| AC_TRY_COMPILE([ |
| #include <sys/types.h> |
| #include <netdb.h>],[ |
| char * address; |
| int length; |
| int type; |
| struct hostent h; |
| struct hostent_data hdata; |
| int rc; |
| rc = gethostbyaddr_r(address, length, type, &h, &hdata);],[ |
| AC_MSG_RESULT(yes) |
| AC_DEFINE(HAVE_GETHOSTBYADDR_R_5) |
| ac_cv_gethostbyaddr_args=5],[ |
| AC_MSG_RESULT(no) |
| AC_MSG_CHECKING(if gethostbyaddr_r with -D_REENTRANT takes 5 arguments) |
| AC_TRY_COMPILE([ |
| #define _REENTRANT |
| #include <sys/types.h> |
| #include <netdb.h>],[ |
| char * address; |
| int length; |
| int type; |
| struct hostent h; |
| struct hostent_data hdata; |
| int rc; |
| rc = gethostbyaddr_r(address, length, type, &h, &hdata);],[ |
| AC_MSG_RESULT(yes) |
| AC_DEFINE(HAVE_GETHOSTBYADDR_R_5) |
| AC_DEFINE(NEED_REENTRANT) |
| ac_cv_gethostbyaddr_args=5],[ |
| AC_MSG_RESULT(no) |
| AC_MSG_CHECKING(if gethostbyaddr_r takes 7 arguments) |
| AC_TRY_COMPILE([ |
| #include <sys/types.h> |
| #include <netdb.h>],[ |
| char * address; |
| int length; |
| int type; |
| struct hostent h; |
| char buffer[8192]; |
| int h_errnop; |
| struct hostent * hp; |
| |
| hp = gethostbyaddr_r(address, length, type, &h, |
| buffer, 8192, &h_errnop);],[ |
| AC_MSG_RESULT(yes) |
| AC_DEFINE(HAVE_GETHOSTBYADDR_R_7) |
| ac_cv_gethostbyaddr_args=7],[ |
| AC_MSG_RESULT(no) |
| AC_MSG_CHECKING(if gethostbyaddr_r takes 8 arguments) |
| AC_TRY_COMPILE([ |
| #include <sys/types.h> |
| #include <netdb.h>],[ |
| char * address; |
| int length; |
| int type; |
| struct hostent h; |
| char buffer[8192]; |
| int h_errnop; |
| struct hostent * hp; |
| int rc; |
| |
| rc = gethostbyaddr_r(address, length, type, &h, |
| buffer, 8192, &hp, &h_errnop);],[ |
| AC_MSG_RESULT(yes) |
| AC_DEFINE(HAVE_GETHOSTBYADDR_R_8) |
| ac_cv_gethostbyaddr_args=8],[ |
| AC_MSG_RESULT(no) |
| have_missing_r_funcs="$have_missing_r_funcs gethostbyaddr_r"])])])])]) |
| ]) |
| |
| AC_DEFUN(CURL_CHECK_GETHOSTBYNAME_R, |
| [ |
| dnl check for number of arguments to gethostbyname_r. it might take |
| dnl either 3, 5, or 6 arguments. |
| AC_CHECK_FUNCS(gethostbyname_r,[ |
| AC_MSG_CHECKING([if gethostbyname_r takes 3 arguments]) |
| AC_TRY_COMPILE([ |
| #include <string.h> |
| #include <sys/types.h> |
| #include <netdb.h> |
| #undef NULL |
| #define NULL (void *)0 |
| |
| int |
| gethostbyname_r(const char *, struct hostent *, struct hostent_data *);],[ |
| struct hostent_data data; |
| gethostbyname_r(NULL, NULL, NULL);],[ |
| AC_MSG_RESULT(yes) |
| AC_DEFINE(HAVE_GETHOSTBYNAME_R_3) |
| ac_cv_gethostbyname_args=3],[ |
| AC_MSG_RESULT(no) |
| AC_MSG_CHECKING([if gethostbyname_r with -D_REENTRANT takes 3 arguments]) |
| AC_TRY_COMPILE([ |
| #define _REENTRANT |
| |
| #include <string.h> |
| #include <sys/types.h> |
| #include <netdb.h> |
| #undef NULL |
| #define NULL (void *)0 |
| |
| int |
| gethostbyname_r(const char *,struct hostent *, struct hostent_data *);],[ |
| struct hostent_data data; |
| gethostbyname_r(NULL, NULL, NULL);],[ |
| AC_MSG_RESULT(yes) |
| AC_DEFINE(HAVE_GETHOSTBYNAME_R_3) |
| AC_DEFINE(NEED_REENTRANT) |
| ac_cv_gethostbyname_args=3],[ |
| AC_MSG_RESULT(no) |
| AC_MSG_CHECKING([if gethostbyname_r takes 5 arguments]) |
| AC_TRY_COMPILE([ |
| #include <sys/types.h> |
| #include <netdb.h> |
| #undef NULL |
| #define NULL (void *)0 |
| |
| struct hostent * |
| gethostbyname_r(const char *, struct hostent *, char *, int, int *);],[ |
| gethostbyname_r(NULL, NULL, NULL, 0, NULL);],[ |
| AC_MSG_RESULT(yes) |
| AC_DEFINE(HAVE_GETHOSTBYNAME_R_5) |
| ac_cv_gethostbyname_args=5],[ |
| AC_MSG_RESULT(no) |
| AC_MSG_CHECKING([if gethostbyname_r takes 6 arguments]) |
| AC_TRY_COMPILE([ |
| #include <sys/types.h> |
| #include <netdb.h> |
| #undef NULL |
| #define NULL (void *)0 |
| |
| int |
| gethostbyname_r(const char *, struct hostent *, char *, size_t, |
| struct hostent **, int *);],[ |
| gethostbyname_r(NULL, NULL, NULL, 0, NULL, NULL);],[ |
| AC_MSG_RESULT(yes) |
| AC_DEFINE(HAVE_GETHOSTBYNAME_R_6) |
| ac_cv_gethostbyname_args=6],[ |
| AC_MSG_RESULT(no) |
| have_missing_r_funcs="$have_missing_r_funcs gethostbyname_r"], |
| [ac_cv_gethostbyname_args=0])], |
| [ac_cv_gethostbyname_args=0])], |
| [ac_cv_gethostbyname_args=0])], |
| [ac_cv_gethostbyname_args=0])]) |
| |
| if test "$ac_cv_func_gethostbyname_r" = "yes"; then |
| if test "$ac_cv_gethostbyname_args" = "0"; then |
| dnl there's a gethostbyname_r() function, but we don't know how |
| dnl many arguments it wants! |
| AC_MSG_ERROR([couldn't figure out how to use gethostbyname_r()]) |
| fi |
| fi |
| ]) |