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acinclude.m4
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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 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], [
AC_REQUIRE([CURL_CPP_P])dnl
OLDCPPFLAGS=$CPPFLAGS
# CPPPFLAG comes from CURL_CPP_P
CPPFLAGS="$CPPFLAGS $CPPPFLAG"
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
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 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 $1
return 0;
#else
#error force compilation error
#endif
}
]])
],[
tst_symbol_defined="yes"
],[
tst_symbol_defined="no"
])
if test "$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 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)
return 0;
#elif defined(__hpux) && defined(_XOPEN_SOURCE_EXTENDED)
return 0;
#else
#error force compilation error
#endif
}
]])
],[
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])dnl
AC_BEFORE([$0], [CURL_CONFIGURE_REENTRANT])dnl
AC_MSG_CHECKING([if OS is AIX (to define _ALL_SOURCE)])
AC_EGREP_CPP([yes_this_is_aix],[
#ifdef _AIX
yes_this_is_aix
#endif
],[
AC_MSG_RESULT([yes])
AC_DEFINE(_ALL_SOURCE)
],[
AC_MSG_RESULT([no])
])
])
dnl CURL_CHECK_NATIVE_WINDOWS
dnl -------------------------------------------------
dnl Check if building a native Windows target
AC_DEFUN([CURL_CHECK_NATIVE_WINDOWS], [
AC_CACHE_CHECK([whether build target is a native Windows one], [curl_cv_native_windows], [
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
]],[[
#ifdef _WIN32
int dummy=1;
#else
#error Not a native Windows build target.
#endif
]])
],[
curl_cv_native_windows="yes"
],[
curl_cv_native_windows="no"
])
])
AM_CONDITIONAL(DOING_NATIVE_WINDOWS, test "x$curl_cv_native_windows" = xyes)
])
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])dnl
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])dnl
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);
]])
],[
curl_cv_header_ldap_h="yes"
],[
curl_cv_header_ldap_h="no"
])
])
case "$curl_cv_header_ldap_h" in
yes)
AC_DEFINE_UNQUOTED(HAVE_LDAP_H, 1,
[Define to 1 if you have the ldap.h header file.])
;;
esac
])
dnl CURL_CHECK_HEADER_LDAP_SSL
dnl -------------------------------------------------
dnl Check for compilable and valid ldap_ssl.h header
AC_DEFUN([CURL_CHECK_HEADER_LDAP_SSL], [
AC_REQUIRE([CURL_CHECK_HEADER_LDAP])dnl
AC_CACHE_CHECK([for ldap_ssl.h], [curl_cv_header_ldap_ssl_h], [
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#undef inline
#ifdef _WIN32
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>
#else
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#endif
#ifndef LDAP_DEPRECATED
#define LDAP_DEPRECATED 1
#endif
#ifdef NEED_LBER_H
#include <lber.h>
#endif
#ifdef HAVE_LDAP_H
#include <ldap.h>
#endif
#include <ldap_ssl.h>
]],[[
LDAP *ldp = ldapssl_init("0.0.0.0", LDAPS_PORT, 1);
]])
],[
curl_cv_header_ldap_ssl_h="yes"
],[
curl_cv_header_ldap_ssl_h="no"
])
])
case "$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])dnl
#
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 $curl_cv_save_LIBS"
fi
AC_LINK_IFELSE([
AC_LANG_PROGRAM([[
#undef inline
#ifdef _WIN32
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>
#include <winldap.h>
#ifdef HAVE_WINBER_H
#include <winber.h>
#endif
#endif
]],[[
BERVAL *bvp = NULL;
BerElement *bep = ber_init(bvp);
LDAP *ldp = ldap_init("0.0.0.0", LDAP_PORT);
ULONG res = ldap_unbind(ldp);
ber_free(bep, 1);
]])
],[
curl_cv_ldap_LIBS="$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])dnl
#
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 $curl_cv_save_LIBS"
fi
AC_LINK_IFELSE([
AC_LANG_PROGRAM([[
#undef inline
#ifdef _WIN32
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>
#else
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#endif
#ifndef NULL
#define NULL (void *)0
#endif
#ifndef LDAP_DEPRECATED
#define LDAP_DEPRECATED 1
#endif
#ifdef NEED_LBER_H
#include <lber.h>
#endif
#ifdef HAVE_LDAP_H
#include <ldap.h>
#endif
]],[[
BerValue *bvp = NULL;
BerElement *bep = ber_init(bvp);
LDAP *ldp = ldap_init("0.0.0.0", LDAP_PORT);
int res = ldap_unbind(ldp);
ber_free(bep, 1);
]])
],[
curl_cv_ldap_LIBS="$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
# 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
#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_RECV
dnl -------------------------------------------------
dnl Test if the socket recv() function is available,
AC_DEFUN([CURL_CHECK_FUNC_RECV], [
AC_REQUIRE([CURL_CHECK_NATIVE_WINDOWS])dnl
AC_REQUIRE([CURL_INCLUDES_BSDSOCKET])dnl
AC_CHECK_HEADERS(sys/types.h sys/socket.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
$curl_includes_bsdsocket
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#endif
]],[[
recv(0, 0, 0, 0);
]])
],[
AC_MSG_RESULT([yes])
curl_cv_recv="yes"
],[
AC_MSG_RESULT([no])
curl_cv_recv="no"
])
#
if test "$curl_cv_recv" = "yes"; then
AC_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])dnl
AC_REQUIRE([CURL_INCLUDES_BSDSOCKET])dnl
AC_CHECK_HEADERS(sys/types.h sys/socket.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
$curl_includes_bsdsocket
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#endif
]],[[
send(0, 0, 0, 0);
]])
],[
AC_MSG_RESULT([yes])
curl_cv_send="yes"
],[
AC_MSG_RESULT([no])
curl_cv_send="no"
])
#
if test "$curl_cv_send" = "yes"; then
AC_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_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], [curl_cv_msg_nosignal], [
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
#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;
]])
],[
curl_cv_msg_nosignal="yes"
],[
curl_cv_msg_nosignal="no"
])
])
case "$curl_cv_msg_nosignal" in
yes)
AC_DEFINE_UNQUOTED(HAVE_MSG_NOSIGNAL, 1,
[Define to 1 if you have the MSG_NOSIGNAL flag.])
;;
esac
])
dnl CURL_CHECK_STRUCT_TIMEVAL
dnl -------------------------------------------------
dnl Check for timeval struct
AC_DEFUN([CURL_CHECK_STRUCT_TIMEVAL], [
AC_REQUIRE([CURL_CHECK_NATIVE_WINDOWS])dnl
AC_CHECK_HEADERS(sys/types.h sys/time.h sys/socket.h)
AC_CACHE_CHECK([for struct timeval], [curl_cv_struct_timeval], [
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#undef inline
#ifdef _WIN32
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <winsock2.h>
#endif
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#include <time.h>
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
]],[[
struct timeval ts;
ts.tv_sec = 0;
ts.tv_usec = 0;
]])
],[
curl_cv_struct_timeval="yes"
],[
curl_cv_struct_timeval="no"
])
])
case "$curl_cv_struct_timeval" in
yes)
AC_DEFINE_UNQUOTED(HAVE_STRUCT_TIMEVAL, 1,
[Define to 1 if you have the timeval struct.])
;;
esac
])
dnl 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 _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
#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, $curl_cv_in_addr_t_equiv,
[Type to use in place of in_addr_t when system does not provide it.])
;;
esac
],[
#undef inline
#ifdef _WIN32
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <winsock2.h>
#else
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#ifdef HAVE_ARPA_INET_H
#include <arpa/inet.h>
#endif
#endif
])
])
dnl CURL_CHECK_FUNC_CLOCK_GETTIME_MONOTONIC
dnl -------------------------------------------------
dnl Check if monotonic clock_gettime is available.
AC_DEFUN([CURL_CHECK_FUNC_CLOCK_GETTIME_MONOTONIC], [
AC_CHECK_HEADERS(sys/types.h sys/time.h)
AC_MSG_CHECKING([for monotonic clock_gettime])
#
if test "x$dontwant_rt" = "xno" ; then
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>
#endif
#include <time.h>
]],[[
struct timespec ts;
(void)clock_gettime(CLOCK_MONOTONIC, &ts);
]])
],[
AC_MSG_RESULT([yes])
curl_func_clock_gettime="yes"
],[
AC_MSG_RESULT([no])
curl_func_clock_gettime="no"
])
fi
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_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 sys/time.h)
AC_MSG_CHECKING([for raw monotonic clock_gettime])
#
if test "x$dontwant_rt" = "xno" ; then
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#include <time.h>
]],[[
struct timespec ts;
(void)clock_gettime(CLOCK_MONOTONIC_RAW, &ts);
]])
],[
AC_MSG_RESULT([yes])
AC_DEFINE_UNQUOTED(HAVE_CLOCK_GETTIME_MONOTONIC_RAW, 1,
[Define to 1 if you have the clock_gettime function and raw monotonic timer.])
],[
AC_MSG_RESULT([no])
])
fi
])
dnl CURL_CHECK_LIBS_CLOCK_GETTIME_MONOTONIC
dnl -------------------------------------------------
dnl If monotonic clock_gettime is available then,
dnl check and prepended to LIBS any needed libraries.
AC_DEFUN([CURL_CHECK_LIBS_CLOCK_GETTIME_MONOTONIC], [
AC_REQUIRE([CURL_CHECK_FUNC_CLOCK_GETTIME_MONOTONIC])dnl
#
if test "$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 $curl_cv_save_LIBS"
fi
AC_LINK_IFELSE([
AC_LANG_PROGRAM([[
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#include <time.h>
]],[[
struct timespec ts;
(void)clock_gettime(CLOCK_MONOTONIC, &ts);
]])
],[
curl_cv_gclk_LIBS="$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])
curl_func_clock_gettime="no"
;;
X-)
AC_MSG_RESULT([no additional lib required])
curl_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])