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 ],[ int dummy=2*WINVER; ]) ],[ ac_cv_header_windows_h="yes" ],[ ac_cv_header_windows_h="no" ]) ]) if test "x$ac_cv_header_windows_h" = "xyes"; then AC_DEFINE_UNQUOTED(HAVE_WINDOWS_H, 1, [Define to 1 if you have the windows.h header file.]) AC_DEFINE_UNQUOTED(WIN32_LEAN_AND_MEAN, 1, [Define to avoid automatic inclusion of winsock.h]) fi ]) dnl CURL_CHECK_HEADER_WINSOCK dnl ------------------------------------------------- dnl Check for compilable and valid winsock.h header AC_DEFUN([CURL_CHECK_HEADER_WINSOCK], [ AC_REQUIRE([CURL_CHECK_HEADER_WINDOWS])dnl AC_CACHE_CHECK([for winsock.h], [ac_cv_header_winsock_h], [ AC_COMPILE_IFELSE([ AC_LANG_PROGRAM([ #undef inline #ifndef WIN32_LEAN_AND_MEAN #define WIN32_LEAN_AND_MEAN #endif #include #include ],[ int dummy=WSACleanup(); ]) ],[ ac_cv_header_winsock_h="yes" ],[ ac_cv_header_winsock_h="no" ]) ]) if test "x$ac_cv_header_winsock_h" = "xyes"; then AC_DEFINE_UNQUOTED(HAVE_WINSOCK_H, 1, [Define to 1 if you have the winsock.h header file.]) fi ]) 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 ],[ int dummy=2*IPPROTO_ESP; ]) ],[ ac_cv_header_winsock2_h="yes" ],[ ac_cv_header_winsock2_h="no" ]) ]) if test "x$ac_cv_header_winsock2_h" = "xyes"; then AC_DEFINE_UNQUOTED(HAVE_WINSOCK2_H, 1, [Define to 1 if you have the winsock2.h header file.]) fi ]) dnl CURL_CHECK_HEADER_WS2TCPIP dnl ------------------------------------------------- dnl Check for compilable and valid ws2tcpip.h header AC_DEFUN([CURL_CHECK_HEADER_WS2TCPIP], [ AC_REQUIRE([CURL_CHECK_HEADER_WINSOCK2])dnl AC_CACHE_CHECK([for ws2tcpip.h], [ac_cv_header_ws2tcpip_h], [ AC_COMPILE_IFELSE([ AC_LANG_PROGRAM([ #undef inline #ifndef WIN32_LEAN_AND_MEAN #define WIN32_LEAN_AND_MEAN #endif #include #include #include ],[ int dummy=2*IP_PKTINFO; ]) ],[ ac_cv_header_ws2tcpip_h="yes" ],[ ac_cv_header_ws2tcpip_h="no" ]) ]) if test "x$ac_cv_header_ws2tcpip_h" = "xyes"; then AC_DEFINE_UNQUOTED(HAVE_WS2TCPIP_H, 1, [Define to 1 if you have the ws2tcpip.h header file.]) 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], ,[ AC_CACHE_CHECK([for socklen_t equivalent], [curl_cv_socklen_t_equiv], [ curl_cv_socklen_t_equiv="unknown" 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 #else #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SYS_SOCKET_H #include #endif #endif int getpeername (int, $arg2 *, $t *); ],[ $t len=0; getpeername(0,0,&len); ]) ],[ curl_cv_socklen_t_equiv="$t" break 2 ]) done done ]) if test "$curl_cv_socklen_t_equiv" = "unknown"; then AC_MSG_ERROR([Cannot find a type to use in place of socklen_t]) else AC_DEFINE_UNQUOTED(socklen_t, $curl_cv_socklen_t_equiv, [type to use in place of socklen_t if not defined]) fi ],[ #undef inline #ifdef HAVE_WINDOWS_H #ifndef WIN32_LEAN_AND_MEAN #define WIN32_LEAN_AND_MEAN #endif #include #ifdef HAVE_WINSOCK2_H #include #ifdef HAVE_WS2TCPIP_H #include #endif #endif #else #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SYS_SOCKET_H #include #endif #endif ]) ]) dnl CURL_FUNC_GETNAMEINFO_ARGTYPES dnl ------------------------------------------------- dnl Check the type to be passed to five of the arguments dnl of getnameinfo function, and define those types in dnl GETNAMEINFO_TYPE_ARG1, GETNAMEINFO_TYPE_ARG2, dnl GETNAMEINFO_TYPE_ARG46 and GETNAMEINFO_TYPE_ARG7. dnl This function is experimental and its results shall dnl not be trusted while this notice is in place ------ AC_DEFUN([CURL_FUNC_GETNAMEINFO_ARGTYPES], [ AC_REQUIRE([CURL_CHECK_HEADER_WS2TCPIP])dnl AC_REQUIRE([CURL_CHECK_TYPE_SOCKLEN_T])dnl AC_CHECK_HEADERS(sys/types.h sys/socket.h netdb.h) AC_CACHE_CHECK([types of arguments for getnameinfo], [curl_cv_func_getnameinfo_args], [ curl_cv_func_getnameinfo_args="unknown" for gni_arg1 in 'struct sockaddr *' 'const struct sockaddr *' 'void *'; do for gni_arg2 in 'socklen_t' 'size_t' 'int'; do for gni_arg46 in 'size_t' 'int' 'socklen_t' 'unsigned int' 'DWORD'; do for gni_arg7 in 'int' 'unsigned int'; do AC_COMPILE_IFELSE([ AC_LANG_PROGRAM([ #undef inline #ifdef HAVE_WINDOWS_H #ifndef WIN32_LEAN_AND_MEAN #define WIN32_LEAN_AND_MEAN #endif #if defined(__MINGW32__) && ( (!defined(_WIN32_WINNT)) || (_WIN32_WINNT < 0x0501) ) #undef _WIN32_WINNT #define _WIN32_WINNT 0x0501 #endif #include #ifdef HAVE_WINSOCK2_H #include #ifdef HAVE_WS2TCPIP_H #include #endif #endif #else #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SYS_SOCKET_H #include #endif #ifdef HAVE_NETDB_H #include #endif #endif extern int getnameinfo($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,$gni_arg7" break 4 ]) done done done done ]) if test "$curl_cv_func_getnameinfo_args" = "unknown"; then AC_MSG_WARN([Cannot find proper types to use for getnameinfo args]) else gni_prev_IFS=$IFS; IFS=',' set dummy `echo "$curl_cv_func_getnameinfo_args" | sed 's/\*/\*/g'` IFS=$gni_prev_IFS shift AC_DEFINE_UNQUOTED(GETNAMEINFO_TYPE_ARG1, $[1], [Define to the type of arg 1 for getnameinfo.]) 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.]) fi ]) 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(_AIX4) # 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 socket; unsigned long 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!, 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_SOCKADDR_STORAGE dnl ------------------------------------------------- dnl Check for struct sockaddr_storage. Most IPv6-enabled hosts have it, but dnl 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 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_TRY_COMPILE([ #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, $curl_cv_in_addr_t_equiv, [type to use in place of in_addr_t if not defined])], [ #undef inline #ifdef HAVE_WINDOWS_H #ifndef WIN32_LEAN_AND_MEAN #define WIN32_LEAN_AND_MEAN #endif #include #ifdef HAVE_WINSOCK2_H #include #else #ifdef HAVE_WINSOCK_H #include #endif #endif #else #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SYS_SOCKET_H #include #endif #ifdef HAVE_NETINET_IN_H #include #endif #ifdef HAVE_ARPA_INET_H #include #endif #endif ]) dnl AC_CHECK_TYPE ]) dnl AC_DEFUN dnl We create a function for detecting which compiler we use and then set as dnl pendantic compiler options as possible for that particular compiler. The dnl options are only used for debug-builds. dnl This is a copy of the original found in curl's configure script. Don't dnl modify this one, edit the one in curl and copy it back here when that one dnl is changed. AC_DEFUN([CURL_CC_DEBUG_OPTS], [ if test "$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) AC_MSG_CHECKING([if this is icc 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" AC_MSG_RESULT([no]), dnl the text was not found, it was replaced by the cpp ICC="yes" AC_MSG_RESULT([yes]) ) if test "$ICC" = "yes"; then dnl this is icc, not gcc. dnl ICC warnings we ignore: dnl * 279 warns on static conditions in while expressions dnl * 269 warns on our "%Od" printf formatters for curl_off_t output: dnl "invalid format string conversion" WARN="-wd279,269" if test "$gccnum" -gt "600"; then dnl icc 6.0 and older doesn't have the -Wall flag WARN="-Wall $WARN" fi else dnl $ICC = yes dnl WARN="-W -Wall -Wwrite-strings -pedantic -Wno-long-long -Wundef -Wpointer-arith -Wnested-externs -Winline -Wmissing-declarations -Wmissing-prototypes -Wsign-compare" dnl -Wcast-align is a bit too annoying ;-) if test "$gccnum" -ge "296"; then dnl gcc 2.96 or later WARN="$WARN -Wfloat-equal" if test "$gccnum" -gt "296"; then dnl this option does not exist in 2.96 WARN="$WARN -Wno-format-nonliteral" fi dnl -Wunreachable-code seems totally unreliable on my gcc 3.3.2 on dnl on i686-Linux as it gives us heaps with false positives if test "$gccnum" -ge "303"; then dnl gcc 3.3 and later WARN="$WARN -Wendif-labels -Wstrict-prototypes" fi fi for flag in $CPPFLAGS; do case "$flag" in -I*) dnl include path add=`echo $flag | sed 's/^-I/-isystem /g'` WARN="$WARN $add" ;; esac done fi dnl $ICC = no CFLAGS="$CFLAGS $WARN" 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 This macro determines how many parameters getservbyport_r takes AC_DEFUN([CARES_CHECK_GETSERVBYPORT_R], [ AC_MSG_CHECKING([how many arguments getservbyport_r takes]) AC_TRY_COMPILE( [#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, [AC_TRY_COMPILE( [#include ], [ int p1, p5; char *p2, p4[4096]; struct servent *p3; getservbyport_r(p1, p2, p3, p4, p5); ], ac_func_getservbyport_r=5, [AC_TRY_COMPILE( [#include ], [ int p1; char *p2; struct servent *p3; struct servent_data p4; getservbyport_r(p1, p2, p3, &p4); ], ac_func_getservbyport_r=4, ac_func_getservbyport_r=0 )] )] ) if test $ac_func_getservbyport_r != "0" ; then AC_MSG_RESULT($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 else AC_MSG_RESULT([not found]) fi ])