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1583 lines (1440 loc) · 42.9 KB
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#***************************************************************************
# _ _ ____ _
# Project ___| | | | _ \| |
# / __| | | | |_) | |
# | (__| |_| | _ <| |___
# \___|\___/|_| \_\_____|
#
# Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
#
# This software is licensed as described in the file COPYING, which
# you should have received as part of this distribution. The terms
# are also available at https://curl.se/docs/copyright.html.
#
# You may opt to use, copy, modify, merge, publish, distribute and/or sell
# copies of the Software, and permit persons to whom the Software is
# furnished to do so, under the terms of the COPYING file.
#
# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
# KIND, either express or implied.
#
# SPDX-License-Identifier: curl
#
#***************************************************************************
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 does not use default
dnl includes even if no INCLUDES argument is given. This macro runs
dnl silently when invoked with three arguments. If the expansion would
dnl result in a set of double-quoted strings the returned expansion is
dnl actually a single double-quoted string concatenating all them.
AC_DEFUN([CURL_CHECK_DEF], [
AC_REQUIRE([CURL_CPP_P])
OLDCPPFLAGS=$CPPFLAGS
dnl CPPPFLAG comes from CURL_CPP_P
CPPFLAGS="$CPPFLAGS $CPPPFLAG"
AS_VAR_PUSHDEF([ac_HaveDef], [curl_cv_have_def_$1])
AS_VAR_PUSHDEF([ac_Def], [curl_cv_def_$1])
if test -z "$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])
AS_VAR_POPDEF([ac_HaveDef])
CPPFLAGS=$OLDCPPFLAGS
])
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 does not use
dnl default includes even if no INCLUDES argument is given. This macro
dnl runs silently when invoked with three arguments.
AC_DEFUN([CURL_CHECK_DEF_CC], [
AS_VAR_PUSHDEF([ac_HaveDef], [curl_cv_have_def_$1])
ifelse($3,,[AC_MSG_CHECKING([for compiler definition of $1])])
AC_COMPILE_IFELSE([
AC_LANG_SOURCE(
ifelse($2,,,[$2])[[
int main(void)
{
#ifndef $1
#error force compilation error
#endif
return 0;
}
]])
],[
tst_symbol_defined="yes"
],[
tst_symbol_defined="no"
])
if test "$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 CURL_CHECK_LIB_XNET
dnl -------------------------------------------------
dnl Verify if X/Open network library is required.
AC_DEFUN([CURL_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)
#elif defined(__hpux) && defined(_XOPEN_SOURCE_EXTENDED)
#else
#error force compilation error
#endif
return 0;
}
]])
],[
tst_lib_xnet_required="yes"
LIBS="-lxnet $LIBS"
])
AC_MSG_RESULT([$tst_lib_xnet_required])
])
dnl CURL_CHECK_AIX_ALL_SOURCE
dnl -------------------------------------------------
dnl Provides a replacement of traditional AC_AIX with
dnl an uniform behavior across all autoconf versions,
dnl and with our own placement rules.
AC_DEFUN([CURL_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])
AC_BEFORE([$0], [CURL_CONFIGURE_REENTRANT])
AC_MSG_CHECKING([if OS is AIX (to define _ALL_SOURCE)])
AC_EGREP_CPP([yes_this_is_aix],[
#ifdef _AIX
yes_this_is_aix
#endif
],[
AC_MSG_RESULT([yes])
AC_DEFINE(_ALL_SOURCE)
],[
AC_MSG_RESULT([no])
])
])
dnl CURL_CHECK_NATIVE_WINDOWS
dnl -------------------------------------------------
dnl Check if building a native Windows target
AC_DEFUN([CURL_CHECK_NATIVE_WINDOWS], [
AC_CACHE_CHECK([whether build target is a native Windows one], [curl_cv_native_windows], [
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
]],[[
#ifdef _WIN32
int dummy = 1;
(void)dummy;
#else
#error Not a native Windows build target.
#endif
]])
],[
curl_cv_native_windows="yes"
],[
curl_cv_native_windows="no"
])
])
AM_CONDITIONAL(DOING_NATIVE_WINDOWS, test "$curl_cv_native_windows" = "yes")
])
dnl CURL_CHECK_HEADER_LBER
dnl -------------------------------------------------
dnl Check for compilable and valid lber.h header,
dnl and check if it is needed even with ldap.h
AC_DEFUN([CURL_CHECK_HEADER_LBER], [
AC_REQUIRE([CURL_CHECK_NATIVE_WINDOWS])
AC_CACHE_CHECK([for lber.h], [curl_cv_header_lber_h], [
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#undef inline
#ifdef _WIN32
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>
#else
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#endif
#ifndef NULL
#define NULL (void *)0
#endif
#include <lber.h>
]],[[
BerValue *bvp = NULL;
BerElement *bep = ber_init(bvp);
ber_free(bep, 1);
]])
],[
curl_cv_header_lber_h="yes"
],[
curl_cv_header_lber_h="no"
])
])
if test "$curl_cv_header_lber_h" = "yes"; then
AC_DEFINE_UNQUOTED(HAVE_LBER_H, 1,
[Define to 1 if you have the lber.h header file.])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#undef inline
#ifdef _WIN32
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>
#else
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#endif
#ifndef NULL
#define NULL (void *)0
#endif
#ifndef LDAP_DEPRECATED
#define LDAP_DEPRECATED 1
#endif
#include <ldap.h>
]],[[
BerValue *bvp = NULL;
BerElement *bep = ber_init(bvp);
ber_free(bep, 1);
]])
],[
curl_cv_need_header_lber_h="no"
],[
curl_cv_need_header_lber_h="yes"
])
case "$curl_cv_need_header_lber_h" in
yes)
AC_DEFINE_UNQUOTED(NEED_LBER_H, 1,
[Define to 1 if you need the lber.h header file even with ldap.h])
;;
esac
fi
])
dnl CURL_CHECK_HEADER_LDAP
dnl -------------------------------------------------
dnl Check for compilable and valid ldap.h header
AC_DEFUN([CURL_CHECK_HEADER_LDAP], [
AC_REQUIRE([CURL_CHECK_HEADER_LBER])
AC_CACHE_CHECK([for ldap.h], [curl_cv_header_ldap_h], [
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#undef inline
#ifdef _WIN32
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>
#else
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#endif
#ifndef LDAP_DEPRECATED
#define LDAP_DEPRECATED 1
#endif
#ifdef NEED_LBER_H
#include <lber.h>
#endif
#include <ldap.h>
]],[[
LDAP *ldp = ldap_init("0.0.0.0", LDAP_PORT);
int res = ldap_unbind(ldp);
(void)res;
]])
],[
curl_cv_header_ldap_h="yes"
],[
curl_cv_header_ldap_h="no"
])
])
case "$curl_cv_header_ldap_h" in
yes)
AC_DEFINE_UNQUOTED(HAVE_LDAP_H, 1,
[Define to 1 if you have the ldap.h header file.])
;;
esac
])
dnl CURL_CHECK_HEADER_LDAP_SSL
dnl -------------------------------------------------
dnl Check for compilable and valid ldap_ssl.h header
AC_DEFUN([CURL_CHECK_HEADER_LDAP_SSL], [
AC_REQUIRE([CURL_CHECK_HEADER_LDAP])
AC_CACHE_CHECK([for ldap_ssl.h], [curl_cv_header_ldap_ssl_h], [
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#undef inline
#ifdef _WIN32
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>
#else
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#endif
#ifndef LDAP_DEPRECATED
#define LDAP_DEPRECATED 1
#endif
#ifdef NEED_LBER_H
#include <lber.h>
#endif
#ifdef HAVE_LDAP_H
#include <ldap.h>
#endif
#include <ldap_ssl.h>
]],[[
LDAP *ldp = ldapssl_init("0.0.0.0", LDAPS_PORT, 1);
(void)ldp;
]])
],[
curl_cv_header_ldap_ssl_h="yes"
],[
curl_cv_header_ldap_ssl_h="no"
])
])
case "$curl_cv_header_ldap_ssl_h" in
yes)
AC_DEFINE_UNQUOTED(HAVE_LDAP_SSL_H, 1,
[Define to 1 if you have the ldap_ssl.h header file.])
;;
esac
])
dnl CURL_CHECK_LIBS_WINLDAP
dnl -------------------------------------------------
dnl Check for libraries needed for WINLDAP support,
dnl and prepended to LIBS any needed libraries.
dnl This macro can take an optional parameter with a
dnl whitespace separated list of libraries to check
dnl before the WINLDAP default ones.
AC_DEFUN([CURL_CHECK_LIBS_WINLDAP], [
AC_REQUIRE([CURL_CHECK_HEADER_WINBER])
AC_MSG_CHECKING([for WINLDAP libraries])
u_libs=""
ifelse($1,,,[
for x_lib in $1; do
case "$x_lib" in
-l*)
l_lib="$x_lib"
;;
*)
l_lib="-l$x_lib"
;;
esac
if test -z "$u_libs"; then
u_libs="$l_lib"
else
u_libs="$u_libs $l_lib"
fi
done
])
curl_cv_save_LIBS="$LIBS"
curl_cv_ldap_LIBS="unknown"
for x_nlibs in '' "$u_libs" \
'-lwldap32' ; do
if test "$curl_cv_ldap_LIBS" = "unknown"; then
if test -z "$x_nlibs"; then
LIBS="$curl_cv_save_LIBS"
else
LIBS="$x_nlibs $curl_cv_save_LIBS"
fi
AC_LINK_IFELSE([
AC_LANG_PROGRAM([[
#undef inline
#ifdef _WIN32
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>
#include <winldap.h>
#ifdef HAVE_WINBER_H
#include <winber.h>
#endif
#endif
]],[[
BERVAL *bvp = NULL;
BerElement *bep = ber_init(bvp);
LDAP *ldp = ldap_init("0.0.0.0", LDAP_PORT);
ULONG res = ldap_unbind(ldp);
ber_free(bep, 1);
(void)res;
]])
],[
curl_cv_ldap_LIBS="$x_nlibs"
])
fi
done
LIBS="$curl_cv_save_LIBS"
case X-"$curl_cv_ldap_LIBS" in
X-unknown)
AC_MSG_RESULT([cannot find WINLDAP libraries])
;;
X-)
AC_MSG_RESULT([no additional lib required])
;;
*)
if test -z "$curl_cv_save_LIBS"; then
LIBS="$curl_cv_ldap_LIBS"
else
LIBS="$curl_cv_ldap_LIBS $curl_cv_save_LIBS"
fi
AC_MSG_RESULT([$curl_cv_ldap_LIBS])
;;
esac
])
dnl CURL_CHECK_LIBS_LDAP
dnl -------------------------------------------------
dnl Check for libraries needed for LDAP support,
dnl and prepended to LIBS any needed libraries.
dnl This macro can take an optional parameter with a
dnl whitespace separated list of libraries to check
dnl before the default ones.
AC_DEFUN([CURL_CHECK_LIBS_LDAP], [
AC_REQUIRE([CURL_CHECK_HEADER_LDAP])
AC_MSG_CHECKING([for LDAP libraries])
u_libs=""
ifelse($1,,,[
for x_lib in $1; do
case "$x_lib" in
-l*)
l_lib="$x_lib"
;;
*)
l_lib="-l$x_lib"
;;
esac
if test -z "$u_libs"; then
u_libs="$l_lib"
else
u_libs="$u_libs $l_lib"
fi
done
])
curl_cv_save_LIBS="$LIBS"
curl_cv_ldap_LIBS="unknown"
for x_nlibs in '' "$u_libs" \
'-lldap' \
'-lldap -llber' \
'-llber -lldap' \
'-lldapssl -lldapx -lldapsdk' \
'-lldapsdk -lldapx -lldapssl' \
'-lldap -llber -lssl -lcrypto'; do
if test "$curl_cv_ldap_LIBS" = "unknown"; then
if test -z "$x_nlibs"; then
LIBS="$curl_cv_save_LIBS"
else
LIBS="$x_nlibs $curl_cv_save_LIBS"
fi
AC_LINK_IFELSE([
AC_LANG_PROGRAM([[
#undef inline
#ifdef _WIN32
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>
#else
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#endif
#ifndef NULL
#define NULL (void *)0
#endif
#ifndef LDAP_DEPRECATED
#define LDAP_DEPRECATED 1
#endif
#ifdef NEED_LBER_H
#include <lber.h>
#endif
#ifdef HAVE_LDAP_H
#include <ldap.h>
#endif
]],[[
BerValue *bvp = NULL;
BerElement *bep = ber_init(bvp);
LDAP *ldp = ldap_init("0.0.0.0", LDAP_PORT);
int res = ldap_unbind(ldp);
ber_free(bep, 1);
(void)res;
]])
],[
curl_cv_ldap_LIBS="$x_nlibs"
])
fi
done
LIBS="$curl_cv_save_LIBS"
case X-"$curl_cv_ldap_LIBS" in
X-unknown)
AC_MSG_RESULT([cannot find LDAP libraries])
;;
X-)
AC_MSG_RESULT([no additional lib required])
;;
*)
if test -z "$curl_cv_save_LIBS"; then
LIBS="$curl_cv_ldap_LIBS"
else
LIBS="$curl_cv_ldap_LIBS $curl_cv_save_LIBS"
fi
dnl FIXME: Enable when ldap was detected via pkg-config
if false; then
LIBCURL_PC_REQUIRES_PRIVATE="ldap $LIBCURL_PC_REQUIRES_PRIVATE"
fi
AC_MSG_RESULT([$curl_cv_ldap_LIBS])
;;
esac
])
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 _WIN32
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <winsock2.h>
#else
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#include <sys/socket.h>
#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_RECV
dnl -------------------------------------------------
dnl Test if the socket recv() function is available,
AC_DEFUN([CURL_CHECK_FUNC_RECV], [
AC_REQUIRE([CURL_CHECK_NATIVE_WINDOWS])
AC_REQUIRE([CURL_INCLUDES_BSDSOCKET])
AC_CHECK_HEADERS(sys/types.h)
AC_MSG_CHECKING([for recv])
AC_LINK_IFELSE([
AC_LANG_PROGRAM([[
#undef inline
#ifdef _WIN32
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <winsock2.h>
#else
$curl_includes_bsdsocket
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#include <sys/socket.h>
#endif
]],[[
recv(0, 0, 0, 0);
]])
],[
AC_MSG_RESULT([yes])
curl_cv_recv="yes"
],[
AC_MSG_RESULT([no])
curl_cv_recv="no"
])
if test "$curl_cv_recv" = "yes"; then
AC_DEFINE_UNQUOTED(HAVE_RECV, 1,
[Define to 1 if you have the recv function.])
curl_cv_func_recv="yes"
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,
AC_DEFUN([CURL_CHECK_FUNC_SEND], [
AC_REQUIRE([CURL_CHECK_NATIVE_WINDOWS])
AC_REQUIRE([CURL_INCLUDES_BSDSOCKET])
AC_CHECK_HEADERS(sys/types.h)
AC_MSG_CHECKING([for send])
AC_LINK_IFELSE([
AC_LANG_PROGRAM([[
#undef inline
#ifdef _WIN32
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <winsock2.h>
#else
$curl_includes_bsdsocket
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#include <sys/socket.h>
#endif
]],[[
char s[] = "";
send(0, (void *)s, 0, 0);
]])
],[
AC_MSG_RESULT([yes])
curl_cv_send="yes"
],[
AC_MSG_RESULT([no])
curl_cv_send="no"
])
if test "$curl_cv_send" = "yes"; then
AC_DEFINE_UNQUOTED(HAVE_SEND, 1,
[Define to 1 if you have the send function.])
curl_cv_func_send="yes"
else
AC_MSG_ERROR([Unable to link function send])
fi
])
dnl CURL_CHECK_STRUCT_TIMEVAL
dnl -------------------------------------------------
dnl Check for timeval struct
AC_DEFUN([CURL_CHECK_STRUCT_TIMEVAL], [
AC_REQUIRE([CURL_CHECK_NATIVE_WINDOWS])
AC_CHECK_HEADERS(sys/types.h)
AC_CACHE_CHECK([for struct timeval], [curl_cv_struct_timeval], [
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#undef inline
#ifdef _WIN32
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <winsock2.h>
#else
#include <sys/socket.h>
#include <sys/time.h>
#endif
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#include <time.h>
]],[[
struct timeval ts;
ts.tv_sec = 0;
ts.tv_usec = 0;
(void)ts;
]])
],[
curl_cv_struct_timeval="yes"
],[
curl_cv_struct_timeval="no"
])
])
case "$curl_cv_struct_timeval" in
yes)
AC_DEFINE_UNQUOTED(HAVE_STRUCT_TIMEVAL, 1,
[Define to 1 if you have the timeval struct.])
;;
esac
])
dnl CURL_CHECK_FUNC_CLOCK_GETTIME_MONOTONIC
dnl -------------------------------------------------
dnl Check if monotonic clock_gettime is available.
AC_DEFUN([CURL_CHECK_FUNC_CLOCK_GETTIME_MONOTONIC], [
AC_CHECK_HEADERS(sys/types.h)
AC_MSG_CHECKING([for monotonic clock_gettime])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifndef _WIN32
#include <sys/time.h>
#endif
#include <time.h>
]],[[
struct timespec ts;
(void)clock_gettime(CLOCK_MONOTONIC, &ts);
(void)ts;
]])
],[
AC_MSG_RESULT([yes])
curl_func_clock_gettime="yes"
],[
AC_MSG_RESULT([no])
curl_func_clock_gettime="no"
])
dnl Definition of HAVE_CLOCK_GETTIME_MONOTONIC is intentionally postponed
dnl until library linking and runtime checks for clock_gettime succeed.
])
dnl CURL_CHECK_FUNC_CLOCK_GETTIME_MONOTONIC_RAW
dnl -------------------------------------------------
dnl Check if monotonic clock_gettime is available.
AC_DEFUN([CURL_CHECK_FUNC_CLOCK_GETTIME_MONOTONIC_RAW], [
AC_CHECK_HEADERS(sys/types.h)
AC_MSG_CHECKING([for raw monotonic clock_gettime])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifndef _WIN32
#include <sys/time.h>
#endif
#include <time.h>
]],[[
struct timespec ts;
(void)clock_gettime(CLOCK_MONOTONIC_RAW, &ts);
(void)ts;
]])
],[
AC_MSG_RESULT([yes])
AC_DEFINE_UNQUOTED(HAVE_CLOCK_GETTIME_MONOTONIC_RAW, 1,
[Define to 1 if you have the clock_gettime function and raw monotonic timer.])
],[
AC_MSG_RESULT([no])
])
])
dnl CURL_CHECK_LIBS_CLOCK_GETTIME_MONOTONIC
dnl -------------------------------------------------
dnl If monotonic clock_gettime is available then,
dnl check and prepended to LIBS any needed libraries.
AC_DEFUN([CURL_CHECK_LIBS_CLOCK_GETTIME_MONOTONIC], [
AC_REQUIRE([CURL_CHECK_FUNC_CLOCK_GETTIME_MONOTONIC])
if test "$curl_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 $curl_cv_save_LIBS"
fi
AC_LINK_IFELSE([
AC_LANG_PROGRAM([[
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifndef _WIN32
#include <sys/time.h>
#endif
#include <time.h>
]],[[
struct timespec ts;
(void)clock_gettime(CLOCK_MONOTONIC, &ts);
(void)ts;
]])
],[
curl_cv_gclk_LIBS="$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 is not defined])
curl_func_clock_gettime="no"
;;
X-)
AC_MSG_RESULT([no additional lib required])
curl_func_clock_gettime="yes"
;;
*)
if test "$dontwant_rt" = "yes"; then
AC_MSG_WARN([needs -lrt but asked not to use it, HAVE_CLOCK_GETTIME_MONOTONIC is not defined])
curl_func_clock_gettime="no"
else
if test -z "$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])
curl_func_clock_gettime="yes"
fi
;;
esac
dnl only do runtime verification when not cross-compiling
if test "$cross_compiling" != "yes" &&
test "$curl_func_clock_gettime" = "yes"; then
AC_MSG_CHECKING([if monotonic clock_gettime works])
CURL_RUN_IFELSE([
AC_LANG_PROGRAM([[
#include <stdlib.h>
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifndef _WIN32
#include <sys/time.h>
#endif
#include <time.h>
]],[[
struct timespec ts;
if(0 == clock_gettime(CLOCK_MONOTONIC, &ts))
return 0;
(void)ts;
return 1;
]])
],[
AC_MSG_RESULT([yes])
],[
AC_MSG_RESULT([no])
AC_MSG_WARN([HAVE_CLOCK_GETTIME_MONOTONIC is not defined])
curl_func_clock_gettime="no"
LIBS="$curl_cv_save_LIBS"
])
fi
case "$curl_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 CURL_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([CURL_CHECK_LIBS_CONNECT], [
AC_REQUIRE([CURL_INCLUDES_WINSOCK2])
AC_REQUIRE([CURL_INCLUDES_BSDSOCKET])
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([[
$curl_includes_winsock2
$curl_includes_bsdsocket
#if !defined(_WIN32) && !defined(HAVE_PROTO_BSDSOCKET_H)
int connect(int, void*, int);
#endif
]],[[
if(0 != connect(0, 0, 0))
return 1;
]])
],[
tst_connect_need_LIBS="$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 CURL_CHECK_FUNC_SELECT
dnl -------------------------------------------------
dnl Test if the socket select() function is available.
AC_DEFUN([CURL_CHECK_FUNC_SELECT], [
AC_REQUIRE([CURL_CHECK_STRUCT_TIMEVAL])
AC_REQUIRE([CURL_INCLUDES_BSDSOCKET])
AC_CHECK_HEADERS(sys/select.h)
AC_MSG_CHECKING([for select])
AC_LINK_IFELSE([
AC_LANG_PROGRAM([[
#undef inline
#ifdef _WIN32
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <winsock2.h>
#else
#include <sys/socket.h>
#include <sys/time.h>
#endif
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#include <time.h>
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