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Merge branch 'master' into int-new

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This commit is contained in:
Ondrej Zajicek (work) 2017-05-16 14:18:25 +02:00
commit 1c5b4c5d5b
6 changed files with 288 additions and 217 deletions
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5
.gitignore vendored
View File

@ -5,8 +5,9 @@
/bird
/birdc
/birdcl
/bird.conf
/bird.log
/config.log
/config.status
/configure
/bird.conf
/bird.log
/sysdep/autoconf.h.in

112
aclocal.m4 vendored
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@ -1,70 +1,32 @@
dnl ** Additional Autoconf tests for BIRD configure script
dnl ** (c) 1999 Martin Mares <mj@ucw.cz>
AC_DEFUN([BIRD_CHECK_STRUCT_ALIGN],
[AC_CACHE_CHECK([usual alignment of structures],bird_cv_c_struct_align,[
AC_TRY_RUN([
#include <stdio.h>
struct { char x; long int y; } ary[2];
int main(void)
{
FILE *f = fopen("conftestresult", "w");
if (!f) return 10;
fprintf(f, "%d", sizeof(ary)/2);
fclose(f);
exit(0);
}
],[
bird_cv_c_struct_align=`cat conftestresult`
],[
AC_MSG_RESULT([test program failed])
AC_MSG_ERROR([Cannot determine structure alignment])
],[bird_cv_c_struct_align=16])
])
AC_DEFINE_UNQUOTED([CPU_STRUCT_ALIGN], [$bird_cv_c_struct_align], [Usual alignment of structures])
])
AC_DEFUN([BIRD_CHECK_TIME_T],
[AC_CACHE_CHECK([characteristics of time_t], bird_cv_type_time_t, [
AC_TRY_RUN([
#include <stdio.h>
#include <sys/time.h>
#include <limits.h>
int main(void)
{
FILE *f = fopen("conftestresult", "w");
if (!f) return 10;
fprintf(f, "%d-bit ", sizeof(time_t)*CHAR_BIT);
if ((time_t) -1 > 0) fprintf(f, "un");
fprintf(f, "signed");
fclose(f);
exit(0);
}
],[bird_cv_type_time_t=`cat conftestresult`
],[ AC_MSG_RESULT([test program failed])
AC_MSG_ERROR([Cannot determine time_t size and signedness.])
],[bird_cv_type_time_t="32-bit signed"])
])
case "$bird_cv_type_time_t" in
*64-bit*) AC_DEFINE([TIME_T_IS_64BIT], [1], [Define to 1 if time_t is 64 bit]) ;;
esac
case "$bird_cv_type_time_t" in
*unsigned*) ;;
*) AC_DEFINE([TIME_T_IS_SIGNED], [1], [Define to 1 if time_t is signed]) ;;
esac
])
AC_DEFUN([BIRD_CHECK_PTHREADS],
[
bird_tmp_cflags="$CFLAGS"
CFLAGS="$CFLAGS -pthread"
AC_CACHE_CHECK([whether POSIX threads are available], bird_cv_lib_pthreads,
[AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <pthread.h>]], [[pthread_t pt; pthread_create(&pt, NULL, NULL, NULL); pthread_spinlock_t lock; pthread_spin_lock(&lock); ]])],
[bird_cv_lib_pthreads=yes], [bird_cv_lib_pthreads=no])])
AC_CACHE_CHECK(
[whether POSIX threads are available],
[bird_cv_lib_pthreads],
[
AC_LINK_IFELSE(
[
AC_LANG_PROGRAM(
[ #include <pthread.h> ],
[
pthread_t pt;
pthread_create(&pt, NULL, NULL, NULL);
pthread_spinlock_t lock;
pthread_spin_lock(&lock);
]
)
],
[bird_cv_lib_pthreads=yes],
[bird_cv_lib_pthreads=no]
)
]
)
CFLAGS="$bird_tmp_cflags"
])
@ -72,10 +34,19 @@ AC_DEFUN([BIRD_CHECK_PTHREADS],
AC_DEFUN([BIRD_CHECK_GCC_OPTION],
[
bird_tmp_cflags="$CFLAGS"
CFLAGS="$3 $2"
AC_CACHE_CHECK([whether CC supports $2], $1,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])], [$1=yes], [$1=no])])
AC_CACHE_CHECK(
[whether CC supports $2],
[$1],
[
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM()],
[$1=yes],
[$1=no]
)
]
)
CFLAGS="$bird_tmp_cflags"
])
@ -88,14 +59,19 @@ AC_DEFUN([BIRD_ADD_GCC_OPTION],
])
# BIRD_CHECK_PROG_FLAVOR_GNU(PROGRAM-PATH, IF-SUCCESS, [IF-FAILURE])
# copied autoconf internal _AC_PATH_PROG_FLAVOR_GNU
# copied from autoconf internal _AC_PATH_PROG_FLAVOR_GNU
AC_DEFUN([BIRD_CHECK_PROG_FLAVOR_GNU],
[# Check for GNU $1
[
# Check for GNU $1
case `"$1" --version 2>&1` in
*GNU*)
$2;;
$2
;;
m4_ifval([$3],
[*)
$3;;
])esac
$3
;;
]
)
esac
])

236
configure.ac
View File

@ -4,18 +4,60 @@ dnl ** (c) 1999--2000 Martin Mares <mj@ucw.cz>
AC_INIT
AC_CONFIG_SRCDIR([conf/confbase.Y])
AC_CONFIG_AUX_DIR(tools)
AC_CONFIG_AUX_DIR([tools])
AC_ARG_ENABLE([client],
[AS_HELP_STRING([--enable-client], [enable building of BIRD client @<:@yes@:>@])],
[],
[enable_client=yes]
)
AC_ARG_ENABLE([debug],
[AS_HELP_STRING([--enable-debug], [enable internal debugging routines @<:@no@:>@])],
[],
[enable_debug=no]
)
AC_ARG_ENABLE([memcheck],
[AS_HELP_STRING([--enable-memcheck], [check memory allocations when debugging @<:@yes@:>@])],
[],
[enable_memcheck=yes]
)
AC_ARG_ENABLE([pthreads],
[AS_HELP_STRING([--enable-pthreads], [enable POSIX threads support @<:@try@:>@])],
[],
[enable_pthreads=try]
)
AC_ARG_ENABLE([libssh],
[AS_HELP_STRING([--enable-libssh], [enable LibSSH support together with RPKI @<:@try@:>@])],
[],
[enable_libssh=try]
)
AC_ARG_WITH([protocols],
[AS_HELP_STRING([--with-protocols=LIST], [include specified routing protocols @<:@all@:>@])],
[],
[with_protocols="all"]
)
AC_ARG_WITH([sysconfig],
[AS_HELP_STRING([--with-sysconfig=FILE], [use specified BIRD system configuration file])],
[]
)
AC_ARG_WITH([runtimedir],
[AS_HELP_STRING([--with-runtimedir=PATH], [path for runtime files @<:@LOCALSTATEDIR/run@:>@])],
[runtimedir="$with_runtimedir"],
[runtimedir="\$(localstatedir)/run"]
)
AC_ARG_WITH([iproutedir],
[AS_HELP_STRING([--with-iproutedir=PATH], [path to iproute2 config files @<:@/etc/iproute2@:>@])],
[given_iproutedir="yes"]
)
AC_ARG_ENABLE(debug, [ --enable-debug enable internal debugging routines (default: disabled)],,enable_debug=no)
AC_ARG_ENABLE(memcheck, [ --enable-memcheck check memory allocations when debugging (default: enabled)],,enable_memcheck=yes)
AC_ARG_ENABLE(client, [ --enable-client enable building of BIRD client (default: enabled)],,enable_client=yes)
AC_ARG_ENABLE(pthreads, [ --enable-pthreads enable POSIX threads support (default: detect)],,enable_pthreads=try)
AC_ARG_ENABLE(libssh, [ --enable-libssh enable LibSSH support together with RPKI protocol (default: detect)],,enable_libssh=try)
AC_ARG_WITH(sysconfig, [ --with-sysconfig=FILE use specified BIRD system configuration file])
AC_ARG_WITH(protocols, [ --with-protocols=LIST include specified routing protocols (default: all)],,[with_protocols="all"])
AC_ARG_WITH(sysinclude, [ --with-sysinclude=PATH search for system includes on specified place])
AC_ARG_WITH(runtimedir, [ --with-runtimedir=PATH path for runtime files (default: $(localstatedir)/run)],[runtimedir="$with_runtimedir"],[runtimedir="\$(localstatedir)/run"])
AC_ARG_WITH(iproutedir, [ --with-iproutedir=PATH path to iproute2 config files (default: /etc/iproute2)],[given_iproutedir="yes"])
AC_ARG_VAR([FLEX], [location of the Flex program])
AC_ARG_VAR([BISON], [location of the Bison program])
AC_ARG_VAR([M4], [location of the M4 program])
@ -31,10 +73,10 @@ fi
exedir=.
AC_SUBST(objdir)
AC_SUBST(exedir)
AC_SUBST(srcdir)
AC_SUBST(runtimedir)
AC_SUBST([objdir])
AC_SUBST([exedir])
AC_SUBST([srcdir])
AC_SUBST([runtimedir])
if test "$enable_debug" = yes ; then
@ -44,11 +86,13 @@ else
CONFIG_FILE="\$(sysconfdir)/bird.conf"
CONTROL_SOCKET="$runtimedir/bird.ctl"
fi
AC_SUBST(CONFIG_FILE)
AC_SUBST(CONTROL_SOCKET)
AC_SUBST([CONFIG_FILE])
AC_SUBST([CONTROL_SOCKET])
AC_SEARCH_LIBS(clock_gettime, [rt posix4], ,
AC_MSG_ERROR([[Function clock_gettime not available.]]))
AC_SEARCH_LIBS([clock_gettime], [rt posix4],
[],
[AC_MSG_ERROR([Function clock_gettime not available.])]
)
AC_CANONICAL_HOST
@ -95,32 +139,36 @@ if test "$enable_libssh" != no ; then
fi
if test "$bird_cflags_default" = yes ; then
BIRD_CHECK_GCC_OPTION(bird_cv_c_option_wno_pointer_sign, -Wno-pointer-sign, -Wall)
BIRD_CHECK_GCC_OPTION(bird_cv_c_option_wno_missing_init, -Wno-missing-field-initializers, -Wall -Wextra)
BIRD_CHECK_GCC_OPTION(bird_cv_c_option_fno_strict_aliasing, -fno-strict-aliasing)
BIRD_CHECK_GCC_OPTION(bird_cv_c_option_fno_strict_overflow, -fno-strict-overflow)
BIRD_CHECK_GCC_OPTION([bird_cv_c_option_wno_pointer_sign], [-Wno-pointer-sign], [-Wall])
BIRD_CHECK_GCC_OPTION([bird_cv_c_option_wno_missing_init], [-Wno-missing-field-initializers], [-Wall -Wextra])
BIRD_CHECK_GCC_OPTION([bird_cv_c_option_fno_strict_aliasing], [-fno-strict-aliasing])
BIRD_CHECK_GCC_OPTION([bird_cv_c_option_fno_strict_overflow], [-fno-strict-overflow])
CFLAGS="$CFLAGS -Wall -Wextra -Wstrict-prototypes -Wno-parentheses"
BIRD_ADD_GCC_OPTION(bird_cv_c_option_wno_pointer_sign, -Wno-pointer-sign)
BIRD_ADD_GCC_OPTION(bird_cv_c_option_wno_missing_init, -Wno-missing-field-initializers)
BIRD_ADD_GCC_OPTION(bird_cv_c_option_fno_strict_aliasing, -fno-strict-aliasing)
BIRD_ADD_GCC_OPTION(bird_cv_c_option_fno_strict_overflow, -fno-strict-overflow)
BIRD_ADD_GCC_OPTION([bird_cv_c_option_wno_pointer_sign], [-Wno-pointer-sign])
BIRD_ADD_GCC_OPTION([bird_cv_c_option_wno_missing_init], [-Wno-missing-field-initializers])
BIRD_ADD_GCC_OPTION([bird_cv_c_option_fno_strict_aliasing], [-fno-strict-aliasing])
BIRD_ADD_GCC_OPTION([bird_cv_c_option_fno_strict_overflow], [-fno-strict-overflow])
fi
AC_MSG_CHECKING([CFLAGS])
AC_MSG_RESULT($CFLAGS)
AC_MSG_RESULT([$CFLAGS])
AC_PROG_CPP
AC_PROG_INSTALL
AC_PROG_RANLIB
AC_CHECK_PROG(FLEX, flex, flex)
AC_CHECK_PROG(BISON, bison, bison)
AC_CHECK_PROGS(M4, gm4 m4)
AC_CHECK_PROG([FLEX], [flex], [flex])
AC_CHECK_PROG([BISON], [bison], [bison])
AC_CHECK_PROGS([M4], [gm4 m4])
test -z "$FLEX" && AC_MSG_ERROR([Flex is missing.])
test -z "$BISON" && AC_MSG_ERROR([Bison is missing.])
test -z "$M4" && AC_MSG_ERROR([M4 is missing.])
BIRD_CHECK_PROG_FLAVOR_GNU([$M4], , [AC_MSG_ERROR([Provided M4 is not GNU M4.])])
BIRD_CHECK_PROG_FLAVOR_GNU([$M4],
[],
[AC_MSG_ERROR([Provided M4 is not GNU M4.])]
)
if test -n "$with_sysconfig" -a "$with_sysconfig" != no ; then
if test -f $with_sysconfig ; then
@ -135,28 +183,35 @@ elif test -f sysconfig.h ; then
sysdesc=sysconfig
else
case "$host_os" in
linux*) sysdesc=linux
linux*)
sysdesc=linux
default_iproutedir="/etc/iproute2"
;;
freebsd*) sysdesc=bsd
freebsd*)
sysdesc=bsd
;;
kfreebsd*) sysdesc=bsd
kfreebsd*)
sysdesc=bsd
;;
netbsd*) sysdesc=bsd
netbsd*)
sysdesc=bsd
CPPFLAGS="$CPPFLAGS -I/usr/pkg/include"
LDFLAGS="$LDFLAGS -L/usr/pkg/lib -R/usr/pkg/lib"
;;
openbsd*) sysdesc=bsd
openbsd*)
sysdesc=bsd
;;
dragonfly*) sysdesc=bsd
dragonfly*)
sysdesc=bsd
;;
*) AC_MSG_ERROR([Cannot determine correct system configuration. Please use --with-sysconfig to set it manually.])
*)
AC_MSG_ERROR([Cannot determine correct system configuration. Please use --with-sysconfig to set it manually.])
;;
esac
sysdesc=$srcdir/sysdep/cf/$sysdesc.h
fi
AC_MSG_CHECKING([which OS configuration should we use])
AC_MSG_RESULT($sysdesc)
AC_MSG_RESULT([$sysdesc])
if ! test -f $sysdesc ; then
AC_MSG_ERROR([The system configuration file is missing.])
fi
@ -165,8 +220,8 @@ AC_DEFINE_UNQUOTED([SYSCONF_INCLUDE], ["$sysdesc"], [Which sysdep header to incl
AC_MSG_CHECKING([system-dependent directories])
sysdep_dirs="`sed <$sysdesc '/^Link: /!d;s/^Link: \(.*\)$/\1/' | tr '\012' ' '`"
AC_MSG_RESULT($sysdep_dirs)
AC_SUBST(sysdep_dirs)
AC_MSG_RESULT([$sysdep_dirs])
AC_SUBST([sysdep_dirs])
if test "$with_iproutedir" = no ; then with_iproutedir= ; fi
@ -175,7 +230,7 @@ then iproutedir=$with_iproutedir
else iproutedir=$default_iproutedir
fi
AC_SUBST(iproutedir)
AC_SUBST([iproutedir])
all_protocols="$proto_bfd babel bgp ospf pipe radv rip $proto_rpki static"
@ -200,28 +255,39 @@ protocols=`echo "$with_protocols" | sed 's/,/ /g'`
if test "$protocols" = no ; then protocols= ; fi
for a in $protocols ; do
if ! test -f $srcdir/proto/$a/Makefile ; then
AC_MSG_RESULT(failed)
AC_MSG_ERROR([Requested protocol $a not found.])
AC_MSG_RESULT([failed])
AC_MSG_ERROR([Requested protocol $a not found])
fi
AC_DEFINE_UNQUOTED(CONFIG_`echo $a | tr 'a-z' 'A-Z'`)
AC_DEFINE_UNQUOTED([CONFIG_`echo $a | tr 'a-z' 'A-Z'`])
done
AC_MSG_RESULT(ok)
AC_SUBST(protocols)
AC_MSG_RESULT([ok])
AC_SUBST([protocols])
case $sysdesc in
*/linux*)
AC_CHECK_HEADER(linux/rtnetlink.h,,[AC_MSG_ERROR([Appropriate version of Linux kernel headers not found.])],[
AC_CHECK_HEADER([linux/rtnetlink.h],
[],
[AC_MSG_ERROR([Appropriate version of Linux kernel headers not found.])],
[
#include <asm/types.h>
#include <sys/socket.h>
])
]
)
;;
esac
AC_CHECK_HEADERS_ONCE([alloca.h syslog.h])
AC_CHECK_MEMBERS([struct sockaddr.sa_len], [], [], [#include <sys/socket.h>])
AC_CHECK_HEADER([linux/lwtunnel.h], [AC_DEFINE([HAVE_LWTUNNEL], [1], [Define to 1 if you have the <linux/lwtunnel.h> header file.])])
AC_CHECK_MEMBERS([struct rtvia.rtvia_family], [AC_DEFINE([HAVE_STRUCT_RTVIA], [1], [Define to 1 if you have rtvia structure.])],,[#include <linux/rtnetlink.h>])
AC_CHECK_HEADER([linux/lwtunnel.h],
[AC_DEFINE([HAVE_LWTUNNEL], [1], [Define to 1 if you have the <linux/lwtunnel.h> header file.])]
)
AC_CHECK_MEMBERS([struct rtvia.rtvia_family],
[AC_DEFINE([HAVE_STRUCT_RTVIA], [1], [Define to 1 if you have rtvia structure.])],
[],
[#include <linux/rtnetlink.h>]
)
AC_C_BIGENDIAN(
[AC_DEFINE([CPU_BIG_ENDIAN], [1], [Define to 1 if cpu is big endian])],
@ -229,18 +295,25 @@ AC_C_BIGENDIAN(
[AC_MSG_ERROR([Cannot determine CPU endianity.])]
)
BIRD_CHECK_STRUCT_ALIGN
BIRD_CHECK_TIME_T
if test "$enable_debug" = yes ; then
AC_DEFINE([DEBUGGING], [1], [Define to 1 if debugging is enabled])
AC_CHECK_HEADER(execinfo.h, [AC_SEARCH_LIBS([backtrace, backtrace_symbols], [c execinfo], [AC_DEFINE([HAVE_EXECINFO_H], [1], [Define to 1 if you have the <execinfo.h> header file.])])])
LDFLAGS="$LDFLAGS -rdynamic"
CFLAGS="$CFLAGS -O0 -ggdb -g3 -gdwarf-4"
AC_CHECK_HEADER([execinfo.h],
[
AC_DEFINE([HAVE_EXECINFO_H], [1], [Define to 1 if you have the <execinfo.h> header file.])
AC_SEARCH_LIBS([backtrace], [execinfo],
[]
[AC_MSG_ERROR([Function backtrace not available.])]
)
]
)
if test "$enable_memcheck" = yes ; then
AC_CHECK_LIB(dmalloc, dmalloc_debug)
AC_CHECK_LIB([dmalloc], [dmalloc_debug])
if test $ac_cv_lib_dmalloc_dmalloc_debug != yes ; then
AC_CHECK_LIB(efence, malloc)
AC_CHECK_LIB([efence], [malloc])
fi
fi
fi
@ -252,24 +325,43 @@ CLIENT=birdcl
CLIENT_LIBS=
if test "$enable_client" = yes ; then
CLIENT="$CLIENT birdc"
AC_CHECK_LIB(history, add_history, CLIENT_LIBS="-lhistory")
AC_CHECK_LIB(ncurses, tgetent, USE_TERMCAP_LIB=-lncurses,
AC_CHECK_LIB(curses, tgetent, USE_TERMCAP_LIB=-lcurses,
AC_CHECK_LIB(tinfow, tgetent, USE_TERMCAP_LIB=-ltinfow,
AC_CHECK_LIB(tinfo, tgetent, USE_TERMCAP_LIB=-ltinfo,
AC_CHECK_LIB(termcap, tgetent, USE_TERMCAP_LIB=-ltermcap,
AC_MSG_ERROR([[The client requires ncurses library. Either install the library or use --disable-client to compile without the client.]]))))))
AC_CHECK_LIB(readline, rl_callback_read_char, CLIENT_LIBS="-lreadline $CLIENT_LIBS $USE_TERMCAP_LIB",
AC_MSG_ERROR([[The client requires GNU readline library 2.1 or newer. Either install the library or use --disable-client to compile without the client.]]), $USE_TERMCAP_LIB)
AC_CHECK_LIB(readline, rl_crlf, AC_DEFINE([HAVE_RL_CRLF], [1], [Define to 1 if you have rl_crlf()]),,$USE_TERMCAP_LIB)
AC_CHECK_LIB(readline, rl_ding, AC_DEFINE([HAVE_RL_DING], [1], [Define to 1 if you have rl_ding()]),,$USE_TERMCAP_LIB)
AC_CHECK_LIB([history], [add_history], [CLIENT_LIBS="-lhistory"])
AC_CHECK_LIB([ncurses], [tgetent], [USE_TERMCAP_LIB=-lncurses],
AC_CHECK_LIB([curses], [tgetent], [USE_TERMCAP_LIB=-lcurses],
AC_CHECK_LIB([tinfow], [tgetent], [USE_TERMCAP_LIB=-ltinfow],
AC_CHECK_LIB([tinfo], [tgetent], [USE_TERMCAP_LIB=-ltinfo],
AC_CHECK_LIB([termcap], [tgetent], [USE_TERMCAP_LIB=-ltermcap],
[AC_MSG_ERROR([The client requires ncurses library. Either install the library or use --disable-client to compile without the client.])]
)
)
)
)
)
AC_CHECK_LIB([readline], [rl_callback_read_char],
[CLIENT_LIBS="-lreadline $CLIENT_LIBS $USE_TERMCAP_LIB"],
[AC_MSG_ERROR([The client requires GNU readline library 2.1 or newer. Either install the library or use --disable-client to compile without the client.])],
[$USE_TERMCAP_LIB]
)
AC_CHECK_LIB([readline], [rl_crlf],
[AC_DEFINE([HAVE_RL_CRLF], [1], [Define to 1 if you have rl_crlf()])],
[],
[$USE_TERMCAP_LIB]
)
AC_CHECK_LIB([readline], [rl_ding],
[AC_DEFINE([HAVE_RL_DING], [1], [Define to 1 if you have rl_ding()])],
[],
[$USE_TERMCAP_LIB]
)
fi
AC_SUBST(CLIENT)
AC_SUBST(CLIENT_LIBS)
AC_SUBST([CLIENT])
AC_SUBST([CLIENT_LIBS])
mkdir -p $objdir/sysdep
AC_CONFIG_HEADERS([$objdir/sysdep/autoconf.h:sysdep/autoconf.h.in])
AC_CONFIG_FILES(Makefile:Makefile.in)
AC_CONFIG_FILES([Makefile:Makefile.in])
AC_OUTPUT
AC_MSG_RESULT()

3
lib/birdlib.h
View File

@ -14,9 +14,12 @@
/* Ugly structure offset handling macros */
struct align_probe { char x; long int y; };
#define OFFSETOF(s, i) ((size_t) &((s *)0)->i)
#define SKIP_BACK(s, i, p) ((s *)((char *)p - OFFSETOF(s, i)))
#define BIRD_ALIGN(s, a) (((s)+a-1)&~(a-1))
#define CPU_STRUCT_ALIGN (sizeof(struct align_probe))
/* Utility macros */

1
sysdep/config.h
View File

@ -24,6 +24,7 @@
#include "sysdep/paths.h"
/* Types */
#include <stdint.h>
typedef int8_t s8;
typedef uint8_t u8;

16
sysdep/unix/timer.h
View File

@ -77,14 +77,12 @@ bird_clock_t tm_parse_datetime(char *); /* Convert date to bird_clock_t */
void
tm_format_datetime(char *x, struct timeformat *fmt_spec, bird_clock_t t);
#ifdef TIME_T_IS_64BIT
#define TIME_INFINITY 0x7fffffffffffffff
#else
#ifdef TIME_T_IS_SIGNED
#define TIME_INFINITY 0x7fffffff
#else
#define TIME_INFINITY 0xffffffff
#endif
#endif
#define TIME_T_IS_64BIT (sizeof(time_t) == 8)
#define TIME_T_IS_SIGNED ((time_t) -1 < 0)
#define TIME_INFINITY \
((time_t) (TIME_T_IS_SIGNED ? \
(TIME_T_IS_64BIT ? 0x7fffffffffffffff : 0x7fffffff): \
(TIME_T_IS_64BIT ? 0xffffffffffffffff : 0xffffffff)))
#endif