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acinclude.m4
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acinclude.m4
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# Copyright (C) The c-ares project and its contributors
# SPDX-License-Identifier: MIT
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