dnl CURL_CHECK_COMPILER_HALT_ON_ERROR dnl ------------------------------------------------- dnl Verifies if the compiler actually halts after the dnl compilation phase without generating any object dnl code file, when the source compiles with errors. AC_DEFUN([CURL_CHECK_COMPILER_HALT_ON_ERROR], [ AC_MSG_CHECKING([if compiler halts on compilation errors]) AC_COMPILE_IFELSE([ AC_LANG_PROGRAM([[ ]],[[ force compilation error ]]) ],[ AC_MSG_RESULT([no]) AC_MSG_ERROR([compiler does not halt on compilation errors.]) ],[ AC_MSG_RESULT([yes]) ]) ]) dnl CURL_CHECK_COMPILER_ARRAY_SIZE_NEGATIVE dnl ------------------------------------------------- dnl Verifies if the compiler actually halts after the dnl compilation phase without generating any object dnl code file, when the source code tries to define a dnl type for a constant array with negative dimension. AC_DEFUN([CURL_CHECK_COMPILER_ARRAY_SIZE_NEGATIVE], [ AC_REQUIRE([CURL_CHECK_COMPILER_HALT_ON_ERROR])dnl AC_MSG_CHECKING([if compiler halts on negative sized arrays]) AC_COMPILE_IFELSE([ AC_LANG_PROGRAM([[ typedef char bad_t[sizeof(char) == sizeof(int) ? -1 : -1 ]; ]],[[ bad_t dummy; ]]) ],[ AC_MSG_RESULT([no]) AC_MSG_ERROR([compiler does not halt on negative sized arrays.]) ],[ AC_MSG_RESULT([yes]) ]) ]) dnl CURL_CHECK_DEF (SYMBOL, [INCLUDES], [SILENT]) dnl ------------------------------------------------- dnl Use the C preprocessor to find out if the given object-style symbol dnl is defined and get its expansion. This macro will not use default dnl includes even if no INCLUDES argument is given. This macro will run dnl silently when invoked with three arguments. If the expansion would dnl result in a set of double-quoted strings the returned expansion will dnl actually be a single double-quoted string concatenating all them. AC_DEFUN([CURL_CHECK_DEF], [ AS_VAR_PUSHDEF([ac_HaveDef], [curl_cv_have_def_$1])dnl AS_VAR_PUSHDEF([ac_Def], [curl_cv_def_$1])dnl if test -z "$SED"; then AC_MSG_ERROR([SED not set. Cannot continue without SED being set.]) fi if test -z "$GREP"; then AC_MSG_ERROR([GREP not set. Cannot continue without GREP being set.]) fi ifelse($3,,[AC_MSG_CHECKING([for preprocessor definition of $1])]) tmp_exp="" AC_PREPROC_IFELSE([ AC_LANG_SOURCE( ifelse($2,,,[$2])[[ #ifdef $1 CURL_DEF_TOKEN $1 #endif ]]) ],[ tmp_exp=`eval "$ac_cpp conftest.$ac_ext" 2>/dev/null | \ "$GREP" CURL_DEF_TOKEN 2>/dev/null | \ "$SED" 's/.*CURL_DEF_TOKEN[[ ]]//' 2>/dev/null | \ "$SED" 's/[["]][[ ]]*[["]]//g' 2>/dev/null` if test -z "$tmp_exp" || test "$tmp_exp" = "$1"; then tmp_exp="" fi ]) if test -z "$tmp_exp"; then AS_VAR_SET(ac_HaveDef, no) ifelse($3,,[AC_MSG_RESULT([no])]) else AS_VAR_SET(ac_HaveDef, yes) AS_VAR_SET(ac_Def, $tmp_exp) ifelse($3,,[AC_MSG_RESULT([$tmp_exp])]) fi AS_VAR_POPDEF([ac_Def])dnl AS_VAR_POPDEF([ac_HaveDef])dnl ]) dnl CARES_CHECK_AIX_ALL_SOURCE dnl ------------------------------------------------- dnl Provides a replacement of traditional AC_AIX with dnl an uniform behaviour across all autoconf versions, dnl and with our own placement rules. AC_DEFUN([CARES_CHECK_AIX_ALL_SOURCE], [ AH_VERBATIM([_ALL_SOURCE], [/* Define to 1 if OS is AIX. */ #ifndef _ALL_SOURCE # undef _ALL_SOURCE #endif]) AC_BEFORE([$0], [AC_SYS_LARGEFILE])dnl AC_BEFORE([$0], [CARES_CONFIGURE_REENTRANT])dnl AC_MSG_CHECKING([if OS is AIX (to define _ALL_SOURCE)]) AC_EGREP_CPP([yes_this_is_aix],[ #ifdef _AIX yes_this_is_aix #endif ],[ AC_MSG_RESULT([yes]) AC_DEFINE(_ALL_SOURCE) ],[ AC_MSG_RESULT([no]) ]) ]) dnl CURL_CHECK_HEADER_WINDOWS dnl ------------------------------------------------- dnl Check for compilable and valid windows.h header AC_DEFUN([CURL_CHECK_HEADER_WINDOWS], [ AC_CACHE_CHECK([for windows.h], [ac_cv_header_windows_h], [ AC_COMPILE_IFELSE([ AC_LANG_PROGRAM([[ #undef inline #ifndef WIN32_LEAN_AND_MEAN #define WIN32_LEAN_AND_MEAN #endif #include ]],[[ #if defined(__CYGWIN__) || defined(__CEGCC__) HAVE_WINDOWS_H shall not be defined. #else int dummy=2*WINVER; #endif ]]) ],[ ac_cv_header_windows_h="yes" ],[ ac_cv_header_windows_h="no" ]) ]) case "$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 "$ac_cv_header_windows_h" = "no"; then ac_cv_native_windows="no" else AC_COMPILE_IFELSE([ AC_LANG_PROGRAM([[ ]],[[ #if defined(__MINGW32__) || defined(__MINGW32CE__) || \ (defined(_MSC_VER) && (defined(_WIN32) || defined(_WIN64))) int dummy=1; #else Not a native Windows build target. #endif ]]) ],[ ac_cv_native_windows="yes" ],[ ac_cv_native_windows="no" ]) fi ]) case "$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 "$curl_cv_need_header_malloc_h" in yes) AC_DEFINE_UNQUOTED(NEED_MALLOC_H, 1, [Define to 1 if you need the malloc.h header file even with stdlib.h]) ;; esac fi ]) dnl CURL_CHECK_TYPE_SOCKLEN_T dnl ------------------------------------------------- dnl Check for existing socklen_t type, and provide dnl an equivalent type if socklen_t not available AC_DEFUN([CURL_CHECK_TYPE_SOCKLEN_T], [ AC_REQUIRE([CURL_CHECK_HEADER_WS2TCPIP])dnl AC_CHECK_TYPE([socklen_t], ,[ dnl socklen_t not available AC_CACHE_CHECK([for socklen_t equivalent], [curl_cv_socklen_t_equiv], [ curl_cv_socklen_t_equiv="unknown" for arg1 in 'int' 'SOCKET'; do for arg2 in "struct sockaddr" void; do for t in int size_t unsigned long "unsigned long"; do if test "$curl_cv_socklen_t_equiv" = "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 #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" ]) fi 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, $curl_cv_socklen_t_equiv, [Type to use in place of socklen_t when system does not provide it.]) ;; esac ],[ #undef inline #ifdef HAVE_WINDOWS_H #ifndef WIN32_LEAN_AND_MEAN #define WIN32_LEAN_AND_MEAN #endif #include #ifdef HAVE_WINSOCK2_H #include #ifdef HAVE_WS2TCPIP_H #include #endif #endif #else #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SYS_SOCKET_H #include #endif #endif ]) ]) dnl CURL_CHECK_FUNC_GETNAMEINFO dnl ------------------------------------------------- dnl Test if the getnameinfo function is available, dnl and check the types of five of its arguments. dnl If the function succeeds HAVE_GETNAMEINFO will be dnl defined, defining the types of the arguments in dnl GETNAMEINFO_TYPE_ARG1, GETNAMEINFO_TYPE_ARG2, dnl GETNAMEINFO_TYPE_ARG46 and GETNAMEINFO_TYPE_ARG7, dnl and also defining the type qualifier of first dnl argument in GETNAMEINFO_QUAL_ARG1. AC_DEFUN([CURL_CHECK_FUNC_GETNAMEINFO], [ AC_REQUIRE([CURL_CHECK_HEADER_WS2TCPIP])dnl AC_REQUIRE([CURL_CHECK_TYPE_SOCKLEN_T])dnl AC_CHECK_HEADERS(sys/types.h sys/socket.h netdb.h) # AC_MSG_CHECKING([for getnameinfo]) AC_LINK_IFELSE([ AC_LANG_FUNC_LINK_TRY([getnameinfo]) ],[ AC_MSG_RESULT([yes]) curl_cv_getnameinfo="yes" ],[ AC_MSG_RESULT([no]) curl_cv_getnameinfo="no" ]) # if test "$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 if test "$curl_cv_func_getnameinfo_args" = "unknown"; then AC_COMPILE_IFELSE([ AC_LANG_PROGRAM([[ #undef inline #ifdef HAVE_WINDOWS_H #ifndef WIN32_LEAN_AND_MEAN #define WIN32_LEAN_AND_MEAN #endif #if (!defined(_WIN32_WINNT)) || (_WIN32_WINNT < 0x0501) #undef _WIN32_WINNT #define _WIN32_WINNT 0x0501 #endif #include #ifdef HAVE_WINSOCK2_H #include #ifdef HAVE_WS2TCPIP_H #include #endif #endif #define GNICALLCONV WSAAPI #else #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SYS_SOCKET_H #include #endif #ifdef HAVE_NETDB_H #include #endif #define GNICALLCONV #endif extern int GNICALLCONV getnameinfo($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,$gni_arg7" ]) fi done done done done ]) # AC-CACHE-CHECK if test "$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 ]) 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_STDLIB_H #include #endif #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 ]) 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 "$curl_cv_recv" = "yes"; then AC_CACHE_CHECK([types of args and return type for recv], [curl_cv_func_recv_args], [ curl_cv_func_recv_args="unknown" for recv_retv in 'int' 'ssize_t'; do for recv_arg1 in 'int' 'ssize_t' 'SOCKET'; do for recv_arg2 in 'char *' 'void *'; do for recv_arg3 in 'size_t' 'int' 'socklen_t' 'unsigned int'; do for recv_arg4 in 'int' 'unsigned int'; do if test "$curl_cv_func_recv_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 #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" ]) fi 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, $[5], [Define to the function return type for recv.]) # AC_DEFINE_UNQUOTED(HAVE_RECV, 1, [Define to 1 if you have the recv function.]) ac_cv_func_recv="yes" fi else AC_MSG_ERROR([Unable to link function recv]) fi ]) dnl CURL_CHECK_FUNC_SEND dnl ------------------------------------------------- dnl Test if the socket send() function is available, dnl and check its return type and the types of its dnl arguments. If the function succeeds HAVE_SEND dnl will be defined, defining the types of the arguments dnl in SEND_TYPE_ARG1, SEND_TYPE_ARG2, SEND_TYPE_ARG3 dnl and SEND_TYPE_ARG4, defining the type of the function dnl return value in SEND_TYPE_RETV, and also defining the dnl type qualifier of second argument in SEND_QUAL_ARG2. AC_DEFUN([CURL_CHECK_FUNC_SEND], [ AC_REQUIRE([CURL_CHECK_HEADER_WINSOCK])dnl AC_REQUIRE([CURL_CHECK_HEADER_WINSOCK2])dnl AC_CHECK_HEADERS(sys/types.h sys/socket.h) # AC_MSG_CHECKING([for send]) AC_LINK_IFELSE([ AC_LANG_PROGRAM([[ #undef inline #ifdef HAVE_WINDOWS_H #ifndef WIN32_LEAN_AND_MEAN #define WIN32_LEAN_AND_MEAN #endif #include #ifdef HAVE_WINSOCK2_H #include #else #ifdef HAVE_WINSOCK_H #include #endif #endif #else #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SYS_SOCKET_H #include #endif #endif ]],[[ send(0, 0, 0, 0); ]]) ],[ AC_MSG_RESULT([yes]) curl_cv_send="yes" ],[ AC_MSG_RESULT([no]) curl_cv_send="no" ]) # if test "$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 if test "$curl_cv_func_send_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 #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" ]) fi 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 $prev_sh_opts in *f*) ;; *) set +f ;; esac # AC_DEFINE_UNQUOTED(HAVE_SEND, 1, [Define to 1 if you have the send function.]) ac_cv_func_send="yes" fi else AC_MSG_ERROR([Unable to link function send]) fi ]) dnl CURL_CHECK_FUNC_RECVFROM dnl ------------------------------------------------- dnl Test if the socket recvfrom() function is available, dnl and check its return type and the types of its dnl arguments. If the function succeeds HAVE_RECVFROM dnl will be defined, defining the types of the arguments dnl in RECVFROM_TYPE_ARG1, RECVFROM_TYPE_ARG2, and so on dnl to RECVFROM_TYPE_ARG6, defining also the type of the dnl function return value in RECVFROM_TYPE_RETV. dnl Notice that the types returned for pointer arguments dnl will actually be the type pointed by the pointer. AC_DEFUN([CURL_CHECK_FUNC_RECVFROM], [ AC_REQUIRE([CURL_CHECK_HEADER_WINSOCK])dnl AC_REQUIRE([CURL_CHECK_HEADER_WINSOCK2])dnl AC_CHECK_HEADERS(sys/types.h sys/socket.h) # AC_MSG_CHECKING([for recvfrom]) AC_LINK_IFELSE([ AC_LANG_PROGRAM([[ #undef inline #ifdef HAVE_WINDOWS_H #ifndef WIN32_LEAN_AND_MEAN #define WIN32_LEAN_AND_MEAN #endif #include #ifdef HAVE_WINSOCK2_H #include #else #ifdef HAVE_WINSOCK_H #include #endif #endif #else #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SYS_SOCKET_H #include #endif #endif ]],[[ recvfrom(0, 0, 0, 0, 0, 0); ]]) ],[ AC_MSG_RESULT([yes]) curl_cv_recvfrom="yes" ],[ AC_MSG_RESULT([no]) curl_cv_recvfrom="no" ]) # if test "$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 *' 'void *'; 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 #ifdef HAVE_WINSOCK2_H #include #else #ifdef HAVE_WINSOCK_H #include #endif #endif #define RECVFROMCALLCONV PASCAL #else #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SYS_SOCKET_H #include #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 # Nearly last minute change for this release starts here AC_DEFINE_UNQUOTED(HAVE_RECVFROM, 1, [Define to 1 if you have the recvfrom function.]) ac_cv_func_recvfrom="yes" # Nearly last minute change for this release ends here if test "$curl_cv_func_recvfrom_args" = "unknown"; then AC_MSG_WARN([Cannot find proper types to use for recvfrom args]) else recvfrom_prev_IFS=$IFS; IFS=',' set dummy `echo "$curl_cv_func_recvfrom_args" | sed 's/\*/\*/g'` IFS=$recvfrom_prev_IFS shift # recvfrom_ptrt_arg2=$[2] recvfrom_ptrt_arg5=$[5] recvfrom_ptrt_arg6=$[6] # AC_DEFINE_UNQUOTED(RECVFROM_TYPE_ARG1, $[1], [Define to the type of arg 1 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_RETV, $[7], [Define to the function return type for recvfrom.]) # prev_sh_opts=$- # case $prev_sh_opts in *f*) ;; *) set -f ;; esac # recvfrom_type_arg2=`echo $recvfrom_ptrt_arg2 | sed 's/ \*//'` recvfrom_type_arg5=`echo $recvfrom_ptrt_arg5 | sed 's/ \*//'` recvfrom_type_arg6=`echo $recvfrom_ptrt_arg6 | sed 's/ \*//'` # AC_DEFINE_UNQUOTED(RECVFROM_TYPE_ARG2, $recvfrom_type_arg2, [Define to the type pointed by arg 2 for recvfrom.]) AC_DEFINE_UNQUOTED(RECVFROM_TYPE_ARG5, $recvfrom_type_arg5, [Define to the type pointed by arg 5 for recvfrom.]) AC_DEFINE_UNQUOTED(RECVFROM_TYPE_ARG6, $recvfrom_type_arg6, [Define to the type pointed by arg 6 for recvfrom.]) # if test "$recvfrom_type_arg2" = "void"; then AC_DEFINE_UNQUOTED(RECVFROM_TYPE_ARG2_IS_VOID, 1, [Define to 1 if the type pointed by arg 2 for recvfrom is void.]) fi if test "$recvfrom_type_arg5" = "void"; then AC_DEFINE_UNQUOTED(RECVFROM_TYPE_ARG5_IS_VOID, 1, [Define to 1 if the type pointed by arg 5 for recvfrom is void.]) fi if test "$recvfrom_type_arg6" = "void"; then AC_DEFINE_UNQUOTED(RECVFROM_TYPE_ARG6_IS_VOID, 1, [Define to 1 if the type pointed by arg 6 for recvfrom is void.]) fi # case $prev_sh_opts in *f*) ;; *) set +f ;; esac # AC_DEFINE_UNQUOTED(HAVE_RECVFROM, 1, [Define to 1 if you have the recvfrom function.]) ac_cv_func_recvfrom="yes" fi else AC_MSG_WARN([Unable to link function recvfrom]) AC_MSG_WARN([Your system will be vulnerable to some forms of DNS cache poisoning]) fi ]) dnl CURL_CHECK_MSG_NOSIGNAL dnl ------------------------------------------------- dnl Check for MSG_NOSIGNAL AC_DEFUN([CURL_CHECK_MSG_NOSIGNAL], [ AC_CHECK_HEADERS(sys/types.h sys/socket.h) AC_CACHE_CHECK([for MSG_NOSIGNAL], [ac_cv_msg_nosignal], [ AC_COMPILE_IFELSE([ AC_LANG_PROGRAM([[ #undef inline #ifdef HAVE_WINDOWS_H #ifndef WIN32_LEAN_AND_MEAN #define WIN32_LEAN_AND_MEAN #endif #include #ifdef HAVE_WINSOCK2_H #include #else #ifdef HAVE_WINSOCK_H #include #endif #endif #else #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SYS_SOCKET_H #include #endif #endif ]],[[ int flag=MSG_NOSIGNAL; ]]) ],[ ac_cv_msg_nosignal="yes" ],[ ac_cv_msg_nosignal="no" ]) ]) case "$ac_cv_msg_nosignal" in yes) AC_DEFINE_UNQUOTED(HAVE_MSG_NOSIGNAL, 1, [Define to 1 if you have the MSG_NOSIGNAL flag.]) ;; esac ]) 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 "$ac_cv_struct_timeval" in yes) AC_DEFINE_UNQUOTED(HAVE_STRUCT_TIMEVAL, 1, [Define to 1 if you have the timeval struct.]) ;; esac ]) dnl TYPE_SIG_ATOMIC_T dnl ------------------------------------------------- dnl Check if the sig_atomic_t type is available, and dnl verify if it is already defined as volatile. AC_DEFUN([TYPE_SIG_ATOMIC_T], [ AC_CHECK_HEADERS(signal.h) AC_CHECK_TYPE([sig_atomic_t],[ AC_DEFINE(HAVE_SIG_ATOMIC_T, 1, [Define to 1 if sig_atomic_t is an available typedef.]) ], ,[ #ifdef HAVE_SIGNAL_H #include #endif ]) case "$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 "$ac_cv_sig_atomic_t_volatile" = "yes"; then AC_DEFINE(HAVE_SIG_ATOMIC_T_VOLATILE, 1, [Define to 1 if sig_atomic_t is already defined as volatile.]) fi ;; esac ]) dnl TYPE_IN_ADDR_T dnl ------------------------------------------------- dnl Check for in_addr_t: it is used to receive the return code of inet_addr() dnl and a few other things. AC_DEFUN([TYPE_IN_ADDR_T], [ AC_CHECK_TYPE([in_addr_t], ,[ dnl in_addr_t not available AC_CACHE_CHECK([for in_addr_t equivalent], [curl_cv_in_addr_t_equiv], [ curl_cv_in_addr_t_equiv="unknown" for t in "unsigned long" int size_t unsigned long; do if test "$curl_cv_in_addr_t_equiv" = "unknown"; then 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" ]) fi done ]) case "$curl_cv_in_addr_t_equiv" in unknown) AC_MSG_ERROR([Cannot find a type to use in place of in_addr_t]) ;; *) AC_DEFINE_UNQUOTED(in_addr_t, $curl_cv_in_addr_t_equiv, [Type to use in place of in_addr_t when system does not provide it.]) ;; esac ],[ #undef inline #ifdef HAVE_WINDOWS_H #ifndef WIN32_LEAN_AND_MEAN #define WIN32_LEAN_AND_MEAN #endif #include #ifdef HAVE_WINSOCK2_H #include #else #ifdef HAVE_WINSOCK_H #include #endif #endif #else #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SYS_SOCKET_H #include #endif #ifdef HAVE_NETINET_IN_H #include #endif #ifdef HAVE_ARPA_INET_H #include #endif #endif ]) ]) dnl CURL_CHECK_FUNC_CLOCK_GETTIME_MONOTONIC dnl ------------------------------------------------- dnl Check if monotonic clock_gettime is available. AC_DEFUN([CURL_CHECK_FUNC_CLOCK_GETTIME_MONOTONIC], [ AC_REQUIRE([AC_HEADER_TIME])dnl AC_CHECK_HEADERS(sys/types.h sys/time.h time.h) AC_MSG_CHECKING([for monotonic clock_gettime]) AC_COMPILE_IFELSE([ AC_LANG_PROGRAM([[ #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SYS_TIME_H #include #ifdef TIME_WITH_SYS_TIME #include #endif #else #ifdef HAVE_TIME_H #include #endif #endif ]],[[ struct timespec ts; (void)clock_gettime(CLOCK_MONOTONIC, &ts); ]]) ],[ AC_MSG_RESULT([yes]) ac_cv_func_clock_gettime="yes" ],[ AC_MSG_RESULT([no]) ac_cv_func_clock_gettime="no" ]) dnl Definition of HAVE_CLOCK_GETTIME_MONOTONIC is intentionally postponed dnl until library linking and run-time checks for clock_gettime succeed. ]) dnl CURL_CHECK_LIBS_CLOCK_GETTIME_MONOTONIC dnl ------------------------------------------------- dnl If monotonic clock_gettime is available then, dnl check and prepended to LIBS any needed libraries. AC_DEFUN([CURL_CHECK_LIBS_CLOCK_GETTIME_MONOTONIC], [ AC_REQUIRE([CURL_CHECK_FUNC_CLOCK_GETTIME_MONOTONIC])dnl # if test "$ac_cv_func_clock_gettime" = "yes"; then # AC_MSG_CHECKING([for clock_gettime in libraries]) # curl_cv_save_LIBS="$LIBS" curl_cv_gclk_LIBS="unknown" # for x_xlibs in '' '-lrt' '-lposix4' ; do if test "$curl_cv_gclk_LIBS" = "unknown"; then 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" ]) fi 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 # dnl only do runtime verification when not cross-compiling if test "x$cross_compiling" != "xyes" && test "$ac_cv_func_clock_gettime" = "yes"; then AC_MSG_CHECKING([if monotonic clock_gettime works]) AC_RUN_IFELSE([ AC_LANG_PROGRAM([[ #ifdef HAVE_STDLIB_H #include #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 timespec ts; if (0 == clock_gettime(CLOCK_MONOTONIC, &ts)) exit(0); else exit(1); ]]) ],[ AC_MSG_RESULT([yes]) ],[ AC_MSG_RESULT([no]) AC_MSG_WARN([HAVE_CLOCK_GETTIME_MONOTONIC will not be defined]) ac_cv_func_clock_gettime="no" LIBS="$curl_cv_save_LIBS" ]) fi # case "$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 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 ])