dnl CURL_CHECK_HEADER_WINDOWS dnl ------------------------------------------------- dnl Check for compilable and valid windows.h header AC_DEFUN([CURL_CHECK_HEADER_WINDOWS], [ AC_CACHE_CHECK([for windows.h], [ac_cv_header_windows_h], [ AC_COMPILE_IFELSE([ AC_LANG_PROGRAM([[ #undef inline #ifndef WIN32_LEAN_AND_MEAN #define WIN32_LEAN_AND_MEAN #endif #include ]],[[ #if defined(__CYGWIN__) || defined(__CEGCC__) HAVE_WINDOWS_H shall not be defined. #else int dummy=2*WINVER; #endif ]]) ],[ ac_cv_header_windows_h="yes" ],[ ac_cv_header_windows_h="no" ]) ]) case "$ac_cv_header_windows_h" in yes) AC_DEFINE_UNQUOTED(HAVE_WINDOWS_H, 1, [Define to 1 if you have the windows.h header file.]) AC_DEFINE_UNQUOTED(WIN32_LEAN_AND_MEAN, 1, [Define to avoid automatic inclusion of winsock.h]) ;; esac ]) dnl CURL_CHECK_NATIVE_WINDOWS dnl ------------------------------------------------- dnl Check if building a native Windows target AC_DEFUN([CURL_CHECK_NATIVE_WINDOWS], [ AC_REQUIRE([CURL_CHECK_HEADER_WINDOWS])dnl AC_CACHE_CHECK([whether build target is a native Windows one], [ac_cv_native_windows], [ if test "$ac_cv_header_windows_h" = "no"; then ac_cv_native_windows="no" else AC_COMPILE_IFELSE([ AC_LANG_PROGRAM([[ ]],[[ #if defined(__MINGW32__) || defined(__MINGW32CE__) int dummy=1; #else Not a native Windows build target. #endif ]]) ],[ ac_cv_native_windows="yes" ],[ ac_cv_native_windows="no" ]) fi ]) case "$ac_cv_native_windows" in yes) AC_DEFINE_UNQUOTED(NATIVE_WINDOWS, 1, [Define to 1 if you are building a native Windows target.]) ;; esac ]) dnl CURL_CHECK_HEADER_WINSOCK dnl ------------------------------------------------- dnl Check for compilable and valid winsock.h header AC_DEFUN([CURL_CHECK_HEADER_WINSOCK], [ AC_REQUIRE([CURL_CHECK_HEADER_WINDOWS])dnl AC_CACHE_CHECK([for winsock.h], [ac_cv_header_winsock_h], [ AC_COMPILE_IFELSE([ AC_LANG_PROGRAM([[ #undef inline #ifndef WIN32_LEAN_AND_MEAN #define WIN32_LEAN_AND_MEAN #endif #include #include ]],[[ #if defined(__CYGWIN__) || defined(__CEGCC__) HAVE_WINSOCK_H shall not be defined. #else int dummy=WSACleanup(); #endif ]]) ],[ ac_cv_header_winsock_h="yes" ],[ ac_cv_header_winsock_h="no" ]) ]) case "$ac_cv_header_winsock_h" in yes) AC_DEFINE_UNQUOTED(HAVE_WINSOCK_H, 1, [Define to 1 if you have the winsock.h header file.]) ;; esac ]) dnl CURL_CHECK_HEADER_WINSOCK2 dnl ------------------------------------------------- dnl Check for compilable and valid winsock2.h header AC_DEFUN([CURL_CHECK_HEADER_WINSOCK2], [ AC_REQUIRE([CURL_CHECK_HEADER_WINDOWS])dnl AC_CACHE_CHECK([for winsock2.h], [ac_cv_header_winsock2_h], [ AC_COMPILE_IFELSE([ AC_LANG_PROGRAM([[ #undef inline #ifndef WIN32_LEAN_AND_MEAN #define WIN32_LEAN_AND_MEAN #endif #include #include ]],[[ #if defined(__CYGWIN__) || defined(__CEGCC__) || defined(__MINGW32CE__) HAVE_WINSOCK2_H shall not be defined. #else int dummy=2*IPPROTO_ESP; #endif ]]) ],[ ac_cv_header_winsock2_h="yes" ],[ ac_cv_header_winsock2_h="no" ]) ]) case "$ac_cv_header_winsock2_h" in yes) AC_DEFINE_UNQUOTED(HAVE_WINSOCK2_H, 1, [Define to 1 if you have the winsock2.h header file.]) ;; esac ]) dnl CURL_CHECK_HEADER_WS2TCPIP dnl ------------------------------------------------- dnl Check for compilable and valid ws2tcpip.h header AC_DEFUN([CURL_CHECK_HEADER_WS2TCPIP], [ AC_REQUIRE([CURL_CHECK_HEADER_WINSOCK2])dnl AC_CACHE_CHECK([for ws2tcpip.h], [ac_cv_header_ws2tcpip_h], [ AC_COMPILE_IFELSE([ AC_LANG_PROGRAM([[ #undef inline #ifndef WIN32_LEAN_AND_MEAN #define WIN32_LEAN_AND_MEAN #endif #include #include #include ]],[[ #if defined(__CYGWIN__) || defined(__CEGCC__) || defined(__MINGW32CE__) HAVE_WS2TCPIP_H shall not be defined. #else int dummy=2*IP_PKTINFO; #endif ]]) ],[ ac_cv_header_ws2tcpip_h="yes" ],[ ac_cv_header_ws2tcpip_h="no" ]) ]) case "$ac_cv_header_ws2tcpip_h" in yes) AC_DEFINE_UNQUOTED(HAVE_WS2TCPIP_H, 1, [Define to 1 if you have the ws2tcpip.h header file.]) ;; esac ]) dnl CURL_CHECK_HEADER_MALLOC dnl ------------------------------------------------- dnl Check for compilable and valid malloc.h header, dnl and check if it is needed even with stdlib.h AC_DEFUN([CURL_CHECK_HEADER_MALLOC], [ AC_CACHE_CHECK([for malloc.h], [ac_cv_header_malloc_h], [ AC_COMPILE_IFELSE([ AC_LANG_PROGRAM([[ #include ]],[[ void *p = malloc(10); void *q = calloc(10,10); free(p); free(q); ]]) ],[ ac_cv_header_malloc_h="yes" ],[ ac_cv_header_malloc_h="no" ]) ]) if test "$ac_cv_header_malloc_h" = "yes"; then AC_DEFINE_UNQUOTED(HAVE_MALLOC_H, 1, [Define to 1 if you have the malloc.h header file.]) # AC_COMPILE_IFELSE([ AC_LANG_PROGRAM([[ #include ]],[[ void *p = malloc(10); void *q = calloc(10,10); free(p); free(q); ]]) ],[ curl_cv_need_header_malloc_h="no" ],[ curl_cv_need_header_malloc_h="yes" ]) # case "$curl_cv_need_header_malloc_h" in yes) AC_DEFINE_UNQUOTED(NEED_MALLOC_H, 1, [Define to 1 if you need the malloc.h header file even with stdlib.h]) ;; esac fi ]) dnl CURL_CHECK_TYPE_SOCKLEN_T dnl ------------------------------------------------- dnl Check for existing socklen_t type, and provide dnl an equivalent type if socklen_t not available AC_DEFUN([CURL_CHECK_TYPE_SOCKLEN_T], [ AC_REQUIRE([CURL_CHECK_HEADER_WS2TCPIP])dnl AC_CHECK_TYPE([socklen_t], [ dnl socklen_t is available AC_DEFINE_UNQUOTED(HAVE_SOCKLEN_T, 1, [Define to 1 if socklen_t is available or a equivalent is defined.]) ],[ dnl socklen_t not available AC_CACHE_CHECK([for socklen_t equivalent], [curl_cv_socklen_t_equiv], [ curl_cv_socklen_t_equiv="unknown" for arg1 in 'int' 'SOCKET'; do for arg2 in "struct sockaddr" void; do for t in int size_t unsigned long "unsigned long"; do AC_COMPILE_IFELSE([ AC_LANG_PROGRAM([[ #undef inline #ifdef HAVE_WINDOWS_H #ifndef WIN32_LEAN_AND_MEAN #define WIN32_LEAN_AND_MEAN #endif #include #ifdef HAVE_WINSOCK2_H #include #else #ifdef HAVE_WINSOCK_H #include #endif #endif #define GETPEERNCALLCONV PASCAL #else #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SYS_SOCKET_H #include #endif #define GETPEERNCALLCONV #endif extern int GETPEERNCALLCONV getpeername ($arg1, $arg2 *, $t *); ]],[[ $t len=0; getpeername(0,0,&len); ]]) ],[ curl_cv_socklen_t_equiv="$t" break 3 ]) done done done ]) case "$curl_cv_socklen_t_equiv" in unknown) AC_MSG_ERROR([Cannot find a type to use in place of socklen_t]) ;; *) AC_DEFINE_UNQUOTED(socklen_t, $curl_cv_socklen_t_equiv, [type to use in place of socklen_t if not defined]) AC_DEFINE_UNQUOTED(HAVE_SOCKLEN_T, 1, [Define to 1 if socklen_t is available or a equivalent is defined.]) ;; esac ],[ #undef inline #ifdef HAVE_WINDOWS_H #ifndef WIN32_LEAN_AND_MEAN #define WIN32_LEAN_AND_MEAN #endif #include #ifdef HAVE_WINSOCK2_H #include #ifdef HAVE_WS2TCPIP_H #include #endif #endif #else #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SYS_SOCKET_H #include #endif #endif ]) ]) dnl CURL_CHECK_FUNC_GETNAMEINFO dnl ------------------------------------------------- dnl Test if the getnameinfo function is available, dnl and check the types of five of its arguments. dnl If the function succeeds HAVE_GETNAMEINFO will be dnl defined, defining the types of the arguments in dnl GETNAMEINFO_TYPE_ARG1, GETNAMEINFO_TYPE_ARG2, dnl GETNAMEINFO_TYPE_ARG46 and GETNAMEINFO_TYPE_ARG7, dnl and also defining the type qualifier of first dnl argument in GETNAMEINFO_QUAL_ARG1. AC_DEFUN([CURL_CHECK_FUNC_GETNAMEINFO], [ AC_REQUIRE([CURL_CHECK_HEADER_WS2TCPIP])dnl AC_REQUIRE([CURL_CHECK_TYPE_SOCKLEN_T])dnl AC_CHECK_HEADERS(sys/types.h sys/socket.h netdb.h) # AC_MSG_CHECKING([for getnameinfo]) AC_LINK_IFELSE([ AC_LANG_FUNC_LINK_TRY([getnameinfo]) ],[ AC_MSG_RESULT([yes]) curl_cv_getnameinfo="yes" ],[ AC_MSG_RESULT([no]) curl_cv_getnameinfo="no" ]) # if test "$curl_cv_getnameinfo" != "yes"; then AC_MSG_CHECKING([deeper for getnameinfo]) AC_LINK_IFELSE([ AC_LANG_PROGRAM([[ ]],[[ getnameinfo(); ]]) ],[ AC_MSG_RESULT([yes]) curl_cv_getnameinfo="yes" ],[ AC_MSG_RESULT([but still no]) curl_cv_getnameinfo="no" ]) fi # if test "$curl_cv_getnameinfo" != "yes"; then AC_MSG_CHECKING([deeper and deeper for getnameinfo]) AC_LINK_IFELSE([ AC_LANG_PROGRAM([[ #undef inline #ifdef HAVE_WINDOWS_H #ifndef WIN32_LEAN_AND_MEAN #define WIN32_LEAN_AND_MEAN #endif #include #ifdef HAVE_WINSOCK2_H #include #ifdef HAVE_WS2TCPIP_H #include #endif #endif #else #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SYS_SOCKET_H #include #endif #ifdef HAVE_NETDB_H #include #endif #endif ]],[[ getnameinfo(0, 0, 0, 0, 0, 0, 0); ]]) ],[ AC_MSG_RESULT([yes]) curl_cv_getnameinfo="yes" ],[ AC_MSG_RESULT([but still no]) curl_cv_getnameinfo="no" ]) fi # if test "$curl_cv_getnameinfo" = "yes"; then AC_CACHE_CHECK([types of arguments for getnameinfo], [curl_cv_func_getnameinfo_args], [ curl_cv_func_getnameinfo_args="unknown" for gni_arg1 in 'struct sockaddr *' 'const struct sockaddr *' 'void *'; do for gni_arg2 in 'socklen_t' 'size_t' 'int'; do for gni_arg46 in 'size_t' 'int' 'socklen_t' 'unsigned int' 'DWORD'; do for gni_arg7 in 'int' 'unsigned int'; do AC_COMPILE_IFELSE([ AC_LANG_PROGRAM([[ #undef inline #ifdef HAVE_WINDOWS_H #ifndef WIN32_LEAN_AND_MEAN #define WIN32_LEAN_AND_MEAN #endif #if (!defined(_WIN32_WINNT)) || (_WIN32_WINNT < 0x0501) #undef _WIN32_WINNT #define _WIN32_WINNT 0x0501 #endif #include #ifdef HAVE_WINSOCK2_H #include #ifdef HAVE_WS2TCPIP_H #include #endif #endif #define GNICALLCONV WSAAPI #else #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SYS_SOCKET_H #include #endif #ifdef HAVE_NETDB_H #include #endif #define GNICALLCONV #endif extern int GNICALLCONV getnameinfo($gni_arg1, $gni_arg2, char *, $gni_arg46, char *, $gni_arg46, $gni_arg7); ]],[[ $gni_arg2 salen=0; $gni_arg46 hostlen=0; $gni_arg46 servlen=0; $gni_arg7 flags=0; int res = getnameinfo(0, salen, 0, hostlen, 0, servlen, flags); ]]) ],[ curl_cv_func_getnameinfo_args="$gni_arg1,$gni_arg2,$gni_arg46,$gni_arg7" break 4 ]) done done done done ]) # AC_CACHE_CHECK if test "$curl_cv_func_getnameinfo_args" = "unknown"; then AC_MSG_WARN([Cannot find proper types to use for getnameinfo args]) AC_MSG_WARN([HAVE_GETNAMEINFO will not be defined]) else gni_prev_IFS=$IFS; IFS=',' set dummy `echo "$curl_cv_func_getnameinfo_args" | sed 's/\*/\*/g'` IFS=$gni_prev_IFS shift # gni_qual_type_arg1=$[1] # AC_DEFINE_UNQUOTED(GETNAMEINFO_TYPE_ARG2, $[2], [Define to the type of arg 2 for getnameinfo.]) AC_DEFINE_UNQUOTED(GETNAMEINFO_TYPE_ARG46, $[3], [Define to the type of args 4 and 6 for getnameinfo.]) AC_DEFINE_UNQUOTED(GETNAMEINFO_TYPE_ARG7, $[4], [Define to the type of arg 7 for getnameinfo.]) # prev_sh_opts=$- # case $prev_sh_opts in *f*) ;; *) set -f ;; esac # case "$gni_qual_type_arg1" in const*) gni_qual_arg1=const gni_type_arg1=`echo $gni_qual_type_arg1 | sed 's/^const //'` ;; *) gni_qual_arg1= gni_type_arg1=$gni_qual_type_arg1 ;; esac # AC_DEFINE_UNQUOTED(GETNAMEINFO_QUAL_ARG1, $gni_qual_arg1, [Define to the type qualifier of arg 1 for getnameinfo.]) AC_DEFINE_UNQUOTED(GETNAMEINFO_TYPE_ARG1, $gni_type_arg1, [Define to the type of arg 1 for getnameinfo.]) # case $prev_sh_opts in *f*) ;; *) set +f ;; esac # AC_DEFINE_UNQUOTED(HAVE_GETNAMEINFO, 1, [Define to 1 if you have the getnameinfo function.]) ac_cv_func_getnameinfo="yes" fi fi ]) # AC_DEFUN dnl TYPE_SOCKADDR_STORAGE dnl ------------------------------------------------- dnl Check for struct sockaddr_storage. Most IPv6-enabled dnl hosts have it, but AIX 4.3 is one known exception. AC_DEFUN([TYPE_SOCKADDR_STORAGE], [ AC_CHECK_TYPE([struct sockaddr_storage], AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE, 1, [if struct sockaddr_storage is defined]), , [ #undef inline #ifdef HAVE_WINDOWS_H #ifndef WIN32_LEAN_AND_MEAN #define WIN32_LEAN_AND_MEAN #endif #include #ifdef HAVE_WINSOCK2_H #include #endif #else #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SYS_SOCKET_H #include #endif #ifdef HAVE_NETINET_IN_H #include #endif #ifdef HAVE_ARPA_INET_H #include #endif #endif ]) ]) dnl CURL_CHECK_NI_WITHSCOPEID dnl ------------------------------------------------- dnl Check for working NI_WITHSCOPEID in getnameinfo() AC_DEFUN([CURL_CHECK_NI_WITHSCOPEID], [ AC_REQUIRE([CURL_CHECK_FUNC_GETNAMEINFO])dnl AC_REQUIRE([TYPE_SOCKADDR_STORAGE])dnl AC_CHECK_HEADERS(stdio.h sys/types.h sys/socket.h \ netdb.h netinet/in.h arpa/inet.h) # AC_CACHE_CHECK([for working NI_WITHSCOPEID], [ac_cv_working_ni_withscopeid], [ AC_RUN_IFELSE([ AC_LANG_PROGRAM([[ #ifdef HAVE_STDIO_H #include #endif #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SYS_SOCKET_H #include #endif #ifdef HAVE_NETDB_H #include #endif #ifdef HAVE_NETINET_IN_H #include #endif #ifdef HAVE_ARPA_INET_H #include #endif ]],[[ #if defined(NI_WITHSCOPEID) && defined(HAVE_GETNAMEINFO) #ifdef HAVE_STRUCT_SOCKADDR_STORAGE struct sockaddr_storage sa; #else unsigned char sa[256]; #endif char hostbuf[NI_MAXHOST]; int rc; GETNAMEINFO_TYPE_ARG2 salen = (GETNAMEINFO_TYPE_ARG2)sizeof(sa); GETNAMEINFO_TYPE_ARG46 hostlen = (GETNAMEINFO_TYPE_ARG46)sizeof(hostbuf); GETNAMEINFO_TYPE_ARG7 flags = NI_NUMERICHOST | NI_NUMERICSERV | NI_WITHSCOPEID; int fd = socket(AF_INET6, SOCK_STREAM, 0); if(fd < 0) { perror("socket()"); return 1; /* Error creating socket */ } rc = getsockname(fd, (GETNAMEINFO_TYPE_ARG1)&sa, &salen); if(rc) { perror("getsockname()"); return 2; /* Error retrieving socket name */ } rc = getnameinfo((GETNAMEINFO_TYPE_ARG1)&sa, salen, hostbuf, hostlen, NULL, 0, flags); if(rc) { printf("rc = %s\n", gai_strerror(rc)); return 3; /* Error translating socket address */ } return 0; /* Ok, NI_WITHSCOPEID works */ #else return 4; /* Error, NI_WITHSCOPEID not defined or no getnameinfo() */ #endif ]]) # AC_LANG_PROGRAM ],[ # Exit code == 0. Program worked. ac_cv_working_ni_withscopeid="yes" ],[ # Exit code != 0. Program failed. ac_cv_working_ni_withscopeid="no" ],[ # Program is not run when cross-compiling. So we assume # NI_WITHSCOPEID will work if we are able to compile it. AC_COMPILE_IFELSE([ AC_LANG_PROGRAM([[ #include #include #include ]],[[ unsigned int dummy= NI_NUMERICHOST | NI_NUMERICSERV | NI_WITHSCOPEID; ]]) ],[ ac_cv_working_ni_withscopeid="yes" ],[ ac_cv_working_ni_withscopeid="no" ]) # AC_COMPILE_IFELSE ]) # AC_RUN_IFELSE ]) # AC_CACHE_CHECK case "$ac_cv_working_ni_withscopeid" in yes) AC_DEFINE(HAVE_NI_WITHSCOPEID, 1, [Define to 1 if NI_WITHSCOPEID exists and works.]) ;; esac ]) # AC_DEFUN dnl CURL_CHECK_FUNC_RECV dnl ------------------------------------------------- dnl Test if the socket recv() function is available, dnl and check its return type and the types of its dnl arguments. If the function succeeds HAVE_RECV dnl will be defined, defining the types of the arguments dnl in RECV_TYPE_ARG1, RECV_TYPE_ARG2, RECV_TYPE_ARG3 dnl and RECV_TYPE_ARG4, defining the type of the function dnl return value in RECV_TYPE_RETV. AC_DEFUN([CURL_CHECK_FUNC_RECV], [ 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 recv]) AC_LINK_IFELSE([ AC_LANG_PROGRAM([[ #undef inline #ifdef HAVE_WINDOWS_H #ifndef WIN32_LEAN_AND_MEAN #define WIN32_LEAN_AND_MEAN #endif #include #ifdef HAVE_WINSOCK2_H #include #else #ifdef HAVE_WINSOCK_H #include #endif #endif #else #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SYS_SOCKET_H #include #endif #endif ]],[[ recv(0, 0, 0, 0); ]]) ],[ AC_MSG_RESULT([yes]) curl_cv_recv="yes" ],[ AC_MSG_RESULT([no]) curl_cv_recv="no" ]) # if test "$curl_cv_recv" = "yes"; then AC_CACHE_CHECK([types of args and return type for recv], [curl_cv_func_recv_args], [ curl_cv_func_recv_args="unknown" for recv_retv in 'int' 'ssize_t'; do for recv_arg1 in 'int' 'ssize_t' 'SOCKET'; do for recv_arg2 in 'char *' 'void *'; do for recv_arg3 in 'size_t' 'int' 'socklen_t' 'unsigned int'; do for recv_arg4 in 'int' 'unsigned int'; do AC_COMPILE_IFELSE([ AC_LANG_PROGRAM([[ #undef inline #ifdef HAVE_WINDOWS_H #ifndef WIN32_LEAN_AND_MEAN #define WIN32_LEAN_AND_MEAN #endif #include #ifdef HAVE_WINSOCK2_H #include #else #ifdef HAVE_WINSOCK_H #include #endif #endif #define RECVCALLCONV PASCAL #else #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SYS_SOCKET_H #include #endif #define RECVCALLCONV #endif extern $recv_retv RECVCALLCONV recv($recv_arg1, $recv_arg2, $recv_arg3, $recv_arg4); ]],[[ $recv_arg1 s=0; $recv_arg2 buf=0; $recv_arg3 len=0; $recv_arg4 flags=0; $recv_retv res = recv(s, buf, len, flags); ]]) ],[ curl_cv_func_recv_args="$recv_arg1,$recv_arg2,$recv_arg3,$recv_arg4,$recv_retv" break 5 ]) done done done done done ]) # AC_CACHE_CHECK if test "$curl_cv_func_recv_args" = "unknown"; then AC_MSG_ERROR([Cannot find proper types to use for recv args]) else recv_prev_IFS=$IFS; IFS=',' set dummy `echo "$curl_cv_func_recv_args" | sed 's/\*/\*/g'` IFS=$recv_prev_IFS shift # AC_DEFINE_UNQUOTED(RECV_TYPE_ARG1, $[1], [Define to the type of arg 1 for recv.]) AC_DEFINE_UNQUOTED(RECV_TYPE_ARG2, $[2], [Define to the type of arg 2 for recv.]) AC_DEFINE_UNQUOTED(RECV_TYPE_ARG3, $[3], [Define to the type of arg 3 for recv.]) AC_DEFINE_UNQUOTED(RECV_TYPE_ARG4, $[4], [Define to the type of arg 4 for recv.]) AC_DEFINE_UNQUOTED(RECV_TYPE_RETV, $[5], [Define to the function return type for recv.]) # AC_DEFINE_UNQUOTED(HAVE_RECV, 1, [Define to 1 if you have the recv function.]) ac_cv_func_recv="yes" fi else AC_MSG_ERROR([Unable to link function recv]) fi ]) # AC_DEFUN dnl CURL_CHECK_FUNC_SEND dnl ------------------------------------------------- dnl Test if the socket send() function is available, dnl and check its return type and the types of its dnl arguments. If the function succeeds HAVE_SEND dnl will be defined, defining the types of the arguments dnl in SEND_TYPE_ARG1, SEND_TYPE_ARG2, SEND_TYPE_ARG3 dnl and SEND_TYPE_ARG4, defining the type of the function dnl return value in SEND_TYPE_RETV, and also defining the dnl type qualifier of second argument in SEND_QUAL_ARG2. AC_DEFUN([CURL_CHECK_FUNC_SEND], [ AC_REQUIRE([CURL_CHECK_HEADER_WINSOCK])dnl AC_REQUIRE([CURL_CHECK_HEADER_WINSOCK2])dnl AC_CHECK_HEADERS(sys/types.h sys/socket.h) # AC_MSG_CHECKING([for send]) AC_LINK_IFELSE([ AC_LANG_PROGRAM([[ #undef inline #ifdef HAVE_WINDOWS_H #ifndef WIN32_LEAN_AND_MEAN #define WIN32_LEAN_AND_MEAN #endif #include #ifdef HAVE_WINSOCK2_H #include #else #ifdef HAVE_WINSOCK_H #include #endif #endif #else #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SYS_SOCKET_H #include #endif #endif ]],[[ send(0, 0, 0, 0); ]]) ],[ AC_MSG_RESULT([yes]) curl_cv_send="yes" ],[ AC_MSG_RESULT([no]) curl_cv_send="no" ]) # if test "$curl_cv_send" = "yes"; then AC_CACHE_CHECK([types of args and return type for send], [curl_cv_func_send_args], [ curl_cv_func_send_args="unknown" for send_retv in 'int' 'ssize_t'; do for send_arg1 in 'int' 'ssize_t' 'SOCKET'; do for send_arg2 in 'char *' 'void *' 'const char *' 'const void *'; do for send_arg3 in 'size_t' 'int' 'socklen_t' 'unsigned int'; do for send_arg4 in 'int' 'unsigned int'; do AC_COMPILE_IFELSE([ AC_LANG_PROGRAM([[ #undef inline #ifdef HAVE_WINDOWS_H #ifndef WIN32_LEAN_AND_MEAN #define WIN32_LEAN_AND_MEAN #endif #include #ifdef HAVE_WINSOCK2_H #include #else #ifdef HAVE_WINSOCK_H #include #endif #endif #define SENDCALLCONV PASCAL #else #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SYS_SOCKET_H #include #endif #define SENDCALLCONV #endif extern $send_retv SENDCALLCONV send($send_arg1, $send_arg2, $send_arg3, $send_arg4); ]],[[ $send_arg1 s=0; $send_arg3 len=0; $send_arg4 flags=0; $send_retv res = send(s, 0, len, flags); ]]) ],[ curl_cv_func_send_args="$send_arg1,$send_arg2,$send_arg3,$send_arg4,$send_retv" break 5 ]) done done done done done ]) # AC_CACHE_CHECK if test "$curl_cv_func_send_args" = "unknown"; then AC_MSG_ERROR([Cannot find proper types to use for send args]) else send_prev_IFS=$IFS; IFS=',' set dummy `echo "$curl_cv_func_send_args" | sed 's/\*/\*/g'` IFS=$send_prev_IFS shift # send_qual_type_arg2=$[2] # AC_DEFINE_UNQUOTED(SEND_TYPE_ARG1, $[1], [Define to the type of arg 1 for send.]) AC_DEFINE_UNQUOTED(SEND_TYPE_ARG3, $[3], [Define to the type of arg 3 for send.]) AC_DEFINE_UNQUOTED(SEND_TYPE_ARG4, $[4], [Define to the type of arg 4 for send.]) AC_DEFINE_UNQUOTED(SEND_TYPE_RETV, $[5], [Define to the function return type for send.]) # prev_sh_opts=$- # case $prev_sh_opts in *f*) ;; *) set -f ;; esac # case "$send_qual_type_arg2" in const*) send_qual_arg2=const send_type_arg2=`echo $send_qual_type_arg2 | sed 's/^const //'` ;; *) send_qual_arg2= send_type_arg2=$send_qual_type_arg2 ;; esac # AC_DEFINE_UNQUOTED(SEND_QUAL_ARG2, $send_qual_arg2, [Define to the type qualifier of arg 2 for send.]) AC_DEFINE_UNQUOTED(SEND_TYPE_ARG2, $send_type_arg2, [Define to the type of arg 2 for send.]) # case $prev_sh_opts in *f*) ;; *) set +f ;; esac # AC_DEFINE_UNQUOTED(HAVE_SEND, 1, [Define to 1 if you have the send function.]) ac_cv_func_send="yes" fi else AC_MSG_ERROR([Unable to link function send]) fi ]) # AC_DEFUN dnl CURL_CHECK_MSG_NOSIGNAL dnl ------------------------------------------------- dnl Check for MSG_NOSIGNAL AC_DEFUN([CURL_CHECK_MSG_NOSIGNAL], [ AC_CHECK_HEADERS(sys/types.h sys/socket.h) AC_CACHE_CHECK([for MSG_NOSIGNAL], [ac_cv_msg_nosignal], [ AC_COMPILE_IFELSE([ AC_LANG_PROGRAM([[ #undef inline #ifdef HAVE_WINDOWS_H #ifndef WIN32_LEAN_AND_MEAN #define WIN32_LEAN_AND_MEAN #endif #include #ifdef HAVE_WINSOCK2_H #include #else #ifdef HAVE_WINSOCK_H #include #endif #endif #else #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SYS_SOCKET_H #include #endif #endif ]],[[ int flag=MSG_NOSIGNAL; ]]) ],[ ac_cv_msg_nosignal="yes" ],[ ac_cv_msg_nosignal="no" ]) ]) case "$ac_cv_msg_nosignal" in yes) AC_DEFINE_UNQUOTED(HAVE_MSG_NOSIGNAL, 1, [Define to 1 if you have the MSG_NOSIGNAL flag.]) ;; esac ]) # AC_DEFUN dnl CURL_CHECK_STRUCT_TIMEVAL dnl ------------------------------------------------- dnl Check for timeval struct AC_DEFUN([CURL_CHECK_STRUCT_TIMEVAL], [ AC_REQUIRE([AC_HEADER_TIME])dnl AC_REQUIRE([CURL_CHECK_HEADER_WINSOCK])dnl AC_REQUIRE([CURL_CHECK_HEADER_WINSOCK2])dnl AC_CHECK_HEADERS(sys/types.h sys/time.h time.h) AC_CACHE_CHECK([for struct timeval], [ac_cv_struct_timeval], [ AC_COMPILE_IFELSE([ AC_LANG_PROGRAM([[ #undef inline #ifdef HAVE_WINDOWS_H #ifndef WIN32_LEAN_AND_MEAN #define WIN32_LEAN_AND_MEAN #endif #include #ifdef HAVE_WINSOCK2_H #include #else #ifdef HAVE_WINSOCK_H #include #endif #endif #endif #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SYS_TIME_H #include #ifdef TIME_WITH_SYS_TIME #include #endif #else #ifdef HAVE_TIME_H #include #endif #endif ]],[[ struct timeval ts; ts.tv_sec = 0; ts.tv_usec = 0; ]]) ],[ ac_cv_struct_timeval="yes" ],[ ac_cv_struct_timeval="no" ]) ]) case "$ac_cv_struct_timeval" in yes) AC_DEFINE_UNQUOTED(HAVE_STRUCT_TIMEVAL, 1, [Define to 1 if you have the timeval struct.]) ;; esac ]) # AC_DEFUN dnl TYPE_SIG_ATOMIC_T dnl ------------------------------------------------- dnl Check if the sig_atomic_t type is available, and dnl verify if it is already defined as volatile. AC_DEFUN([TYPE_SIG_ATOMIC_T], [ AC_CHECK_HEADERS(signal.h) AC_CHECK_TYPE([sig_atomic_t],[ AC_DEFINE(HAVE_SIG_ATOMIC_T, 1, [Define to 1 if sig_atomic_t is an available typedef.]) ], ,[ #ifdef HAVE_SIGNAL_H #include #endif ]) case "$ac_cv_type_sig_atomic_t" in yes) # AC_MSG_CHECKING([if sig_atomic_t is already defined as volatile]) AC_LINK_IFELSE([ AC_LANG_PROGRAM([[ #ifdef HAVE_SIGNAL_H #include #endif ]],[[ static volatile sig_atomic_t dummy = 0; ]]) ],[ AC_MSG_RESULT([no]) ac_cv_sig_atomic_t_volatile="no" ],[ AC_MSG_RESULT([yes]) ac_cv_sig_atomic_t_volatile="yes" ]) # if test "$ac_cv_sig_atomic_t_volatile" = "yes"; then AC_DEFINE(HAVE_SIG_ATOMIC_T_VOLATILE, 1, [Define to 1 if sig_atomic_t is already defined as volatile.]) fi ;; esac ]) # AC_DEFUN dnl CURL_CHECK_NONBLOCKING_SOCKET dnl ------------------------------------------------- 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 #include #include ],[ /* 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(_AIX41) # define PLATFORM_AIX_V3 #endif #if defined(PLATFORM_SUNOS4) || defined(PLATFORM_AIX_V3) || defined(__BEOS__) #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 #include ],[ /* FIONBIO source test (old-style unix) */ int socket; 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 (Windows) */ #undef inline #ifdef HAVE_WINDOWS_H #ifndef WIN32_LEAN_AND_MEAN #define WIN32_LEAN_AND_MEAN #endif #include #ifdef HAVE_WINSOCK2_H #include #else #ifdef HAVE_WINSOCK_H #include #endif #endif #endif ],[ /* ioctlsocket source code */ SOCKET sd; unsigned long flags = 0; sd = socket(0, 0, 0); ioctlsocket(sd, FIONBIO, &flags); ],[ dnl ioctlsocket test was good nonblock="ioctlsocket" AC_DEFINE(HAVE_IOCTLSOCKET, 1, [use ioctlsocket() for non-blocking sockets]) ],[ dnl ioctlsocket didnt compile!, go to test 4 AC_TRY_LINK([ /* headers for IoctlSocket test (Amiga?) */ #include ],[ /* IoctlSocket source code */ int socket; 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, do test 5! AC_TRY_COMPILE([ /* headers for SO_NONBLOCK test (BeOS) */ #include ],[ /* SO_NONBLOCK source code */ long b = 1; int socket; int flags = setsockopt(socket, SOL_SOCKET, SO_NONBLOCK, &b, sizeof(b)); ],[ dnl the SO_NONBLOCK test was good nonblock="SO_NONBLOCK" AC_DEFINE(HAVE_SO_NONBLOCK, 1, [use SO_NONBLOCK for non-blocking sockets]) ],[ dnl test 5 didnt compile! nonblock="nada" AC_DEFINE(HAVE_DISABLED_NONBLOCKING, 1, [disabled non-blocking sockets]) ]) dnl end of fifth test ]) 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 TYPE_IN_ADDR_T dnl ------------------------------------------------- dnl Check for in_addr_t: it is used to receive the return code of inet_addr() dnl and a few other things. 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_LINK_IFELSE([ AC_LANG_PROGRAM([[ #undef inline #ifdef HAVE_WINDOWS_H #ifndef WIN32_LEAN_AND_MEAN #define WIN32_LEAN_AND_MEAN #endif #include #ifdef HAVE_WINSOCK2_H #include #else #ifdef HAVE_WINSOCK_H #include #endif #endif #else #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SYS_SOCKET_H #include #endif #ifdef HAVE_NETINET_IN_H #include #endif #ifdef HAVE_ARPA_INET_H #include #endif #endif ]],[[ $t data = inet_addr ("1.2.3.4"); ]]) ],[ curl_cv_in_addr_t_equiv="$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, $curl_cv_in_addr_t_equiv, [type to use in place of in_addr_t if not defined])], [ #undef inline #ifdef HAVE_WINDOWS_H #ifndef WIN32_LEAN_AND_MEAN #define WIN32_LEAN_AND_MEAN #endif #include #ifdef HAVE_WINSOCK2_H #include #else #ifdef HAVE_WINSOCK_H #include #endif #endif #else #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SYS_SOCKET_H #include #endif #ifdef HAVE_NETINET_IN_H #include #endif #ifdef HAVE_ARPA_INET_H #include #endif #endif ]) dnl AC_CHECK_TYPE ]) dnl AC_DEFUN dnl CURL_CHECK_FUNC_CLOCK_GETTIME_MONOTONIC dnl ------------------------------------------------- dnl Check if monotonic clock_gettime is available. AC_DEFUN([CURL_CHECK_FUNC_CLOCK_GETTIME_MONOTONIC], [ AC_REQUIRE([AC_HEADER_TIME])dnl AC_CHECK_HEADERS(sys/types.h sys/time.h time.h) AC_MSG_CHECKING([for monotonic clock_gettime]) AC_COMPILE_IFELSE([ AC_LANG_PROGRAM([[ #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SYS_TIME_H #include #ifdef TIME_WITH_SYS_TIME #include #endif #else #ifdef HAVE_TIME_H #include #endif #endif ]],[[ struct timespec ts; (void)clock_gettime(CLOCK_MONOTONIC, &ts); ]]) ],[ AC_MSG_RESULT([yes]) ac_cv_func_clock_gettime="yes" ],[ AC_MSG_RESULT([no]) ac_cv_func_clock_gettime="no" ]) dnl Definition of HAVE_CLOCK_GETTIME_MONOTONIC is intentionally dnl postponed until library linking checks for clock_gettime pass. ]) dnl AC_DEFUN dnl CURL_CHECK_LIBS_CLOCK_GETTIME_MONOTONIC dnl ------------------------------------------------- dnl If monotonic clock_gettime is available then, dnl check and prepended to LIBS any needed libraries. AC_DEFUN([CURL_CHECK_LIBS_CLOCK_GETTIME_MONOTONIC], [ AC_REQUIRE([CURL_CHECK_FUNC_CLOCK_GETTIME_MONOTONIC])dnl # if test "$ac_cv_func_clock_gettime" = "yes"; then # AC_MSG_CHECKING([for clock_gettime in libraries]) # curl_cv_save_LIBS="$LIBS" curl_cv_gclk_LIBS="unknown" # for x_xlibs in '' '-lrt' '-lposix4' ; do if test -z "$x_xlibs"; then LIBS="$curl_cv_save_LIBS" else LIBS="$x_xlibs $curl_cv_save_LIBS" fi AC_LINK_IFELSE([ AC_LANG_PROGRAM([[ #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SYS_TIME_H #include #ifdef TIME_WITH_SYS_TIME #include #endif #else #ifdef HAVE_TIME_H #include #endif #endif ]],[[ struct timespec ts; (void)clock_gettime(CLOCK_MONOTONIC, &ts); ]]) ],[ curl_cv_gclk_LIBS="$x_xlibs" break ]) done # LIBS="$curl_cv_save_LIBS" # case X-"$curl_cv_gclk_LIBS" in X-unknown) AC_MSG_RESULT([cannot find clock_gettime]) AC_MSG_WARN([HAVE_CLOCK_GETTIME_MONOTONIC will not be defined]) ac_cv_func_clock_gettime="no" ;; X-) AC_MSG_RESULT([no additional lib required]) ac_cv_func_clock_gettime="yes" ;; *) if test -z "$curl_cv_save_LIBS"; then LIBS="$curl_cv_gclk_LIBS" else LIBS="$curl_cv_gclk_LIBS $curl_cv_save_LIBS" fi AC_MSG_RESULT([$curl_cv_gclk_LIBS]) ac_cv_func_clock_gettime="yes" ;; esac # case "$ac_cv_func_clock_gettime" in yes) AC_DEFINE_UNQUOTED(HAVE_CLOCK_GETTIME_MONOTONIC, 1, [Define to 1 if you have the clock_gettime function and monotonic timer.]) ;; esac # fi # ]) dnl AC_DEFUN dnl ********************************************************************** dnl CURL_DETECT_ICC ([ACTION-IF-YES]) dnl dnl check if this is the Intel ICC compiler, and if so run the ACTION-IF-YES dnl sets the $ICC variable to "yes" or "no" dnl ********************************************************************** AC_DEFUN([CURL_DETECT_ICC], [ ICC="no" AC_MSG_CHECKING([for icc in use]) if test "$GCC" = "yes"; then dnl check if this is icc acting as gcc in disguise AC_EGREP_CPP([^__INTEL_COMPILER], [__INTEL_COMPILER], dnl action if the text is found, this it has not been replaced by the dnl cpp ICC="no", dnl the text was not found, it was replaced by the cpp ICC="yes" AC_MSG_RESULT([yes]) [$1] ) fi if test "$ICC" = "no"; then # this is not ICC AC_MSG_RESULT([no]) fi ]) dnl We create a function for detecting which compiler we use and then set as dnl pendantic compiler options as possible for that particular compiler. The dnl options are only used for debug-builds. dnl This is a copy of the original found in curl's configure script. Don't dnl modify this one, edit the one in curl and copy it back here when that one dnl is changed. AC_DEFUN([CURL_CC_DEBUG_OPTS], [ if test "z$ICC" = "z"; then CURL_DETECT_ICC fi if test "$GCC" = "yes"; then dnl figure out gcc version! AC_MSG_CHECKING([gcc version]) gccver=`$CC -dumpversion` num1=`echo $gccver | cut -d . -f1` num2=`echo $gccver | cut -d . -f2` gccnum=`(expr $num1 "*" 100 + $num2) 2>/dev/null` AC_MSG_RESULT($gccver) if test "$ICC" = "yes"; then dnl this is icc, not gcc. dnl ICC warnings we ignore: dnl * 269 warns on our "%Od" printf formatters for curl_off_t output: dnl "invalid format string conversion" dnl * 279 warns on static conditions in while expressions dnl * 981 warns on "operands are evaluated in unspecified order" dnl * 1418 "external definition with no prior declaration" dnl * 1419 warns on "external declaration in primary source file" dnl which we know and do on purpose. WARN="-wd279,269,981,1418,1419" if test "$gccnum" -gt "600"; then dnl icc 6.0 and older doesn't have the -Wall flag WARN="-Wall $WARN" fi else dnl $ICC = yes dnl this is a set of options we believe *ALL* gcc versions support: WARN="-W -Wall -Wwrite-strings -pedantic -Wpointer-arith -Wnested-externs -Winline -Wmissing-prototypes" dnl -Wcast-align is a bit too annoying on all gcc versions ;-) if test "$gccnum" -ge "207"; then dnl gcc 2.7 or later WARN="$WARN -Wmissing-declarations" fi if test "$gccnum" -gt "295"; then dnl only if the compiler is newer than 2.95 since we got lots of dnl "`_POSIX_C_SOURCE' is not defined" in system headers with dnl gcc 2.95.4 on FreeBSD 4.9! WARN="$WARN -Wundef -Wno-long-long -Wsign-compare -Wshadow -Wno-multichar" fi if test "$gccnum" -ge "296"; then dnl gcc 2.96 or later WARN="$WARN -Wfloat-equal" fi if test "$gccnum" -gt "296"; then dnl this option does not exist in 2.96 WARN="$WARN -Wno-format-nonliteral" fi dnl -Wunreachable-code seems totally unreliable on my gcc 3.3.2 on dnl on i686-Linux as it gives us heaps with false positives. dnl Also, on gcc 4.0.X it is totally unbearable and complains all dnl over making it unusable for generic purposes. Let's not use it. if test "$gccnum" -ge "303"; then dnl gcc 3.3 and later WARN="$WARN -Wendif-labels -Wstrict-prototypes" fi if test "$gccnum" -ge "304"; then # try these on gcc 3.4 WARN="$WARN -Wdeclaration-after-statement" fi for flag in $CPPFLAGS; do case "$flag" in -I*) dnl Include path, provide a -isystem option for the same dir dnl to prevent warnings in those dirs. The -isystem was not very dnl reliable on earlier gcc versions. add=`echo $flag | sed 's/^-I/-isystem /g'` WARN="$WARN $add" ;; esac done fi dnl $ICC = no CFLAGS="$CFLAGS $WARN" AC_MSG_NOTICE([Added this set of compiler options: $WARN]) else dnl $GCC = yes AC_MSG_NOTICE([Added no extra compiler options]) fi dnl $GCC = yes dnl strip off optimizer flags NEWFLAGS="" for flag in $CFLAGS; do case "$flag" in -O*) dnl echo "cut off $flag" ;; *) NEWFLAGS="$NEWFLAGS $flag" ;; esac done CFLAGS=$NEWFLAGS ]) dnl end of AC_DEFUN() dnl This macro determines if the specified struct exists in the specified file dnl Syntax: dnl CARES_CHECK_STRUCT(headers, struct name, if found, [if not found]) AC_DEFUN([CARES_CHECK_STRUCT], [ AC_MSG_CHECKING([for struct $2]) AC_TRY_COMPILE([$1], [ struct $2 struct_instance; ], ac_struct="yes", ac_found="no") if test "$ac_struct" = "yes" ; then AC_MSG_RESULT(yes) $3 else AC_MSG_RESULT(no) $4 fi ]) dnl This macro determines if the specified constant exists in the specified file dnl Syntax: dnl CARES_CHECK_CONSTANT(headers, constant name, if found, [if not found]) AC_DEFUN([CARES_CHECK_CONSTANT], [ AC_MSG_CHECKING([for $2]) AC_EGREP_CPP(VARIABLEWASDEFINED, [ $1 #ifdef $2 VARIABLEWASDEFINED #else NJET #endif ], ac_constant="yes", ac_constant="no" ) if test "$ac_constant" = "yes" ; then AC_MSG_RESULT(yes) $3 else AC_MSG_RESULT(no) $4 fi ]) dnl CARES_CHECK_GETSERVBYPORT_R dnl ------------------------------------------------- dnl Test if the getservbyport_r function is available, dnl and find out how many parameters it takes. AC_DEFUN([CARES_CHECK_GETSERVBYPORT_R], [ AC_MSG_CHECKING([how many arguments getservbyport_r takes]) ac_func_getservbyport_r="unknown" AC_LINK_IFELSE([ AC_LANG_PROGRAM([[ #include ]],[[ int p1, p5; char *p2, p4[4096]; struct servent *p3, *p6; getservbyport_r(p1, p2, p3, p4, p5, &p6); ]]) ],[ ac_func_getservbyport_r="6" ]) if test "$ac_func_getservbyport_r" = "unknown"; then AC_LINK_IFELSE([ AC_LANG_PROGRAM([[ #include ]],[[ int p1, p5; char *p2, p4[4096]; struct servent *p3; getservbyport_r(p1, p2, p3, p4, p5); ]]) ],[ ac_func_getservbyport_r="5" ]) fi if test "$ac_func_getservbyport_r" = "unknown"; then AC_LINK_IFELSE([ AC_LANG_PROGRAM([[ #include ]],[[ int p1; char *p2; struct servent *p3; struct servent_data p4; getservbyport_r(p1, p2, p3, &p4); ]]) ],[ ac_func_getservbyport_r="4" ]) fi if test "$ac_func_getservbyport_r" = "unknown"; then AC_MSG_RESULT([not found]) else AC_MSG_RESULT($ac_func_getservbyport_r) AC_DEFINE(HAVE_GETSERVBYPORT_R, 1, [Specifies whether getservbyport_r is present]) AC_DEFINE_UNQUOTED(GETSERVBYPORT_R_ARGS, $ac_func_getservbyport_r, [Specifies the number of arguments to getservbyport_r]) if test "$ac_func_getservbyport_r" = "4" ; then AC_DEFINE(GETSERVBYPORT_R_BUFSIZE, sizeof(struct servent_data), [Specifies the size of the buffer to pass to getservbyport_r]) else AC_DEFINE(GETSERVBYPORT_R_BUFSIZE, 4096, [Specifies the size of the buffer to pass to getservbyport_r]) fi fi ])