diff options
Diffstat (limited to 'src/c-ares/acinclude.m4')
| -rw-r--r-- | src/c-ares/acinclude.m4 | 1915 |
1 files changed, 1915 insertions, 0 deletions
diff --git a/src/c-ares/acinclude.m4 b/src/c-ares/acinclude.m4 new file mode 100644 index 00000000..c255198e --- /dev/null +++ b/src/c-ares/acinclude.m4 @@ -0,0 +1,1915 @@ + + +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 CURL_CHECK_DEF_CC (SYMBOL, [INCLUDES], [SILENT]) +dnl ------------------------------------------------- +dnl Use the C compiler to find out only if the given symbol is defined +dnl or not, this can not find out its expansion. This macro will not use +dnl default includes even if no INCLUDES argument is given. This macro +dnl will run silently when invoked with three arguments. + +AC_DEFUN([CURL_CHECK_DEF_CC], [ + AS_VAR_PUSHDEF([ac_HaveDef], [curl_cv_have_def_$1])dnl + ifelse($3,,[AC_MSG_CHECKING([for compiler definition of $1])]) + AC_COMPILE_IFELSE([ + AC_LANG_SOURCE( +ifelse($2,,,[$2])[[ +int main (void) +{ +#ifdef $1 + return 0; +#else + force compilation error +#endif +} + ]]) + ],[ + tst_symbol_defined="yes" + ],[ + tst_symbol_defined="no" + ]) + if test "$tst_symbol_defined" = "yes"; then + AS_VAR_SET(ac_HaveDef, yes) + ifelse($3,,[AC_MSG_RESULT([yes])]) + else + AS_VAR_SET(ac_HaveDef, no) + ifelse($3,,[AC_MSG_RESULT([no])]) + fi + AS_VAR_POPDEF([ac_HaveDef])dnl +]) + + +dnl CARES_CHECK_LIB_XNET +dnl ------------------------------------------------- +dnl Verify if X/Open network library is required. + +AC_DEFUN([CARES_CHECK_LIB_XNET], [ + AC_MSG_CHECKING([if X/Open network library is required]) + tst_lib_xnet_required="no" + AC_COMPILE_IFELSE([ + AC_LANG_SOURCE([[ +int main (void) +{ +#if defined(__hpux) && defined(_XOPEN_SOURCE) && (_XOPEN_SOURCE >= 600) + return 0; +#elif defined(__hpux) && defined(_XOPEN_SOURCE_EXTENDED) + return 0; +#else + force compilation error +#endif +} + ]]) + ],[ + tst_lib_xnet_required="yes" + LIBS="$LIBS -lxnet" + ]) + AC_MSG_RESULT([$tst_lib_xnet_required]) +]) + + +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([$0], [CARES_CONFIGURE_REENTRANT])dnl + AC_MSG_CHECKING([if OS is AIX (to define _ALL_SOURCE)]) + AC_EGREP_CPP([yes_this_is_aix],[ +#ifdef _AIX + yes_this_is_aix +#endif + ],[ + AC_MSG_RESULT([yes]) + AC_DEFINE(_ALL_SOURCE) + ],[ + AC_MSG_RESULT([no]) + ]) +]) + + +dnl CURL_CHECK_HEADER_WINDOWS +dnl ------------------------------------------------- +dnl Check for compilable and valid windows.h header + +AC_DEFUN([CURL_CHECK_HEADER_WINDOWS], [ + AC_CACHE_CHECK([for windows.h], [ac_cv_header_windows_h], [ + AC_COMPILE_IFELSE([ + AC_LANG_PROGRAM([[ +#undef inline +#ifndef WIN32_LEAN_AND_MEAN +#define WIN32_LEAN_AND_MEAN +#endif +#include <windows.h> + ]],[[ +#if defined(__CYGWIN__) || defined(__CEGCC__) + HAVE_WINDOWS_H shall not be defined. +#else + int dummy=2*WINVER; +#endif + ]]) + ],[ + ac_cv_header_windows_h="yes" + ],[ + ac_cv_header_windows_h="no" + ]) + ]) + case "$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 "$ac_cv_header_windows_h" = "no"; then + ac_cv_native_windows="no" + else + AC_COMPILE_IFELSE([ + AC_LANG_PROGRAM([[ + ]],[[ +#if defined(__MINGW32__) || defined(__MINGW32CE__) || \ + (defined(_MSC_VER) && (defined(_WIN32) || defined(_WIN64))) + int dummy=1; +#else + Not a native Windows build target. +#endif + ]]) + ],[ + ac_cv_native_windows="yes" + ],[ + ac_cv_native_windows="no" + ]) + fi + ]) + AM_CONDITIONAL(DOING_NATIVE_WINDOWS, test "x$ac_cv_native_windows" = xyes) +]) + + +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 <windows.h> +#include <winsock.h> + ]],[[ +#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 "$ac_cv_header_winsock_h" in + yes) + AC_DEFINE_UNQUOTED(HAVE_WINSOCK_H, 1, + [Define to 1 if you have the winsock.h header file.]) + ;; + esac +]) + + +dnl CURL_CHECK_HEADER_WINSOCK2 +dnl ------------------------------------------------- +dnl Check for compilable and valid winsock2.h header + +AC_DEFUN([CURL_CHECK_HEADER_WINSOCK2], [ + AC_REQUIRE([CURL_CHECK_HEADER_WINDOWS])dnl + AC_CACHE_CHECK([for winsock2.h], [ac_cv_header_winsock2_h], [ + AC_COMPILE_IFELSE([ + AC_LANG_PROGRAM([[ +#undef inline +#ifndef WIN32_LEAN_AND_MEAN +#define WIN32_LEAN_AND_MEAN +#endif +#include <windows.h> +#include <winsock2.h> + ]],[[ +#if defined(__CYGWIN__) || defined(__CEGCC__) || defined(__MINGW32CE__) + HAVE_WINSOCK2_H shall not be defined. +#else + int dummy=2*IPPROTO_ESP; +#endif + ]]) + ],[ + ac_cv_header_winsock2_h="yes" + ],[ + ac_cv_header_winsock2_h="no" + ]) + ]) + case "$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 <windows.h> +#include <winsock2.h> +#include <ws2tcpip.h> + ]],[[ +#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 "$ac_cv_header_ws2tcpip_h" in + yes) + AC_DEFINE_UNQUOTED(HAVE_WS2TCPIP_H, 1, + [Define to 1 if you have the ws2tcpip.h header file.]) + ;; + esac +]) + + +dnl CURL_CHECK_HEADER_MALLOC +dnl ------------------------------------------------- +dnl Check for compilable and valid malloc.h header, +dnl and check if it is needed even with stdlib.h + +AC_DEFUN([CURL_CHECK_HEADER_MALLOC], [ + AC_CACHE_CHECK([for malloc.h], [ac_cv_header_malloc_h], [ + AC_COMPILE_IFELSE([ + AC_LANG_PROGRAM([[ +#include <malloc.h> + ]],[[ + void *p = malloc(10); + void *q = calloc(10,10); + free(p); + free(q); + ]]) + ],[ + ac_cv_header_malloc_h="yes" + ],[ + ac_cv_header_malloc_h="no" + ]) + ]) + if test "$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 <stdlib.h> + ]],[[ + 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 "$curl_cv_need_header_malloc_h" in + yes) + AC_DEFINE_UNQUOTED(NEED_MALLOC_H, 1, + [Define to 1 if you need the malloc.h header file even with stdlib.h]) + ;; + esac + fi +]) + + +dnl CURL_CHECK_HEADER_MEMORY +dnl ------------------------------------------------- +dnl Check for compilable and valid memory.h header, +dnl and check if it is needed even with stdlib.h for +dnl memory related functions. + +AC_DEFUN([CURL_CHECK_HEADER_MEMORY], [ + AC_CACHE_CHECK([for memory.h], [ac_cv_header_memory_h], [ + AC_COMPILE_IFELSE([ + AC_LANG_PROGRAM([[ +#include <memory.h> + ]],[[ + void *p = malloc(10); + void *q = calloc(10,10); + free(p); + free(q); + ]]) + ],[ + ac_cv_header_memory_h="yes" + ],[ + ac_cv_header_memory_h="no" + ]) + ]) + if test "$ac_cv_header_memory_h" = "yes"; then + AC_DEFINE_UNQUOTED(HAVE_MEMORY_H, 1, + [Define to 1 if you have the memory.h header file.]) + # + AC_COMPILE_IFELSE([ + AC_LANG_PROGRAM([[ +#include <stdlib.h> + ]],[[ + void *p = malloc(10); + void *q = calloc(10,10); + free(p); + free(q); + ]]) + ],[ + curl_cv_need_header_memory_h="no" + ],[ + curl_cv_need_header_memory_h="yes" + ]) + # + case "$curl_cv_need_header_memory_h" in + yes) + AC_DEFINE_UNQUOTED(NEED_MEMORY_H, 1, + [Define to 1 if you need the memory.h header file even with stdlib.h]) + ;; + esac + fi +]) + + +dnl CURL_CHECK_FUNC_GETNAMEINFO +dnl ------------------------------------------------- +dnl Test if the getnameinfo function is available, +dnl and check the types of five of its arguments. +dnl If the function succeeds HAVE_GETNAMEINFO will be +dnl defined, defining the types of the arguments in +dnl GETNAMEINFO_TYPE_ARG1, GETNAMEINFO_TYPE_ARG2, +dnl GETNAMEINFO_TYPE_ARG46 and GETNAMEINFO_TYPE_ARG7, +dnl and also defining the type qualifier of first +dnl argument in GETNAMEINFO_QUAL_ARG1. + +AC_DEFUN([CURL_CHECK_FUNC_GETNAMEINFO], [ + AC_REQUIRE([CURL_CHECK_HEADER_WS2TCPIP])dnl + AC_CHECK_HEADERS(sys/types.h sys/socket.h netdb.h) + # + AC_MSG_CHECKING([for getnameinfo]) + AC_LINK_IFELSE([ + AC_LANG_FUNC_LINK_TRY([getnameinfo]) + ],[ + AC_MSG_RESULT([yes]) + curl_cv_getnameinfo="yes" + ],[ + AC_MSG_RESULT([no]) + curl_cv_getnameinfo="no" + ]) + # + if test "$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 "$curl_cv_getnameinfo" != "yes"; then + AC_MSG_CHECKING([deeper and deeper for getnameinfo]) + AC_LINK_IFELSE([ + AC_LANG_PROGRAM([[ +#undef inline +#ifdef HAVE_WINDOWS_H +#ifndef WIN32_LEAN_AND_MEAN +#define WIN32_LEAN_AND_MEAN +#endif +#include <windows.h> +#ifdef HAVE_WINSOCK2_H +#include <winsock2.h> +#ifdef HAVE_WS2TCPIP_H +#include <ws2tcpip.h> +#endif +#endif +#else +#ifdef HAVE_SYS_TYPES_H +#include <sys/types.h> +#endif +#ifdef HAVE_SYS_SOCKET_H +#include <sys/socket.h> +#endif +#ifdef HAVE_NETDB_H +#include <netdb.h> +#endif +#endif + ]],[[ + getnameinfo(0, 0, 0, 0, 0, 0, 0); + ]]) + ],[ + AC_MSG_RESULT([yes]) + curl_cv_getnameinfo="yes" + ],[ + AC_MSG_RESULT([but still no]) + curl_cv_getnameinfo="no" + ]) + fi + # + if test "$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 "$curl_cv_func_getnameinfo_args" = "unknown"; then + AC_COMPILE_IFELSE([ + AC_LANG_PROGRAM([[ +#undef inline +#ifdef HAVE_WINDOWS_H +#ifndef WIN32_LEAN_AND_MEAN +#define WIN32_LEAN_AND_MEAN +#endif +#if (!defined(_WIN32_WINNT)) || (_WIN32_WINNT < 0x0501) +#undef _WIN32_WINNT +#define _WIN32_WINNT 0x0501 +#endif +#include <windows.h> +#ifdef HAVE_WINSOCK2_H +#include <winsock2.h> +#ifdef HAVE_WS2TCPIP_H +#include <ws2tcpip.h> +#endif +#endif +#define GNICALLCONV WSAAPI +#else +#ifdef HAVE_SYS_TYPES_H +#include <sys/types.h> +#endif +#ifdef HAVE_SYS_SOCKET_H +#include <sys/socket.h> +#endif +#ifdef HAVE_NETDB_H +#include <netdb.h> +#endif +#define GNICALLCONV +#endif + extern int GNICALLCONV getnameinfo($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 <windows.h> +#ifdef HAVE_WINSOCK2_H +#include <winsock2.h> +#endif +#else +#ifdef HAVE_SYS_TYPES_H +#include <sys/types.h> +#endif +#ifdef HAVE_SYS_SOCKET_H +#include <sys/socket.h> +#endif +#ifdef HAVE_NETINET_IN_H +#include <netinet/in.h> +#endif +#ifdef HAVE_ARPA_INET_H +#include <arpa/inet.h> +#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 <stdlib.h> +#endif +#ifdef HAVE_STDIO_H +#include <stdio.h> +#endif +#ifdef HAVE_SYS_TYPES_H +#include <sys/types.h> +#endif +#ifdef HAVE_SYS_SOCKET_H +#include <sys/socket.h> +#endif +#ifdef HAVE_NETDB_H +#include <netdb.h> +#endif +#ifdef HAVE_NETINET_IN_H +#include <netinet/in.h> +#endif +#ifdef HAVE_ARPA_INET_H +#include <arpa/inet.h> +#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 <sys/types.h> +#include <sys/socket.h> +#include <netdb.h> + ]],[[ + 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 <windows.h> +#ifdef HAVE_WINSOCK2_H +#include <winsock2.h> +#else +#ifdef HAVE_WINSOCK_H +#include <winsock.h> +#endif +#endif +#else +#ifdef HAVE_SYS_TYPES_H +#include <sys/types.h> +#endif +#ifdef HAVE_SYS_SOCKET_H +#include <sys/socket.h> +#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 <windows.h> +#ifdef HAVE_WINSOCK2_H +#include <winsock2.h> +#else +#ifdef HAVE_WINSOCK_H +#include <winsock.h> +#endif +#endif +#define RECVCALLCONV PASCAL +#else +#ifdef HAVE_SYS_TYPES_H +#include <sys/types.h> +#endif +#ifdef HAVE_SYS_SOCKET_H +#include <sys/socket.h> +#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, $[5], + [Define to the function return type for recv.]) + # + AC_DEFINE_UNQUOTED(HAVE_RECV, 1, + [Define to 1 if you have the recv function.]) + ac_cv_func_recv="yes" + fi + else + AC_MSG_ERROR([Unable to link function recv]) + fi +]) + + +dnl CURL_CHECK_FUNC_SEND +dnl ------------------------------------------------- +dnl Test if the socket send() function is available, +dnl and check its return type and the types of its +dnl arguments. If the function succeeds HAVE_SEND +dnl will be defined, defining the types of the arguments +dnl in SEND_TYPE_ARG1, SEND_TYPE_ARG2, SEND_TYPE_ARG3 +dnl and SEND_TYPE_ARG4, defining the type of the function +dnl return value in SEND_TYPE_RETV, and also defining the +dnl type qualifier of second argument in SEND_QUAL_ARG2. + +AC_DEFUN([CURL_CHECK_FUNC_SEND], [ + AC_REQUIRE([CURL_CHECK_HEADER_WINSOCK])dnl + AC_REQUIRE([CURL_CHECK_HEADER_WINSOCK2])dnl + AC_CHECK_HEADERS(sys/types.h sys/socket.h) + # + AC_MSG_CHECKING([for send]) + AC_LINK_IFELSE([ + AC_LANG_PROGRAM([[ +#undef inline +#ifdef HAVE_WINDOWS_H +#ifndef WIN32_LEAN_AND_MEAN +#define WIN32_LEAN_AND_MEAN +#endif +#include <windows.h> +#ifdef HAVE_WINSOCK2_H +#include <winsock2.h> +#else +#ifdef HAVE_WINSOCK_H +#include <winsock.h> +#endif +#endif +#else +#ifdef HAVE_SYS_TYPES_H +#include <sys/types.h> +#endif +#ifdef HAVE_SYS_SOCKET_H +#include <sys/socket.h> +#endif +#endif + ]],[[ + send(0, 0, 0, 0); + ]]) + ],[ + AC_MSG_RESULT([yes]) + curl_cv_send="yes" + ],[ + AC_MSG_RESULT([no]) + curl_cv_send="no" + ]) + # + if test "$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 <windows.h> +#ifdef HAVE_WINSOCK2_H +#include <winsock2.h> +#else +#ifdef HAVE_WINSOCK_H +#include <winsock.h> +#endif +#endif +#define SENDCALLCONV PASCAL +#else +#ifdef HAVE_SYS_TYPES_H +#include <sys/types.h> +#endif +#ifdef HAVE_SYS_SOCKET_H +#include <sys/socket.h> +#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 $prev_sh_opts in + *f*) + ;; + *) + set +f + ;; + esac + # + AC_DEFINE_UNQUOTED(HAVE_SEND, 1, + [Define to 1 if you have the send function.]) + ac_cv_func_send="yes" + fi + else + AC_MSG_ERROR([Unable to link function send]) + fi +]) + + +dnl CURL_CHECK_FUNC_RECVFROM +dnl ------------------------------------------------- +dnl Test if the socket recvfrom() function is available, +dnl and check its return type and the types of its +dnl arguments. If the function succeeds HAVE_RECVFROM +dnl will be defined, defining the types of the arguments +dnl in RECVFROM_TYPE_ARG1, RECVFROM_TYPE_ARG2, and so on +dnl to RECVFROM_TYPE_ARG6, defining also the type of the +dnl function return value in RECVFROM_TYPE_RETV. +dnl Notice that the types returned for pointer arguments +dnl will actually be the type pointed by the pointer. + +AC_DEFUN([CURL_CHECK_FUNC_RECVFROM], [ + AC_REQUIRE([CURL_CHECK_HEADER_WINSOCK])dnl + AC_REQUIRE([CURL_CHECK_HEADER_WINSOCK2])dnl + AC_CHECK_HEADERS(sys/types.h sys/socket.h) + # + AC_MSG_CHECKING([for recvfrom]) + AC_LINK_IFELSE([ + AC_LANG_PROGRAM([[ +#undef inline +#ifdef HAVE_WINDOWS_H +#ifndef WIN32_LEAN_AND_MEAN +#define WIN32_LEAN_AND_MEAN +#endif +#include <windows.h> +#ifdef HAVE_WINSOCK2_H +#include <winsock2.h> +#else +#ifdef HAVE_WINSOCK_H +#include <winsock.h> +#endif +#endif +#else +#ifdef HAVE_SYS_TYPES_H +#include <sys/types.h> +#endif +#ifdef HAVE_SYS_SOCKET_H +#include <sys/socket.h> +#endif +#endif + ]],[[ + recvfrom(0, 0, 0, 0, 0, 0); + ]]) + ],[ + AC_MSG_RESULT([yes]) + curl_cv_recvfrom="yes" + ],[ + AC_MSG_RESULT([no]) + curl_cv_recvfrom="no" + ]) + # + if test "$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 *' 'const struct sockaddr *'; 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 <windows.h> +#ifdef HAVE_WINSOCK2_H +#include <winsock2.h> +#else +#ifdef HAVE_WINSOCK_H +#include <winsock.h> +#endif +#endif +#define RECVFROMCALLCONV PASCAL +#else +#ifdef HAVE_SYS_TYPES_H +#include <sys/types.h> +#endif +#ifdef HAVE_SYS_SOCKET_H +#include <sys/socket.h> +#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=$[2] + recvfrom_qual_ptrt_arg5=$[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 $prev_sh_opts in + *f*) + ;; + *) + set -f + ;; + esac + # + case "$recvfrom_qual_ptrt_arg5" in + const*) + recvfrom_qual_arg5=const + recvfrom_ptrt_arg5=`echo $recvfrom_qual_ptrt_arg5 | sed 's/^const //'` + ;; + *) + recvfrom_qual_arg5= + recvfrom_ptrt_arg5=$recvfrom_qual_ptrt_arg5 + ;; + 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_QUAL_ARG5, $recvfrom_qual_arg5, + [Define to the type qualifier pointed by arg 5 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 $prev_sh_opts in + *f*) + ;; + *) + set +f + ;; + esac + # + AC_DEFINE_UNQUOTED(HAVE_RECVFROM, 1, + [Define to 1 if you have the recvfrom function.]) + ac_cv_func_recvfrom="yes" + fi + else + AC_MSG_WARN([Unable to link function recvfrom]) + AC_MSG_WARN([Your system will be vulnerable to some forms of DNS cache poisoning]) + fi +]) + + +dnl CURL_CHECK_MSG_NOSIGNAL +dnl ------------------------------------------------- +dnl Check for MSG_NOSIGNAL + +AC_DEFUN([CURL_CHECK_MSG_NOSIGNAL], [ + AC_CHECK_HEADERS(sys/types.h sys/socket.h) + AC_CACHE_CHECK([for MSG_NOSIGNAL], [ac_cv_msg_nosignal], [ + AC_COMPILE_IFELSE([ + AC_LANG_PROGRAM([[ +#undef inline +#ifdef HAVE_WINDOWS_H +#ifndef WIN32_LEAN_AND_MEAN +#define WIN32_LEAN_AND_MEAN +#endif +#include <windows.h> +#ifdef HAVE_WINSOCK2_H +#include <winsock2.h> +#else +#ifdef HAVE_WINSOCK_H +#include <winsock.h> +#endif +#endif +#else +#ifdef HAVE_SYS_TYPES_H +#include <sys/types.h> +#endif +#ifdef HAVE_SYS_SOCKET_H +#include <sys/socket.h> +#endif +#endif + ]],[[ + int flag=MSG_NOSIGNAL; + ]]) + ],[ + ac_cv_msg_nosignal="yes" + ],[ + ac_cv_msg_nosignal="no" + ]) + ]) + case "$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 sys/socket.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 <windows.h> +#ifdef HAVE_WINSOCK2_H +#include <winsock2.h> +#else +#ifdef HAVE_WINSOCK_H +#include <winsock.h> +#endif +#endif +#endif +#ifdef HAVE_SYS_TYPES_H +#include <sys/types.h> +#endif +#ifdef HAVE_SYS_TIME_H +#include <sys/time.h> +#ifdef TIME_WITH_SYS_TIME +#include <time.h> +#endif +#else +#ifdef HAVE_TIME_H +#include <time.h> +#endif +#endif +#ifdef HAVE_SYS_SOCKET_H +#include <sys/socket.h> +#endif + ]],[[ + struct timeval ts; + ts.tv_sec = 0; + ts.tv_usec = 0; + ]]) + ],[ + ac_cv_struct_timeval="yes" + ],[ + ac_cv_struct_timeval="no" + ]) + ]) + case "$ac_cv_struct_timeval" in + yes) + AC_DEFINE_UNQUOTED(HAVE_STRUCT_TIMEVAL, 1, + [Define to 1 if you have the timeval struct.]) + ;; + esac +]) + + +dnl TYPE_SIG_ATOMIC_T +dnl ------------------------------------------------- +dnl Check if the sig_atomic_t type is available, and +dnl verify if it is already defined as volatile. + +AC_DEFUN([TYPE_SIG_ATOMIC_T], [ + AC_CHECK_HEADERS(signal.h) + AC_CHECK_TYPE([sig_atomic_t],[ + AC_DEFINE(HAVE_SIG_ATOMIC_T, 1, + [Define to 1 if sig_atomic_t is an available typedef.]) + ], ,[ +#ifdef HAVE_SIGNAL_H +#include <signal.h> +#endif + ]) + case "$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 <signal.h> +#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 <windows.h> +#ifdef HAVE_WINSOCK2_H +#include <winsock2.h> +#else +#ifdef HAVE_WINSOCK_H +#include <winsock.h> +#endif +#endif +#else +#ifdef HAVE_SYS_TYPES_H +#include <sys/types.h> +#endif +#ifdef HAVE_SYS_SOCKET_H +#include <sys/socket.h> +#endif +#ifdef HAVE_NETINET_IN_H +#include <netinet/in.h> +#endif +#ifdef HAVE_ARPA_INET_H +#include <arpa/inet.h> +#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, $curl_cv_in_addr_t_equiv, + [Type to use in place of in_addr_t when system does not provide it.]) + ;; + esac + ],[ +#undef inline +#ifdef HAVE_WINDOWS_H +#ifndef WIN32_LEAN_AND_MEAN +#define WIN32_LEAN_AND_MEAN +#endif +#include <windows.h> +#ifdef HAVE_WINSOCK2_H +#include <winsock2.h> +#else +#ifdef HAVE_WINSOCK_H +#include <winsock.h> +#endif +#endif +#else +#ifdef HAVE_SYS_TYPES_H +#include <sys/types.h> +#endif +#ifdef HAVE_SYS_SOCKET_H +#include <sys/socket.h> +#endif +#ifdef HAVE_NETINET_IN_H +#include <netinet/in.h> +#endif +#ifdef HAVE_ARPA_INET_H +#include <arpa/inet.h> +#endif +#endif + ]) +]) + + +dnl CURL_CHECK_FUNC_CLOCK_GETTIME_MONOTONIC +dnl ------------------------------------------------- +dnl Check if monotonic clock_gettime is available. + +AC_DEFUN([CURL_CHECK_FUNC_CLOCK_GETTIME_MONOTONIC], [ + AC_REQUIRE([AC_HEADER_TIME])dnl + AC_CHECK_HEADERS(sys/types.h sys/time.h time.h) + AC_MSG_CHECKING([for monotonic clock_gettime]) + AC_COMPILE_IFELSE([ + AC_LANG_PROGRAM([[ +#ifdef HAVE_SYS_TYPES_H +#include <sys/types.h> +#endif +#ifdef HAVE_SYS_TIME_H +#include <sys/time.h> +#ifdef TIME_WITH_SYS_TIME +#include <time.h> +#endif +#else +#ifdef HAVE_TIME_H +#include <time.h> +#endif +#endif + ]],[[ + struct timespec ts; + (void)clock_gettime(CLOCK_MONOTONIC, &ts); + ]]) + ],[ + AC_MSG_RESULT([yes]) + ac_cv_func_clock_gettime="yes" + ],[ + AC_MSG_RESULT([no]) + ac_cv_func_clock_gettime="no" + ]) + dnl Definition of HAVE_CLOCK_GETTIME_MONOTONIC is intentionally postponed + dnl until library linking and run-time checks for clock_gettime succeed. +]) + + +dnl CURL_CHECK_LIBS_CLOCK_GETTIME_MONOTONIC +dnl ------------------------------------------------- +dnl If monotonic clock_gettime is available then, +dnl check and prepended to LIBS any needed libraries. + +AC_DEFUN([CURL_CHECK_LIBS_CLOCK_GETTIME_MONOTONIC], [ + AC_REQUIRE([CURL_CHECK_FUNC_CLOCK_GETTIME_MONOTONIC])dnl + # + if test "$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 $curl_cv_save_LIBS" + fi + AC_LINK_IFELSE([ + AC_LANG_PROGRAM([[ +#ifdef HAVE_SYS_TYPES_H +#include <sys/types.h> +#endif +#ifdef HAVE_SYS_TIME_H +#include <sys/time.h> +#ifdef TIME_WITH_SYS_TIME +#include <time.h> +#endif +#else +#ifdef HAVE_TIME_H +#include <time.h> +#endif +#endif + ]],[[ + struct timespec ts; + (void)clock_gettime(CLOCK_MONOTONIC, &ts); + ]]) + ],[ + curl_cv_gclk_LIBS="$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 <stdlib.h> +#endif +#ifdef HAVE_SYS_TYPES_H +#include <sys/types.h> +#endif +#ifdef HAVE_SYS_TIME_H +#include <sys/time.h> +#ifdef TIME_WITH_SYS_TIME +#include <time.h> +#endif +#else +#ifdef HAVE_TIME_H +#include <time.h> +#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 CARES_CHECK_LIBS_CONNECT +dnl ------------------------------------------------- +dnl Verify if network connect function is already available +dnl using current libraries or if another one is required. + +AC_DEFUN([CARES_CHECK_LIBS_CONNECT], [ + AC_REQUIRE([CARES_INCLUDES_WINSOCK2])dnl + AC_MSG_CHECKING([for connect in libraries]) + tst_connect_save_LIBS="$LIBS" + tst_connect_need_LIBS="unknown" + for tst_lib in '' '-lsocket' ; do + if test "$tst_connect_need_LIBS" = "unknown"; then + LIBS="$tst_lib $tst_connect_save_LIBS" + AC_LINK_IFELSE([ + AC_LANG_PROGRAM([[ + $cares_includes_winsock2 + #ifndef HAVE_WINDOWS_H + int connect(int, void*, int); + #endif + ]],[[ + if(0 != connect(0, 0, 0)) + return 1; + ]]) + ],[ + tst_connect_need_LIBS="$tst_lib" + ]) + fi + done + LIBS="$tst_connect_save_LIBS" + # + case X-"$tst_connect_need_LIBS" in + X-unknown) + AC_MSG_RESULT([cannot find connect]) + AC_MSG_ERROR([cannot find connect function in libraries.]) + ;; + X-) + AC_MSG_RESULT([yes]) + ;; + *) + AC_MSG_RESULT([$tst_connect_need_LIBS]) + LIBS="$tst_connect_need_LIBS $tst_connect_save_LIBS" + ;; + esac +]) + + +dnl CARES_DEFINE_UNQUOTED (VARIABLE, [VALUE]) +dnl ------------------------------------------------- +dnl Like AC_DEFINE_UNQUOTED this macro will define a C preprocessor +dnl symbol that can be further used in custom template configuration +dnl files. This macro, unlike AC_DEFINE_UNQUOTED, does not use a third +dnl argument for the description. Symbol definitions done with this +dnl macro are intended to be exclusively used in handcrafted *.h.in +dnl template files. Contrary to what AC_DEFINE_UNQUOTED does, this one +dnl prevents autoheader generation and insertion of symbol template +dnl stub and definition into the first configuration header file. Do +dnl not use this macro as a replacement for AC_DEFINE_UNQUOTED, each +dnl one serves different functional needs. + +AC_DEFUN([CARES_DEFINE_UNQUOTED], [ +cat >>confdefs.h <<_EOF +[@%:@define] $1 ifelse($#, 2, [$2], 1) +_EOF +]) + +dnl CARES_CONFIGURE_ARES_SOCKLEN_T +dnl ------------------------------------------------- +dnl Find out suitable ares_socklen_t data type definition and size, making +dnl appropriate definitions for template file ares_build.h.in +dnl to properly configure and use the library. +dnl +dnl The need for the ares_socklen_t definition arises mainly to properly +dnl interface HP-UX systems which on one hand have a typedef'ed socklen_t +dnl data type which is 32 or 64-Bit wide depending on the data model being +dnl used, and that on the other hand is only actually used when interfacing +dnl the X/Open sockets provided in the xnet library. + +AC_DEFUN([CARES_CONFIGURE_ARES_SOCKLEN_T], [ + AC_REQUIRE([CARES_INCLUDES_WS2TCPIP])dnl + AC_REQUIRE([CARES_INCLUDES_SYS_SOCKET])dnl + AC_REQUIRE([CARES_PREPROCESS_CALLCONV])dnl + # + AC_MSG_CHECKING([for ares_socklen_t data type]) + cares_typeof_ares_socklen_t="unknown" + for arg1 in int SOCKET; do + for arg2 in 'struct sockaddr' void; do + for t in socklen_t int size_t 'unsigned int' long 'unsigned long' void; do + if test "$cares_typeof_ares_socklen_t" = "unknown"; then + AC_COMPILE_IFELSE([ + AC_LANG_PROGRAM([[ + $cares_includes_ws2tcpip + $cares_includes_sys_socket + $cares_preprocess_callconv + extern int FUNCALLCONV getpeername($arg1, $arg2 *, $t *); + ]],[[ + $t *lenptr = 0; + if(0 != getpeername(0, 0, lenptr)) + return 1; + ]]) + ],[ + cares_typeof_ares_socklen_t="$t" + ]) + fi + done + done + done + for t in socklen_t int; do + if test "$cares_typeof_ares_socklen_t" = "void"; then + AC_COMPILE_IFELSE([ + AC_LANG_PROGRAM([[ + $cares_includes_sys_socket + typedef $t ares_socklen_t; + ]],[[ + ares_socklen_t dummy; + ]]) + ],[ + cares_typeof_ares_socklen_t="$t" + ]) + fi + done + AC_MSG_RESULT([$cares_typeof_ares_socklen_t]) + if test "$cares_typeof_ares_socklen_t" = "void" || + test "$cares_typeof_ares_socklen_t" = "unknown"; then + AC_MSG_ERROR([cannot find data type for ares_socklen_t.]) + fi + # + AC_MSG_CHECKING([size of ares_socklen_t]) + cares_sizeof_ares_socklen_t="unknown" + cares_pull_headers_socklen_t="unknown" + if test "$ac_cv_header_ws2tcpip_h" = "yes"; then + tst_pull_header_checks='none ws2tcpip' + tst_size_checks='4' + else + tst_pull_header_checks='none systypes syssocket' + tst_size_checks='4 8 2' + fi + for tst_size in $tst_size_checks; do + for tst_pull_headers in $tst_pull_header_checks; do + if test "$cares_sizeof_ares_socklen_t" = "unknown"; then + case $tst_pull_headers in + ws2tcpip) + tmp_includes="$cares_includes_ws2tcpip" + ;; + systypes) + tmp_includes="$cares_includes_sys_types" + ;; + syssocket) + tmp_includes="$cares_includes_sys_socket" + ;; + *) + tmp_includes="" + ;; + esac + AC_COMPILE_IFELSE([ + AC_LANG_PROGRAM([[ + $tmp_includes + typedef $cares_typeof_ares_socklen_t ares_socklen_t; + typedef char dummy_arr[sizeof(ares_socklen_t) == $tst_size ? 1 : -1]; + ]],[[ + ares_socklen_t dummy; + ]]) + ],[ + cares_sizeof_ares_socklen_t="$tst_size" + cares_pull_headers_socklen_t="$tst_pull_headers" + ]) + fi + done + done + AC_MSG_RESULT([$cares_sizeof_ares_socklen_t]) + if test "$cares_sizeof_ares_socklen_t" = "unknown"; then + AC_MSG_ERROR([cannot find out size of ares_socklen_t.]) + fi + # + case $cares_pull_headers_socklen_t in + ws2tcpip) + CARES_DEFINE_UNQUOTED([CARES_PULL_WS2TCPIP_H]) + ;; + systypes) + CARES_DEFINE_UNQUOTED([CARES_PULL_SYS_TYPES_H]) + ;; + syssocket) + CARES_DEFINE_UNQUOTED([CARES_PULL_SYS_TYPES_H]) + CARES_DEFINE_UNQUOTED([CARES_PULL_SYS_SOCKET_H]) + ;; + esac + CARES_DEFINE_UNQUOTED([CARES_TYPEOF_ARES_SOCKLEN_T], [$cares_typeof_ares_socklen_t]) + CARES_DEFINE_UNQUOTED([CARES_SIZEOF_ARES_SOCKLEN_T], [$cares_sizeof_ares_socklen_t]) +]) + + +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 +]) + |