446 строки
13 KiB
Plaintext
446 строки
13 KiB
Plaintext
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, 1, [use O_NONBLOCK for non-blocking sockets])
|
|
],[
|
|
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, 1, [use FIONBIO for non-blocking sockets])
|
|
],[
|
|
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, 1, [use ioctlsocket() for non-blocking sockets])
|
|
],[
|
|
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, 1, [use Ioctlsocket() for non-blocking sockets])
|
|
],[
|
|
dnl ioctlsocket didnt compile!
|
|
nonblock="nada"
|
|
AC_DEFINE(HAVE_DISABLED_NONBLOCKING, 1, [disabled non-blocking sockets])
|
|
])
|
|
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],
|
|
[
|
|
curl_cv_in_addr_t_equiv=
|
|
for t in "unsigned long" int size_t 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, 1, [inet_ntoa_r() is declared])
|
|
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, 1, [inet_ntoa_r() is declared])
|
|
AC_DEFINE(NEED_REENTRANT, 1, [need REENTRANT defined])
|
|
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, 1, [gethostbyaddr_r() takes 5 args])
|
|
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, 1, [gethostbyaddr_r() takes 5 args])
|
|
AC_DEFINE(NEED_REENTRANT, 1, [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, 1, [gethostbyaddr_r() takes 7 args] )
|
|
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, 1, [gethostbyaddr_r() takes 8 args])
|
|
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, 1, [gethostbyname_r() takes 3 args])
|
|
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, 1, [gethostbyname_r() takes 3 args])
|
|
AC_DEFINE(NEED_REENTRANT, 1, [needs 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, 1, [gethostbyname_r() takes 5 args])
|
|
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, 1, [gethostbyname_r() takes 6 args])
|
|
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
|
|
])
|