Some more autoconf cleanups
Replace integer type width detection with C99 fixed-width types. Also remove some unused or obsolete code. Thanks to Ruben Kerkhof for the patchset.
This commit is contained in:
Ondrej Zajicek (work)
parent
7a855725f2
commit
c253ec3a9c
5 changed files with 21 additions and 120 deletions
85
aclocal.m4
vendored
85
aclocal.m4
vendored
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@ -1,75 +1,6 @@
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dnl ** Additional Autoconf tests for BIRD configure script
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dnl ** (c) 1999 Martin Mares <mj@ucw.cz>
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AC_DEFUN([BIRD_CHECK_INTEGERS],
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[AC_CHECK_SIZEOF(char, 0)
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AC_CHECK_SIZEOF(short int, 0)
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AC_CHECK_SIZEOF(int, 0)
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AC_CHECK_SIZEOF(long int, 0)
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AC_CHECK_SIZEOF(long long int, 0)
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AH_TEMPLATE([INTEGER_8], [8-bit integer type])
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AH_TEMPLATE([INTEGER_16], [16-bit integer type])
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AH_TEMPLATE([INTEGER_32], [32-bit integer type])
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AH_TEMPLATE([INTEGER_64], [64-bit integer type])
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for size in 1 2 4 8; do
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bits=`expr $size "*" 8`
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AC_MSG_CHECKING([for $bits-bit type])
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if test $ac_cv_sizeof_int = $size ; then
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res=int
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elif test $ac_cv_sizeof_char = $size ; then
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res=char
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elif test $ac_cv_sizeof_short_int = $size ; then
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res="short int"
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elif test $ac_cv_sizeof_long_int = $size ; then
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res="long int"
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elif test $ac_cv_sizeof_long_long_int = $size ; then
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res="long long int"
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else
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AC_MSG_RESULT([not found])
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AC_MSG_ERROR([Cannot find $bits-bit integer type.])
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fi
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AC_MSG_RESULT($res)
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AC_DEFINE_UNQUOTED(INTEGER_$bits, $res)
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done
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])
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dnl BIRD_CHECK_ENDIAN is unused and obsolete
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AC_DEFUN([BIRD_CHECK_ENDIAN],
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[AC_CACHE_CHECK([CPU endianity], bird_cv_c_endian,[
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AC_TRY_RUN([
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#include <stdio.h>
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unsigned int x = 0x12345678;
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unsigned char *z = (unsigned char *) &x;
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int main(void)
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{
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FILE *f = fopen("conftestresult", "w");
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if (!f) return 10;
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fprintf(f, "%02x %02x %02x %02x", *z, *(z+1), *(z+2), *(z+3));
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fclose(f);
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exit(0);
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}
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],[
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endian=`cat conftestresult`
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if test "$endian" = "12 34 56 78" ; then
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bird_cv_c_endian=big-endian
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elif test "$endian" = "78 56 34 12" ; then
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bird_cv_c_endian=little-endian
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fi
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],[endian="test program failed"],[endian="not available, we're cross compiling"])
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if test -z "$bird_cv_c_endian" ; then
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AC_MSG_RESULT($endian)
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AC_MSG_ERROR([Cannot determine CPU endianity.])
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fi
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])
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case $bird_cv_c_endian in
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big-endian) AC_DEFINE(CPU_BIG_ENDIAN) ;;
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little-endian) AC_DEFINE(CPU_LITTLE_ENDIAN) ;;
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esac
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])
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AC_DEFUN([BIRD_CHECK_STRUCT_ALIGN],
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[AC_CACHE_CHECK([usual alignment of structures],bird_cv_c_struct_align,[
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AC_TRY_RUN([
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@ -126,18 +57,6 @@ case "$bird_cv_type_time_t" in
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esac
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])
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AC_DEFUN([BIRD_CHECK_STRUCT_IP_MREQN],
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[AC_CACHE_CHECK([for struct ip_mreqn], bird_cv_struct_ip_mreqn,[
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AC_TRY_COMPILE([#include <netinet/in.h>
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],[struct ip_mreqn x;
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],[bird_cv_struct_ip_mreqn=yes
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],[bird_cv_struct_ip_mreqn=no
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])])
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if test "$bird_cv_struct_ip_mreqn" = yes ; then
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AC_DEFINE([HAVE_STRUCT_IP_MREQN], [1], [Define to 1 if you have struct ip_mreqn])
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fi
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])
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AC_DEFUN([BIRD_CHECK_PTHREADS],
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[
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bird_tmp_cflags="$CFLAGS"
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@ -170,7 +89,7 @@ AC_DEFUN([BIRD_ADD_GCC_OPTION],
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# BIRD_CHECK_PROG_FLAVOR_GNU(PROGRAM-PATH, IF-SUCCESS, [IF-FAILURE])
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# copied autoconf internal _AC_PATH_PROG_FLAVOR_GNU
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m4_define([BIRD_CHECK_PROG_FLAVOR_GNU],
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AC_DEFUN([BIRD_CHECK_PROG_FLAVOR_GNU],
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[# Check for GNU $1
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case `"$1" --version 2>&1` in
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*GNU*)
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@ -179,4 +98,4 @@ m4_ifval([$3],
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[*)
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$3;;
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])esac
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])#
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])
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16
configure.ac
16
configure.ac
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@ -69,7 +69,7 @@ fi
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AC_SUBST(CONFIG_FILE)
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AC_SUBST(CONTROL_SOCKET)
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AC_SEARCH_LIBS(clock_gettime, [c rt posix4], ,
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AC_SEARCH_LIBS(clock_gettime, [rt posix4], ,
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AC_MSG_ERROR([[Function clock_gettime not available.]]))
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AC_CANONICAL_HOST
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@ -84,14 +84,6 @@ if test -z "$GCC" ; then
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AC_MSG_ERROR([This program requires the GNU C Compiler.])
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fi
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# Enable threads by default just in Linux and FreeBSD
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#if test "$enable_pthreads" = try ; then
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# case "$host_os" in
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# (linux* | freebsd* | openbsd* | netbsd* ) enable_pthreads=try ;;
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# (*) enable_pthreads=no ;;
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# esac
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#fi
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if test "$enable_pthreads" != no ; then
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BIRD_CHECK_PTHREADS
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@ -248,8 +240,8 @@ case $sysdesc in
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;;
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esac
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AC_CHECK_HEADER(syslog.h, [AC_DEFINE([HAVE_SYSLOG], [1], [Define to 1 if you have the <syslog.h> header file])])
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AC_CHECK_HEADER(alloca.h, [AC_DEFINE([HAVE_ALLOCA_H], [1], [Define to 1 if you have the <alloca.h> header file])])
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AC_CHECK_HEADERS_ONCE([alloca.h syslog.h])
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AC_MSG_CHECKING(whether 'struct sockaddr' has sa_len)
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AC_COMPILE_IFELSE([
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AC_LANG_PROGRAM(
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@ -275,10 +267,8 @@ AC_C_BIGENDIAN(
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[AC_MSG_ERROR([Cannot determine CPU endianity.])]
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)
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BIRD_CHECK_INTEGERS
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BIRD_CHECK_STRUCT_ALIGN
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BIRD_CHECK_TIME_T
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BIRD_CHECK_STRUCT_IP_MREQN
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if test "$enable_debug" = yes ; then
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AC_DEFINE([DEBUGGING], [1], [Define to 1 if debugging is enabled])
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@ -24,16 +24,18 @@
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#include "sysdep/paths.h"
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/* Types */
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typedef signed INTEGER_8 s8;
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typedef unsigned INTEGER_8 u8;
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typedef INTEGER_16 s16;
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typedef unsigned INTEGER_16 u16;
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typedef INTEGER_32 s32;
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typedef unsigned INTEGER_32 u32;
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typedef INTEGER_64 s64;
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typedef unsigned INTEGER_64 u64;
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typedef u8 byte;
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typedef u16 word;
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#include <stdint.h>
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typedef int8_t s8;
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typedef uint8_t u8;
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typedef int16_t s16;
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typedef uint16_t u16;
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typedef int32_t s32;
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typedef uint32_t u32;
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typedef int64_t s64;
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typedef uint64_t u64;
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typedef uint8_t byte;
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typedef uint16_t word;
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typedef unsigned int uint;
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#endif
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@ -7,16 +7,6 @@
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*/
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#ifndef HAVE_STRUCT_IP_MREQN
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/* Several versions of glibc don't define this structure, so we have to do it ourselves */
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struct ip_mreqn
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{
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struct in_addr imr_multiaddr; /* IP multicast address of group */
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struct in_addr imr_address; /* local IP address of interface */
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int imr_ifindex; /* Interface index */
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};
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#endif
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#ifndef IP_MINTTL
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#define IP_MINTTL 21
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#endif
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@ -56,7 +56,7 @@ static int main_thread_self(void) { return 1; }
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#endif
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#ifdef HAVE_SYSLOG
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#ifdef HAVE_SYSLOG_H
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#include <sys/syslog.h>
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static int syslog_priorities[] = {
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@ -127,7 +127,7 @@ log_commit(int class, buffer *buf)
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fputc('\n', l->fh);
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fflush(l->fh);
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}
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#ifdef HAVE_SYSLOG
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#ifdef HAVE_SYSLOG_H
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else
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syslog(syslog_priorities[class], "%s", buf->start);
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#endif
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@ -262,7 +262,7 @@ default_log_list(int debug, int init, char **syslog_name)
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init_list(&init_log_list);
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*syslog_name = NULL;
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#ifdef HAVE_SYSLOG
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#ifdef HAVE_SYSLOG_H
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if (!debug)
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{
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static struct log_config lc_syslog = { .mask = ~0 };
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@ -287,7 +287,7 @@ log_switch(int debug, list *l, char *new_syslog_name)
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current_log_list = l;
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#ifdef HAVE_SYSLOG
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#ifdef HAVE_SYSLOG_H
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if (current_syslog_name && new_syslog_name &&
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!strcmp(current_syslog_name, new_syslog_name))
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return;
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