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contrib/ldns/acx_nlnetlabs.m4

# acx_nlnetlabs.m4 - common macros for configure checks # acx_nlnetlabs.m4 - common macros for configure checks
# Copyright 2009, Wouter Wijngaards, NLnet Labs. # Copyright 2009, Wouter Wijngaards, NLnet Labs.
# BSD licensed. # BSD licensed.
# #
# Version 34 # Version 41
# 2021-07-30 fix for openssl use of lib64 directory.
# 2021-06-14 fix nonblocking test to use host instead of target for mingw test.
# 2021-05-17 fix nonblocking socket test from grep on mingw32 to mingw for
# 64bit compatibility.
# 2021-03-24 fix ACX_FUNC_DEPRECATED to use CPPFLAGS and CFLAGS.
# 2021-01-05 fix defun for aclocal
# 2021-01-05 autoconf 2.70 autoupdate and fixes, no AC_TRY_COMPILE
# 2020-08-24 Use EVP_sha256 instead of HMAC_Update (for openssl-3.0.0).
# 2016-03-21 Check -ldl -pthread for libcrypto for ldns and openssl 1.1.0. # 2016-03-21 Check -ldl -pthread for libcrypto for ldns and openssl 1.1.0.
# 2016-03-21 Use HMAC_Update instead of HMAC_CTX_Init (for openssl-1.1.0). # 2016-03-21 Use HMAC_Update instead of HMAC_CTX_Init (for openssl-1.1.0).
# 2016-01-04 -D_DEFAULT_SOURCE defined with -D_BSD_SOURCE for Linux glibc 2.20 # 2016-01-04 -D_DEFAULT_SOURCE defined with -D_BSD_SOURCE for Linux glibc 2.20
# 2015-12-11 FLTO check for new OSX, clang. # 2015-12-11 FLTO check for new OSX, clang.
# 2015-11-18 spelling check fix. # 2015-11-18 spelling check fix.
# 2015-11-05 ACX_SSL_CHECKS no longer adds -ldl needlessly. # 2015-11-05 ACX_SSL_CHECKS no longer adds -ldl needlessly.
# 2015-08-28 ACX_CHECK_PIE and ACX_CHECK_RELRO_NOW added. # 2015-08-28 ACX_CHECK_PIE and ACX_CHECK_RELRO_NOW added.
# 2015-03-17 AHX_CONFIG_REALLOCARRAY added # 2015-03-17 AHX_CONFIG_REALLOCARRAY added
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dnl Check the printf-format attribute (if any) dnl Check the printf-format attribute (if any)
dnl result in HAVE_ATTR_FORMAT. dnl result in HAVE_ATTR_FORMAT.
dnl Make sure you also include the AHX_CONFIG_FORMAT_ATTRIBUTE. dnl Make sure you also include the AHX_CONFIG_FORMAT_ATTRIBUTE.
AC_DEFUN([ACX_CHECK_FORMAT_ATTRIBUTE], AC_DEFUN([ACX_CHECK_FORMAT_ATTRIBUTE],
[AC_REQUIRE([AC_PROG_CC]) [AC_REQUIRE([AC_PROG_CC])
AC_MSG_CHECKING(whether the C compiler (${CC-cc}) accepts the "format" attribute) AC_MSG_CHECKING(whether the C compiler (${CC-cc}) accepts the "format" attribute)
AC_CACHE_VAL(ac_cv_c_format_attribute, AC_CACHE_VAL(ac_cv_c_format_attribute,
[ac_cv_c_format_attribute=no [ac_cv_c_format_attribute=no
AC_TRY_COMPILE( AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h>
[#include <stdio.h>
void f (char *format, ...) __attribute__ ((format (printf, 1, 2))); void f (char *format, ...) __attribute__ ((format (printf, 1, 2)));
void (*pf) (char *format, ...) __attribute__ ((format (printf, 1, 2))); void (*pf) (char *format, ...) __attribute__ ((format (printf, 1, 2)));
], [ ]], [[
f ("%s", "str"); f ("%s", "str");
], ]])],[ac_cv_c_format_attribute="yes"],[ac_cv_c_format_attribute="no"])
[ac_cv_c_format_attribute="yes"],
[ac_cv_c_format_attribute="no"])
]) ])
AC_MSG_RESULT($ac_cv_c_format_attribute) AC_MSG_RESULT($ac_cv_c_format_attribute)
if test $ac_cv_c_format_attribute = yes; then if test $ac_cv_c_format_attribute = yes; then
AC_DEFINE(HAVE_ATTR_FORMAT, 1, [Whether the C compiler accepts the "format" attribute]) AC_DEFINE(HAVE_ATTR_FORMAT, 1, [Whether the C compiler accepts the "format" attribute])
fi fi
])dnl End of ACX_CHECK_FORMAT_ATTRIBUTE ])dnl End of ACX_CHECK_FORMAT_ATTRIBUTE
Show All 12 Lines
dnl Check how to mark function arguments as unused. dnl Check how to mark function arguments as unused.
dnl result in HAVE_ATTR_UNUSED. dnl result in HAVE_ATTR_UNUSED.
dnl Make sure you include AHX_CONFIG_UNUSED_ATTRIBUTE also. dnl Make sure you include AHX_CONFIG_UNUSED_ATTRIBUTE also.
AC_DEFUN([ACX_CHECK_UNUSED_ATTRIBUTE], AC_DEFUN([ACX_CHECK_UNUSED_ATTRIBUTE],
[AC_REQUIRE([AC_PROG_CC]) [AC_REQUIRE([AC_PROG_CC])
AC_MSG_CHECKING(whether the C compiler (${CC-cc}) accepts the "unused" attribute) AC_MSG_CHECKING(whether the C compiler (${CC-cc}) accepts the "unused" attribute)
AC_CACHE_VAL(ac_cv_c_unused_attribute, AC_CACHE_VAL(ac_cv_c_unused_attribute,
[ac_cv_c_unused_attribute=no [ac_cv_c_unused_attribute=no
AC_TRY_COMPILE( AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h>
[#include <stdio.h>
void f (char *u __attribute__((unused))); void f (char *u __attribute__((unused)));
], [ ]], [[
f ("x"); f ("x");
], ]])],[ac_cv_c_unused_attribute="yes"],[ac_cv_c_unused_attribute="no"])
[ac_cv_c_unused_attribute="yes"],
[ac_cv_c_unused_attribute="no"])
]) ])
dnl Setup ATTR_UNUSED config.h parts. dnl Setup ATTR_UNUSED config.h parts.
dnl make sure you call ACX_CHECK_UNUSED_ATTRIBUTE also. dnl make sure you call ACX_CHECK_UNUSED_ATTRIBUTE also.
AC_DEFUN([AHX_CONFIG_UNUSED_ATTRIBUTE], AC_DEFUN([AHX_CONFIG_UNUSED_ATTRIBUTE],
[ [
#if defined(DOXYGEN) #if defined(DOXYGEN)
# define ATTR_UNUSED(x) x # define ATTR_UNUSED(x) x
Show All 40 Lines
]) ])
dnl Perform libtool check, portably, only for C dnl Perform libtool check, portably, only for C
AC_DEFUN([ACX_LIBTOOL_C_ONLY], [ AC_DEFUN([ACX_LIBTOOL_C_ONLY], [
dnl as a requirement so that is gets called before LIBTOOL dnl as a requirement so that is gets called before LIBTOOL
dnl because libtools 'AC_REQUIRE' names are right after this one, before dnl because libtools 'AC_REQUIRE' names are right after this one, before
dnl this function contents. dnl this function contents.
AC_REQUIRE([ACX_LIBTOOL_C_PRE]) AC_REQUIRE([ACX_LIBTOOL_C_PRE])
AC_PROG_LIBTOOL LT_INIT
]) ])
dnl Detect if u_char type is defined, otherwise define it. dnl Detect if u_char type is defined, otherwise define it.
AC_DEFUN([ACX_TYPE_U_CHAR], AC_DEFUN([ACX_TYPE_U_CHAR],
[AC_CHECK_TYPE([u_char], , [AC_CHECK_TYPE([u_char], ,
[AC_DEFINE([u_char], [unsigned char], [Define to 'unsigned char if not defined])], [ [AC_DEFINE([u_char], [unsigned char], [Define to 'unsigned char if not defined])], [
AC_INCLUDES_DEFAULT AC_INCLUDES_DEFAULT
#ifdef HAVE_WINSOCK2_H #ifdef HAVE_WINSOCK2_H
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done done
if test x_$found_ssl != x_yes; then if test x_$found_ssl != x_yes; then
AC_MSG_ERROR(Cannot find the SSL libraries in $withval) AC_MSG_ERROR(Cannot find the SSL libraries in $withval)
else else
AC_MSG_RESULT(found in $ssldir) AC_MSG_RESULT(found in $ssldir)
HAVE_SSL=yes HAVE_SSL=yes
dnl assume /usr is already in the lib and dynlib paths. dnl assume /usr is already in the lib and dynlib paths.
if test "$ssldir" != "/usr" -a "$ssldir" != ""; then if test "$ssldir" != "/usr" -a "$ssldir" != ""; then
if test ! -d "$ssldir/lib" -a -d "$ssldir/lib64"; then
LDFLAGS="$LDFLAGS -L$ssldir/lib64"
LIBSSL_LDFLAGS="$LIBSSL_LDFLAGS -L$ssldir/lib64"
ACX_RUNTIME_PATH_ADD([$ssldir/lib64])
else
LDFLAGS="$LDFLAGS -L$ssldir/lib" LDFLAGS="$LDFLAGS -L$ssldir/lib"
LIBSSL_LDFLAGS="$LIBSSL_LDFLAGS -L$ssldir/lib" LIBSSL_LDFLAGS="$LIBSSL_LDFLAGS -L$ssldir/lib"
ACX_RUNTIME_PATH_ADD([$ssldir/lib]) ACX_RUNTIME_PATH_ADD([$ssldir/lib])
fi fi
fi
AC_MSG_CHECKING([for HMAC_Update in -lcrypto]) AC_MSG_CHECKING([for EVP_sha256 in -lcrypto])
LIBS="$LIBS -lcrypto" LIBS="$LIBS -lcrypto"
LIBSSL_LIBS="$LIBSSL_LIBS -lcrypto" LIBSSL_LIBS="$LIBSSL_LIBS -lcrypto"
AC_TRY_LINK(, [ AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[
int HMAC_Update(void); int EVP_sha256(void);
(void)HMAC_Update(); (void)EVP_sha256();
], [ ]])],[
AC_MSG_RESULT(yes) AC_MSG_RESULT(yes)
AC_DEFINE([HAVE_HMAC_UPDATE], 1, AC_DEFINE([HAVE_EVP_SHA256], 1,
[If you have HMAC_Update]) [If you have EVP_sha256])
], [ ],[
AC_MSG_RESULT(no) AC_MSG_RESULT(no)
# check if -lwsock32 or -lgdi32 are needed. # check if -lwsock32 or -lgdi32 are needed.
BAKLIBS="$LIBS" BAKLIBS="$LIBS"
BAKSSLLIBS="$LIBSSL_LIBS" BAKSSLLIBS="$LIBSSL_LIBS"
LIBS="$LIBS -lgdi32" LIBS="$LIBS -lgdi32 -lws2_32"
LIBSSL_LIBS="$LIBSSL_LIBS -lgdi32" LIBSSL_LIBS="$LIBSSL_LIBS -lgdi32 -lws2_32"
AC_MSG_CHECKING([if -lcrypto needs -lgdi32]) AC_MSG_CHECKING([if -lcrypto needs -lgdi32])
AC_TRY_LINK([], [ AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[
int HMAC_Update(void); int EVP_sha256(void);
(void)HMAC_Update(); (void)EVP_sha256();
],[ ]])],[
AC_DEFINE([HAVE_HMAC_UPDATE], 1, AC_DEFINE([HAVE_EVP_SHA256], 1,
[If you have HMAC_Update]) [If you have EVP_sha256])
AC_MSG_RESULT(yes) AC_MSG_RESULT(yes)
],[ ],[
AC_MSG_RESULT(no) AC_MSG_RESULT(no)
LIBS="$BAKLIBS" LIBS="$BAKLIBS"
LIBSSL_LIBS="$BAKSSLLIBS" LIBSSL_LIBS="$BAKSSLLIBS"
LIBS="$LIBS -ldl" LIBS="$LIBS -ldl"
LIBSSL_LIBS="$LIBSSL_LIBS -ldl" LIBSSL_LIBS="$LIBSSL_LIBS -ldl"
AC_MSG_CHECKING([if -lcrypto needs -ldl]) AC_MSG_CHECKING([if -lcrypto needs -ldl])
AC_TRY_LINK([], [ AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[
int HMAC_Update(void); int EVP_sha256(void);
(void)HMAC_Update(); (void)EVP_sha256();
],[ ]])],[
AC_DEFINE([HAVE_HMAC_UPDATE], 1, AC_DEFINE([HAVE_EVP_SHA256], 1,
[If you have HMAC_Update]) [If you have EVP_sha256])
AC_MSG_RESULT(yes) AC_MSG_RESULT(yes)
],[ ],[
AC_MSG_RESULT(no) AC_MSG_RESULT(no)
LIBS="$BAKLIBS" LIBS="$BAKLIBS"
LIBSSL_LIBS="$BAKSSLLIBS" LIBSSL_LIBS="$BAKSSLLIBS"
LIBS="$LIBS -ldl -pthread" LIBS="$LIBS -ldl -pthread"
LIBSSL_LIBS="$LIBSSL_LIBS -ldl -pthread" LIBSSL_LIBS="$LIBSSL_LIBS -ldl -pthread"
AC_MSG_CHECKING([if -lcrypto needs -ldl -pthread]) AC_MSG_CHECKING([if -lcrypto needs -ldl -pthread])
AC_TRY_LINK([], [ AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[
int HMAC_Update(void); int EVP_sha256(void);
(void)HMAC_Update(); (void)EVP_sha256();
],[ ]])],[
AC_DEFINE([HAVE_HMAC_UPDATE], 1, AC_DEFINE([HAVE_EVP_SHA256], 1,
[If you have HMAC_Update]) [If you have EVP_sha256])
AC_MSG_RESULT(yes) AC_MSG_RESULT(yes)
],[ ],[
AC_MSG_RESULT(no) AC_MSG_RESULT(no)
AC_MSG_ERROR([OpenSSL found in $ssldir, but version 0.9.7 or higher is required]) AC_MSG_ERROR([OpenSSL found in $ssldir, but version 0.9.7 or higher is required])
]) ])
]) ])
]) ])
]) ])
fi fi
AC_SUBST(HAVE_SSL) AC_SUBST(HAVE_SSL)
AC_SUBST(RUNTIME_PATH) AC_SUBST(RUNTIME_PATH)
fi fi
AC_CHECK_HEADERS([openssl/ssl.h],,, [AC_INCLUDES_DEFAULT]) AC_CHECK_HEADERS([openssl/ssl.h],,, [AC_INCLUDES_DEFAULT])
AC_CHECK_HEADERS([openssl/err.h],,, [AC_INCLUDES_DEFAULT]) AC_CHECK_HEADERS([openssl/err.h],,, [AC_INCLUDES_DEFAULT])
AC_CHECK_HEADERS([openssl/rand.h],,, [AC_INCLUDES_DEFAULT]) AC_CHECK_HEADERS([openssl/rand.h],,, [AC_INCLUDES_DEFAULT])
])dnl End of ACX_SSL_CHECKS ])dnl End of ACX_SSL_CHECKS
dnl Check for SSL, where SSL is mandatory dnl Check for SSL, where SSL is mandatory
dnl Adds --with-ssl option, searches for openssl and defines HAVE_SSL if found dnl Adds --with-ssl option, searches for openssl and defines HAVE_SSL if found
dnl Setup of CPPFLAGS, CFLAGS. Adds -lcrypto to LIBS. dnl Setup of CPPFLAGS, CFLAGS. Adds -lcrypto to LIBS.
dnl Checks main header files of SSL. dnl Checks main header files of SSL.
dnl dnl
AC_DEFUN([ACX_WITH_SSL], AC_DEFUN([ACX_WITH_SSL],
[ [
AC_ARG_WITH(ssl, AC_HELP_STRING([--with-ssl=pathname], AC_ARG_WITH(ssl, AS_HELP_STRING([--with-ssl=pathname],[enable SSL (will check /usr/local/ssl
[enable SSL (will check /usr/local/ssl
/usr/lib/ssl /usr/ssl /usr/pkg /usr/local /opt/local /usr/sfw /usr)]),[ /usr/lib/ssl /usr/ssl /usr/pkg /usr/local /opt/local /usr/sfw /usr)]),[
],[ ],[
withval="yes" withval="yes"
]) ])
if test x_$withval = x_no; then if test x_$withval = x_no; then
AC_MSG_ERROR([Need SSL library to do digital signature cryptography]) AC_MSG_ERROR([Need SSL library to do digital signature cryptography])
fi fi
ACX_SSL_CHECKS($withval) ACX_SSL_CHECKS($withval)
])dnl End of ACX_WITH_SSL ])dnl End of ACX_WITH_SSL
dnl Check for SSL, where ssl is optional (--without-ssl is allowed) dnl Check for SSL, where ssl is optional (--without-ssl is allowed)
dnl Adds --with-ssl option, searches for openssl and defines HAVE_SSL if found dnl Adds --with-ssl option, searches for openssl and defines HAVE_SSL if found
dnl Setup of CPPFLAGS, CFLAGS. Adds -lcrypto to LIBS. dnl Setup of CPPFLAGS, CFLAGS. Adds -lcrypto to LIBS.
dnl Checks main header files of SSL. dnl Checks main header files of SSL.
dnl dnl
AC_DEFUN([ACX_WITH_SSL_OPTIONAL], AC_DEFUN([ACX_WITH_SSL_OPTIONAL],
[ [
AC_ARG_WITH(ssl, AC_HELP_STRING([--with-ssl=pathname], AC_ARG_WITH(ssl, AS_HELP_STRING([--with-ssl=pathname],[enable SSL (will check /usr/local/ssl
[enable SSL (will check /usr/local/ssl
/usr/lib/ssl /usr/ssl /usr/pkg /usr/local /opt/local /usr/sfw /usr)]),[ /usr/lib/ssl /usr/ssl /usr/pkg /usr/local /opt/local /usr/sfw /usr)]),[
],[ ],[
withval="yes" withval="yes"
]) ])
ACX_SSL_CHECKS($withval) ACX_SSL_CHECKS($withval)
])dnl End of ACX_WITH_SSL_OPTIONAL ])dnl End of ACX_WITH_SSL_OPTIONAL
dnl Setup to use -lssl dnl Setup to use -lssl
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} }
]])], ]])],
dnl this case on linux, solaris, bsd dnl this case on linux, solaris, bsd
[ac_cv_func_getaddrinfo="yes" [ac_cv_func_getaddrinfo="yes"
dnl see if on windows dnl see if on windows
if test "$ac_cv_header_windows_h" = "yes"; then if test "$ac_cv_header_windows_h" = "yes"; then
AC_DEFINE(USE_WINSOCK, 1, [Whether the windows socket API is used]) AC_DEFINE(USE_WINSOCK, 1, [Whether the windows socket API is used])
USE_WINSOCK="1" USE_WINSOCK="1"
if echo $LIBS | grep 'lws2_32' >/dev/null; then
:
else
LIBS="$LIBS -lws2_32" LIBS="$LIBS -lws2_32"
fi fi
fi
], ],
dnl no quick getaddrinfo, try mingw32 and winsock2 library. dnl no quick getaddrinfo, try mingw32 and winsock2 library.
ORIGLIBS="$LIBS" ORIGLIBS="$LIBS"
LIBS="$LIBS -lws2_32" LIBS="$LIBS -lws2_32"
AC_LINK_IFELSE( AC_LINK_IFELSE(
[AC_LANG_PROGRAM( [AC_LANG_PROGRAM(
[ [
#ifdef HAVE_WS2TCPIP_H #ifdef HAVE_WS2TCPIP_H
Show All 32 Lines
[ [
AC_REQUIRE([AC_PROG_CC]) AC_REQUIRE([AC_PROG_CC])
AC_MSG_CHECKING(if $1 is deprecated) AC_MSG_CHECKING(if $1 is deprecated)
cache=`echo $1 | sed 'y%.=/+-%___p_%'` cache=`echo $1 | sed 'y%.=/+-%___p_%'`
AC_CACHE_VAL(cv_cc_deprecated_$cache, AC_CACHE_VAL(cv_cc_deprecated_$cache,
[ [
echo '$3' >conftest.c echo '$3' >conftest.c
echo 'void f(){ $2 }' >>conftest.c echo 'void f(){ $2 }' >>conftest.c
if test -z "`$CC -c conftest.c 2>&1 | grep deprecated`"; then if test -z "`$CC $CPPFLAGS $CFLAGS -c conftest.c 2>&1 | grep -e deprecated -e unavailable`"; then
eval "cv_cc_deprecated_$cache=no" eval "cv_cc_deprecated_$cache=no"
else else
eval "cv_cc_deprecated_$cache=yes" eval "cv_cc_deprecated_$cache=yes"
fi fi
rm -f conftest conftest.o conftest.c rm -f conftest conftest.o conftest.c
]) ])
if eval "test \"`echo '$cv_cc_deprecated_'$cache`\" = yes"; then if eval "test \"`echo '$cv_cc_deprecated_'$cache`\" = yes"; then
AC_MSG_RESULT(yes) AC_MSG_RESULT(yes)
Show All 9 Lines
dnl check if select and nonblocking sockets actually work. dnl check if select and nonblocking sockets actually work.
dnl Needs fork(2) and select(2). dnl Needs fork(2) and select(2).
dnl defines NONBLOCKING_IS_BROKEN, and if that is true multiple reads from dnl defines NONBLOCKING_IS_BROKEN, and if that is true multiple reads from
dnl a nonblocking socket do not work, a new call to select is necessary. dnl a nonblocking socket do not work, a new call to select is necessary.
AC_DEFUN([ACX_CHECK_NONBLOCKING_BROKEN], AC_DEFUN([ACX_CHECK_NONBLOCKING_BROKEN],
[ [
AC_MSG_CHECKING([if nonblocking sockets work]) AC_MSG_CHECKING([if nonblocking sockets work])
if echo $target | grep mingw32 >/dev/null; then if echo $host | grep mingw >/dev/null; then
AC_MSG_RESULT([no (windows)]) AC_MSG_RESULT([no (windows)])
AC_DEFINE([NONBLOCKING_IS_BROKEN], 1, [Define if the network stack does not fully support nonblocking io (causes lower performance).]) AC_DEFINE([NONBLOCKING_IS_BROKEN], 1, [Define if the network stack does not fully support nonblocking io (causes lower performance).])
else else
AC_RUN_IFELSE([ AC_RUN_IFELSE([
AC_LANG_SOURCE([[ AC_LANG_SOURCE([[
#include <stdio.h> #include <stdio.h>
#include <string.h> #include <string.h>
#include <stdlib.h> #include <stdlib.h>
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fi fi
])dnl End of ACX_CHECK_NONBLOCKING_BROKEN ])dnl End of ACX_CHECK_NONBLOCKING_BROKEN
dnl Check if mkdir has one or two arguments. dnl Check if mkdir has one or two arguments.
dnl defines MKDIR_HAS_ONE_ARG dnl defines MKDIR_HAS_ONE_ARG
AC_DEFUN([ACX_MKDIR_ONE_ARG], AC_DEFUN([ACX_MKDIR_ONE_ARG],
[ [
AC_MSG_CHECKING([whether mkdir has one arg]) AC_MSG_CHECKING([whether mkdir has one arg])
AC_TRY_COMPILE([ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <stdio.h> #include <stdio.h>
#include <unistd.h> #include <unistd.h>
#ifdef HAVE_WINSOCK2_H #ifdef HAVE_WINSOCK2_H
#include <winsock2.h> #include <winsock2.h>
#endif #endif
#ifdef HAVE_SYS_STAT_H #ifdef HAVE_SYS_STAT_H
#include <sys/stat.h> #include <sys/stat.h>
#endif #endif
], [ ]], [[
(void)mkdir("directory"); (void)mkdir("directory");
], ]])],[AC_MSG_RESULT(yes)
AC_MSG_RESULT(yes)
AC_DEFINE(MKDIR_HAS_ONE_ARG, 1, [Define if mkdir has one argument.]) AC_DEFINE(MKDIR_HAS_ONE_ARG, 1, [Define if mkdir has one argument.])
, ],[AC_MSG_RESULT(no)
AC_MSG_RESULT(no) ])
)
])dnl end of ACX_MKDIR_ONE_ARG ])dnl end of ACX_MKDIR_ONE_ARG
dnl Check for ioctlsocket function. works on mingw32 too. dnl Check for ioctlsocket function. works on mingw32 too.
AC_DEFUN([ACX_FUNC_IOCTLSOCKET], AC_DEFUN([ACX_FUNC_IOCTLSOCKET],
[ [
# check ioctlsocket # check ioctlsocket
AC_MSG_CHECKING(for ioctlsocket) AC_MSG_CHECKING(for ioctlsocket)
AC_LINK_IFELSE([AC_LANG_PROGRAM([ AC_LINK_IFELSE([AC_LANG_PROGRAM([
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