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curl/acinclude.m4
Daniel Stenberg ecf953432d configure: use cpp -P when needed 
Since gcc 5, the processor output can get split up on multiple lines
that made the configure script fail to figure out values from
definitions. The fix is to use cpp -P, and this fix now first checks if
cpp -P is necessary and then if cpp -P works before it uses that to
extract defined values.

Fixes #719
2016-03-18 16:26:05 +01:00

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#***************************************************************************
# _ _ ____ _
# Project ___| | | | _ \| |
# / __| | | | |_) | |
# | (__| |_| | _ <| |___
# \___|\___/|_| \_\_____|
#
# Copyright (C) 1998 - 2015, 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.haxx.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.
#
#***************************************************************************
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=$CPPFLAGS
# CPPPFLAGS comes from CURL_CPP_P
CPPFLAGS="$CPPPFLAGS"
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 $1
return 0;
#else
force compilation error
#endif
}
]])
],[
tst_symbol_defined="yes"
],[
tst_symbol_defined="no"
])
if test "$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
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 behaviour 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_BEFORE([$0], [CURL_CONFIGURE_PULL_SYS_POLL])dnl
AC_MSG_CHECKING([if OS is AIX (to define _ALL_SOURCE)])
AC_EGREP_CPP([yes_this_is_aix],[
#ifdef _AIX
yes_this_is_aix
#endif
],[
AC_MSG_RESULT([yes])
AC_DEFINE(_ALL_SOURCE)
],[
AC_MSG_RESULT([no])
])
])
dnl CURL_CHECK_HEADER_WINDOWS
dnl -------------------------------------------------
dnl Check for compilable and valid windows.h header
AC_DEFUN([CURL_CHECK_HEADER_WINDOWS], [
AC_CACHE_CHECK([for windows.h], [ac_cv_header_windows_h], [
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#undef inline
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>
]],[[
#if defined(__CYGWIN__) || defined(__CEGCC__)
HAVE_WINDOWS_H shall not be defined.
#else
int dummy=2*WINVER;
#endif
]])
],[
ac_cv_header_windows_h="yes"
],[
ac_cv_header_windows_h="no"
])
])
case "$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 "$ac_cv_header_ws2tcpip_h" in
yes)
AC_DEFINE_UNQUOTED(HAVE_WS2TCPIP_H, 1,
[Define to 1 if you have the ws2tcpip.h header file.])
;;
esac
])
dnl CURL_CHECK_HEADER_WINLDAP
dnl -------------------------------------------------
dnl Check for compilable and valid winldap.h header
AC_DEFUN([CURL_CHECK_HEADER_WINLDAP], [
AC_REQUIRE([CURL_CHECK_HEADER_WINDOWS])dnl
AC_CACHE_CHECK([for winldap.h], [ac_cv_header_winldap_h], [
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#undef inline
#ifdef HAVE_WINDOWS_H
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>
#endif
#include <winldap.h>
]],[[
#if defined(__CYGWIN__) || defined(__CEGCC__)
HAVE_WINLDAP_H shall not be defined.
#else
LDAP *ldp = ldap_init("dummy", LDAP_PORT);
ULONG res = ldap_unbind(ldp);
#endif
]])
],[
ac_cv_header_winldap_h="yes"
],[
ac_cv_header_winldap_h="no"
])
])
case "$ac_cv_header_winldap_h" in
yes)
AC_DEFINE_UNQUOTED(HAVE_WINLDAP_H, 1,
[Define to 1 if you have the winldap.h header file.])
;;
esac
])
dnl CURL_CHECK_HEADER_WINBER
dnl -------------------------------------------------
dnl Check for compilable and valid winber.h header
AC_DEFUN([CURL_CHECK_HEADER_WINBER], [
AC_REQUIRE([CURL_CHECK_HEADER_WINLDAP])dnl
AC_CACHE_CHECK([for winber.h], [ac_cv_header_winber_h], [
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>
#endif
#include <winldap.h>
#include <winber.h>
]],[[
#if defined(__CYGWIN__) || defined(__CEGCC__)
HAVE_WINBER_H shall not be defined.
#else
BERVAL *bvp = NULL;
BerElement *bep = ber_init(bvp);
ber_free(bep, 1);
#endif
]])
],[
ac_cv_header_winber_h="yes"
],[
ac_cv_header_winber_h="no"
])
])
case "$ac_cv_header_winber_h" in
yes)
AC_DEFINE_UNQUOTED(HAVE_WINBER_H, 1,
[Define to 1 if you have the winber.h header file.])
;;
esac
])
dnl CURL_CHECK_HEADER_LBER
dnl -------------------------------------------------
dnl Check for compilable and valid lber.h header,
dnl and check if it is needed even with ldap.h
AC_DEFUN([CURL_CHECK_HEADER_LBER], [
AC_REQUIRE([CURL_CHECK_HEADER_WINDOWS])dnl
AC_CACHE_CHECK([for lber.h], [ac_cv_header_lber_h], [
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#undef inline
#ifdef HAVE_WINDOWS_H
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>
#else
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#endif
#ifndef NULL
#define NULL (void *)0
#endif
#include <lber.h>
]],[[
BerValue *bvp = NULL;
BerElement *bep = ber_init(bvp);
ber_free(bep, 1);
]])
],[
ac_cv_header_lber_h="yes"
],[
ac_cv_header_lber_h="no"
])
])
if test "$ac_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 HAVE_WINDOWS_H
#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 "$curl_cv_need_header_lber_h" in
yes)
AC_DEFINE_UNQUOTED(NEED_LBER_H, 1,
[Define to 1 if you need the lber.h header file even with ldap.h])
;;
esac
fi
])
dnl CURL_CHECK_HEADER_LDAP
dnl -------------------------------------------------
dnl Check for compilable and valid ldap.h header
AC_DEFUN([CURL_CHECK_HEADER_LDAP], [
AC_REQUIRE([CURL_CHECK_HEADER_LBER])dnl
AC_CACHE_CHECK([for ldap.h], [ac_cv_header_ldap_h], [
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#undef inline
#ifdef HAVE_WINDOWS_H
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>
#else
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#endif
#ifndef LDAP_DEPRECATED
#define LDAP_DEPRECATED 1
#endif
#ifdef NEED_LBER_H
#include <lber.h>
#endif
#include <ldap.h>
]],[[
LDAP *ldp = ldap_init("dummy", LDAP_PORT);
int res = ldap_unbind(ldp);
]])
],[
ac_cv_header_ldap_h="yes"
],[
ac_cv_header_ldap_h="no"
])
])
case "$ac_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], [ac_cv_header_ldap_ssl_h], [
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>
#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("dummy", LDAPS_PORT, 1);
]])
],[
ac_cv_header_ldap_ssl_h="yes"
],[
ac_cv_header_ldap_ssl_h="no"
])
])
case "$ac_cv_header_ldap_ssl_h" in
yes)
AC_DEFINE_UNQUOTED(HAVE_LDAP_SSL_H, 1,
[Define to 1 if you have the ldap_ssl.h header file.])
;;
esac
])
dnl CURL_CHECK_HEADER_LDAPSSL
dnl -------------------------------------------------
dnl Check for compilable and valid ldapssl.h header
AC_DEFUN([CURL_CHECK_HEADER_LDAPSSL], [
AC_REQUIRE([CURL_CHECK_HEADER_LDAP])dnl
AC_CACHE_CHECK([for ldapssl.h], [ac_cv_header_ldapssl_h], [
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#undef inline
#ifdef HAVE_WINDOWS_H
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>
#else
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#endif
#ifndef NULL
#define NULL (void *)0
#endif
#ifndef LDAP_DEPRECATED
#define LDAP_DEPRECATED 1
#endif
#ifdef NEED_LBER_H
#include <lber.h>
#endif
#ifdef HAVE_LDAP_H
#include <ldap.h>
#endif
#include <ldapssl.h>
]],[[
char *cert_label = NULL;
LDAP *ldp = ldap_ssl_init("dummy", LDAPS_PORT, cert_label);
]])
],[
ac_cv_header_ldapssl_h="yes"
],[
ac_cv_header_ldapssl_h="no"
])
])
case "$ac_cv_header_ldapssl_h" in
yes)
AC_DEFINE_UNQUOTED(HAVE_LDAPSSL_H, 1,
[Define to 1 if you have the ldapssl.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 white space 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 $curl_cv_save_LIBS"
fi
AC_LINK_IFELSE([
AC_LANG_PROGRAM([[
#undef inline
#ifdef HAVE_WINDOWS_H
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>
#ifdef HAVE_WINLDAP_H
#include <winldap.h>
#endif
#ifdef HAVE_WINBER_H
#include <winber.h>
#endif
#endif
]],[[
BERVAL *bvp = NULL;
BerElement *bep = ber_init(bvp);
LDAP *ldp = ldap_init("dummy", LDAP_PORT);
ULONG res = ldap_unbind(ldp);
ber_free(bep, 1);
]])
],[
curl_cv_ldap_LIBS="$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 white space 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 '' "$u_libs" \
'-lldap' \
'-llber -lldap' \
'-lldap -llber' \
'-lldapssl -lldapx -lldapsdk' \
'-lldapsdk -lldapx -lldapssl' ; do
if test "$curl_cv_ldap_LIBS" = "unknown"; then
if test -z "$x_nlibs"; then
LIBS="$curl_cv_save_LIBS"
else
LIBS="$x_nlibs $curl_cv_save_LIBS"
fi
AC_LINK_IFELSE([
AC_LANG_PROGRAM([[
#undef inline
#ifdef HAVE_WINDOWS_H
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>
#else
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#endif
#ifndef NULL
#define NULL (void *)0
#endif
#ifndef LDAP_DEPRECATED
#define LDAP_DEPRECATED 1
#endif
#ifdef NEED_LBER_H
#include <lber.h>
#endif
#ifdef HAVE_LDAP_H
#include <ldap.h>
#endif
]],[[
BerValue *bvp = NULL;
BerElement *bep = ber_init(bvp);
LDAP *ldp = ldap_init("dummy", LDAP_PORT);
int res = ldap_unbind(ldp);
ber_free(bep, 1);
]])
],[
curl_cv_ldap_LIBS="$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 $curl_cv_save_LIBS"
fi
AC_MSG_RESULT([$curl_cv_ldap_LIBS])
;;
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 $prev_sh_opts in
*f*)
;;
*)
set +f
;;
esac
#
AC_DEFINE_UNQUOTED(HAVE_SEND, 1,
[Define to 1 if you have the send function.])
ac_cv_func_send="yes"
fi
else
AC_MSG_ERROR([Unable to link function send])
fi
])
dnl CURL_CHECK_MSG_NOSIGNAL
dnl -------------------------------------------------
dnl Check for MSG_NOSIGNAL
AC_DEFUN([CURL_CHECK_MSG_NOSIGNAL], [
AC_CHECK_HEADERS(sys/types.h sys/socket.h)
AC_CACHE_CHECK([for MSG_NOSIGNAL], [ac_cv_msg_nosignal], [
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#undef inline
#ifdef HAVE_WINDOWS_H
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>
#ifdef HAVE_WINSOCK2_H
#include <winsock2.h>
#else
#ifdef HAVE_WINSOCK_H
#include <winsock.h>
#endif
#endif
#else
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#endif
]],[[
int flag=MSG_NOSIGNAL;
]])
],[
ac_cv_msg_nosignal="yes"
],[
ac_cv_msg_nosignal="no"
])
])
case "$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, $curl_cv_in_addr_t_equiv,
[Type to use in place of in_addr_t when system does not provide it.])
;;
esac
],[
#undef inline
#ifdef HAVE_WINDOWS_H
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>
#ifdef HAVE_WINSOCK2_H
#include <winsock2.h>
#else
#ifdef HAVE_WINSOCK_H
#include <winsock.h>
#endif
#endif
#else
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#ifdef HAVE_ARPA_INET_H
#include <arpa/inet.h>
#endif
#endif
])
])
dnl CURL_CHECK_FUNC_CLOCK_GETTIME_MONOTONIC
dnl -------------------------------------------------
dnl Check if monotonic clock_gettime is available.
AC_DEFUN([CURL_CHECK_FUNC_CLOCK_GETTIME_MONOTONIC], [
AC_REQUIRE([AC_HEADER_TIME])dnl
AC_CHECK_HEADERS(sys/types.h sys/time.h time.h)
AC_MSG_CHECKING([for monotonic clock_gettime])
#
if test "x$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>
#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"
])
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_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 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])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([[
$curl_includes_winsock2
#ifndef HAVE_WINDOWS_H
int connect(int, void*, int);
#endif
]],[[
if(0 != connect(0, 0, 0))
return 1;
]])
],[
tst_connect_need_LIBS="$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 CURL_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([CURL_DEFINE_UNQUOTED], [
cat >>confdefs.h <<_EOF
[@%:@define] $1 ifelse($#, 2, [$2], 1)
_EOF
])
dnl CURL_CONFIGURE_LONG
dnl -------------------------------------------------
dnl Find out the size of long as reported by sizeof() and define
dnl CURL_SIZEOF_LONG as appropriate to be used in template file
dnl include/curl/curlbuild.h.in to properly configure the library.
dnl The size of long is a build time characteristic and as such
dnl must be recorded in curlbuild.h
AC_DEFUN([CURL_CONFIGURE_LONG], [
if test -z "$ac_cv_sizeof_long" ||
test "$ac_cv_sizeof_long" -eq "0"; then
AC_MSG_ERROR([cannot find out size of long.])
fi
CURL_DEFINE_UNQUOTED([CURL_SIZEOF_LONG], [$ac_cv_sizeof_long])
])
dnl CURL_CONFIGURE_CURL_SOCKLEN_T
dnl -------------------------------------------------
dnl Find out suitable curl_socklen_t data type definition and size, making
dnl appropriate definitions for template file include/curl/curlbuild.h.in
dnl to properly configure and use the library.
dnl
dnl The need for the curl_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([CURL_CONFIGURE_CURL_SOCKLEN_T], [
AC_REQUIRE([CURL_INCLUDES_WS2TCPIP])dnl
AC_REQUIRE([CURL_INCLUDES_SYS_SOCKET])dnl
AC_REQUIRE([CURL_PREPROCESS_CALLCONV])dnl
#
AC_BEFORE([$0], [CURL_CONFIGURE_PULL_SYS_POLL])dnl
#
AC_MSG_CHECKING([for curl_socklen_t data type])
curl_typeof_curl_socklen_t="unknown"
for arg1 in int SOCKET; do
for arg2 in 'struct sockaddr' void; do
for t in socklen_t int size_t 'unsigned int' long 'unsigned long' void; do
if test "$curl_typeof_curl_socklen_t" = "unknown"; then
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
$curl_includes_ws2tcpip
$curl_includes_sys_socket
$curl_preprocess_callconv
extern int FUNCALLCONV getpeername($arg1, $arg2 *, $t *);
]],[[
$t *lenptr = 0;
if(0 != getpeername(0, 0, lenptr))
return 1;
]])
],[
curl_typeof_curl_socklen_t="$t"
])
fi
done
done
done
for t in socklen_t int; do
if test "$curl_typeof_curl_socklen_t" = "void"; then
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
$curl_includes_sys_socket
typedef $t curl_socklen_t;
]],[[
curl_socklen_t dummy;
]])
],[
curl_typeof_curl_socklen_t="$t"
])
fi
done
AC_MSG_RESULT([$curl_typeof_curl_socklen_t])
if test "$curl_typeof_curl_socklen_t" = "void" ||
test "$curl_typeof_curl_socklen_t" = "unknown"; then
AC_MSG_ERROR([cannot find data type for curl_socklen_t.])
fi
#
AC_MSG_CHECKING([size of curl_socklen_t])
curl_sizeof_curl_socklen_t="unknown"
curl_pull_headers_socklen_t="unknown"
if test "$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 $tst_pull_header_checks; do
if test "$curl_sizeof_curl_socklen_t" = "unknown"; then
case $tst_pull_headers in
ws2tcpip)
tmp_includes="$curl_includes_ws2tcpip"
;;
systypes)
tmp_includes="$curl_includes_sys_types"
;;
syssocket)
tmp_includes="$curl_includes_sys_socket"
;;
*)
tmp_includes=""
;;
esac
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
$tmp_includes
typedef $curl_typeof_curl_socklen_t curl_socklen_t;
typedef char dummy_arr[sizeof(curl_socklen_t) == $tst_size ? 1 : -1];
]],[[
curl_socklen_t dummy;
]])
],[
curl_sizeof_curl_socklen_t="$tst_size"
curl_pull_headers_socklen_t="$tst_pull_headers"
])
fi
done
done
AC_MSG_RESULT([$curl_sizeof_curl_socklen_t])
if test "$curl_sizeof_curl_socklen_t" = "unknown"; then
AC_MSG_ERROR([cannot find out size of curl_socklen_t.])
fi
#
case $curl_pull_headers_socklen_t in
ws2tcpip)
CURL_DEFINE_UNQUOTED([CURL_PULL_WS2TCPIP_H])
;;
systypes)
CURL_DEFINE_UNQUOTED([CURL_PULL_SYS_TYPES_H])
;;
syssocket)
CURL_DEFINE_UNQUOTED([CURL_PULL_SYS_TYPES_H])
CURL_DEFINE_UNQUOTED([CURL_PULL_SYS_SOCKET_H])
;;
esac
CURL_DEFINE_UNQUOTED([CURL_TYPEOF_CURL_SOCKLEN_T], [$curl_typeof_curl_socklen_t])
CURL_DEFINE_UNQUOTED([CURL_SIZEOF_CURL_SOCKLEN_T], [$curl_sizeof_curl_socklen_t])
])
dnl CURL_CONFIGURE_PULL_SYS_POLL
dnl -------------------------------------------------
dnl Find out if system header file sys/poll.h must be included by the
dnl external interface, making appropriate definitions for template file
dnl include/curl/curlbuild.h.in to properly configure and use the library.
dnl
dnl The need for the sys/poll.h inclusion arises mainly to properly
dnl interface AIX systems which define macros 'events' and 'revents'.
AC_DEFUN([CURL_CONFIGURE_PULL_SYS_POLL], [
AC_REQUIRE([CURL_INCLUDES_POLL])dnl
#
tst_poll_events_macro_defined="unknown"
#
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
$curl_includes_poll
]],[[
#if defined(events) || defined(revents)
return 0;
#else
force compilation error
#endif
]])
],[
tst_poll_events_macro_defined="yes"
],[
tst_poll_events_macro_defined="no"
])
#
if test "$tst_poll_events_macro_defined" = "yes"; then
if test "x$ac_cv_header_sys_poll_h" = "xyes"; then
CURL_DEFINE_UNQUOTED([CURL_PULL_SYS_POLL_H])
fi
fi
#
])
dnl CURL_CHECK_FUNC_SELECT
dnl -------------------------------------------------
dnl Test if the socket select() function is available,
dnl and check its return type and the types of its
dnl arguments. If the function succeeds HAVE_SELECT
dnl will be defined, defining the types of the
dnl arguments in SELECT_TYPE_ARG1, SELECT_TYPE_ARG234
dnl and SELECT_TYPE_ARG5, defining the type of the
dnl function return value in SELECT_TYPE_RETV, and
dnl also defining the type qualifier of fifth argument
dnl in SELECT_QUAL_ARG5.
AC_DEFUN([CURL_CHECK_FUNC_SELECT], [
AC_REQUIRE([CURL_CHECK_STRUCT_TIMEVAL])dnl
AC_CHECK_HEADERS(sys/select.h sys/socket.h)
#
AC_MSG_CHECKING([for select])
AC_LINK_IFELSE([
AC_LANG_PROGRAM([[
#undef inline
#ifdef HAVE_WINDOWS_H
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>
#ifdef HAVE_WINSOCK2_H
#include <winsock2.h>
#else
#ifdef HAVE_WINSOCK_H
#include <winsock.h>
#endif
#endif
#endif
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#ifdef TIME_WITH_SYS_TIME
#include <time.h>
#endif
#else
#ifdef HAVE_TIME_H
#include <time.h>
#endif
#endif
#ifndef HAVE_WINDOWS_H
#ifdef HAVE_SYS_SELECT_H
#include <sys/select.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#endif
]],[[
select(0, 0, 0, 0, 0);
]])
],[
AC_MSG_RESULT([yes])
curl_cv_select="yes"
],[
AC_MSG_RESULT([no])
curl_cv_select="no"
])
#
if test "$curl_cv_select" = "yes"; then
AC_CACHE_CHECK([types of args and return type for select],
[curl_cv_func_select_args], [
curl_cv_func_select_args="unknown"
for sel_retv in 'int' 'ssize_t'; do
for sel_arg1 in 'int' 'ssize_t' 'size_t' 'unsigned long int' 'unsigned int'; do
for sel_arg234 in 'fd_set *' 'int *' 'void *'; do
for sel_arg5 in 'struct timeval *' 'const struct timeval *'; do
if test "$curl_cv_func_select_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 SELECTCALLCONV PASCAL
#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
#ifndef HAVE_WINDOWS_H
#ifdef HAVE_SYS_SELECT_H
#include <sys/select.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#define SELECTCALLCONV
#endif
#ifndef HAVE_STRUCT_TIMEVAL
struct timeval {
long tv_sec;
long tv_usec;
};
#endif
extern $sel_retv SELECTCALLCONV select($sel_arg1,
$sel_arg234,
$sel_arg234,
$sel_arg234,
$sel_arg5);
]],[[
$sel_arg1 nfds=0;
$sel_arg234 rfds=0;
$sel_arg234 wfds=0;
$sel_arg234 efds=0;
$sel_retv res = select(nfds, rfds, wfds, efds, 0);
]])
],[
curl_cv_func_select_args="$sel_arg1,$sel_arg234,$sel_arg5,$sel_retv"
])
fi
done
done
done
done
]) # AC-CACHE-CHECK
if test "$curl_cv_func_select_args" = "unknown"; then
AC_MSG_WARN([Cannot find proper types to use for select args])
AC_MSG_WARN([HAVE_SELECT will not be defined])
else
select_prev_IFS=$IFS; IFS=','
set dummy `echo "$curl_cv_func_select_args" | sed 's/\*/\*/g'`
IFS=$select_prev_IFS
shift
#
sel_qual_type_arg5=$[3]
#
AC_DEFINE_UNQUOTED(SELECT_TYPE_ARG1, $[1],
[Define to the type of arg 1 for select.])
AC_DEFINE_UNQUOTED(SELECT_TYPE_ARG234, $[2],
[Define to the type of args 2, 3 and 4 for select.])
AC_DEFINE_UNQUOTED(SELECT_TYPE_RETV, $[4],
[Define to the function return type for select.])
#
prev_sh_opts=$-
#
case $prev_sh_opts in
*f*)
;;
*)
set -f
;;
esac
#
case "$sel_qual_type_arg5" in
const*)
sel_qual_arg5=const
sel_type_arg5=`echo $sel_qual_type_arg5 | sed 's/^const //'`
;;
*)
sel_qual_arg5=
sel_type_arg5=$sel_qual_type_arg5
;;
esac
#
AC_DEFINE_UNQUOTED(SELECT_QUAL_ARG5, $sel_qual_arg5,
[Define to the type qualifier of arg 5 for select.])
AC_DEFINE_UNQUOTED(SELECT_TYPE_ARG5, $sel_type_arg5,
[Define to the type of arg 5 for select.])
#
case $prev_sh_opts in
*f*)
;;
*)
set +f
;;
esac
#
AC_DEFINE_UNQUOTED(HAVE_SELECT, 1,
[Define to 1 if you have the select function.])
ac_cv_func_select="yes"
fi
fi
])
dnl CURL_VERIFY_RUNTIMELIBS
dnl -------------------------------------------------
dnl Verify that the shared libs found so far can be used when running
dnl programs, since otherwise the situation will create odd configure errors
dnl that are misleading people.
dnl
dnl Make sure this test is run BEFORE the first test in the script that
dnl runs anything, which at the time of this writing is the AC_CHECK_SIZEOF
dnl macro. It must also run AFTER all lib-checking macros are complete.
AC_DEFUN([CURL_VERIFY_RUNTIMELIBS], [
dnl this test is of course not sensible if we are cross-compiling!
if test "x$cross_compiling" != xyes; then
dnl just run a program to verify that the libs checked for previous to this
dnl point also is available run-time!
AC_MSG_CHECKING([run-time libs availability])
AC_TRY_RUN([
main()
{
return 0;
}
],
AC_MSG_RESULT([fine]),
AC_MSG_RESULT([failed])
AC_MSG_ERROR([one or more libs available at link-time are not available run-time. Libs used at link-time: $LIBS])
)
dnl if this test fails, configure has already stopped
fi
])
dnl CURL_CHECK_VARIADIC_MACROS
dnl -------------------------------------------------
dnl Check compiler support of variadic macros
AC_DEFUN([CURL_CHECK_VARIADIC_MACROS], [
AC_CACHE_CHECK([for compiler support of C99 variadic macro style],
[curl_cv_variadic_macros_c99], [
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#define c99_vmacro3(first, ...) fun3(first, __VA_ARGS__)
#define c99_vmacro2(first, ...) fun2(first, __VA_ARGS__)
int fun3(int arg1, int arg2, int arg3);
int fun2(int arg1, int arg2);
int fun3(int arg1, int arg2, int arg3)
{ return arg1 + arg2 + arg3; }
int fun2(int arg1, int arg2)
{ return arg1 + arg2; }
]],[[
int res3 = c99_vmacro3(1, 2, 3);
int res2 = c99_vmacro2(1, 2);
]])
],[
curl_cv_variadic_macros_c99="yes"
],[
curl_cv_variadic_macros_c99="no"
])
])
case "$curl_cv_variadic_macros_c99" in
yes)
AC_DEFINE_UNQUOTED(HAVE_VARIADIC_MACROS_C99, 1,
[Define to 1 if compiler supports C99 variadic macro style.])
;;
esac
AC_CACHE_CHECK([for compiler support of old gcc variadic macro style],
[curl_cv_variadic_macros_gcc], [
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#define gcc_vmacro3(first, args...) fun3(first, args)
#define gcc_vmacro2(first, args...) fun2(first, args)
int fun3(int arg1, int arg2, int arg3);
int fun2(int arg1, int arg2);
int fun3(int arg1, int arg2, int arg3)
{ return arg1 + arg2 + arg3; }
int fun2(int arg1, int arg2)
{ return arg1 + arg2; }
]],[[
int res3 = gcc_vmacro3(1, 2, 3);
int res2 = gcc_vmacro2(1, 2);
]])
],[
curl_cv_variadic_macros_gcc="yes"
],[
curl_cv_variadic_macros_gcc="no"
])
])
case "$curl_cv_variadic_macros_gcc" in
yes)
AC_DEFINE_UNQUOTED(HAVE_VARIADIC_MACROS_GCC, 1,
[Define to 1 if compiler supports old gcc variadic macro style.])
;;
esac
])
dnl CURL_CHECK_CA_BUNDLE
dnl -------------------------------------------------
dnl Check if a default ca-bundle should be used
dnl
dnl regarding the paths this will scan:
dnl /etc/ssl/certs/ca-certificates.crt Debian systems
dnl /etc/pki/tls/certs/ca-bundle.crt Redhat and Mandriva
dnl /usr/share/ssl/certs/ca-bundle.crt old(er) Redhat
dnl /usr/local/share/certs/ca-root.crt FreeBSD
dnl /etc/ssl/cert.pem OpenBSD
dnl /etc/ssl/certs/ (ca path) SUSE
AC_DEFUN([CURL_CHECK_CA_BUNDLE], [
AC_MSG_CHECKING([default CA cert bundle/path])
AC_ARG_WITH(ca-bundle,
AC_HELP_STRING([--with-ca-bundle=FILE],
[Path to a file containing CA certificates (example: /etc/ca-bundle.crt)])
AC_HELP_STRING([--without-ca-bundle], [Don't use a default CA bundle]),
[
want_ca="$withval"
if test "x$want_ca" = "xyes"; then
AC_MSG_ERROR([--with-ca-bundle=FILE requires a path to the CA bundle])
fi
],
[ want_ca="unset" ])
AC_ARG_WITH(ca-path,
AC_HELP_STRING([--with-ca-path=DIRECTORY],
[Path to a directory containing CA certificates stored individually, with \
their filenames in a hash format. This option can be used with OpenSSL, \
GnuTLS and PolarSSL backends. Refer to OpenSSL c_rehash for details. \
(example: /etc/certificates)])
AC_HELP_STRING([--without-ca-path], [Don't use a default CA path]),
[
want_capath="$withval"
if test "x$want_capath" = "xyes"; then
AC_MSG_ERROR([--with-ca-path=DIRECTORY requires a path to the CA path directory])
fi
],
[ want_capath="unset"])
ca_warning=" (warning: certs not found)"
capath_warning=" (warning: certs not found)"
check_capath=""
if test "x$want_ca" != "xno" -a "x$want_ca" != "xunset" -a \
"x$want_capath" != "xno" -a "x$want_capath" != "xunset"; then
dnl both given
ca="$want_ca"
capath="$want_capath"
elif test "x$want_ca" != "xno" -a "x$want_ca" != "xunset"; then
dnl --with-ca-bundle given
ca="$want_ca"
capath="no"
elif test "x$want_capath" != "xno" -a "x$want_capath" != "xunset"; then
dnl --with-ca-path given
if test "x$OPENSSL_ENABLED" != "x1" -a "x$GNUTLS_ENABLED" != "x1" -a "x$POLARSSL_ENABLED" != "x1"; then
AC_MSG_ERROR([--with-ca-path only works with OpenSSL, GnuTLS or PolarSSL])
fi
capath="$want_capath"
ca="no"
else
dnl first try autodetecting a CA bundle , then a CA path
dnl both autodetections can be skipped by --without-ca-*
ca="no"
capath="no"
if test "x$cross_compiling" != "xyes"; then
dnl NOT cross-compiling and...
dnl neither of the --with-ca-* options are provided
if test "x$want_ca" = "xunset"; then
dnl the path we previously would have installed the curl ca bundle
dnl to, and thus we now check for an already existing cert in that
dnl place in case we find no other
if test "x$prefix" != xNONE; then
cac="${prefix}/share/curl/curl-ca-bundle.crt"
else
cac="$ac_default_prefix/share/curl/curl-ca-bundle.crt"
fi
for a in /etc/ssl/certs/ca-certificates.crt \
/etc/pki/tls/certs/ca-bundle.crt \
/usr/share/ssl/certs/ca-bundle.crt \
/usr/local/share/certs/ca-root.crt \
/etc/ssl/cert.pem \
"$cac"; do
if test -f "$a"; then
ca="$a"
break
fi
done
fi
if test "x$want_capath" = "xunset" -a "x$ca" = "xno" -a \
"x$OPENSSL_ENABLED" = "x1"; then
check_capath="/etc/ssl/certs/"
fi
else
dnl no option given and cross-compiling
AC_MSG_WARN([skipped the ca-cert path detection when cross-compiling])
fi
fi
if test "x$ca" = "xno" || test -f "$ca"; then
ca_warning=""
fi
if test "x$capath" != "xno"; then
check_capath="$capath"
fi
if test ! -z "$check_capath"; then
for a in "$check_capath"; do
if test -d "$a" && ls "$a"/[[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]].0 >/dev/null 2>/dev/null; then
if test "x$capath" = "xno"; then
capath="$a"
fi
capath_warning=""
break
fi
done
fi
if test "x$capath" = "xno"; then
capath_warning=""
fi
if test "x$ca" != "xno"; then
CURL_CA_BUNDLE='"'$ca'"'
AC_DEFINE_UNQUOTED(CURL_CA_BUNDLE, "$ca", [Location of default ca bundle])
AC_SUBST(CURL_CA_BUNDLE)
AC_MSG_RESULT([$ca])
fi
if test "x$capath" != "xno"; then
CURL_CA_PATH="\"$capath\""
AC_DEFINE_UNQUOTED(CURL_CA_PATH, "$capath", [Location of default ca path])
AC_MSG_RESULT([$capath (capath)])
fi
if test "x$ca" = "xno" && test "x$capath" = "xno"; then
AC_MSG_RESULT([no])
fi
AC_MSG_CHECKING([whether to use builtin CA store of SSL library])
AC_ARG_WITH(ca-fallback,
AC_HELP_STRING([--with-ca-fallback], [Use the built in CA store of the SSL library])
AC_HELP_STRING([--without-ca-fallback], [Don't use the built in CA store of the SSL library]),
[
if test "x$with_ca_fallback" != "xyes" -a "x$with_ca_fallback" != "xno"; then
AC_MSG_ERROR([--with-ca-fallback only allows yes or no as parameter])
fi
],
[ with_ca_fallback="no"])
AC_MSG_RESULT([$with_ca_fallback])
if test "x$with_ca_fallback" = "xyes"; then
if test "x$OPENSSL_ENABLED" != "x1" -a "x$GNUTLS_ENABLED" != "x1"; then
AC_MSG_ERROR([--with-ca-fallback only works with OpenSSL or GnuTLS])
fi
AC_DEFINE_UNQUOTED(CURL_CA_FALLBACK, 1, [define "1" to use built in CA store of SSL library ])
fi
])
dnl DO_CURL_OFF_T_CHECK (TYPE, SIZE)
dnl -------------------------------------------------
dnl Internal macro for CURL_CONFIGURE_CURL_OFF_T
AC_DEFUN([DO_CURL_OFF_T_CHECK], [
AC_REQUIRE([CURL_INCLUDES_INTTYPES])dnl
if test "$curl_typeof_curl_off_t" = "unknown" && test ! -z "$1"; then
tmp_includes=""
tmp_source=""
tmp_fmt=""
case XC_SH_TR_SH([$1]) in
int64_t)
tmp_includes="$curl_includes_inttypes"
tmp_source="char f@<:@@:>@ = PRId64;"
tmp_fmt="PRId64"
;;
int32_t)
tmp_includes="$curl_includes_inttypes"
tmp_source="char f@<:@@:>@ = PRId32;"
tmp_fmt="PRId32"
;;
int16_t)
tmp_includes="$curl_includes_inttypes"
tmp_source="char f@<:@@:>@ = PRId16;"
tmp_fmt="PRId16"
;;
esac
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
$tmp_includes
typedef $1 curl_off_t;
typedef char dummy_arr[sizeof(curl_off_t) == $2 ? 1 : -1];
]],[[
$tmp_source
curl_off_t dummy;
]])
],[
if test -z "$tmp_fmt"; then
curl_typeof_curl_off_t="$1"
curl_sizeof_curl_off_t="$2"
else
CURL_CHECK_DEF([$tmp_fmt], [$curl_includes_inttypes], [silent])
AS_VAR_PUSHDEF([tmp_HaveFmtDef], [curl_cv_have_def_$tmp_fmt])dnl
AS_VAR_PUSHDEF([tmp_FmtDef], [curl_cv_def_$tmp_fmt])dnl
if test AS_VAR_GET(tmp_HaveFmtDef) = "yes"; then
curl_format_curl_off_t=AS_VAR_GET(tmp_FmtDef)
curl_typeof_curl_off_t="$1"
curl_sizeof_curl_off_t="$2"
fi
AS_VAR_POPDEF([tmp_FmtDef])dnl
AS_VAR_POPDEF([tmp_HaveFmtDef])dnl
fi
])
fi
])
dnl DO_CURL_OFF_T_SUFFIX_CHECK (TYPE)
dnl -------------------------------------------------
dnl Internal macro for CURL_CONFIGURE_CURL_OFF_T
AC_DEFUN([DO_CURL_OFF_T_SUFFIX_CHECK], [
AC_REQUIRE([CURL_INCLUDES_INTTYPES])dnl
AC_MSG_CHECKING([constant suffix string for curl_off_t])
#
curl_suffix_curl_off_t="unknown"
curl_suffix_curl_off_tu="unknown"
#
case XC_SH_TR_SH([$1]) in
long_long | __longlong | __longlong_t)
tst_suffixes="LL::"
;;
long)
tst_suffixes="L::"
;;
int)
tst_suffixes="::"
;;
__int64 | int64_t)
tst_suffixes="LL:i64::"
;;
__int32 | int32_t)
tst_suffixes="L:i32::"
;;
__int16 | int16_t)
tst_suffixes="L:i16::"
;;
*)
AC_MSG_ERROR([unexpected data type $1])
;;
esac
#
old_IFS=$IFS; IFS=':'
for tmp_ssuf in $tst_suffixes ; do
IFS=$old_IFS
if test "x$curl_suffix_curl_off_t" = "xunknown"; then
case $tmp_ssuf in
i64 | i32 | i16)
tmp_usuf="u$tmp_ssuf"
;;
LL | L)
tmp_usuf="U$tmp_ssuf"
;;
*)
tmp_usuf=""
;;
esac
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
$curl_includes_inttypes
typedef $1 new_t;
]],[[
new_t s1;
new_t s2;
s1 = -10$tmp_ssuf ;
s2 = 20$tmp_ssuf ;
if(s1 > s2)
return 1;
]])
],[
curl_suffix_curl_off_t="$tmp_ssuf"
curl_suffix_curl_off_tu="$tmp_usuf"
])
fi
done
IFS=$old_IFS
#
if test "x$curl_suffix_curl_off_t" = "xunknown"; then
AC_MSG_ERROR([cannot find constant suffix string for curl_off_t.])
else
AC_MSG_RESULT([$curl_suffix_curl_off_t])
AC_MSG_CHECKING([constant suffix string for unsigned curl_off_t])
AC_MSG_RESULT([$curl_suffix_curl_off_tu])
fi
#
])
dnl CURL_CONFIGURE_CURL_OFF_T
dnl -------------------------------------------------
dnl Find out suitable curl_off_t data type definition and associated
dnl items, and make the appropriate definitions used in template file
dnl include/curl/curlbuild.h.in to properly configure the library.
AC_DEFUN([CURL_CONFIGURE_CURL_OFF_T], [
AC_REQUIRE([CURL_INCLUDES_INTTYPES])dnl
#
AC_BEFORE([$0],[AC_SYS_LARGEFILE])dnl
AC_BEFORE([$0],[CURL_CONFIGURE_REENTRANT])dnl
AC_BEFORE([$0],[CURL_CHECK_AIX_ALL_SOURCE])dnl
#
if test -z "$SED"; then
AC_MSG_ERROR([SED not set. Cannot continue without SED being set.])
fi
#
AC_CHECK_SIZEOF(long)
AC_CHECK_SIZEOF(void*)
#
if test -z "$ac_cv_sizeof_long" ||
test "$ac_cv_sizeof_long" -eq "0"; then
AC_MSG_ERROR([cannot find out size of long.])
fi
if test -z "$ac_cv_sizeof_voidp" ||
test "$ac_cv_sizeof_voidp" -eq "0"; then
AC_MSG_ERROR([cannot find out size of void*.])
fi
#
x_LP64_long=""
x_LP32_long=""
#
if test "$ac_cv_sizeof_long" -eq "8" &&
test "$ac_cv_sizeof_voidp" -ge "8"; then
x_LP64_long="long"
elif test "$ac_cv_sizeof_long" -eq "4" &&
test "$ac_cv_sizeof_voidp" -ge "4"; then
x_LP32_long="long"
fi
#
dnl DO_CURL_OFF_T_CHECK results are stored in next 3 vars
#
curl_typeof_curl_off_t="unknown"
curl_sizeof_curl_off_t="unknown"
curl_format_curl_off_t="unknown"
curl_format_curl_off_tu="unknown"
#
if test "$curl_typeof_curl_off_t" = "unknown"; then
AC_MSG_CHECKING([for 64-bit curl_off_t data type])
for t8 in \
"$x_LP64_long" \
'int64_t' \
'__int64' \
'long long' \
'__longlong' \
'__longlong_t' ; do
DO_CURL_OFF_T_CHECK([$t8], [8])
done
AC_MSG_RESULT([$curl_typeof_curl_off_t])
fi
if test "$curl_typeof_curl_off_t" = "unknown"; then
AC_MSG_CHECKING([for 32-bit curl_off_t data type])
for t4 in \
"$x_LP32_long" \
'int32_t' \
'__int32' \
'int' ; do
DO_CURL_OFF_T_CHECK([$t4], [4])
done
AC_MSG_RESULT([$curl_typeof_curl_off_t])
fi
if test "$curl_typeof_curl_off_t" = "unknown"; then
AC_MSG_ERROR([cannot find data type for curl_off_t.])
fi
#
AC_MSG_CHECKING([size of curl_off_t])
AC_MSG_RESULT([$curl_sizeof_curl_off_t])
#
AC_MSG_CHECKING([formatting string directive for curl_off_t])
if test "$curl_format_curl_off_t" != "unknown"; then
x_pull_headers="yes"
curl_format_curl_off_t=`echo "$curl_format_curl_off_t" | "$SED" 's/[["]]//g'`
curl_format_curl_off_tu=`echo "$curl_format_curl_off_t" | "$SED" 's/i$/u/'`
curl_format_curl_off_tu=`echo "$curl_format_curl_off_tu" | "$SED" 's/d$/u/'`
curl_format_curl_off_tu=`echo "$curl_format_curl_off_tu" | "$SED" 's/D$/U/'`
else
x_pull_headers="no"
case XC_SH_TR_SH([$curl_typeof_curl_off_t]) in
long_long | __longlong | __longlong_t)
curl_format_curl_off_t="lld"
curl_format_curl_off_tu="llu"
;;
long)
curl_format_curl_off_t="ld"
curl_format_curl_off_tu="lu"
;;
int)
curl_format_curl_off_t="d"
curl_format_curl_off_tu="u"
;;
__int64)
curl_format_curl_off_t="I64d"
curl_format_curl_off_tu="I64u"
;;
__int32)
curl_format_curl_off_t="I32d"
curl_format_curl_off_tu="I32u"
;;
__int16)
curl_format_curl_off_t="I16d"
curl_format_curl_off_tu="I16u"
;;
*)
AC_MSG_ERROR([cannot find print format string for curl_off_t.])
;;
esac
fi
AC_MSG_RESULT(["$curl_format_curl_off_t"])
#
AC_MSG_CHECKING([formatting string directive for unsigned curl_off_t])
AC_MSG_RESULT(["$curl_format_curl_off_tu"])
#
DO_CURL_OFF_T_SUFFIX_CHECK([$curl_typeof_curl_off_t])
#
if test "$x_pull_headers" = "yes"; then
if test "x$ac_cv_header_sys_types_h" = "xyes"; then
CURL_DEFINE_UNQUOTED([CURL_PULL_SYS_TYPES_H])
fi
if test "x$ac_cv_header_stdint_h" = "xyes"; then
CURL_DEFINE_UNQUOTED([CURL_PULL_STDINT_H])
fi
if test "x$ac_cv_header_inttypes_h" = "xyes"; then
CURL_DEFINE_UNQUOTED([CURL_PULL_INTTYPES_H])
fi
fi
#
CURL_DEFINE_UNQUOTED([CURL_TYPEOF_CURL_OFF_T], [$curl_typeof_curl_off_t])
CURL_DEFINE_UNQUOTED([CURL_FORMAT_CURL_OFF_T], ["$curl_format_curl_off_t"])
CURL_DEFINE_UNQUOTED([CURL_FORMAT_CURL_OFF_TU], ["$curl_format_curl_off_tu"])
CURL_DEFINE_UNQUOTED([CURL_FORMAT_OFF_T], ["%$curl_format_curl_off_t"])
CURL_DEFINE_UNQUOTED([CURL_SIZEOF_CURL_OFF_T], [$curl_sizeof_curl_off_t])
CURL_DEFINE_UNQUOTED([CURL_SUFFIX_CURL_OFF_T], [$curl_suffix_curl_off_t])
CURL_DEFINE_UNQUOTED([CURL_SUFFIX_CURL_OFF_TU], [$curl_suffix_curl_off_tu])
#
])
dnl CURL_CHECK_WIN32_LARGEFILE
dnl -------------------------------------------------
dnl Check if curl's WIN32 large file will be used
AC_DEFUN([CURL_CHECK_WIN32_LARGEFILE], [
AC_REQUIRE([CURL_CHECK_HEADER_WINDOWS])dnl
AC_MSG_CHECKING([whether build target supports WIN32 file API])
curl_win32_file_api="no"
if test "$ac_cv_header_windows_h" = "yes"; then
if test x"$enable_largefile" != "xno"; then
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
]],[[
#if !defined(_WIN32_WCE) && \
(defined(__MINGW32__) || \
(defined(_MSC_VER) && (defined(_WIN32) || defined(_WIN64))))
int dummy=1;
#else
WIN32 large file API not supported.
#endif
]])
],[
curl_win32_file_api="win32_large_files"
])
fi
if test "$curl_win32_file_api" = "no"; then
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
]],[[
#if defined(_WIN32_WCE) || defined(__MINGW32__) || defined(_MSC_VER)
int dummy=1;
#else
WIN32 small file API not supported.
#endif
]])
],[
curl_win32_file_api="win32_small_files"
])
fi
fi
case "$curl_win32_file_api" in
win32_large_files)
AC_MSG_RESULT([yes (large file enabled)])
AC_DEFINE_UNQUOTED(USE_WIN32_LARGE_FILES, 1,
[Define to 1 if you are building a Windows target with large file support.])
;;
win32_small_files)
AC_MSG_RESULT([yes (large file disabled)])
AC_DEFINE_UNQUOTED(USE_WIN32_SMALL_FILES, 1,
[Define to 1 if you are building a Windows target without large file support.])
;;
*)
AC_MSG_RESULT([no])
;;
esac
])
dnl CURL_EXPORT_PCDIR ($pcdir)
dnl ------------------------
dnl if $pcdir is not empty, set PKG_CONFIG_LIBDIR to $pcdir and export
dnl
dnl we need this macro since pkg-config distinguishes among empty and unset
dnl variable while checking PKG_CONFIG_LIBDIR
dnl
AC_DEFUN([CURL_EXPORT_PCDIR], [
if test -n "$1"; then
PKG_CONFIG_LIBDIR="$1"
export PKG_CONFIG_LIBDIR
fi
])
dnl CURL_CHECK_PKGCONFIG ($module, [$pcdir])
dnl ------------------------
dnl search for the pkg-config tool. Set the PKGCONFIG variable to hold the
dnl path to it, or 'no' if not found/present.
dnl
dnl If pkg-config is present, check that it has info about the $module or
dnl return "no" anyway!
dnl
dnl Optionally PKG_CONFIG_LIBDIR may be given as $pcdir.
dnl
AC_DEFUN([CURL_CHECK_PKGCONFIG], [
if test -n "$PKG_CONFIG"; then
PKGCONFIG="$PKG_CONFIG"
else
AC_PATH_TOOL([PKGCONFIG], [pkg-config], [no],
[$PATH:/usr/bin:/usr/local/bin])
fi
if test "x$PKGCONFIG" != "xno"; then
AC_MSG_CHECKING([for $1 options with pkg-config])
dnl ask pkg-config about $1
itexists=`CURL_EXPORT_PCDIR([$2]) dnl
$PKGCONFIG --exists $1 >/dev/null 2>&1 && echo 1`
if test -z "$itexists"; then
dnl pkg-config does not have info about the given module! set the
dnl variable to 'no'
PKGCONFIG="no"
AC_MSG_RESULT([no])
else
AC_MSG_RESULT([found])
fi
fi
])
dnl CURL_GENERATE_CONFIGUREHELP_PM
dnl -------------------------------------------------
dnl Generate test harness configurehelp.pm module, defining and
dnl initializing some perl variables with values which are known
dnl when the configure script runs. For portability reasons, test
dnl harness needs information on how to run the C preprocessor.
AC_DEFUN([CURL_GENERATE_CONFIGUREHELP_PM], [
AC_REQUIRE([AC_PROG_CPP])dnl
tmp_cpp=`eval echo "$ac_cpp" 2>/dev/null`
if test -z "$tmp_cpp"; then
tmp_cpp='cpp'
fi
cat >./tests/configurehelp.pm <<_EOF
[@%:@] This is a generated file. Do not edit.
package configurehelp;
use strict;
use warnings;
use Exporter;
use vars qw(
@ISA
@EXPORT_OK
\$Cpreprocessor
);
@ISA = qw(Exporter);
@EXPORT_OK = qw(
\$Cpreprocessor
);
\$Cpreprocessor = '$tmp_cpp';
1;
_EOF
])
dnl CURL_CPP_P
dnl
dnl Check if $cpp -P should be used for extract define values due to gcc 5
dnl splitting up strings and defines between line outputs. gcc by default
dnl (without -P) will show TEST EINVAL TEST as
dnl
dnl # 13 "conftest.c"
dnl TEST
dnl # 13 "conftest.c" 3 4
dnl 22
dnl # 13 "conftest.c"
dnl TEST
AC_DEFUN([CURL_CPP_P], [
AC_MSG_CHECKING([if cpp -P is needed])
AC_EGREP_CPP([TEST.*TEST], [
#include <errno.h>
TEST EINVAL TEST
], [cpp=no], [cpp=yes])
AC_MSG_RESULT([$cpp])
dnl we need cpp -P so check if it works then
if test "x$cpp" = "xyes"; then
AC_MSG_CHECKING([if cpp -P works])
OLDCPPFLAGS=$CPPFLAGS
CPPFLAGS="$CPPFLAGS -P"
AC_EGREP_CPP([TEST.*TEST], [
#include <errno.h>
TEST EINVAL TEST
], [cpp_p=yes], [cpp_p=no])
AC_MSG_RESULT([$cpp_p])
if test "x$cpp_p" = "xno"; then
AC_MSG_WARN([failed to figure out cpp -P alternative])
# without -P
CPPPFLAGS=$OLDCPPFLAGS
else
# with -P
CPPPFLAGS=$CPPFLAGS
fi
dnl restore CPPFLAGS
CPPFLAGS=$OLDCPPFLAGS
fi
])
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