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81e43a6335
openldap/build/openldap.m4
Howard Chu 81e43a6335 ITS#9348 cleanup strerr/sys_errlist detection
2020-09-24 23:34:36 +00:00

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dnl OpenLDAP Autoconf Macros
dnl $OpenLDAP$
dnl This work is part of OpenLDAP Software <http://www.openldap.org/>.
dnl
dnl Copyright 1998-2020 The OpenLDAP Foundation.
dnl All rights reserved.
dnl
dnl Redistribution and use in source and binary forms, with or without
dnl modification, are permitted only as authorized by the OpenLDAP
dnl Public License.
dnl
dnl A copy of this license is available in the file LICENSE in the
dnl top-level directory of the distribution or, alternatively, at
dnl <http://www.OpenLDAP.org/license.html>.
dnl
dnl --------------------------------------------------------------------
dnl Restricted form of AC_ARG_ENABLE that limits user options
dnl
dnl $1 = option name
dnl $2 = help-string
dnl $3 = default value (auto). "--" means do not set it by default
dnl $4 = allowed values (auto yes no)
dnl $5 = overridden default
AC_DEFUN([OL_ARG_ENABLE], [# OpenLDAP --enable-$1
pushdef([ol_DefVal],ifelse($3,,auto,$3))
AC_ARG_ENABLE($1,ifelse($4,,[$2],[$2] translit([$4],[ ],[|])) ifelse($3,--,,@<:@ol_DefVal@:>@),[
ol_arg=invalid
for ol_val in ifelse($4,,[auto yes no],[$4]) ; do
if test "$enableval" = "$ol_val" ; then
ol_arg="$ol_val"
fi
done
if test "$ol_arg" = "invalid" ; then
AC_MSG_ERROR(bad value $enableval for --enable-$1)
fi
ol_enable_$1="$ol_arg"
]ifelse($3,--,,[,
[ ol_enable_$1=ifelse($5,,ol_DefVal,[${]$5[:-]ol_DefVal[}])]]))dnl
dnl AC_MSG_RESULT([OpenLDAP -enable-$1 $ol_enable_$1])
popdef([ol_DefVal])
# end --enable-$1
])dnl
dnl
dnl --------------------------------------------------------------------
dnl Restricted form of AC_ARG_WITH that limits user options
dnl
dnl $1 = option name
dnl $2 = help-string
dnl $3 = default value (no)
dnl $4 = allowed values (yes or no)
AC_DEFUN([OL_ARG_WITH], [# OpenLDAP --with-$1
AC_ARG_WITH($1,[$2 @<:@]ifelse($3,,yes,$3)@:>@,[
ol_arg=invalid
for ol_val in ifelse($4,,[yes no],[$4]) ; do
if test "$withval" = "$ol_val" ; then
ol_arg="$ol_val"
fi
done
if test "$ol_arg" = "invalid" ; then
AC_MSG_ERROR(bad value $withval for --with-$1)
fi
ol_with_$1="$ol_arg"
],
[ ol_with_$1=ifelse($3,,"no","$3")])dnl
dnl AC_MSG_RESULT([OpenLDAP --with-$1 $ol_with_$1])
# end --with-$1
])dnl
dnl ====================================================================
dnl Check for dependency generation flag
AC_DEFUN([OL_MKDEPEND], [# test for make depend flag
OL_MKDEP=
OL_MKDEP_FLAGS=
if test -z "${MKDEP}"; then
OL_MKDEP="${CC-cc}"
if test -z "${MKDEP_FLAGS}"; then
AC_CACHE_CHECK([for ${OL_MKDEP} depend flag], ol_cv_mkdep, [
ol_cv_mkdep=no
for flag in "-M" "-xM"; do
cat > conftest.c <<EOF
noCode;
EOF
if AC_TRY_COMMAND($OL_MKDEP $flag conftest.c) \
| grep '^conftest\.'"${ac_objext}" >/dev/null 2>&1
then
if test ! -f conftest."${ac_object}" ; then
ol_cv_mkdep=$flag
OL_MKDEP_FLAGS="$flag"
break
fi
fi
done
rm -f conftest*
])
test "$ol_cv_mkdep" = no && OL_MKDEP=":"
else
cc_cv_mkdep=yes
OL_MKDEP_FLAGS="${MKDEP_FLAGS}"
fi
else
cc_cv_mkdep=yes
OL_MKDEP="${MKDEP}"
OL_MKDEP_FLAGS="${MKDEP_FLAGS}"
fi
AC_SUBST(OL_MKDEP)
AC_SUBST(OL_MKDEP_FLAGS)
])
dnl
dnl ====================================================================
dnl Check if system uses EBCDIC instead of ASCII
AC_DEFUN([OL_CPP_EBCDIC], [# test for EBCDIC
AC_CACHE_CHECK([for EBCDIC],ol_cv_cpp_ebcdic,[
AC_PREPROC_IFELSE([AC_LANG_SOURCE([[
#if !('M' == 0xd4)
#include <__ASCII__/generate_error.h>
#endif
]])],[ol_cv_cpp_ebcdic=yes],[ol_cv_cpp_ebcdic=no])])
if test $ol_cv_cpp_ebcdic = yes ; then
AC_DEFINE(HAVE_EBCDIC,1, [define if system uses EBCDIC instead of ASCII])
fi
])
dnl
dnl --------------------------------------------------------------------
dnl Check for MSVC
AC_DEFUN([OL_MSVC],
[AC_REQUIRE_CPP()dnl
AC_CACHE_CHECK([whether we are using MS Visual C++], ol_cv_msvc,
[AC_PREPROC_IFELSE([AC_LANG_SOURCE([[
#ifndef _MSC_VER
#include <__FOO__/generate_error.h>
#endif
]])],[ol_cv_msvc=yes],[ol_cv_msvc=no])])])
dnl --------------------------------------------------------------------
dnl OpenLDAP version of STDC header check w/ EBCDIC support
AC_DEFUN([OL_HEADER_STDC],
[AC_REQUIRE_CPP()dnl
AC_REQUIRE([OL_CPP_EBCDIC])dnl
AC_CACHE_CHECK([for ANSI C header files], ol_cv_header_stdc,
[AC_PREPROC_IFELSE([AC_LANG_SOURCE([[#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <float.h>]])],[ol_cv_header_stdc=yes],[ol_cv_header_stdc=no])
if test $ol_cv_header_stdc = yes; then
# SunOS 4.x string.h does not declare mem*, contrary to ANSI.
AC_EGREP_HEADER(memchr, string.h, , ol_cv_header_stdc=no)
fi
if test $ol_cv_header_stdc = yes; then
# ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
AC_EGREP_HEADER(free, stdlib.h, , ol_cv_header_stdc=no)
fi
if test $ol_cv_header_stdc = yes; then
# /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <ctype.h>
#ifndef HAVE_EBCDIC
# define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
#else
# define ISLOWER(c) (('a' <= (c) && (c) <= 'i') \
|| ('j' <= (c) && (c) <= 'r') \
|| ('s' <= (c) && (c) <= 'z'))
# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c))
#endif
#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
int main () { int i; for (i = 0; i < 256; i++)
if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2);
exit (0); }
]])],[],[ol_cv_header_stdc=no],[:])
fi])
if test $ol_cv_header_stdc = yes; then
AC_DEFINE(STDC_HEADERS)
fi
ac_cv_header_stdc=disable
])
dnl
dnl ====================================================================
dnl DNS resolver macros
AC_DEFUN([OL_RESOLVER_TRY],
[if test $ol_cv_lib_resolver = no ; then
AC_CACHE_CHECK([for resolver link (]ifelse($2,,default,$2)[)],[$1],
[
ol_RESOLVER_LIB=ifelse($2,,,$2)
ol_LIBS=$LIBS
LIBS="$ol_RESOLVER_LIB $LIBS"
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#include <netinet/in.h>
#ifdef HAVE_ARPA_NAMESER_H
# include <arpa/nameser.h>
#endif
#ifdef HAVE_RESOLV_H
# include <resolv.h>
#endif
]], [[{
int len, status;
char *request = NULL;
unsigned char reply[64*1024];
unsigned char host[64*1024];
unsigned char *p;
#ifdef NS_HFIXEDSZ
/* Bind 8/9 interface */
len = res_query(request, ns_c_in, ns_t_srv, reply, sizeof(reply));
#else
/* Bind 4 interface */
# ifndef T_SRV
# define T_SRV 33
# endif
len = res_query(request, C_IN, T_SRV, reply, sizeof(reply));
#endif
p = reply;
#ifdef NS_HFIXEDSZ
/* Bind 8/9 interface */
p += NS_HFIXEDSZ;
#elif defined(HFIXEDSZ)
/* Bind 4 interface w/ HFIXEDSZ */
p += HFIXEDSZ;
#else
/* Bind 4 interface w/o HFIXEDSZ */
p += sizeof(HEADER);
#endif
status = dn_expand( reply, reply+len, p, host, sizeof(host));
}]])],[$1=yes],[$1=no])
LIBS="$ol_LIBS"
])
if test $$1 = yes ; then
ol_cv_lib_resolver=ifelse($2,,yes,$2)
fi
fi
])
dnl --------------------------------------------------------------------
dnl Try to locate appropriate library
AC_DEFUN([OL_RESOLVER_LINK],
[ol_cv_lib_resolver=no
OL_RESOLVER_TRY(ol_cv_resolver_none)
OL_RESOLVER_TRY(ol_cv_resolver_resolv,[-lresolv])
OL_RESOLVER_TRY(ol_cv_resolver_bind,[-lbind])
])
dnl
dnl ====================================================================
dnl Check POSIX Thread version
dnl
dnl defines ol_cv_pthread_version to 4, 5, 6, 7, 8, 10, depending on the
dnl version of the POSIX.4a Draft that is implemented.
dnl 10 == POSIX.4a Final == POSIX.1c-1996 for our purposes.
dnl Existence of pthread.h should be tested separately.
dnl
dnl tests:
dnl pthread_detach() was dropped in Draft 8, it is present
dnl in every other version
dnl PTHREAD_CREATE_UNDETACHED is only in Draft 7, it was called
dnl PTHREAD_CREATE_JOINABLE after that
dnl pthread_attr_create was renamed to pthread_attr_init in Draft 6.
dnl Draft 6-10 has _init, Draft 4-5 has _create.
dnl pthread_attr_default was dropped in Draft 6, only 4 and 5 have it
dnl PTHREAD_MUTEX_INITIALIZER was introduced in Draft 5. It's not
dnl interesting to us because we don't try to statically
dnl initialize mutexes. 5-10 has it.
dnl
dnl Draft 9 and 10 are equivalent for our purposes.
dnl
AC_DEFUN([OL_POSIX_THREAD_VERSION],
[AC_CACHE_CHECK([POSIX thread version],[ol_cv_pthread_version],[
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
# include <pthread.h>
]], [[
int i = PTHREAD_CREATE_JOINABLE;
]])],[
AC_EGREP_HEADER(pthread_detach,pthread.h,
ol_cv_pthread_version=10, ol_cv_pthread_version=8)],[
AC_EGREP_CPP(draft7,[
# include <pthread.h>
# ifdef PTHREAD_CREATE_UNDETACHED
draft7
# endif
], ol_cv_pthread_version=7, [
AC_EGREP_HEADER(pthread_attr_init,pthread.h,
ol_cv_pthread_version=6, [
AC_EGREP_CPP(draft5,[
# include <pthread.h>
#ifdef PTHREAD_MUTEX_INITIALIZER
draft5
#endif
], ol_cv_pthread_version=5, ol_cv_pthread_version=4) ]) ]) ])
])
])dnl
dnl
dnl --------------------------------------------------------------------
AC_DEFUN([OL_PTHREAD_TEST_INCLUDES], [[
/* pthread test headers */
#include <pthread.h>
#if HAVE_PTHREADS < 7
#include <errno.h>
#endif
#ifndef NULL
#define NULL (void*)0
#endif
static void *task(p)
void *p;
{
return (void *) (p == NULL);
}
]])
AC_DEFUN([OL_PTHREAD_TEST_FUNCTION],[[
/* pthread test function */
#ifndef PTHREAD_CREATE_DETACHED
#define PTHREAD_CREATE_DETACHED 1
#endif
pthread_t t;
int status;
int detach = PTHREAD_CREATE_DETACHED;
#if HAVE_PTHREADS > 4
/* Final pthreads */
pthread_attr_t attr;
status = pthread_attr_init(&attr);
if( status ) return status;
#if HAVE_PTHREADS < 7
status = pthread_attr_setdetachstate(&attr, &detach);
if( status < 0 ) status = errno;
#else
status = pthread_attr_setdetachstate(&attr, detach);
#endif
if( status ) return status;
status = pthread_create( &t, &attr, task, NULL );
#if HAVE_PTHREADS < 7
if( status < 0 ) status = errno;
#endif
if( status ) return status;
#else
/* Draft 4 pthreads */
status = pthread_create( &t, pthread_attr_default, task, NULL );
if( status ) return errno;
/* give thread a chance to complete */
/* it should remain joinable and hence detachable */
sleep( 1 );
status = pthread_detach( &t );
if( status ) return errno;
#endif
#ifdef HAVE_LINUX_THREADS
pthread_kill_other_threads_np();
#endif
return 0;
]])
AC_DEFUN([OL_PTHREAD_TEST_PROGRAM],
[AC_LANG_SOURCE([OL_PTHREAD_TEST_INCLUDES
int main(argc, argv)
int argc;
char **argv;
{
OL_PTHREAD_TEST_FUNCTION
}
])])
dnl --------------------------------------------------------------------
AC_DEFUN([OL_PTHREAD_TRY], [# Pthread try link: $1 ($2)
if test "$ol_link_threads" = no ; then
# try $1
AC_CACHE_CHECK([for pthread link with $1], [$2], [
# save the flags
ol_LIBS="$LIBS"
LIBS="$1 $LIBS"
AC_RUN_IFELSE([OL_PTHREAD_TEST_PROGRAM],
[$2=yes],
[$2=no],
[AC_LINK_IFELSE([AC_LANG_PROGRAM(OL_PTHREAD_TEST_INCLUDES,
OL_PTHREAD_TEST_FUNCTION)],
[$2=yes], [$2=no])])
# restore the LIBS
LIBS="$ol_LIBS"
])
if test $$2 = yes ; then
ol_link_pthreads="$1"
ol_link_threads=posix
fi
fi
])
dnl
dnl ====================================================================
dnl Check GNU Pth pthread Header
dnl
dnl defines ol_cv_header linux_threads to 'yes' or 'no'
dnl 'no' implies pthreads.h is not LinuxThreads or pthreads.h
dnl doesn't exist. Existence of pthread.h should separately
dnl checked.
dnl
AC_DEFUN([OL_HEADER_GNU_PTH_PTHREAD_H], [
AC_CACHE_CHECK([for GNU Pth pthread.h],
[ol_cv_header_gnu_pth_pthread_h],
[AC_EGREP_CPP(__gnu_pth__,
[#include <pthread.h>
#ifdef _POSIX_THREAD_IS_GNU_PTH
__gnu_pth__;
#endif
],
[ol_cv_header_gnu_pth_pthread_h=yes],
[ol_cv_header_gnu_pth_pthread_h=no])
])
])dnl
dnl ====================================================================
dnl Check for NT Threads
AC_DEFUN([OL_NT_THREADS], [
AC_CHECK_FUNC(_beginthread)
if test $ac_cv_func__beginthread = yes ; then
AC_DEFINE(HAVE_NT_THREADS,1,[if you have NT Threads])
ol_cv_nt_threads=yes
fi
])
dnl ====================================================================
dnl Check LinuxThreads Header
dnl
dnl defines ol_cv_header linux_threads to 'yes' or 'no'
dnl 'no' implies pthreads.h is not LinuxThreads or pthreads.h
dnl doesn't exist. Existence of pthread.h should separately
dnl checked.
dnl
AC_DEFUN([OL_HEADER_LINUX_THREADS], [
AC_CACHE_CHECK([for LinuxThreads pthread.h],
[ol_cv_header_linux_threads],
[AC_EGREP_CPP(pthread_kill_other_threads_np,
[#include <pthread.h>],
[ol_cv_header_linux_threads=yes],
[ol_cv_header_linux_threads=no])
])
if test $ol_cv_header_linux_threads = yes; then
AC_DEFINE(HAVE_LINUX_THREADS,1,[if you have LinuxThreads])
fi
])dnl
dnl --------------------------------------------------------------------
dnl Check LinuxThreads Implementation
dnl
dnl defines ol_cv_sys_linux_threads to 'yes' or 'no'
dnl 'no' implies pthreads implementation is not LinuxThreads.
dnl
AC_DEFUN([OL_SYS_LINUX_THREADS], [
AC_CHECK_FUNCS(pthread_kill_other_threads_np)
AC_CACHE_CHECK([for LinuxThreads implementation],
[ol_cv_sys_linux_threads],
[ol_cv_sys_linux_threads=$ac_cv_func_pthread_kill_other_threads_np])
])dnl
dnl
dnl --------------------------------------------------------------------
dnl Check LinuxThreads consistency
AC_DEFUN([OL_LINUX_THREADS], [
AC_REQUIRE([OL_HEADER_LINUX_THREADS])
AC_REQUIRE([OL_SYS_LINUX_THREADS])
AC_CACHE_CHECK([for LinuxThreads consistency], [ol_cv_linux_threads], [
if test $ol_cv_header_linux_threads = yes &&
test $ol_cv_sys_linux_threads = yes; then
ol_cv_linux_threads=yes
elif test $ol_cv_header_linux_threads = no &&
test $ol_cv_sys_linux_threads = no; then
ol_cv_linux_threads=no
else
ol_cv_linux_threads=error
fi
])
])dnl
dnl
dnl ====================================================================
dnl Check for POSIX Regex
AC_DEFUN([OL_POSIX_REGEX], [
AC_CACHE_CHECK([for compatible POSIX regex],ol_cv_c_posix_regex,[
AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <sys/types.h>
#include <regex.h>
static char *pattern, *string;
main()
{
int rc;
regex_t re;
pattern = "^A";
if(regcomp(&re, pattern, 0)) {
return -1;
}
string = "ALL MATCH";
rc = regexec(&re, string, 0, (void*)0, 0);
regfree(&re);
return rc;
}]])],[ol_cv_c_posix_regex=yes],[ol_cv_c_posix_regex=no],[ol_cv_c_posix_regex=cross])])
])
dnl
dnl ====================================================================
dnl Check if toupper() requires islower() to be called first
AC_DEFUN([OL_C_UPPER_LOWER],
[AC_CACHE_CHECK([if toupper() requires islower()],ol_cv_c_upper_lower,[
AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <ctype.h>
main()
{
if ('C' == toupper('C'))
exit(0);
else
exit(1);
}]])],[ol_cv_c_upper_lower=no],[ol_cv_c_upper_lower=yes],[ol_cv_c_upper_lower=safe])])
if test $ol_cv_c_upper_lower != no ; then
AC_DEFINE(C_UPPER_LOWER,1, [define if toupper() requires islower()])
fi
])
dnl
dnl ====================================================================
dnl Error string checks
dnl
dnl Check for declaration of sys_errlist in one of stdio.h and errno.h.
dnl Declaration of sys_errlist on BSD4.4 interferes with our declaration.
dnl Reported by Keith Bostic.
AC_DEFUN([OL_SYS_ERRLIST],
[AC_CACHE_CHECK([existence of sys_errlist],ol_cv_have_sys_errlist,[
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <errno.h>]], [[char *c = (char *) *sys_errlist]])],[ol_cv_have_sys_errlist=yes],[ol_cv_have_sys_errlist=no])])
if test $ol_cv_have_sys_errlist = yes ; then
AC_DEFINE(HAVE_SYS_ERRLIST,1,
[define if you actually have sys_errlist in your libs])
AC_CACHE_CHECK([declaration of sys_errlist],ol_cv_dcl_sys_errlist,[
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <stdio.h>
#include <sys/types.h>
#include <errno.h>
#ifdef _WIN32
#include <stdlib.h>
#endif ]], [[char *c = (char *) *sys_errlist]])],[ol_cv_dcl_sys_errlist=yes],
[ol_cv_dcl_sys_errlist=no])])
#
# It's possible (for near-UNIX clones) that sys_errlist doesn't exist
if test $ol_cv_dcl_sys_errlist = no ; then
AC_DEFINE(DECL_SYS_ERRLIST,1,
[define if sys_errlist is not declared in stdio.h or errno.h])
fi
fi
])dnl
dnl
dnl ====================================================================
dnl glibc supplies a non-standard strerror_r if _GNU_SOURCE is defined.
dnl It's actually preferable to the POSIX version, if available.
AC_DEFUN([OL_NONPOSIX_STRERROR_R],
[AC_CACHE_CHECK([non-posix strerror_r],ol_cv_nonposix_strerror_r,[
AC_EGREP_CPP(strerror_r,[#include <string.h>],
ol_decl_strerror_r=yes, ol_decl_strerror_r=no)dnl
if test $ol_decl_strerror_r = yes ; then
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <string.h>]], [[ /* from autoconf 2.59 */
char buf[100];
char x = *strerror_r (0, buf, sizeof buf);
char *p = strerror_r (0, buf, sizeof buf);
]])],[ol_cv_nonposix_strerror_r=yes],[ol_cv_nonposix_strerror_r=no])
else
AC_RUN_IFELSE([AC_LANG_SOURCE([[
main() {
char buf[100];
buf[0] = 0;
strerror_r( 1, buf, sizeof buf );
exit( buf[0] == 0 );
}
]])],[ol_cv_nonposix_strerror_r=yes],[ol_cv_nonposix_strerror_r=no],[ol_cv_nonposix_strerror_r=no])
fi
])
if test $ol_cv_nonposix_strerror_r = yes ; then
AC_DEFINE(HAVE_NONPOSIX_STRERROR_R,1,
[define if strerror_r returns char* instead of int])
fi
])dnl
dnl
AC_DEFUN([OL_STRERROR],
[AC_CHECK_FUNCS(strerror strerror_r)
ol_cv_func_strerror_r=no
if test "${ac_cv_func_strerror_r}" = yes ; then
OL_NONPOSIX_STRERROR_R
elif test "${ac_cv_func_strerror}" = no ; then
OL_SYS_ERRLIST
fi
])dnl
dnl ====================================================================
dnl Early MIPS compilers (used in Ultrix 4.2) don't like
dnl "int x; int *volatile a = &x; *a = 0;"
dnl -- borrowed from PDKSH
AC_DEFUN([OL_C_VOLATILE],
[AC_CACHE_CHECK(if compiler understands volatile, ol_cv_c_volatile,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[int x, y, z;]], [[volatile int a; int * volatile b = x ? &y : &z;
/* Older MIPS compilers (eg., in Ultrix 4.2) don't like *b = 0 */
*b = 0;]])],[ol_cv_c_volatile=yes],[ol_cv_c_volatile=no])])
if test $ol_cv_c_volatile = yes; then
:
else
AC_DEFINE(volatile,,[define as empty if volatile is not supported])
fi
])dnl
dnl
dnl ====================================================================
dnl Look for fetch(3)
AC_DEFUN([OL_LIB_FETCH],
[ol_LIBS=$LIBS
LIBS="-lfetch -lcom_err $LIBS"
AC_CACHE_CHECK([fetch(3) library],ol_cv_lib_fetch,[
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#ifdef HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
#include <stdio.h>
#include <fetch.h>]], [[struct url *u = fetchParseURL("file:///"); ]])],[ol_cv_lib_fetch=yes],[ol_cv_lib_fetch=no])])
LIBS=$ol_LIBS
if test $ol_cv_lib_fetch != no ; then
ol_link_fetch="-lfetch -lcom_err"
AC_DEFINE(HAVE_FETCH,1,
[define if you actually have FreeBSD fetch(3)])
fi
])dnl
dnl
dnl ====================================================================
dnl Define inet_aton is available
AC_DEFUN([OL_FUNC_INET_ATON],
[AC_CACHE_CHECK([for inet_aton()], ol_cv_func_inet_aton,
[AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
# include <sys/socket.h>
# ifdef HAVE_SYS_SELECT_H
# include <sys/select.h>
# endif
# include <netinet/in.h>
# ifdef HAVE_ARPA_INET_H
# include <arpa/inet.h>
# endif
#endif
]], [[struct in_addr in;
int rc = inet_aton( "255.255.255.255", &in );]])],[ol_cv_func_inet_aton=yes],[ol_cv_func_inet_aton=no])])
if test $ol_cv_func_inet_aton != no; then
AC_DEFINE(HAVE_INET_ATON, 1,
[define to you inet_aton(3) is available])
fi
])dnl
dnl
dnl ====================================================================
dnl check no of arguments for ctime_r
AC_DEFUN([OL_FUNC_CTIME_R_NARGS],
[AC_CACHE_CHECK(number of arguments of ctime_r, ol_cv_func_ctime_r_nargs,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <time.h>]], [[time_t ti; char *buffer; ctime_r(&ti,buffer,32);]])],[ol_cv_func_ctime_r_nargs3=yes],[ol_cv_func_ctime_r_nargs3=no])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <time.h>]], [[time_t ti; char *buffer; ctime_r(&ti,buffer);]])],[ol_cv_func_ctime_r_nargs2=yes],[ol_cv_func_ctime_r_nargs2=no])
if test $ol_cv_func_ctime_r_nargs3 = yes &&
test $ol_cv_func_ctime_r_nargs2 = no ; then
ol_cv_func_ctime_r_nargs=3
elif test $ol_cv_func_ctime_r_nargs3 = no &&
test $ol_cv_func_ctime_r_nargs2 = yes ; then
ol_cv_func_ctime_r_nargs=2
else
ol_cv_func_ctime_r_nargs=0
fi
])
if test $ol_cv_func_ctime_r_nargs -gt 1 ; then
AC_DEFINE_UNQUOTED(CTIME_R_NARGS, $ol_cv_func_ctime_r_nargs,
[set to the number of arguments ctime_r() expects])
fi
])dnl
dnl
dnl --------------------------------------------------------------------
dnl check return type of ctime_r()
AC_DEFUN([OL_FUNC_CTIME_R_TYPE],
[AC_CACHE_CHECK(return type of ctime_r, ol_cv_func_ctime_r_type,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <time.h>]], [[extern int (ctime_r)();]])],[ol_cv_func_ctime_r_type="int"],[ol_cv_func_ctime_r_type="charp"])
])
if test $ol_cv_func_ctime_r_type = "int" ; then
AC_DEFINE(CTIME_R_RETURNS_INT,1, [define if ctime_r() returns int])
fi
])dnl
dnl ====================================================================
dnl check no of arguments for gethostbyname_r
AC_DEFUN([OL_FUNC_GETHOSTBYNAME_R_NARGS],
[AC_CACHE_CHECK(number of arguments of gethostbyname_r,
ol_cv_func_gethostbyname_r_nargs,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#define BUFSIZE (sizeof(struct hostent)+10)]], [[struct hostent hent; char buffer[BUFSIZE];
int bufsize=BUFSIZE;int h_errno;
(void)gethostbyname_r("segovia.cs.purdue.edu", &hent,
buffer, bufsize, &h_errno);]])],[ol_cv_func_gethostbyname_r_nargs5=yes],[ol_cv_func_gethostbyname_r_nargs5=no])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#define BUFSIZE (sizeof(struct hostent)+10)]], [[struct hostent hent;struct hostent *rhent;
char buffer[BUFSIZE];
int bufsize=BUFSIZE;int h_errno;
(void)gethostbyname_r("localhost", &hent, buffer, bufsize,
&rhent, &h_errno);]])],[ol_cv_func_gethostbyname_r_nargs6=yes],[ol_cv_func_gethostbyname_r_nargs6=no])
if test $ol_cv_func_gethostbyname_r_nargs5 = yes &&
test $ol_cv_func_gethostbyname_r_nargs6 = no ; then
ol_cv_func_gethostbyname_r_nargs=5
elif test $ol_cv_func_gethostbyname_r_nargs5 = no &&
test $ol_cv_func_gethostbyname_r_nargs6 = yes ; then
ol_cv_func_gethostbyname_r_nargs=6
else
ol_cv_func_gethostbyname_r_nargs=0
fi
])
if test $ol_cv_func_gethostbyname_r_nargs -gt 1 ; then
AC_DEFINE_UNQUOTED(GETHOSTBYNAME_R_NARGS,
$ol_cv_func_gethostbyname_r_nargs,
[set to the number of arguments gethostbyname_r() expects])
fi
])dnl
dnl
dnl check no of arguments for gethostbyaddr_r
AC_DEFUN([OL_FUNC_GETHOSTBYADDR_R_NARGS],
[AC_CACHE_CHECK(number of arguments of gethostbyaddr_r,
[ol_cv_func_gethostbyaddr_r_nargs],
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#define BUFSIZE (sizeof(struct hostent)+10)]], [[struct hostent hent; char buffer[BUFSIZE];
struct in_addr add;
size_t alen=sizeof(struct in_addr);
int bufsize=BUFSIZE;int h_errno;
(void)gethostbyaddr_r( (void *)&(add.s_addr),
alen, AF_INET, &hent, buffer, bufsize, &h_errno);]])],[ol_cv_func_gethostbyaddr_r_nargs7=yes],[ol_cv_func_gethostbyaddr_r_nargs7=no])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#define BUFSIZE (sizeof(struct hostent)+10)]], [[struct hostent hent;
struct hostent *rhent; char buffer[BUFSIZE];
struct in_addr add;
size_t alen=sizeof(struct in_addr);
int bufsize=BUFSIZE;int h_errno;
(void)gethostbyaddr_r( (void *)&(add.s_addr),
alen, AF_INET, &hent, buffer, bufsize,
&rhent, &h_errno);]])],[ol_cv_func_gethostbyaddr_r_nargs8=yes],[ol_cv_func_gethostbyaddr_r_nargs8=no])
if test $ol_cv_func_gethostbyaddr_r_nargs7 = yes &&
test $ol_cv_func_gethostbyaddr_r_nargs8 = no ; then
ol_cv_func_gethostbyaddr_r_nargs=7
elif test $ol_cv_func_gethostbyaddr_r_nargs7 = no &&
test $ol_cv_func_gethostbyaddr_r_nargs8 = yes ; then
ol_cv_func_gethostbyaddr_r_nargs=8
else
ol_cv_func_gethostbyaddr_r_nargs=0
fi
])
if test $ol_cv_func_gethostbyaddr_r_nargs -gt 1 ; then
AC_DEFINE_UNQUOTED(GETHOSTBYADDR_R_NARGS,
$ol_cv_func_gethostbyaddr_r_nargs,
[set to the number of arguments gethostbyaddr_r() expects])
fi
])dnl
dnl
dnl --------------------------------------------------------------------
dnl Check for Cyrus SASL version compatibility
AC_DEFUN([OL_SASL_COMPAT],
[AC_CACHE_CHECK([Cyrus SASL library version], [ol_cv_sasl_compat],[
AC_EGREP_CPP(__sasl_compat,[
#ifdef HAVE_SASL_SASL_H
#include <sasl/sasl.h>
#else
#include <sasl.h>
#endif
/* Require 2.1.15+ */
#if SASL_VERSION_MAJOR == 2 && SASL_VERSION_MINOR > 1
char *__sasl_compat = "2.2+ or better okay (we guess)";
#elif SASL_VERSION_MAJOR == 2 && SASL_VERSION_MINOR == 1 \
&& SASL_VERSION_STEP >=15
char *__sasl_compat = "2.1.15+ or better okay";
#endif
], [ol_cv_sasl_compat=yes], [ol_cv_sasl_compat=no])])
])
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