X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=libgo%2Fmksysinfo.sh;h=a977f56937b24d8584b0ba2065610b6b8e608f1a;hb=2e58ed3087522ab051c23e0c45fb008a6fbef787;hp=ed57ee14b63d54687cdf1809af6c4626b59c459a;hpb=df32732fa8f155d91b88a998e853ca63621ab3a9;p=gcc.git

diff --git a/libgo/mksysinfo.sh b/libgo/mksysinfo.sh
index ed57ee14b63..a977f56937b 100755
--- a/libgo/mksysinfo.sh
+++ b/libgo/mksysinfo.sh
@@ -151,12 +151,21 @@ cat > sysinfo.c <<EOF
 #if defined(HAVE_LINUX_ETHER_H)
 #include <linux/ether.h>
 #endif
+#if defined(HAVE_LINUX_FS_H)
+#include <linux/fs.h>
+#endif
 #if defined(HAVE_LINUX_REBOOT_H)
 #include <linux/reboot.h>
 #endif
 #if defined(HAVE_SYS_INOTIFY_H)
 #include <sys/inotify.h>
 #endif
+#if defined(HAVE_NETINET_ICMP6_H)
+#include <netinet/icmp6.h>
+#endif
+#if defined(HAVE_SCHED_H)
+#include <sched.h>
+#endif
 
 /* Constants that may only be defined as expressions on some systems,
    expressions too complex for -fdump-go-spec to handle.  These are
@@ -165,6 +174,33 @@ enum {
 #ifdef TIOCGWINSZ
   TIOCGWINSZ_val = TIOCGWINSZ,
 #endif
+#ifdef TIOCSWINSZ
+  TIOCSWINSZ_val = TIOCSWINSZ,
+#endif
+#ifdef TIOCNOTTY
+  TIOCNOTTY_val = TIOCNOTTY,
+#endif
+#ifdef TIOCSCTTY
+  TIOCSCTTY_val = TIOCSCTTY,
+#endif
+#ifdef TIOCGPTN
+  TIOCGPTN_val = TIOCGPTN,
+#endif
+#ifdef TIOCSPTLCK
+  TIOCSPTLCK_val = TIOCSPTLCK,
+#endif
+#ifdef TIOCGDEV
+  TIOCGDEV_val = TIOCGDEV,
+#endif
+#ifdef TIOCSIG
+  TIOCSIG_val = TIOCSIG,
+#endif
+#ifdef TCGETS
+  TCGETS_val = TCGETS,
+#endif
+#ifdef TCSETS
+  TCSETS_val = TCSETS,
+#endif
 };
 EOF
 
@@ -208,10 +244,45 @@ if ! grep '^const O_CLOEXEC' ${OUT} >/dev/null 2>&1; then
   echo "const O_CLOEXEC = 0" >> ${OUT}
 fi
 
+# The os package requires F_DUPFD_CLOEXEC to be defined.
+if ! grep '^const F_DUPFD_CLOEXEC' ${OUT} >/dev/null 2>&1; then
+  echo "const F_DUPFD_CLOEXEC = 0" >> ${OUT}
+fi
+
+# These flags can be lost on i386 GNU/Linux when using
+# -D_FILE_OFFSET_BITS=64, because we see "#define F_SETLK F_SETLK64"
+# before we see the definition of F_SETLK64.
+for flag in F_GETLK F_SETLK F_SETLKW; do
+  if ! grep "^const ${flag} " ${OUT} >/dev/null 2>&1 \
+      && grep "^const ${flag}64 " ${OUT} >/dev/null 2>&1; then
+    echo "const ${flag} = ${flag}64" >> ${OUT}
+  fi
+done
+
+# The Flock_t struct for fcntl.
+grep '^type _flock ' gen-sysinfo.go | \
+    sed -e 's/type _flock/type Flock_t/' \
+      -e 's/l_type/Type/' \
+      -e 's/l_whence/Whence/' \
+      -e 's/l_start/Start/' \
+      -e 's/l_len/Len/' \
+      -e 's/l_pid/Pid/' \
+    >> ${OUT}
+
 # The signal numbers.
 grep '^const _SIG[^_]' gen-sysinfo.go | \
   grep -v '^const _SIGEV_' | \
   sed -e 's/^\(const \)_\(SIG[^= ]*\)\(.*\)$/\1\2 = Signal(_\2)/' >> ${OUT}
+if ! grep '^const SIGPOLL ' ${OUT} >/dev/null 2>&1; then
+  if grep '^const SIGIO ' ${OUT} > /dev/null 2>&1; then
+    echo "const SIGPOLL = SIGIO" >> ${OUT}
+  fi
+fi
+if ! grep '^const SIGCLD ' ${OUT} >/dev/null 2>&1; then
+  if grep '^const SIGCHLD ' ${OUT} >/dev/null 2>&1; then
+    echo "const SIGCLD = SIGCHLD" >> ${OUT}
+  fi
+fi
 
 # The syscall numbers.  We force the names to upper case.
 grep '^const _SYS_' gen-sysinfo.go | \
@@ -221,6 +292,14 @@ grep '^const _SYS_' gen-sysinfo.go | \
     echo "const $sup = _$sys" >> ${OUT}
   done
 
+# The GNU/Linux support wants to use SYS_GETDENTS64 if available.
+if ! grep '^const SYS_GETDENTS ' ${OUT} >/dev/null 2>&1; then
+  echo "const SYS_GETDENTS = 0" >> ${OUT}
+fi
+if ! grep '^const SYS_GETDENTS64 ' ${OUT} >/dev/null 2>&1; then
+  echo "const SYS_GETDENTS64 = 0" >> ${OUT}
+fi
+
 # Stat constants.
 grep '^const _S_' gen-sysinfo.go | \
   sed -e 's/^\(const \)_\(S_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
@@ -261,16 +340,33 @@ grep '^const _SHUT_' gen-sysinfo.go |
   sed -e 's/^\(const \)_\(SHUT[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 
 # The net package requires some const definitions.
-for m in IP_PKTINFO IPV6_V6ONLY IPPROTO_IPV6 IPV6_JOIN_GROUP IPV6_LEAVE_GROUP IPV6_TCLASS; do
+for m in IP_PKTINFO IPV6_V6ONLY IPPROTO_IPV6 IPV6_JOIN_GROUP IPV6_LEAVE_GROUP IPV6_TCLASS SO_REUSEPORT; do
   if ! grep "^const $m " ${OUT} >/dev/null 2>&1; then
     echo "const $m = 0" >> ${OUT}
   fi
 done
+for m in SOCK_CLOEXEC SOCK_NONBLOCK; do
+  if ! grep "^const $m " ${OUT} >/dev/null 2>&1; then
+    echo "const $m = -1" >> ${OUT}
+  fi
+done
+
+# The syscall package requires AF_LOCAL.
+if ! grep '^const AF_LOCAL ' ${OUT} >/dev/null 2>&1; then
+  if grep '^const AF_UNIX ' ${OUT} >/dev/null 2>&1; then
+    echo "const AF_LOCAL = AF_UNIX" >> ${OUT}
+  fi
+fi
 
 # pathconf constants.
 grep '^const __PC' gen-sysinfo.go |
   sed -e 's/^\(const \)__\(PC[^= ]*\)\(.*\)$/\1\2 = __\2/' >> ${OUT}
 
+# The PATH_MAX constant.
+if grep '^const _PATH_MAX ' gen-sysinfo.go >/dev/null 2>&1; then
+  echo 'const PathMax = _PATH_MAX' >> ${OUT}
+fi
+
 # epoll constants.
 grep '^const _EPOLL' gen-sysinfo.go |
   sed -e 's/^\(const \)_\(EPOLL[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
@@ -343,12 +439,50 @@ if ! grep '^const _PTRACE_TRACEME' ${OUT} > /dev/null 2>&1; then
   echo "const _PTRACE_TRACEME = 0" >> ${OUT}
 fi
 
+# A helper function that prints a structure from gen-sysinfo.go with the first
+# letter of the field names in upper case.  $1 is the name of structure.  If $2
+# is not empty, the structure or type is renamed to $2.
+upcase_fields () {
+  name="$1"
+  def=`grep "^type $name" gen-sysinfo.go`
+  fields=`echo $def | sed -e 's/^[^{]*{\(.*\)}$/\1/'`
+  prefix=`echo $def | sed -e 's/{.*//'`
+  if test "$2" != ""; then
+    prefix=`echo $prefix | sed -e "s/$1/$2/"`
+  fi
+  if test "$fields" != ""; then
+    nfields=
+    while test -n "$fields"; do
+      field=`echo $fields | sed -e 's/^\([^;]*\);.*$/\1/'`
+      fields=`echo $fields | sed -e 's/^[^;]*; *\(.*\)$/\1/'`
+      # capitalize the next character.
+      f=`echo $field | sed -e 's/^\(.\).*$/\1/'`
+      r=`echo $field | sed -e 's/^.\(.*\)$/\1/'`
+      f=`echo $f | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
+      field="$f$r"
+      nfields="$nfields $field;"
+    done
+    echo "${prefix} {$nfields }"
+  fi
+}
+
 # The registers returned by PTRACE_GETREGS.  This is probably
 # GNU/Linux specific; it should do no harm if there is no
 # _user_regs_struct.
 regs=`grep '^type _user_regs_struct struct' gen-sysinfo.go || true`
+if test "$regs" == ""; then
+  # s390
+  regs=`grep '^type __user_regs_struct struct' gen-sysinfo.go || true`
+  if test "$regs" != ""; then
+    # Substructures of __user_regs_struct on s390
+    upcase_fields "__user_psw_struct" "PtracePsw" >> ${OUT} || true
+    upcase_fields "__user_fpregs_struct" "PtraceFpregs" >> ${OUT} || true
+    upcase_fields "__user_per_struct" "PtracePer" >> ${OUT} || true
+  fi
+fi
 if test "$regs" != ""; then
-  regs=`echo $regs | sed -e 's/type _user_regs_struct struct //' -e 's/[{}]//g'`
+  regs=`echo $regs |
+    sed -e 's/type __*user_regs_struct struct //' -e 's/[{}]//g'`
   regs=`echo $regs | sed -e s'/^ *//'`
   nregs=
   while test -n "$regs"; do
@@ -359,6 +493,10 @@ if test "$regs" != ""; then
     r=`echo $field | sed -e 's/^.\(.*\)$/\1/'`
     f=`echo $f | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
     field="$f$r"
+    field=`echo "$field" | sed \
+      -e 's/__user_psw_struct/PtracePsw/' \
+      -e 's/__user_fpregs_struct/PtraceFpregs/' \
+      -e 's/__user_per_struct/PtracePer/'`
     nregs="$nregs $field;"
   done
   echo "type PtraceRegs struct {$nregs }" >> ${OUT}
@@ -378,7 +516,20 @@ echo "type Uid_t _uid_t" >> ${OUT}
 echo "type Gid_t _gid_t" >> ${OUT}
 echo "type Socklen_t _socklen_t" >> ${OUT}
 
-# The long type, needed because that is the type that ptrace returns.
+# The C int type.
+sizeof_int=`grep '^const ___SIZEOF_INT__ = ' gen-sysinfo.go | sed -e 's/.*= //'`
+if test "$sizeof_int" = "4"; then
+  echo "type _C_int int32" >> ${OUT}
+  echo "type _C_uint uint32" >> ${OUT}
+elif test "$sizeof_int" = "8"; then
+  echo "type _C_int int64" >> ${OUT}
+  echo "type _C_uint uint64" >> ${OUT}
+else
+  echo 1>&2 "mksysinfo.sh: could not determine size of int (got $sizeof_int)"
+  exit 1
+fi
+
+# The C long type, needed because that is the type that ptrace returns.
 sizeof_long=`grep '^const ___SIZEOF_LONG__ = ' gen-sysinfo.go | sed -e 's/.*= //'`
 if test "$sizeof_long" = "4"; then
   echo "type _C_long int32" >> ${OUT}
@@ -470,9 +621,9 @@ fi | sed -e 's/type _stat64/type Stat_t/' \
          -e 's/st_size/Size/' \
          -e 's/st_blksize/Blksize/' \
          -e 's/st_blocks/Blocks/' \
-         -e 's/st_atim/Atime/' \
-         -e 's/st_mtim/Mtime/' \
-         -e 's/st_ctim/Ctime/' \
+         -e 's/st_atim/Atim/' \
+         -e 's/st_mtim/Mtim/' \
+         -e 's/st_ctim/Ctim/' \
          -e 's/\([^a-zA-Z0-9_]\)_timeval\([^a-zA-Z0-9_]\)/\1Timeval\2/g' \
          -e 's/\([^a-zA-Z0-9_]\)_timespec_t\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
          -e 's/\([^a-zA-Z0-9_]\)_timespec\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
@@ -506,6 +657,8 @@ grep '^const _DT_' gen-sysinfo.go |
 # The rusage struct.
 rusage=`grep '^type _rusage struct' gen-sysinfo.go`
 if test "$rusage" != ""; then
+  # Remove anonymous unions from GNU/Linux <bits/resource.h>.
+  rusage=`echo $rusage | sed -e 's/Godump_[0-9][0-9]* struct {\([^}]*\)};/\1/g'`
   rusage=`echo $rusage | sed -e 's/type _rusage struct //' -e 's/[{}]//g'`
   rusage=`echo $rusage | sed -e 's/^ *//'`
   nrusage=
@@ -593,12 +746,7 @@ grep '^const _SCM_' gen-sysinfo.go | \
   sed -e 's/^\(const \)_\(SCM_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 
 # The ucred struct.
-grep '^type _ucred ' gen-sysinfo.go | \
-    sed -e 's/_ucred/Ucred/' \
-      -e 's/pid/Pid/' \
-      -e 's/uid/Uid/' \
-      -e 's/gid/Gid/' \
-    >> ${OUT}
+upcase_fields "_ucred" "Ucred" >> ${OUT} || true
 
 # The ip_mreq struct.
 grep '^type _ip_mreq ' gen-sysinfo.go | \
@@ -640,6 +788,18 @@ if ! grep 'type IPMreqn ' ${OUT} >/dev/null 2>&1; then
   echo 'type IPMreqn struct { Multiaddr [4]byte; Interface [4]byte; Ifindex int32 }' >> ${OUT}
 fi
 
+# The icmp6_filter struct.
+grep '^type _icmp6_filter ' gen-sysinfo.go | \
+    sed -e 's/_icmp6_filter/ICMPv6Filter/' \
+      -e 's/data/Data/' \
+      -e 's/filt/Filt/' \
+    >> ${OUT}
+
+# We need ICMPv6Filter to compile the syscall package.
+if ! grep 'type ICMPv6Filter ' ${OUT} > /dev/null 2>&1; then
+  echo 'type ICMPv6Filter struct { Data [8]uint32 }' >> ${OUT}
+fi
+
 # Try to guess the type to use for fd_set.
 fd_set=`grep '^type _fd_set ' gen-sysinfo.go || true`
 fds_bits_type="_C_long"
@@ -676,10 +836,55 @@ if ! grep '^const TIOCGWINSZ' ${OUT} >/dev/null 2>&1; then
     echo 'const TIOCGWINSZ = _TIOCGWINSZ_val' >> ${OUT}
   fi
 fi
+if ! grep '^const TIOCSWINSZ' ${OUT} >/dev/null 2>&1; then
+  if grep '^const _TIOCSWINSZ_val' ${OUT} >/dev/null 2>&1; then
+    echo 'const TIOCSWINSZ = _TIOCSWINSZ_val' >> ${OUT}
+  fi
+fi
+if ! grep '^const TIOCNOTTY' ${OUT} >/dev/null 2>&1; then
+  if grep '^const _TIOCNOTTY_val' ${OUT} >/dev/null 2>&1; then
+    echo 'const TIOCNOTTY = _TIOCNOTTY_val' >> ${OUT}
+  fi
+fi
+if ! grep '^const TIOCSCTTY' ${OUT} >/dev/null 2>&1; then
+  if grep '^const _TIOCSCTTY_val' ${OUT} >/dev/null 2>&1; then
+    echo 'const TIOCSCTTY = _TIOCSCTTY_val' >> ${OUT}
+  fi
+fi
+if ! grep '^const TIOCGPTN' ${OUT} >/dev/null 2>&1; then
+  if grep '^const _TIOCGPTN_val' ${OUT} >/dev/null 2>&1; then
+    echo 'const TIOCGPTN = _TIOCGPTN_val' >> ${OUT}
+  fi
+fi
+if ! grep '^const TIOCSPTLCK' ${OUT} >/dev/null 2>&1; then
+  if grep '^const _TIOCSPTLCK_val' ${OUT} >/dev/null 2>&1; then
+    echo 'const TIOCSPTLCK = _TIOCSPTLCK_val' >> ${OUT}
+  fi
+fi
+if ! grep '^const TIOCGDEV' ${OUT} >/dev/null 2>&1; then
+  if grep '^const _TIOCGDEV_val' ${OUT} >/dev/null 2>&1; then
+    echo 'const TIOCGDEV = _TIOCGDEV_val' >> ${OUT}
+  fi
+fi
+if ! grep '^const TIOCSIG' ${OUT} >/dev/null 2>&1; then
+  if grep '^const _TIOCSIG_val' ${OUT} >/dev/null 2>&1; then
+    echo 'const TIOCSIG = _TIOCSIG_val' >> ${OUT}
+  fi
+fi
 
 # The ioctl flags for terminal control
-grep '^const _TC[GS]ET' gen-sysinfo.go | \
+grep '^const _TC[GS]ET' gen-sysinfo.go | grep -v _val | \
     sed -e 's/^\(const \)_\(TC[GS]ET[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
+if ! grep '^const TCGETS' ${OUT} >/dev/null 2>&1; then
+  if grep '^const _TCGETS_val' ${OUT} >/dev/null 2>&1; then
+    echo 'const TCGETS = _TCGETS_val' >> ${OUT}
+  fi
+fi
+if ! grep '^const TCSETS' ${OUT} >/dev/null 2>&1; then
+  if grep '^const _TCSETS_val' ${OUT} >/dev/null 2>&1; then
+    echo 'const TCSETS = _TCSETS_val' >> ${OUT}
+  fi
+fi
 
 # ioctl constants.  Might fall back to 0 if TIOCNXCL is missing, too, but
 # needs handling in syscalls.exec.go.
@@ -791,6 +996,7 @@ grep '^type _in_pktinfo ' gen-sysinfo.go | \
       -e 's/ipi_ifindex/Ifindex/' \
       -e 's/ipi_spec_dst/Spec_dst/' \
       -e 's/ipi_addr/Addr/' \
+      -e 's/_in_addr/[4]byte/g' \
     >> ${OUT}
 
 # The in6_pktinfo struct.
@@ -826,7 +1032,7 @@ for n in IGNBRK BRKINT IGNPAR PARMRK INPCK ISTRIP INLCR IGNCR ICRNL IUCLC \
     TCSAFLUSH TCIFLUSH TCOFLUSH TCIOFLUSH TCOOFF TCOON TCIOFF TCION B0 B50 \
     B75 B110 B134 B150 B200 B300 B600 B1200 B1800 B2400 B4800 B9600 B19200 \
     B38400 B57600 B115200 B230400 B460800 B500000 B576000 B921600 B1000000 \
-    B1152000 B1500000 B2000000 B2500000 B3000000 B4000000; do
+    B1152000 B1500000 B2000000 B2500000 B3000000 B3500000 B4000000; do
 
     grep "^const _$n " gen-sysinfo.go | \
 	sed -e 's/^\(const \)_\([^=]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
@@ -910,6 +1116,8 @@ grep '^type _rlimit ' gen-sysinfo.go | \
 # The RLIMIT constants.
 grep '^const _RLIMIT_' gen-sysinfo.go |
     sed -e 's/^\(const \)_\(RLIMIT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
+grep '^const _RLIM_' gen-sysinfo.go |
+    sed -e 's/^\(const \)_\(RLIM_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 
 # The sysinfo struct.
 grep '^type _sysinfo ' gen-sysinfo.go | \
@@ -953,6 +1161,10 @@ grep '^type _utimbuf ' gen-sysinfo.go | \
 grep '^const _LOCK_' gen-sysinfo.go |
     sed -e 's/^\(const \)_\(LOCK_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 
+# The PRIO constants.
+grep '^const _PRIO_' gen-sysinfo.go | \
+  sed -e 's/^\(const \)_\(PRIO_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
+
 # The GNU/Linux LINUX_REBOOT flags.
 grep '^const _LINUX_REBOOT_' gen-sysinfo.go |
     sed -e 's/^\(const \)_\(LINUX_REBOOT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
@@ -990,6 +1202,7 @@ grep '^type _nlmsgerr ' gen-sysinfo.go | \
     sed -e 's/_nlmsgerr/NlMsgerr/' \
       -e 's/error/Error/' \
       -e 's/msg/Msg/' \
+      -e 's/_nlmsghdr/NlMsghdr/' \
     >> ${OUT}
 
 # The GNU/Linux rtnexthop struct.
@@ -1004,6 +1217,8 @@ grep '^type _rtnexthop ' gen-sysinfo.go | \
 # The GNU/Linux netlink flags.
 grep '^const _NETLINK_' gen-sysinfo.go | \
   sed -e 's/^\(const \)_\(NETLINK_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
+grep '^const _NLA_' gen-sysinfo.go | \
+  sed -e 's/^\(const \)_\(NLA_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 
 # The GNU/Linux packet socket flags.
 grep '^const _PACKET_' gen-sysinfo.go | \
@@ -1018,20 +1233,21 @@ grep '^type _inotify_event ' gen-sysinfo.go | \
       -e 's/len/Len/' \
       -e 's/name/Name/' \
       -e 's/\[\]/[0]/' \
+      -e 's/\[0\]byte/[0]int8/' \
     >> ${OUT}
 
-# The Solaris 11 Update 1 _zone_net_addr_t struct.
-grep '^type _zone_net_addr_t ' gen-sysinfo.go | \
-    sed -e 's/_in6_addr/[16]byte/' \
-    >> ${OUT}
+# The GNU/Linux CLONE flags.
+grep '^const _CLONE_' gen-sysinfo.go | \
+  sed -e 's/^\(const \)_\(CLONE_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 
 # Struct sizes.
 set cmsghdr Cmsghdr ip_mreq IPMreq ip_mreqn IPMreqn ipv6_mreq IPv6Mreq \
     ifaddrmsg IfAddrmsg ifinfomsg IfInfomsg in_pktinfo Inet4Pktinfo \
-    in6_pktinfo Inet6PktInfo inotify_event InotifyEvent linger Linger \
+    in6_pktinfo Inet6Pktinfo inotify_event InotifyEvent linger Linger \
     msghdr Msghdr nlattr NlAttr nlmsgerr NlMsgerr nlmsghdr NlMsghdr \
     rtattr RtAttr rtgenmsg RtGenmsg rtmsg RtMsg rtnexthop RtNexthop \
-    sock_filter SockFilter sock_fprog SockFprog ucred Ucred
+    sock_filter SockFilter sock_fprog SockFprog ucred Ucred \
+    icmp6_filter ICMPv6Filter
 while test $# != 0; do
     nc=$1
     ngo=$2
@@ -1053,5 +1269,8 @@ fi
 if ! grep 'const SizeofIPMreqn ' ${OUT} >/dev/null 2>&1; then
     echo 'const SizeofIPMreqn = 12' >> ${OUT}
 fi
+if ! grep 'const SizeofICMPv6Filter ' ${OUT} >/dev/null 2>&1; then
+    echo 'const SizeofICMPv6Filter = 32' >> ${OUT}
+fi
 
 exit $?