# | (__| |_| | _ <| |___
# \___|\___/|_| \_\_____|
#
-# Copyright (C) 1998 - 2008, Daniel Stenberg, <daniel@haxx.se>, et al.
+# Copyright (C) 1998 - 2017, 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 http://curl.haxx.se/docs/copyright.html.
+# 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
# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
# KIND, either express or implied.
#
-# $Id$
-###########################################################################
+#***************************************************************************
+
+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 $1
+ return 0;
+#else
+ force compilation error
+#endif
+}
+ ]])
+ ],[
+ tst_symbol_defined="yes"
+ ],[
+ tst_symbol_defined="no"
+ ])
+ if test "$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([$0], [CURL_CONFIGURE_PULL_SYS_POLL])dnl
+ AC_MSG_CHECKING([if OS is AIX (to define _ALL_SOURCE)])
+ AC_EGREP_CPP([yes_this_is_aix],[
+#ifdef _AIX
+ yes_this_is_aix
+#endif
+ ],[
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(_ALL_SOURCE)
+ ],[
+ AC_MSG_RESULT([no])
+ ])
+])
dnl CURL_CHECK_HEADER_WINDOWS
dnl -------------------------------------------------
-dnl Check for compilable and valid windows.h header
+dnl Check for compilable and valid windows.h header
AC_DEFUN([CURL_CHECK_HEADER_WINDOWS], [
- AC_CACHE_CHECK([for windows.h], [ac_cv_header_windows_h], [
+ AC_CACHE_CHECK([for windows.h], [curl_cv_header_windows_h], [
AC_COMPILE_IFELSE([
- AC_LANG_PROGRAM([
+ AC_LANG_PROGRAM([[
#undef inline
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>
- ],[
-#ifdef __CYGWIN__
+ ]],[[
+#if defined(__CYGWIN__) || defined(__CEGCC__)
HAVE_WINDOWS_H shall not be defined.
#else
int dummy=2*WINVER;
#endif
- ])
+ ]])
],[
- ac_cv_header_windows_h="yes"
+ curl_cv_header_windows_h="yes"
],[
- ac_cv_header_windows_h="no"
+ curl_cv_header_windows_h="no"
])
])
- case "$ac_cv_header_windows_h" in
+ case "$curl_cv_header_windows_h" in
yes)
AC_DEFINE_UNQUOTED(HAVE_WINDOWS_H, 1,
[Define to 1 if you have the windows.h header file.])
- AC_DEFINE_UNQUOTED(WIN32_LEAN_AND_MEAN, 1,
- [Define to avoid automatic inclusion of winsock.h])
;;
esac
])
+dnl CURL_CHECK_NATIVE_WINDOWS
+dnl -------------------------------------------------
+dnl Check if building a native Windows target
+
+AC_DEFUN([CURL_CHECK_NATIVE_WINDOWS], [
+ AC_REQUIRE([CURL_CHECK_HEADER_WINDOWS])dnl
+ AC_CACHE_CHECK([whether build target is a native Windows one], [curl_cv_native_windows], [
+ if test "$curl_cv_header_windows_h" = "no"; then
+ curl_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
+ ]])
+ ],[
+ curl_cv_native_windows="yes"
+ ],[
+ curl_cv_native_windows="no"
+ ])
+ fi
+ ])
+ AM_CONDITIONAL(DOING_NATIVE_WINDOWS, test "x$curl_cv_native_windows" = xyes)
+])
+
+
dnl CURL_CHECK_HEADER_WINSOCK
dnl -------------------------------------------------
-dnl Check for compilable and valid winsock.h header
+dnl Check for compilable and valid winsock.h header
AC_DEFUN([CURL_CHECK_HEADER_WINSOCK], [
AC_REQUIRE([CURL_CHECK_HEADER_WINDOWS])dnl
- AC_CACHE_CHECK([for winsock.h], [ac_cv_header_winsock_h], [
+ AC_CACHE_CHECK([for winsock.h], [curl_cv_header_winsock_h], [
AC_COMPILE_IFELSE([
- AC_LANG_PROGRAM([
+ AC_LANG_PROGRAM([[
#undef inline
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>
#include <winsock.h>
- ],[
-#ifdef __CYGWIN__
+ ]],[[
+#if defined(__CYGWIN__) || defined(__CEGCC__)
HAVE_WINSOCK_H shall not be defined.
#else
int dummy=WSACleanup();
#endif
- ])
+ ]])
],[
- ac_cv_header_winsock_h="yes"
+ curl_cv_header_winsock_h="yes"
],[
- ac_cv_header_winsock_h="no"
+ curl_cv_header_winsock_h="no"
])
])
- case "$ac_cv_header_winsock_h" in
+ case "$curl_cv_header_winsock_h" in
yes)
AC_DEFINE_UNQUOTED(HAVE_WINSOCK_H, 1,
[Define to 1 if you have the winsock.h header file.])
dnl CURL_CHECK_HEADER_WINSOCK2
dnl -------------------------------------------------
-dnl Check for compilable and valid winsock2.h header
+dnl Check for compilable and valid winsock2.h header
AC_DEFUN([CURL_CHECK_HEADER_WINSOCK2], [
AC_REQUIRE([CURL_CHECK_HEADER_WINDOWS])dnl
- AC_CACHE_CHECK([for winsock2.h], [ac_cv_header_winsock2_h], [
+ AC_CACHE_CHECK([for winsock2.h], [curl_cv_header_winsock2_h], [
AC_COMPILE_IFELSE([
- AC_LANG_PROGRAM([
+ AC_LANG_PROGRAM([[
#undef inline
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>
#include <winsock2.h>
- ],[
-#ifdef __CYGWIN__
+ ]],[[
+#if defined(__CYGWIN__) || defined(__CEGCC__) || defined(__MINGW32CE__)
HAVE_WINSOCK2_H shall not be defined.
#else
int dummy=2*IPPROTO_ESP;
#endif
- ])
+ ]])
],[
- ac_cv_header_winsock2_h="yes"
+ curl_cv_header_winsock2_h="yes"
],[
- ac_cv_header_winsock2_h="no"
+ curl_cv_header_winsock2_h="no"
])
])
- case "$ac_cv_header_winsock2_h" in
+ case "$curl_cv_header_winsock2_h" in
yes)
AC_DEFINE_UNQUOTED(HAVE_WINSOCK2_H, 1,
[Define to 1 if you have the winsock2.h header file.])
AC_DEFUN([CURL_CHECK_HEADER_WS2TCPIP], [
AC_REQUIRE([CURL_CHECK_HEADER_WINSOCK2])dnl
- AC_CACHE_CHECK([for ws2tcpip.h], [ac_cv_header_ws2tcpip_h], [
+ AC_CACHE_CHECK([for ws2tcpip.h], [curl_cv_header_ws2tcpip_h], [
AC_COMPILE_IFELSE([
- AC_LANG_PROGRAM([
+ AC_LANG_PROGRAM([[
#undef inline
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <winsock2.h>
#include <ws2tcpip.h>
- ],[
-#ifdef __CYGWIN__
+ ]],[[
+#if defined(__CYGWIN__) || defined(__CEGCC__) || defined(__MINGW32CE__)
HAVE_WS2TCPIP_H shall not be defined.
#else
int dummy=2*IP_PKTINFO;
#endif
- ])
+ ]])
],[
- ac_cv_header_ws2tcpip_h="yes"
+ curl_cv_header_ws2tcpip_h="yes"
],[
- ac_cv_header_ws2tcpip_h="no"
+ curl_cv_header_ws2tcpip_h="no"
])
])
- case "$ac_cv_header_ws2tcpip_h" in
+ case "$curl_cv_header_ws2tcpip_h" in
yes)
AC_DEFINE_UNQUOTED(HAVE_WS2TCPIP_H, 1,
[Define to 1 if you have the ws2tcpip.h header file.])
AC_DEFUN([CURL_CHECK_HEADER_WINLDAP], [
AC_REQUIRE([CURL_CHECK_HEADER_WINDOWS])dnl
- AC_CACHE_CHECK([for winldap.h], [ac_cv_header_winldap_h], [
+ AC_CACHE_CHECK([for winldap.h], [curl_cv_header_winldap_h], [
AC_COMPILE_IFELSE([
- AC_LANG_PROGRAM([
+ AC_LANG_PROGRAM([[
#undef inline
#ifdef HAVE_WINDOWS_H
#ifndef WIN32_LEAN_AND_MEAN
#include <windows.h>
#endif
#include <winldap.h>
- ],[
-#ifdef __CYGWIN__
+ ]],[[
+#if defined(__CYGWIN__) || defined(__CEGCC__)
HAVE_WINLDAP_H shall not be defined.
#else
LDAP *ldp = ldap_init("dummy", LDAP_PORT);
ULONG res = ldap_unbind(ldp);
#endif
- ])
+ ]])
],[
- ac_cv_header_winldap_h="yes"
+ curl_cv_header_winldap_h="yes"
],[
- ac_cv_header_winldap_h="no"
+ curl_cv_header_winldap_h="no"
])
])
- case "$ac_cv_header_winldap_h" in
+ case "$curl_cv_header_winldap_h" in
yes)
AC_DEFINE_UNQUOTED(HAVE_WINLDAP_H, 1,
[Define to 1 if you have the winldap.h header file.])
AC_DEFUN([CURL_CHECK_HEADER_WINBER], [
AC_REQUIRE([CURL_CHECK_HEADER_WINLDAP])dnl
- AC_CACHE_CHECK([for winber.h], [ac_cv_header_winber_h], [
+ AC_CACHE_CHECK([for winber.h], [curl_cv_header_winber_h], [
AC_COMPILE_IFELSE([
- AC_LANG_PROGRAM([
+ AC_LANG_PROGRAM([[
#undef inline
#ifdef HAVE_WINDOWS_H
#ifndef WIN32_LEAN_AND_MEAN
#endif
#include <winldap.h>
#include <winber.h>
- ],[
-#ifdef __CYGWIN__
+ ]],[[
+#if defined(__CYGWIN__) || defined(__CEGCC__)
HAVE_WINBER_H shall not be defined.
#else
BERVAL *bvp = NULL;
BerElement *bep = ber_init(bvp);
ber_free(bep, 1);
#endif
- ])
+ ]])
],[
- ac_cv_header_winber_h="yes"
+ curl_cv_header_winber_h="yes"
],[
- ac_cv_header_winber_h="no"
+ curl_cv_header_winber_h="no"
])
])
- case "$ac_cv_header_winber_h" in
+ case "$curl_cv_header_winber_h" in
yes)
AC_DEFINE_UNQUOTED(HAVE_WINBER_H, 1,
[Define to 1 if you have the winber.h header file.])
AC_DEFUN([CURL_CHECK_HEADER_LBER], [
AC_REQUIRE([CURL_CHECK_HEADER_WINDOWS])dnl
- AC_CACHE_CHECK([for lber.h], [ac_cv_header_lber_h], [
+ AC_CACHE_CHECK([for lber.h], [curl_cv_header_lber_h], [
AC_COMPILE_IFELSE([
- AC_LANG_PROGRAM([
+ AC_LANG_PROGRAM([[
#undef inline
#ifdef HAVE_WINDOWS_H
#ifndef WIN32_LEAN_AND_MEAN
#define NULL (void *)0
#endif
#include <lber.h>
- ],[
+ ]],[[
BerValue *bvp = NULL;
BerElement *bep = ber_init(bvp);
ber_free(bep, 1);
- ])
+ ]])
],[
- ac_cv_header_lber_h="yes"
+ curl_cv_header_lber_h="yes"
],[
- ac_cv_header_lber_h="no"
+ curl_cv_header_lber_h="no"
])
])
- if test "$ac_cv_header_lber_h" = "yes"; then
+ if test "$curl_cv_header_lber_h" = "yes"; then
AC_DEFINE_UNQUOTED(HAVE_LBER_H, 1,
[Define to 1 if you have the lber.h header file.])
#
AC_COMPILE_IFELSE([
- AC_LANG_PROGRAM([
+ AC_LANG_PROGRAM([[
#undef inline
#ifdef HAVE_WINDOWS_H
#ifndef WIN32_LEAN_AND_MEAN
#define LDAP_DEPRECATED 1
#endif
#include <ldap.h>
- ],[
+ ]],[[
BerValue *bvp = NULL;
BerElement *bep = ber_init(bvp);
ber_free(bep, 1);
- ])
+ ]])
],[
curl_cv_need_header_lber_h="no"
],[
AC_DEFUN([CURL_CHECK_HEADER_LDAP], [
AC_REQUIRE([CURL_CHECK_HEADER_LBER])dnl
- AC_CACHE_CHECK([for ldap.h], [ac_cv_header_ldap_h], [
+ AC_CACHE_CHECK([for ldap.h], [curl_cv_header_ldap_h], [
AC_COMPILE_IFELSE([
- AC_LANG_PROGRAM([
+ AC_LANG_PROGRAM([[
#undef inline
#ifdef HAVE_WINDOWS_H
#ifndef WIN32_LEAN_AND_MEAN
#include <lber.h>
#endif
#include <ldap.h>
- ],[
+ ]],[[
LDAP *ldp = ldap_init("dummy", LDAP_PORT);
int res = ldap_unbind(ldp);
- ])
+ ]])
],[
- ac_cv_header_ldap_h="yes"
+ curl_cv_header_ldap_h="yes"
],[
- ac_cv_header_ldap_h="no"
+ curl_cv_header_ldap_h="no"
])
])
- case "$ac_cv_header_ldap_h" in
+ case "$curl_cv_header_ldap_h" in
yes)
AC_DEFINE_UNQUOTED(HAVE_LDAP_H, 1,
[Define to 1 if you have the ldap.h header file.])
AC_DEFUN([CURL_CHECK_HEADER_LDAP_SSL], [
AC_REQUIRE([CURL_CHECK_HEADER_LDAP])dnl
- AC_CACHE_CHECK([for ldap_ssl.h], [ac_cv_header_ldap_ssl_h], [
+ AC_CACHE_CHECK([for ldap_ssl.h], [curl_cv_header_ldap_ssl_h], [
AC_COMPILE_IFELSE([
- AC_LANG_PROGRAM([
+ AC_LANG_PROGRAM([[
#undef inline
#ifdef HAVE_WINDOWS_H
#ifndef WIN32_LEAN_AND_MEAN
#include <ldap.h>
#endif
#include <ldap_ssl.h>
- ],[
+ ]],[[
LDAP *ldp = ldapssl_init("dummy", LDAPS_PORT, 1);
- ])
+ ]])
],[
- ac_cv_header_ldap_ssl_h="yes"
+ curl_cv_header_ldap_ssl_h="yes"
],[
- ac_cv_header_ldap_ssl_h="no"
+ curl_cv_header_ldap_ssl_h="no"
])
])
- case "$ac_cv_header_ldap_ssl_h" in
+ case "$curl_cv_header_ldap_ssl_h" in
yes)
AC_DEFINE_UNQUOTED(HAVE_LDAP_SSL_H, 1,
[Define to 1 if you have the ldap_ssl.h header file.])
AC_DEFUN([CURL_CHECK_HEADER_LDAPSSL], [
AC_REQUIRE([CURL_CHECK_HEADER_LDAP])dnl
- AC_CACHE_CHECK([for ldapssl.h], [ac_cv_header_ldapssl_h], [
+ AC_CACHE_CHECK([for ldapssl.h], [curl_cv_header_ldapssl_h], [
AC_COMPILE_IFELSE([
- AC_LANG_PROGRAM([
+ AC_LANG_PROGRAM([[
#undef inline
#ifdef HAVE_WINDOWS_H
#ifndef WIN32_LEAN_AND_MEAN
#include <ldap.h>
#endif
#include <ldapssl.h>
- ],[
+ ]],[[
char *cert_label = NULL;
LDAP *ldp = ldap_ssl_init("dummy", LDAPS_PORT, cert_label);
- ])
+ ]])
],[
- ac_cv_header_ldapssl_h="yes"
+ curl_cv_header_ldapssl_h="yes"
],[
- ac_cv_header_ldapssl_h="no"
+ curl_cv_header_ldapssl_h="no"
])
])
- case "$ac_cv_header_ldapssl_h" in
+ case "$curl_cv_header_ldapssl_h" in
yes)
AC_DEFINE_UNQUOTED(HAVE_LDAPSSL_H, 1,
[Define to 1 if you have the ldapssl.h header file.])
#
for x_nlibs in '' "$u_libs" \
'-lwldap32' ; do
- if test -z "$x_nlibs"; then
- LIBS="$curl_cv_save_LIBS"
- else
- LIBS="$x_nlibs $curl_cv_save_LIBS"
- fi
- AC_LINK_IFELSE([
- AC_LANG_PROGRAM([
+ if test "$curl_cv_ldap_LIBS" = "unknown"; then
+ if test -z "$x_nlibs"; then
+ LIBS="$curl_cv_save_LIBS"
+ else
+ LIBS="$x_nlibs $curl_cv_save_LIBS"
+ fi
+ AC_LINK_IFELSE([
+ AC_LANG_PROGRAM([[
#undef inline
#ifdef HAVE_WINDOWS_H
#ifndef WIN32_LEAN_AND_MEAN
#include <winber.h>
#endif
#endif
+ ]],[[
+ BERVAL *bvp = NULL;
+ BerElement *bep = ber_init(bvp);
+ LDAP *ldp = ldap_init("dummy", LDAP_PORT);
+ ULONG res = ldap_unbind(ldp);
+ ber_free(bep, 1);
+ ]])
],[
- BERVAL *bvp = NULL;
- BerElement *bep = ber_init(bvp);
- LDAP *ldp = ldap_init("dummy", LDAP_PORT);
- ULONG res = ldap_unbind(ldp);
- ber_free(bep, 1);
+ curl_cv_ldap_LIBS="$x_nlibs"
])
- ],[
- curl_cv_ldap_LIBS="$x_nlibs"
- break
- ])
+ fi
done
#
LIBS="$curl_cv_save_LIBS"
#
for x_nlibs in '' "$u_libs" \
'-lldap' \
- '-llber -lldap' \
'-lldap -llber' \
+ '-llber -lldap' \
'-lldapssl -lldapx -lldapsdk' \
'-lldapsdk -lldapx -lldapssl' ; do
- if test -z "$x_nlibs"; then
- LIBS="$curl_cv_save_LIBS"
- else
- LIBS="$x_nlibs $curl_cv_save_LIBS"
- fi
- AC_LINK_IFELSE([
- AC_LANG_PROGRAM([
+ if test "$curl_cv_ldap_LIBS" = "unknown"; then
+ if test -z "$x_nlibs"; then
+ LIBS="$curl_cv_save_LIBS"
+ else
+ LIBS="$x_nlibs $curl_cv_save_LIBS"
+ fi
+ AC_LINK_IFELSE([
+ AC_LANG_PROGRAM([[
#undef inline
#ifdef HAVE_WINDOWS_H
#ifndef WIN32_LEAN_AND_MEAN
#ifdef HAVE_LDAP_H
#include <ldap.h>
#endif
+ ]],[[
+ BerValue *bvp = NULL;
+ BerElement *bep = ber_init(bvp);
+ LDAP *ldp = ldap_init("dummy", LDAP_PORT);
+ int res = ldap_unbind(ldp);
+ ber_free(bep, 1);
+ ]])
],[
- BerValue *bvp = NULL;
- BerElement *bep = ber_init(bvp);
- LDAP *ldp = ldap_init("dummy", LDAP_PORT);
- int res = ldap_unbind(ldp);
- ber_free(bep, 1);
+ curl_cv_ldap_LIBS="$x_nlibs"
])
- ],[
- curl_cv_ldap_LIBS="$x_nlibs"
- break
- ])
+ fi
done
#
LIBS="$curl_cv_save_LIBS"
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_CACHE_CHECK([for malloc.h], [curl_cv_header_malloc_h], [
AC_COMPILE_IFELSE([
- AC_LANG_PROGRAM([
+ 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"
+ curl_cv_header_malloc_h="yes"
],[
- ac_cv_header_malloc_h="no"
+ curl_cv_header_malloc_h="no"
])
])
- if test "$ac_cv_header_malloc_h" = "yes"; then
+ if test "$curl_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([
+ 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"
],[
])
-dnl CURL_CHECK_TYPE_SOCKLEN_T
+dnl CURL_CHECK_HEADER_MEMORY
dnl -------------------------------------------------
-dnl Check for existing socklen_t type, and provide
-dnl an equivalent type if socklen_t not available
+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_TYPE_SOCKLEN_T], [
- AC_REQUIRE([CURL_CHECK_HEADER_WS2TCPIP])dnl
- AC_CHECK_TYPE([socklen_t], ,[
- AC_CACHE_CHECK([for socklen_t equivalent],
- [curl_cv_socklen_t_equiv], [
- curl_cv_socklen_t_equiv="unknown"
- for arg2 in "struct sockaddr" void; do
- for t in int size_t unsigned long "unsigned long"; do
- 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 getpeername (int, $arg2 *, $t *);
- ],[
- $t len=0;
- getpeername(0,0,&len);
- ])
- ],[
- curl_cv_socklen_t_equiv="$t"
- break 2
- ])
- done
- done
+AC_DEFUN([CURL_CHECK_HEADER_MEMORY], [
+ AC_CACHE_CHECK([for memory.h], [curl_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);
+ ]])
+ ],[
+ curl_cv_header_memory_h="yes"
+ ],[
+ curl_cv_header_memory_h="no"
])
- case "$curl_cv_socklen_t_equiv" in
- unknown)
- AC_MSG_ERROR([Cannot find a type to use in place of socklen_t])
- ;;
- *)
- AC_DEFINE_UNQUOTED(socklen_t, $curl_cv_socklen_t_equiv,
- [type to use in place of socklen_t if not defined])
+ ])
+ if test "$curl_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 "$curl_cv_need_header_memory_h" in
+ yes)
+ AC_DEFINE_UNQUOTED(NEED_MEMORY_H, 1,
+ [Define to 1 if you need the memory.h header file even with stdlib.h])
;;
esac
- ],[
-#undef inline
-#ifdef HAVE_WINDOWS_H
-#ifndef WIN32_LEAN_AND_MEAN
-#define WIN32_LEAN_AND_MEAN
-#endif
-#include <windows.h>
-#ifdef HAVE_WINSOCK2_H
-#include <winsock2.h>
-#ifdef HAVE_WS2TCPIP_H
-#include <ws2tcpip.h>
-#endif
-#endif
-#else
-#ifdef HAVE_SYS_TYPES_H
-#include <sys/types.h>
-#endif
-#ifdef HAVE_SYS_SOCKET_H
-#include <sys/socket.h>
-#endif
-#endif
- ])
+ fi
])
dnl CURL_CHECK_FUNC_GETNAMEINFO
dnl -------------------------------------------------
-dnl Test if the getnameinfo function is available,
+dnl Test if the getnameinfo function is available,
dnl and check the types of five of its arguments.
dnl If the function succeeds HAVE_GETNAMEINFO will be
dnl defined, defining the types of the arguments in
dnl GETNAMEINFO_TYPE_ARG1, GETNAMEINFO_TYPE_ARG2,
dnl GETNAMEINFO_TYPE_ARG46 and GETNAMEINFO_TYPE_ARG7,
-dnl and also defining the type qualifier of first
+dnl and also defining the type qualifier of first
dnl argument in GETNAMEINFO_QUAL_ARG1.
AC_DEFUN([CURL_CHECK_FUNC_GETNAMEINFO], [
AC_REQUIRE([CURL_CHECK_HEADER_WS2TCPIP])dnl
- AC_REQUIRE([CURL_CHECK_TYPE_SOCKLEN_T])dnl
AC_CHECK_HEADERS(sys/types.h sys/socket.h netdb.h)
#
AC_MSG_CHECKING([for getnameinfo])
AC_LINK_IFELSE([
- AC_LANG_FUNC_LINK_TRY([getnameinfo])
- ],[
- AC_MSG_RESULT([yes])
- curl_cv_getnameinfo="yes"
- ],[
- AC_MSG_RESULT([no])
- curl_cv_getnameinfo="no"
+ AC_LANG_FUNC_LINK_TRY([getnameinfo])
+ ],[
+ AC_MSG_RESULT([yes])
+ curl_cv_getnameinfo="yes"
+ ],[
+ AC_MSG_RESULT([no])
+ curl_cv_getnameinfo="no"
])
#
if test "$curl_cv_getnameinfo" != "yes"; then
AC_MSG_CHECKING([deeper for getnameinfo])
- AC_TRY_LINK([
- ],[
+ 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"
+ ]])
+ ],[
+ AC_MSG_RESULT([yes])
+ curl_cv_getnameinfo="yes"
+ ],[
+ AC_MSG_RESULT([but still no])
+ curl_cv_getnameinfo="no"
])
fi
#
if test "$curl_cv_getnameinfo" != "yes"; then
AC_MSG_CHECKING([deeper and deeper for getnameinfo])
- AC_TRY_LINK([
+ AC_LINK_IFELSE([
+ AC_LANG_PROGRAM([[
#undef inline
#ifdef HAVE_WINDOWS_H
#ifndef WIN32_LEAN_AND_MEAN
#include <netdb.h>
#endif
#endif
- ],[
+ ]],[[
getnameinfo(0, 0, 0, 0, 0, 0, 0);
- ],[
- AC_MSG_RESULT([yes])
- curl_cv_getnameinfo="yes"
- ],[
- AC_MSG_RESULT([but still no])
- curl_cv_getnameinfo="no"
+ ]])
+ ],[
+ AC_MSG_RESULT([yes])
+ curl_cv_getnameinfo="yes"
+ ],[
+ AC_MSG_RESULT([but still no])
+ curl_cv_getnameinfo="no"
])
fi
#
for gni_arg2 in 'socklen_t' 'size_t' 'int'; do
for gni_arg46 in 'size_t' 'int' 'socklen_t' 'unsigned int' 'DWORD'; do
for gni_arg7 in 'int' 'unsigned int'; do
- AC_COMPILE_IFELSE([
- AC_LANG_PROGRAM([
-#undef inline
+ if test "$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
#include <windows.h>
#ifdef HAVE_WINSOCK2_H
-#include <winsock2.h>
+#include <winsock2.h>
#ifdef HAVE_WS2TCPIP_H
#include <ws2tcpip.h>
#endif
#endif
#define GNICALLCONV
#endif
- extern int GNICALLCONV getnameinfo($gni_arg1, $gni_arg2,
- char *, $gni_arg46,
- char *, $gni_arg46,
- $gni_arg7);
+ extern int GNICALLCONV
+#ifdef __ANDROID__
+__attribute__((overloadable))
+#endif
+ getnameinfo($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);
+ ]])
],[
- $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,$gni_arg7"
])
- ],[
- curl_cv_func_getnameinfo_args="$gni_arg1,$gni_arg2,$gni_arg46,$gni_arg7"
- break 4
- ])
+ fi
done
done
done
done
- ]) # AC_CACHE_CHECK
+ ]) # AC-CACHE-CHECK
if test "$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])
#
AC_DEFINE_UNQUOTED(HAVE_GETNAMEINFO, 1,
[Define to 1 if you have the getnameinfo function.])
- ac_cv_func_getnameinfo="yes"
+ curl_cv_func_getnameinfo="yes"
fi
fi
-]) # AC_DEFUN
+])
dnl TYPE_SOCKADDR_STORAGE
dnl -------------------------------------------------
-dnl Check for struct sockaddr_storage. Most IPv6-enabled
+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_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_CACHE_CHECK([for working NI_WITHSCOPEID],
+ [curl_cv_working_ni_withscopeid], [
AC_RUN_IFELSE([
- AC_LANG_PROGRAM([
+ AC_LANG_PROGRAM([[
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
#ifdef HAVE_STDIO_H
#include <stdio.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
return 4; /* Error, NI_WITHSCOPEID not defined or no getnameinfo() */
#endif
- ]) # AC_LANG_PROGRAM
+ ]]) # AC-LANG-PROGRAM
],[
# Exit code == 0. Program worked.
- ac_cv_working_ni_withscopeid="yes"
+ curl_cv_working_ni_withscopeid="yes"
],[
# Exit code != 0. Program failed.
- ac_cv_working_ni_withscopeid="no"
+ curl_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([
+ 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"
+ curl_cv_working_ni_withscopeid="yes"
],[
- ac_cv_working_ni_withscopeid="no"
- ]) # AC_COMPILE_IFELSE
- ]) # AC_RUN_IFELSE
- ]) # AC_CACHE_CHECK
- case "$ac_cv_working_ni_withscopeid" in
+ curl_cv_working_ni_withscopeid="no"
+ ]) # AC-COMPILE-IFELSE
+ ]) # AC-RUN-IFELSE
+ ]) # AC-CACHE-CHECK
+ case "$curl_cv_working_ni_withscopeid" in
yes)
AC_DEFINE(HAVE_NI_WITHSCOPEID, 1,
[Define to 1 if NI_WITHSCOPEID exists and works.])
;;
esac
-]) # AC_DEFUN
+])
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 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_CHECK_HEADERS(sys/types.h sys/socket.h)
#
AC_MSG_CHECKING([for recv])
- AC_TRY_LINK([
-#undef inline
+ AC_LINK_IFELSE([
+ AC_LANG_PROGRAM([[
+#undef inline
#ifdef HAVE_WINDOWS_H
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#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"
+ ]])
+ ],[
+ AC_MSG_RESULT([yes])
+ curl_cv_recv="yes"
+ ],[
+ AC_MSG_RESULT([no])
+ curl_cv_recv="no"
])
#
if test "$curl_cv_recv" = "yes"; then
for recv_arg2 in 'char *' 'void *'; do
for recv_arg3 in 'size_t' 'int' 'socklen_t' 'unsigned int'; do
for recv_arg4 in 'int' 'unsigned int'; do
- AC_COMPILE_IFELSE([
- AC_LANG_PROGRAM([
-#undef inline
+ if test "$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
#define RECVCALLCONV
#endif
- extern $recv_retv RECVCALLCONV recv($recv_arg1, $recv_arg2, $recv_arg3, $recv_arg4);
+ extern $recv_retv RECVCALLCONV
+#ifdef __ANDROID__
+__attribute__((overloadable))
+#endif
+ recv($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);
+ ]])
],[
- $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"
])
- ],[
- curl_cv_func_recv_args="$recv_arg1,$recv_arg2,$recv_arg3,$recv_arg4,$recv_retv"
- break 5
- ])
+ fi
done
done
done
done
done
- ]) # AC_CACHE_CHECK
+ ]) # AC-CACHE-CHECK
if test "$curl_cv_func_recv_args" = "unknown"; then
AC_MSG_ERROR([Cannot find proper types to use for recv args])
else
#
AC_DEFINE_UNQUOTED(HAVE_RECV, 1,
[Define to 1 if you have the recv function.])
- ac_cv_func_recv="yes"
+ curl_cv_func_recv="yes"
fi
else
AC_MSG_ERROR([Unable to link function recv])
fi
-]) # AC_DEFUN
+])
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 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 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_CHECK_HEADERS(sys/types.h sys/socket.h)
#
AC_MSG_CHECKING([for send])
- AC_TRY_LINK([
-#undef inline
+ AC_LINK_IFELSE([
+ AC_LANG_PROGRAM([[
+#undef inline
#ifdef HAVE_WINDOWS_H
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#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"
+ ]])
+ ],[
+ AC_MSG_RESULT([yes])
+ curl_cv_send="yes"
+ ],[
+ AC_MSG_RESULT([no])
+ curl_cv_send="no"
])
#
if test "$curl_cv_send" = "yes"; then
for send_arg2 in 'char *' 'void *' 'const char *' 'const void *'; do
for send_arg3 in 'size_t' 'int' 'socklen_t' 'unsigned int'; do
for send_arg4 in 'int' 'unsigned int'; do
- AC_COMPILE_IFELSE([
- AC_LANG_PROGRAM([
-#undef inline
+ if test "$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
#define SENDCALLCONV
#endif
- extern $send_retv SENDCALLCONV send($send_arg1, $send_arg2, $send_arg3, $send_arg4);
+ extern $send_retv SENDCALLCONV
+#ifdef __ANDROID__
+__attribute__((overloadable))
+#endif
+ send($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);
+ ]])
],[
- $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"
])
- ],[
- curl_cv_func_send_args="$send_arg1,$send_arg2,$send_arg3,$send_arg4,$send_retv"
- break 5
- ])
+ fi
done
done
done
done
done
- ]) # AC_CACHE_CHECK
+ ]) # AC-CACHE-CHECK
if test "$curl_cv_func_send_args" = "unknown"; then
AC_MSG_ERROR([Cannot find proper types to use for send args])
else
#
AC_DEFINE_UNQUOTED(HAVE_SEND, 1,
[Define to 1 if you have the send function.])
- ac_cv_func_send="yes"
+ curl_cv_func_send="yes"
fi
else
AC_MSG_ERROR([Unable to link function send])
fi
-]) # AC_DEFUN
-
+])
dnl CURL_CHECK_MSG_NOSIGNAL
dnl -------------------------------------------------
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_CACHE_CHECK([for MSG_NOSIGNAL], [curl_cv_msg_nosignal], [
AC_COMPILE_IFELSE([
- AC_LANG_PROGRAM([
-#undef inline
+ AC_LANG_PROGRAM([[
+#undef inline
#ifdef HAVE_WINDOWS_H
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#include <sys/socket.h>
#endif
#endif
- ],[
+ ]],[[
int flag=MSG_NOSIGNAL;
- ])
+ ]])
],[
- ac_cv_msg_nosignal="yes"
+ curl_cv_msg_nosignal="yes"
],[
- ac_cv_msg_nosignal="no"
+ curl_cv_msg_nosignal="no"
])
])
- case "$ac_cv_msg_nosignal" in
+ case "$curl_cv_msg_nosignal" in
yes)
AC_DEFINE_UNQUOTED(HAVE_MSG_NOSIGNAL, 1,
[Define to 1 if you have the MSG_NOSIGNAL flag.])
;;
esac
-]) # AC_DEFUN
+])
dnl 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)
- AC_CACHE_CHECK([for struct timeval], [ac_cv_struct_timeval], [
+ AC_CHECK_HEADERS(sys/types.h sys/time.h time.h sys/socket.h)
+ AC_CACHE_CHECK([for struct timeval], [curl_cv_struct_timeval], [
AC_COMPILE_IFELSE([
- AC_LANG_PROGRAM([
-#undef inline
+ AC_LANG_PROGRAM([[
+#undef inline
#ifdef HAVE_WINDOWS_H
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#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"
+ curl_cv_struct_timeval="yes"
],[
- ac_cv_struct_timeval="no"
+ curl_cv_struct_timeval="no"
])
])
- case "$ac_cv_struct_timeval" in
+ case "$curl_cv_struct_timeval" in
yes)
AC_DEFINE_UNQUOTED(HAVE_STRUCT_TIMEVAL, 1,
[Define to 1 if you have the timeval struct.])
;;
esac
-]) # AC_DEFUN
+])
dnl TYPE_SIG_ATOMIC_T
yes)
#
AC_MSG_CHECKING([if sig_atomic_t is already defined as volatile])
- AC_TRY_LINK([
+ 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"
+ ]])
+ ],[
+ AC_MSG_RESULT([no])
+ curl_cv_sig_atomic_t_volatile="no"
+ ],[
+ AC_MSG_RESULT([yes])
+ curl_cv_sig_atomic_t_volatile="yes"
])
#
- if test "$ac_cv_sig_atomic_t_volatile" = "yes"; then
+ if test "$curl_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
-]) # AC_DEFUN
-
-
-dnl CURL_CHECK_NONBLOCKING_SOCKET
-dnl -------------------------------------------------
-dnl Check for how to set a socket to non-blocking state. There seems to exist
-dnl four known different ways, with the one used almost everywhere being POSIX
-dnl and XPG3, while the other different ways for different systems (old BSD,
-dnl Windows and Amiga).
-dnl
-dnl There are two known platforms (AIX 3.x and SunOS 4.1.x) where the
-dnl O_NONBLOCK define is found but does not work. This condition is attempted
-dnl to get caught in this script by using an excessive number of #ifdefs...
-dnl
-AC_DEFUN([CURL_CHECK_NONBLOCKING_SOCKET],
-[
- AC_MSG_CHECKING([non-blocking sockets style])
-
- AC_TRY_COMPILE([
-/* headers for O_NONBLOCK test */
-#include <sys/types.h>
-#include <unistd.h>
-#include <fcntl.h>
-],[
-/* try to compile O_NONBLOCK */
-
-#if defined(sun) || defined(__sun__) || defined(__SUNPRO_C) || defined(__SUNPRO_CC)
-# if defined(__SVR4) || defined(__srv4__)
-# define PLATFORM_SOLARIS
-# else
-# define PLATFORM_SUNOS4
-# endif
-#endif
-#if (defined(_AIX) || defined(__xlC__)) && !defined(_AIX41)
-# define PLATFORM_AIX_V3
-#endif
-
-#if defined(PLATFORM_SUNOS4) || defined(PLATFORM_AIX_V3) || defined(__BEOS__)
-#error "O_NONBLOCK does not work on this platform"
-#endif
- int socket;
- int flags = fcntl(socket, F_SETFL, flags | O_NONBLOCK);
-],[
-dnl the O_NONBLOCK test was fine
-nonblock="O_NONBLOCK"
-AC_DEFINE(HAVE_O_NONBLOCK, 1, [use O_NONBLOCK for non-blocking sockets])
-],[
-dnl the code was bad, try a different program now, test 2
-
- AC_TRY_COMPILE([
-/* headers for FIONBIO test */
-#include <unistd.h>
-#include <stropts.h>
-],[
-/* FIONBIO source test (old-style unix) */
- int socket;
- int flags = ioctl(socket, FIONBIO, &flags);
-],[
-dnl FIONBIO test was good
-nonblock="FIONBIO"
-AC_DEFINE(HAVE_FIONBIO, 1, [use FIONBIO for non-blocking sockets])
-],[
-dnl FIONBIO test was also bad
-dnl the code was bad, try a different program now, test 3
-
- AC_TRY_COMPILE([
-/* headers for ioctlsocket test (Windows) */
-#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
-],[
-/* ioctlsocket source code */
- SOCKET sd;
- unsigned long flags = 0;
- sd = socket(0, 0, 0);
- ioctlsocket(sd, FIONBIO, &flags);
-],[
-dnl ioctlsocket test was good
-nonblock="ioctlsocket"
-AC_DEFINE(HAVE_IOCTLSOCKET, 1, [use ioctlsocket() for non-blocking sockets])
-],[
-dnl ioctlsocket didnt compile!, go to test 4
-
- AC_TRY_LINK([
-/* headers for IoctlSocket test (Amiga?) */
-#include <sys/ioctl.h>
-],[
-/* IoctlSocket source code */
- int socket;
- int flags = IoctlSocket(socket, FIONBIO, (long)1);
-],[
-dnl ioctlsocket test was good
-nonblock="IoctlSocket"
-AC_DEFINE(HAVE_IOCTLSOCKET_CASE, 1, [use Ioctlsocket() for non-blocking sockets])
-],[
-dnl Ioctlsocket didnt compile, do test 5!
- AC_TRY_COMPILE([
-/* headers for SO_NONBLOCK test (BeOS) */
-#include <socket.h>
-],[
-/* SO_NONBLOCK source code */
- long b = 1;
- int socket;
- int flags = setsockopt(socket, SOL_SOCKET, SO_NONBLOCK, &b, sizeof(b));
-],[
-dnl the SO_NONBLOCK test was good
-nonblock="SO_NONBLOCK"
-AC_DEFINE(HAVE_SO_NONBLOCK, 1, [use SO_NONBLOCK for non-blocking sockets])
-],[
-dnl test 5 didnt compile!
-nonblock="nada"
-AC_DEFINE(HAVE_DISABLED_NONBLOCKING, 1, [disabled non-blocking sockets])
-])
-dnl end of fifth test
-
-])
-dnl end of forth test
-
-])
-dnl end of third test
-
-])
-dnl end of second test
-
-])
-dnl end of non-blocking try-compile test
- AC_MSG_RESULT($nonblock)
-
- if test "$nonblock" = "nada"; then
- AC_MSG_WARN([non-block sockets disabled])
- fi
])
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], ,[
- AC_MSG_CHECKING([for in_addr_t equivalent])
- AC_CACHE_VAL([curl_cv_in_addr_t_equiv],
- [
- curl_cv_in_addr_t_equiv=
- for t in "unsigned long" int size_t unsigned long; do
- AC_TRY_COMPILE([
+
+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
#include <arpa/inet.h>
#endif
#endif
- ],[
- $t data = inet_addr ("1.2.3.4");
- ],[
- curl_cv_in_addr_t_equiv="$t"
- break
- ])
- done
-
- if test "x$curl_cv_in_addr_t_equiv" = x; then
- AC_MSG_ERROR([Cannot find a type to use in place of in_addr_t])
- fi
- ])
- AC_MSG_RESULT($curl_cv_in_addr_t_equiv)
- AC_DEFINE_UNQUOTED(in_addr_t, $curl_cv_in_addr_t_equiv,
- [type to use in place of in_addr_t if not defined])],
- [
+ ]],[[
+ $t data = inet_addr ("1.2.3.4");
+ ]])
+ ],[
+ curl_cv_in_addr_t_equiv="$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, $curl_cv_in_addr_t_equiv,
+ [Type to use in place of in_addr_t when system does not provide it.])
+ ;;
+ esac
+ ],[
#undef inline
#ifdef HAVE_WINDOWS_H
#ifndef WIN32_LEAN_AND_MEAN
#include <arpa/inet.h>
#endif
#endif
- ]) dnl AC_CHECK_TYPE
-]) dnl AC_DEFUN
-
-dnl ************************************************************
-dnl check for "localhost", if it doesn't exist, we can't do the
-dnl gethostbyname_r tests!
-dnl
-
-AC_DEFUN([CURL_CHECK_WORKING_RESOLVER],[
-AC_MSG_CHECKING([if "localhost" resolves])
-AC_TRY_RUN([
-#include <string.h>
-#include <sys/types.h>
-#include <netdb.h>
-#ifndef NULL
-#define NULL (void *)0
-#endif
-
-int
-main () {
-struct hostent *h;
-h = gethostbyname("localhost");
-exit (h == NULL ? 1 : 0); }],[
- AC_MSG_RESULT(yes)],[
- AC_MSG_RESULT(no)
- AC_MSG_ERROR([can't figure out gethostbyname_r() since localhost doesn't resolve])
-
- ]
-)
-])
-
-dnl ************************************************************
-dnl check for working getaddrinfo() that works with AI_NUMERICHOST
-dnl
-AC_DEFUN([CURL_CHECK_WORKING_GETADDRINFO],[
- AC_CACHE_CHECK(for working getaddrinfo, ac_cv_working_getaddrinfo,[
- AC_TRY_RUN( [
-#include <netdb.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-
-int main(void)
-{
- struct addrinfo hints, *ai;
- int error;
-
- memset(&hints, 0, sizeof(hints));
- hints.ai_flags = AI_NUMERICHOST;
- hints.ai_family = AF_UNSPEC;
- hints.ai_socktype = SOCK_STREAM;
- error = getaddrinfo("127.0.0.1", "8080", &hints, &ai);
- if (error) {
- return 1;
- }
- return 0;
-}
-],[
- ac_cv_working_getaddrinfo="yes"
-],[
- ac_cv_working_getaddrinfo="no"
-],[
- ac_cv_working_getaddrinfo="yes"
-])])
-if test "$ac_cv_working_getaddrinfo" = "yes"; then
- AC_DEFINE(HAVE_GETADDRINFO, 1, [Define if getaddrinfo exists and works])
- AC_DEFINE(ENABLE_IPV6, 1, [Define if you want to enable IPv6 support])
-
- IPV6_ENABLED=1
- AC_SUBST(IPV6_ENABLED)
-fi
-])
-
-
-AC_DEFUN([CURL_CHECK_LOCALTIME_R],
-[
- dnl check for localtime_r
- AC_CHECK_FUNCS(localtime_r,[
- AC_MSG_CHECKING(whether localtime_r is declared)
- AC_EGREP_CPP(localtime_r,[
-#include <time.h>],[
- AC_MSG_RESULT(yes)],[
- AC_MSG_RESULT(no)
- AC_MSG_CHECKING(whether localtime_r with -D_REENTRANT is declared)
- AC_EGREP_CPP(localtime_r,[
-#define _REENTRANT
-#include <time.h>],[
- AC_DEFINE(NEED_REENTRANT)
- AC_MSG_RESULT(yes)],
- AC_MSG_RESULT(no))])])
+ ])
])
-dnl
-dnl This function checks for strerror_r(). If it isn't found at first, it
-dnl retries with _THREAD_SAFE defined, as that is what AIX seems to require
-dnl in order to find this function.
-dnl
-dnl If the function is found, it will then proceed to check how the function
-dnl actually works: glibc-style or POSIX-style.
-dnl
-dnl glibc:
-dnl char *strerror_r(int errnum, char *buf, size_t n);
-dnl
-dnl What this one does is to return the error string (no surprises there),
-dnl but it doesn't usually copy anything into buf! The 'buf' and 'n'
-dnl parameters are only meant as an optional working area, in case strerror_r
-dnl needs it. A quick test on a few systems shows that it's generally not
-dnl touched at all.
-dnl
-dnl POSIX:
-dnl int strerror_r(int errnum, char *buf, size_t n);
-dnl
-AC_DEFUN([CURL_CHECK_STRERROR_R],
-[
- AC_CHECK_FUNCS(strerror_r)
-
- if test "x$ac_cv_func_strerror_r" = "xyes"; then
-
- AC_MSG_CHECKING(whether strerror_r is declared)
- AC_EGREP_CPP(strerror_r,[
-#include <string.h>],[
- AC_MSG_RESULT(yes)],[
- AC_MSG_RESULT(no)
- AC_MSG_CHECKING(whether strerror_r with -D_REENTRANT is declared)
- AC_EGREP_CPP(strerror_r,[
-#define _REENTRANT
-#include <string.h>],[
- CPPFLAGS="-D_REENTRANT $CPPFLAGS"
- AC_MSG_RESULT(yes)],
- AC_MSG_RESULT(no)
- AC_DEFINE(HAVE_NO_STRERROR_R_DECL, 1, [we have no strerror_r() proto])
- ) dnl with _THREAD_SAFE
- ]) dnl plain cpp for it
-
- dnl determine if this strerror_r() is glibc or POSIX
- AC_MSG_CHECKING([for a glibc strerror_r API])
- AC_TRY_RUN([
-#include <string.h>
-#include <errno.h>
-int
-main () {
- char buffer[1024]; /* big enough to play with */
- char *string =
- strerror_r(EACCES, buffer, sizeof(buffer));
- /* this should've returned a string */
- if(!string || !string[0])
- return 99;
- return 0;
-}
-],
- GLIBC_STRERROR_R="1"
- AC_DEFINE(HAVE_GLIBC_STRERROR_R, 1, [we have a glibc-style strerror_r()])
- AC_MSG_RESULT([yes]),
- AC_MSG_RESULT([no]),
-
- dnl Use an inferior method of strerror_r detection while cross-compiling
- AC_EGREP_CPP(yes, [
-#include <features.h>
-#ifdef __GLIBC__
-yes
-#endif
-],
- dnl looks like glibc, so assume a glibc-style strerror_r()
- GLIBC_STRERROR_R="1"
- AC_DEFINE(HAVE_GLIBC_STRERROR_R, 1, [we have a glibc-style strerror_r()])
- AC_MSG_RESULT([yes]),
- AC_MSG_NOTICE([cannot determine strerror_r() style: edit lib/config.h manually!])
- ) dnl while cross-compiling
- )
-
- if test -z "$GLIBC_STRERROR_R"; then
-
- AC_MSG_CHECKING([for a POSIX strerror_r API])
- AC_TRY_RUN([
-#include <string.h>
-#include <errno.h>
-int
-main () {
- char buffer[1024]; /* big enough to play with */
- int error =
- strerror_r(EACCES, buffer, sizeof(buffer));
- /* This should've returned zero, and written an error string in the
- buffer.*/
- if(!buffer[0] || error)
- return 99;
- return 0;
-}
-],
- AC_DEFINE(HAVE_POSIX_STRERROR_R, 1, [we have a POSIX-style strerror_r()])
- AC_MSG_RESULT([yes]),
- AC_MSG_RESULT([no]) ,
- dnl cross-compiling!
- AC_MSG_NOTICE([cannot determine strerror_r() style: edit lib/config.h manually!])
- )
-
- fi dnl if not using glibc API
- fi dnl we have a strerror_r
-
-])
-
-AC_DEFUN([CURL_CHECK_INET_NTOA_R],
-[
- dnl determine if function definition for inet_ntoa_r exists.
- AC_CHECK_FUNCS(inet_ntoa_r,[
- AC_MSG_CHECKING(whether inet_ntoa_r is declared)
- AC_EGREP_CPP(inet_ntoa_r,[
-#include <arpa/inet.h>],[
- AC_DEFINE(HAVE_INET_NTOA_R_DECL, 1, [inet_ntoa_r() is declared])
- AC_MSG_RESULT(yes)],[
- AC_MSG_RESULT(no)
- AC_MSG_CHECKING(whether inet_ntoa_r with -D_REENTRANT is declared)
- AC_EGREP_CPP(inet_ntoa_r,[
-#define _REENTRANT
-#include <arpa/inet.h>],[
- AC_DEFINE(HAVE_INET_NTOA_R_DECL, 1, [inet_ntoa_r() is declared])
- AC_DEFINE(NEED_REENTRANT, 1, [need REENTRANT defined])
- AC_MSG_RESULT(yes)],
- AC_MSG_RESULT(no))])])
-])
+dnl CURL_CHECK_FUNC_CLOCK_GETTIME_MONOTONIC
+dnl -------------------------------------------------
+dnl Check if monotonic clock_gettime is available.
-AC_DEFUN([CURL_CHECK_GETHOSTBYADDR_R],
-[
- dnl check for number of arguments to gethostbyaddr_r. it might take
- dnl either 5, 7, or 8 arguments.
- AC_CHECK_FUNCS(gethostbyaddr_r,[
- AC_MSG_CHECKING(if gethostbyaddr_r takes 5 arguments)
- AC_TRY_COMPILE([
-#include <sys/types.h>
-#include <netdb.h>],[
-char * address;
-int length;
-int type;
-struct hostent h;
-struct hostent_data hdata;
-int rc;
-rc = gethostbyaddr_r(address, length, type, &h, &hdata);],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_GETHOSTBYADDR_R_5, 1, [gethostbyaddr_r() takes 5 args])
- ac_cv_gethostbyaddr_args=5],[
- AC_MSG_RESULT(no)
- AC_MSG_CHECKING(if gethostbyaddr_r with -D_REENTRANT takes 5 arguments)
- AC_TRY_COMPILE([
-#define _REENTRANT
-#include <sys/types.h>
-#include <netdb.h>],[
-char * address;
-int length;
-int type;
-struct hostent h;
-struct hostent_data hdata;
-int rc;
-rc = gethostbyaddr_r(address, length, type, &h, &hdata);],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_GETHOSTBYADDR_R_5, 1, [gethostbyaddr_r() takes 5 args])
- AC_DEFINE(NEED_REENTRANT, 1, [need REENTRANT])
- ac_cv_gethostbyaddr_args=5],[
- AC_MSG_RESULT(no)
- AC_MSG_CHECKING(if gethostbyaddr_r takes 7 arguments)
- AC_TRY_COMPILE([
-#include <sys/types.h>
-#include <netdb.h>],[
-char * address;
-int length;
-int type;
-struct hostent h;
-char buffer[8192];
-int h_errnop;
-struct hostent * hp;
-
-hp = gethostbyaddr_r(address, length, type, &h,
- buffer, 8192, &h_errnop);],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_GETHOSTBYADDR_R_7, 1, [gethostbyaddr_r() takes 7 args] )
- ac_cv_gethostbyaddr_args=7],[
- AC_MSG_RESULT(no)
- AC_MSG_CHECKING(if gethostbyaddr_r takes 8 arguments)
- AC_TRY_COMPILE([
+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$dontwant_rt" = "xno" ; then
+ AC_COMPILE_IFELSE([
+ AC_LANG_PROGRAM([[
+#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
-#include <netdb.h>],[
-char * address;
-int length;
-int type;
-struct hostent h;
-char buffer[8192];
-int h_errnop;
-struct hostent * hp;
-int rc;
-
-rc = gethostbyaddr_r(address, length, type, &h,
- buffer, 8192, &hp, &h_errnop);],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_GETHOSTBYADDR_R_8, 1, [gethostbyaddr_r() takes 8 args])
- ac_cv_gethostbyaddr_args=8],[
- AC_MSG_RESULT(no)
- have_missing_r_funcs="$have_missing_r_funcs gethostbyaddr_r"])])])])])
+#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])
+ 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.
])
-AC_DEFUN([CURL_CHECK_GETHOSTBYNAME_R],
-[
- dnl check for number of arguments to gethostbyname_r. it might take
- dnl either 3, 5, or 6 arguments.
- AC_CHECK_FUNCS(gethostbyname_r,[
- AC_MSG_CHECKING([if gethostbyname_r takes 3 arguments])
- AC_TRY_COMPILE([
-#include <string.h>
-#include <sys/types.h>
-#include <netdb.h>
-#undef NULL
-#define NULL (void *)0
-int
-gethostbyname_r(const char *, struct hostent *, struct hostent_data *);],[
-struct hostent_data data;
-gethostbyname_r(NULL, NULL, NULL);],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_GETHOSTBYNAME_R_3, 1, [gethostbyname_r() takes 3 args])
- ac_cv_gethostbyname_args=3],[
- AC_MSG_RESULT(no)
- AC_MSG_CHECKING([if gethostbyname_r with -D_REENTRANT takes 3 arguments])
- AC_TRY_COMPILE([
-#define _REENTRANT
-
-#include <string.h>
-#include <sys/types.h>
-#include <netdb.h>
-#undef NULL
-#define NULL (void *)0
+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.
-int
-gethostbyname_r(const char *,struct hostent *, struct hostent_data *);],[
-struct hostent_data data;
-gethostbyname_r(NULL, NULL, NULL);],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_GETHOSTBYNAME_R_3, 1, [gethostbyname_r() takes 3 args])
- AC_DEFINE(NEED_REENTRANT, 1, [needs REENTRANT])
- ac_cv_gethostbyname_args=3],[
- AC_MSG_RESULT(no)
- AC_MSG_CHECKING([if gethostbyname_r takes 5 arguments])
- AC_TRY_COMPILE([
+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 $curl_cv_save_LIBS"
+ fi
+ AC_LINK_IFELSE([
+ AC_LANG_PROGRAM([[
+#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
-#include <netdb.h>
-#undef NULL
-#define NULL (void *)0
-
-struct hostent *
-gethostbyname_r(const char *, struct hostent *, char *, int, int *);],[
-gethostbyname_r(NULL, NULL, NULL, 0, NULL);],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_GETHOSTBYNAME_R_5, 1, [gethostbyname_r() takes 5 args])
- ac_cv_gethostbyname_args=5],[
- AC_MSG_RESULT(no)
- AC_MSG_CHECKING([if gethostbyname_r takes 6 arguments])
- AC_TRY_COMPILE([
+#endif
+#ifdef HAVE_SYS_TIME_H
+#include <sys/time.h>
+#ifdef TIME_WITH_SYS_TIME
+#include <time.h>
+#endif
+#else
+#ifdef HAVE_TIME_H
+#include <time.h>
+#endif
+#endif
+ ]],[[
+ struct timespec ts;
+ (void)clock_gettime(CLOCK_MONOTONIC, &ts);
+ ]])
+ ],[
+ curl_cv_gclk_LIBS="$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])
+ 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])
+ curl_func_clock_gettime="yes"
+ ;;
+ esac
+ #
+ dnl only do runtime verification when not cross-compiling
+ if test "x$cross_compiling" != "xyes" &&
+ test "$curl_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>
-#include <netdb.h>
-#undef NULL
-#define NULL (void *)0
-
-int
-gethostbyname_r(const char *, struct hostent *, char *, size_t,
-struct hostent **, int *);],[
-gethostbyname_r(NULL, NULL, NULL, 0, NULL, NULL);],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_GETHOSTBYNAME_R_6, 1, [gethostbyname_r() takes 6 args])
- ac_cv_gethostbyname_args=6],[
- AC_MSG_RESULT(no)
- have_missing_r_funcs="$have_missing_r_funcs gethostbyname_r"],
- [ac_cv_gethostbyname_args=0])],
- [ac_cv_gethostbyname_args=0])],
- [ac_cv_gethostbyname_args=0])],
- [ac_cv_gethostbyname_args=0])])
-
-if test "$ac_cv_func_gethostbyname_r" = "yes"; then
- if test "$ac_cv_gethostbyname_args" = "0"; then
- dnl there's a gethostbyname_r() function, but we don't know how
- dnl many arguments it wants!
- AC_MSG_ERROR([couldn't figure out how to use gethostbyname_r()])
- fi
-fi
-])
-
-
-dnl **********************************************************************
-dnl CURL_DETECT_ICC ([ACTION-IF-YES])
-dnl
-dnl check if this is the Intel ICC compiler, and if so run the ACTION-IF-YES
-dnl sets the $ICC variable to "yes" or "no"
-dnl **********************************************************************
-AC_DEFUN([CURL_DETECT_ICC],
-[
- ICC="no"
- AC_MSG_CHECKING([for icc in use])
- if test "$GCC" = "yes"; then
- dnl check if this is icc acting as gcc in disguise
- AC_EGREP_CPP([^__INTEL_COMPILER], [__INTEL_COMPILER],
- dnl action if the text is found, this it has not been replaced by the
- dnl cpp
- ICC="no",
- dnl the text was not found, it was replaced by the cpp
- ICC="yes"
- AC_MSG_RESULT([yes])
- [$1]
- )
- fi
- if test "$ICC" = "no"; then
- # this is not ICC
+#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])
+ curl_func_clock_gettime="no"
+ LIBS="$curl_cv_save_LIBS"
+ ])
fi
+ #
+ case "$curl_func_clock_gettime" in
+ yes)
+ AC_DEFINE_UNQUOTED(HAVE_CLOCK_GETTIME_MONOTONIC, 1,
+ [Define to 1 if you have the clock_gettime function and monotonic timer.])
+ ;;
+ esac
+ #
+ fi
+ #
])
-dnl We create a function for detecting which compiler we use and then set as
-dnl pendantic compiler options as possible for that particular compiler. The
-dnl options are only used for debug-builds.
-AC_DEFUN([CURL_CC_DEBUG_OPTS],
-[
- if test "z$ICC" = "z"; then
- CURL_DETECT_ICC
+dnl CURL_CHECK_LIBS_CONNECT
+dnl -------------------------------------------------
+dnl Verify if network connect function is already available
+dnl using current libraries or if another one is required.
+
+AC_DEFUN([CURL_CHECK_LIBS_CONNECT], [
+ AC_REQUIRE([CURL_INCLUDES_WINSOCK2])dnl
+ AC_MSG_CHECKING([for connect in libraries])
+ tst_connect_save_LIBS="$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
-
- if test "$GCC" = "yes"; then
-
- dnl figure out gcc version!
- AC_MSG_CHECKING([gcc version])
- gccver=`$CC -dumpversion`
- num1=`echo $gccver | cut -d . -f1`
- num2=`echo $gccver | cut -d . -f2`
- gccnum=`(expr $num1 "*" 100 + $num2) 2>/dev/null`
- AC_MSG_RESULT($gccver)
-
- if test "$ICC" = "yes"; then
- dnl this is icc, not gcc.
-
- dnl ICC warnings we ignore:
- dnl * 269 warns on our "%Od" printf formatters for curl_off_t output:
- dnl "invalid format string conversion"
- dnl * 279 warns on static conditions in while expressions
- dnl * 981 warns on "operands are evaluated in unspecified order"
- dnl * 1418 "external definition with no prior declaration"
- dnl * 1419 warns on "external declaration in primary source file"
- dnl which we know and do on purpose.
-
- WARN="-wd279,269,981,1418,1419"
-
- if test "$gccnum" -gt "600"; then
- dnl icc 6.0 and older doesn't have the -Wall flag
- WARN="-Wall $WARN"
- fi
- else dnl $ICC = yes
- dnl this is a set of options we believe *ALL* gcc versions support:
- WARN="-W -Wall -Wwrite-strings -pedantic -Wpointer-arith -Wnested-externs -Winline -Wmissing-prototypes"
-
- dnl -Wcast-align is a bit too annoying on all gcc versions ;-)
-
- if test "$gccnum" -ge "207"; then
- dnl gcc 2.7 or later
- WARN="$WARN -Wmissing-declarations"
- fi
-
- if test "$gccnum" -gt "295"; then
- dnl only if the compiler is newer than 2.95 since we got lots of
- dnl "`_POSIX_C_SOURCE' is not defined" in system headers with
- dnl gcc 2.95.4 on FreeBSD 4.9!
- WARN="$WARN -Wundef -Wno-long-long -Wsign-compare -Wshadow -Wno-multichar"
- fi
-
- if test "$gccnum" -ge "296"; then
- dnl gcc 2.96 or later
- WARN="$WARN -Wfloat-equal"
- fi
-
- if test "$gccnum" -gt "296"; then
- dnl this option does not exist in 2.96
- WARN="$WARN -Wno-format-nonliteral"
- fi
-
- dnl -Wunreachable-code seems totally unreliable on my gcc 3.3.2 on
- dnl on i686-Linux as it gives us heaps with false positives.
- dnl Also, on gcc 4.0.X it is totally unbearable and complains all
- dnl over making it unusable for generic purposes. Let's not use it.
-
- if test "$gccnum" -ge "303"; then
- dnl gcc 3.3 and later
- WARN="$WARN -Wendif-labels -Wstrict-prototypes"
- fi
-
- if test "$gccnum" -ge "304"; then
- # try these on gcc 3.4
- WARN="$WARN -Wdeclaration-after-statement"
- fi
-
- for flag in $CPPFLAGS; do
- case "$flag" in
- -I*)
- dnl Include path, provide a -isystem option for the same dir
- dnl to prevent warnings in those dirs. The -isystem was not very
- dnl reliable on earlier gcc versions.
- add=`echo $flag | sed 's/^-I/-isystem /g'`
- WARN="$WARN $add"
- ;;
- esac
- done
-
- fi dnl $ICC = no
-
- CFLAGS="$CFLAGS $WARN"
-
- AC_MSG_NOTICE([Added this set of compiler options: $WARN])
-
- else dnl $GCC = yes
-
- AC_MSG_NOTICE([Added no extra compiler options])
-
- fi dnl $GCC = yes
-
- dnl strip off optimizer flags
- NEWFLAGS=""
- for flag in $CFLAGS; do
- case "$flag" in
- -O*)
- dnl echo "cut off $flag"
- ;;
- *)
- NEWFLAGS="$NEWFLAGS $flag"
- ;;
- esac
- done
- CFLAGS=$NEWFLAGS
-
-]) dnl end of AC_DEFUN()
-
-# This is only a temporary fix. This macro is here to replace the broken one
-# delivered by the automake project (including the 1.9.6 release). As soon as
-# they ship a working version we SHOULD remove this work-around.
-
-AC_DEFUN([AM_MISSING_HAS_RUN],
-[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
-test x"${MISSING+set}" = xset || MISSING="\${SHELL} \"$am_aux_dir/missing\""
-# Use eval to expand $SHELL
-if eval "$MISSING --run true"; then
- am_missing_run="$MISSING --run "
-else
- am_missing_run=
- AC_MSG_WARN([`missing' script is too old or missing])
-fi
+ done
+ LIBS="$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_VERIFY_RUNTIMELIBS
+dnl CURL_DEFINE_UNQUOTED (VARIABLE, [VALUE])
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 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, [$2], 1)
+_EOF
+])
- dnl this test is of course not sensible if we are cross-compiling!
- if test "x$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;
+dnl CURL_CONFIGURE_CURL_SOCKLEN_T
+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 "$curl_typeof_curl_socklen_t" = "unknown"; then
+ AC_MSG_ERROR([cannot find data type for curl_socklen_t.])
+ fi
+ #
+ AC_MSG_CHECKING([size of curl_socklen_t])
+ curl_sizeof_curl_socklen_t="unknown"
+ curl_pull_headers_socklen_t="unknown"
+ if test "$curl_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 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 $sel_retv SELECTCALLCONV
+#ifdef __ANDROID__
+__attribute__((overloadable))
+#endif
+ select($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 $prev_sh_opts in
+ *f*)
+ ;;
+ *)
+ set +f
+ ;;
+ esac
+ #
+ AC_DEFINE_UNQUOTED(HAVE_SELECT, 1,
+ [Define to 1 if you have the select function.])
+ curl_cv_func_select="yes"
+ fi
+ fi
+])
+
+
+dnl CURL_VERIFY_RUNTIMELIBS
+dnl -------------------------------------------------
+dnl Verify that the shared libs found so far can be used when running
+dnl programs, since otherwise the situation will create odd configure errors
+dnl that are misleading people.
+dnl
+dnl Make sure this test is run BEFORE the first test in the script that
+dnl runs anything, which at the time of this writing is the AC_CHECK_SIZEOF
+dnl macro. It must also run AFTER all lib-checking macros are complete.
+
+AC_DEFUN([CURL_VERIFY_RUNTIMELIBS], [
+
+ dnl this test is of course not sensible if we are cross-compiling!
+ if test "x$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_CACHE_CHECK([for compiler support of C99 variadic macro style],
[curl_cv_variadic_macros_c99], [
AC_COMPILE_IFELSE([
- AC_LANG_PROGRAM([
+ 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);
{ 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"
],[
AC_CACHE_CHECK([for compiler support of old gcc variadic macro style],
[curl_cv_variadic_macros_gcc], [
AC_COMPILE_IFELSE([
- AC_LANG_PROGRAM([
+ 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);
{ 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"
],[
])
-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 "$ac_cv_header_windows_h" = "no"; then
- ac_cv_native_windows="no"
- else
- AC_COMPILE_IFELSE([
- AC_LANG_PROGRAM([
- ],[
-#ifdef __MINGW32__
- int dummy=1;
-#else
- Not a native Windows build target.
-#endif
- ])
- ],[
- ac_cv_native_windows="yes"
- ],[
- ac_cv_native_windows="no"
- ])
- fi
- ])
- case "$ac_cv_native_windows" in
- yes)
- AC_DEFINE_UNQUOTED(NATIVE_WINDOWS, 1,
- [Define to 1 if you are building a native Windows target.])
- ;;
- esac
-])
-
-
dnl CURL_CHECK_CA_BUNDLE
dnl -------------------------------------------------
dnl Check if a default ca-bundle should be used
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-nss.crt FreeBSD
+dnl /etc/ssl/cert.pem OpenBSD, FreeBSD (symlink)
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], [File name to use as 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="$withval"
],
[ want_ca="unset" ])
AC_ARG_WITH(ca-path,
-AC_HELP_STRING([--with-ca-path=DIRECTORY], [Directory to use as CA path])
+AC_HELP_STRING([--with-ca-path=DIRECTORY],
+[Path to a directory containing CA certificates stored individually, with \
+their filenames in a hash format. This option can be used with OpenSSL, \
+GnuTLS and PolarSSL backends. Refer to OpenSSL c_rehash for details. \
+(example: /etc/certificates)])
AC_HELP_STRING([--without-ca-path], [Don't use a default CA path]),
[
want_capath="$withval"
],
[ 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
- AC_MSG_ERROR([Can't specify both --with-ca-bundle and --with-ca-path.])
+ 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"; then
- AC_MSG_ERROR([--with-ca-path only works with openSSL])
+ 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 neither of --with-ca-* given
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$want_ca" = "xunset"; then
- dnl the path we previously would have installed the curl ca bundle
- dnl to, and thus we now check for an already existing cert in that place
- dnl in case we find no other
- if test "x$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 \
- "$cac"; do
- if test -f "$a"; then
- ca="$a"
- break
+ if test "x$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
- done
+
+ 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-nss.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
- if test "x$want_capath" = "xunset" -a "x$ca" = "xno" -a \
- "x$OPENSSL_ENABLED" = "x1"; then
- for a in /etc/ssl/certs/; do
- if test -d "$a" && ls "$a"/[[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]].0 >/dev/null 2>/dev/null; then
+ fi
+
+ if test "x$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="$a"
- break
fi
- done
- fi
+ capath_warning=""
+ break
+ fi
+ done
+ fi
+
+ if test "x$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])
- elif test "x$capath" != "xno"; then
+ fi
+ if test "x$capath" != "xno"; then
CURL_CA_PATH="\"$capath\""
AC_DEFINE_UNQUOTED(CURL_CA_PATH, "$capath", [Location of default ca path])
AC_MSG_RESULT([$capath (capath)])
- else
+ fi
+ if test "x$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$GNUTLS_ENABLED" != "x1"; then
+ AC_MSG_ERROR([--with-ca-fallback only works with OpenSSL or GnuTLS])
+ fi
+ AC_DEFINE_UNQUOTED(CURL_CA_FALLBACK, 1, [define "1" to use built in CA store of SSL library ])
+ fi
+])
+
+dnl CURL_CHECK_WIN32_LARGEFILE
+dnl -------------------------------------------------
+dnl Check if curl's WIN32 large file will be used
+
+AC_DEFUN([CURL_CHECK_WIN32_LARGEFILE], [
+ AC_REQUIRE([CURL_CHECK_HEADER_WINDOWS])dnl
+ AC_MSG_CHECKING([whether build target supports WIN32 file API])
+ curl_win32_file_api="no"
+ if test "$curl_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$cpp_p" = "xno"; then
+ AC_MSG_WARN([failed to figure out cpp -P alternative])
+ # without -P
+ CPPPFLAG=""
+ else
+ # with -P
+ CPPPFLAG="-P"
+ fi
+ dnl restore CPPFLAGS
+ CPPFLAGS=$OLDCPPFLAGS
+ else
+ # without -P
+ CPPPFLAG=""
+ fi
+])
+
+
+dnl CURL_MAC_CFLAGS
+dnl
+dnl Check if -mmacosx-version-min, -miphoneos-version-min or any
+dnl similar are set manually, otherwise do. And set
+dnl -Werror=partial-availability.
+dnl
+
+AC_DEFUN([CURL_MAC_CFLAGS], [
+
+ tst_cflags="no"
+ case $host_os in
+ darwin*)
+ tst_cflags="yes"
+ ;;
+ esac
+
+ AC_MSG_CHECKING([for good-to-use Mac CFLAGS])
+ AC_MSG_RESULT([$tst_cflags]);
+
+ if test "$tst_cflags" = "yes"; then
+ AC_MSG_CHECKING([for *version-min in CFLAGS])
+ min=""
+ if test -z "$(echo $CFLAGS | grep m.*os.*-version-min)"; then
+ min="-mmacosx-version-min=10.8"
+ CFLAGS="$CFLAGS $min"
+ fi
+ if test -z "$min"; then
+ AC_MSG_RESULT([set by user])
+ else
+ AC_MSG_RESULT([$min set])
+ fi
+
+ old_CFLAGS=$CFLAGS
+ CFLAGS="$CFLAGS -Werror=partial-availability"
+ AC_MSG_CHECKING([whether $CC accepts -Werror=partial-availability])
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM()],
+ [AC_MSG_RESULT([yes])],
+ [AC_MSG_RESULT([no])
+ CFLAGS=$old_CFLAGS])
+ fi
+
])
+
+dnl CURL_SUPPORTS_BUILTIN_AVAILABLE
+dnl
+dnl Check to see if the compiler supports __builtin_available. This built-in
+dnl compiler function first appeared in Apple LLVM 9.0.0. It's so new that, at
+dnl the time this macro was written, the function was not yet documented. Its
+dnl purpose is to return true if the code is running under a certain OS version
+dnl or later.
+
+AC_DEFUN([CURL_SUPPORTS_BUILTIN_AVAILABLE], [
+ AC_MSG_CHECKING([to see if the compiler supports __builtin_available()])
+ AC_COMPILE_IFELSE([
+ AC_LANG_PROGRAM([[
+#include <stdlib.h>
+ ]],[[
+ if (__builtin_available(macOS 10.8, iOS 5.0, *)) {}
+ ]])
+ ],[
+ AC_MSG_RESULT([yes])
+ AC_DEFINE_UNQUOTED(HAVE_BUILTIN_AVAILABLE, 1,
+ [Define to 1 if you have the __builtin_available function.])
+ ],[
+ AC_MSG_RESULT([no])
+ ])
+])