diff -ruN clickhouse.bak/Makefile clickhouse/Makefile
--- clickhouse.bak/Makefile	2020-09-06 18:37:37.963400000 +0300
+++ clickhouse/Makefile	2020-09-09 10:55:00.422045000 +0300
@@ -5,6 +5,7 @@
 PORTVERSION=	20.7.2.30
 DISTVERSIONPREFIX=	v
 DISTVERSIONSUFFIX=	-stable
+PORTREVISION=	1
 CATEGORIES=	databases
 
 MAINTAINER=	olevole@olevole.ru
diff -ruN clickhouse.bak/files/patch-cmake_freebsd_default__libs.cmake clickhouse/files/patch-cmake_freebsd_default__libs.cmake
--- clickhouse.bak/files/patch-cmake_freebsd_default__libs.cmake	1970-01-01 03:00:00.000000000 +0300
+++ clickhouse/files/patch-cmake_freebsd_default__libs.cmake	2020-09-09 10:50:45.665491000 +0300
@@ -0,0 +1,22 @@
+--- cmake/freebsd/default_libs.cmake.orig	2020-08-31 16:22:57 UTC
++++ cmake/freebsd/default_libs.cmake
+@@ -4,13 +4,13 @@ if (NOT COMPILER_CLANG)
+     message (FATAL_ERROR "FreeBSD build is supported only for Clang")
+ endif ()
+ 
+-if (${CMAKE_SYSTEM_PROCESSOR} STREQUAL "amd64")
+-    execute_process (COMMAND ${CMAKE_CXX_COMPILER} --print-file-name=libclang_rt.builtins-x86_64.a OUTPUT_VARIABLE BUILTINS_LIBRARY OUTPUT_STRIP_TRAILING_WHITESPACE)
+-else ()
+-    execute_process (COMMAND ${CMAKE_CXX_COMPILER} --print-file-name=libclang_rt.builtins-${CMAKE_SYSTEM_PROCESSOR}.a OUTPUT_VARIABLE BUILTINS_LIBRARY OUTPUT_STRIP_TRAILING_WHITESPACE)
+-endif ()
++#if (${CMAKE_SYSTEM_PROCESSOR} STREQUAL "amd64")
++#    execute_process (COMMAND ${CMAKE_CXX_COMPILER} --print-file-name=libclang_rt.builtins-x86_64.a OUTPUT_VARIABLE BUILTINS_LIBRARY OUTPUT_STRIP_TRAILING_WHITESPACE)
++#else ()
++#    execute_process (COMMAND ${CMAKE_CXX_COMPILER} --print-file-name=libclang_rt.builtins-${CMAKE_SYSTEM_PROCESSOR}.a OUTPUT_VARIABLE BUILTINS_LIBRARY OUTPUT_STRIP_TRAILING_WHITESPACE)
++#endif ()
+ 
+-set (DEFAULT_LIBS "${DEFAULT_LIBS} ${BUILTINS_LIBRARY} ${COVERAGE_OPTION} -lc -lm -lrt -lpthread")
++set (DEFAULT_LIBS "${DEFAULT_LIBS} ${BUILTINS_LIBRARY} ${COVERAGE_OPTION} -lc -lm -lrt -lpthread -lcompiler_rt -lprocstat")
+ 
+ message(STATUS "Default libraries: ${DEFAULT_LIBS}")
+ 
diff -ruN clickhouse.bak/files/patch-src_Common_MemoryStatisticsOS.cpp clickhouse/files/patch-src_Common_MemoryStatisticsOS.cpp
--- clickhouse.bak/files/patch-src_Common_MemoryStatisticsOS.cpp	1970-01-01 03:00:00.000000000 +0300
+++ clickhouse/files/patch-src_Common_MemoryStatisticsOS.cpp	2020-09-09 10:50:45.665809000 +0300
@@ -0,0 +1,127 @@
+--- src/Common/MemoryStatisticsOS.cpp.orig	2020-08-31 16:22:57 UTC
++++ src/Common/MemoryStatisticsOS.cpp
+@@ -1,7 +1,13 @@
+-#if defined(OS_LINUX)
+-
+ #include <sys/types.h>
+ #include <sys/stat.h>
++
++#ifdef OS_FREEBSD
++#include <sys/param.h>
++#include <sys/sysctl.h>
++#include <sys/user.h>
++#include <libprocstat.h>
++#endif
++
+ #include <fcntl.h>
+ #include <unistd.h>
+ #include <cassert>
+@@ -11,9 +17,10 @@
+ #include <Common/Exception.h>
+ #include <IO/ReadBufferFromMemory.h>
+ #include <IO/ReadHelpers.h>
+-#include <common/logger_useful.h>
+ 
+ 
++
++
+ namespace DB
+ {
+ 
+@@ -23,21 +30,40 @@ namespace ErrorCodes
+     extern const int CANNOT_OPEN_FILE;
+     extern const int CANNOT_READ_FROM_FILE_DESCRIPTOR;
+     extern const int CANNOT_CLOSE_FILE;
++#ifdef OS_FREEBSD
++    extern const int CANNOT_ALLOCATE_MEMORY;
++#endif
+ }
+ 
++#ifndef OS_FREEBSD
+ static constexpr auto filename = "/proc/self/statm";
+ static constexpr size_t PAGE_SIZE = 4096;
++#endif
+ 
+ MemoryStatisticsOS::MemoryStatisticsOS()
+ {
++#ifdef OS_FREEBSD
++    pstat = ::procstat_open_sysctl();
++    if (NULL == pstat)
++    {
++        throwFromErrno("Cannot open sysctl", ErrorCodes::CANNOT_ALLOCATE_MEMORY);
++    }
++#else
+     fd = ::open(filename, O_RDONLY | O_CLOEXEC);
+ 
+     if (-1 == fd)
+         throwFromErrno("Cannot open file " + std::string(filename), errno == ENOENT ? ErrorCodes::FILE_DOESNT_EXIST : ErrorCodes::CANNOT_OPEN_FILE);
++#endif
+ }
+ 
+ MemoryStatisticsOS::~MemoryStatisticsOS()
+ {
++#ifdef OS_FREEBSD
++    if (NULL != pstat)
++    {
++        ::procstat_close(pstat);
++    }
++#else
+     if (0 != ::close(fd))
+     {
+         try
+@@ -51,12 +77,43 @@ MemoryStatisticsOS::~MemoryStatisticsOS()
+             DB::tryLogCurrentException(__PRETTY_FUNCTION__);
+         }
+     }
++#endif
+ }
+ 
+ MemoryStatisticsOS::Data MemoryStatisticsOS::get() const
+ {
+     Data data;
+ 
++#ifdef OS_FREEBSD
++    size_t pagesize = ::getpagesize();
++    unsigned int count = 0;
++
++    struct kinfo_proc *kp;
++    struct kinfo_vmentry *kve;
++
++    kp = ::procstat_getprocs(pstat, KERN_PROC_PID, ::getpid(), &count);
++    if (NULL == kp)
++    {
++        throwFromErrno("Cannot get proc info", ErrorCodes::CANNOT_ALLOCATE_MEMORY);
++    }
++
++    kve = ::procstat_getvmmap(pstat, kp, &count);
++    if (NULL == kve)
++    {
++        ::procstat_freeprocs(pstat, kp);
++        throwFromErrno("Cannot get vmmap info", ErrorCodes::CANNOT_ALLOCATE_MEMORY);
++    }
++
++    data.virt = kp->ki_size;
++    data.resident =  kp->ki_rssize * pagesize;
++    data.shared = (kp->ki_rssize - kve->kve_private_resident) * pagesize;
++    data.code = kp->ki_tsize * pagesize;
++    data.data_and_stack = (kp->ki_dsize + kp->ki_ssize) * pagesize;
++
++    ::procstat_freevmmap(pstat, kve);
++    ::procstat_freeprocs(pstat, kp);
++#else
++
+     constexpr size_t buf_size = 1024;
+     char buf[buf_size];
+ 
+@@ -98,10 +155,8 @@ MemoryStatisticsOS::Data MemoryStatisticsOS::get() con
+     data.shared *= PAGE_SIZE;
+     data.code *= PAGE_SIZE;
+     data.data_and_stack *= PAGE_SIZE;
+-
++#endif
+     return data;
+ }
+ 
+ }
+-
+-#endif
diff -ruN clickhouse.bak/files/patch-src_Common_MemoryStatisticsOS.h clickhouse/files/patch-src_Common_MemoryStatisticsOS.h
--- clickhouse.bak/files/patch-src_Common_MemoryStatisticsOS.h	1970-01-01 03:00:00.000000000 +0300
+++ clickhouse/files/patch-src_Common_MemoryStatisticsOS.h	2020-09-09 10:50:45.666072000 +0300
@@ -0,0 +1,22 @@
+--- src/Common/MemoryStatisticsOS.h.orig	2020-08-31 16:22:57 UTC
++++ src/Common/MemoryStatisticsOS.h
+@@ -1,5 +1,4 @@
+ #pragma once
+-#if defined(OS_LINUX)
+ #include <cstdint>
+ 
+ 
+@@ -35,9 +34,12 @@ class MemoryStatisticsOS (public)
+     Data get() const;
+ 
+ private:
++#ifdef OS_FREEBSD
++    struct procstat * pstat;
++#else
+     int fd;
++#endif
+ };
+ 
+ }
+ 
+-#endif
diff -ruN clickhouse.bak/files/patch-src_Interpreters_AsynchronousMetrics.cpp clickhouse/files/patch-src_Interpreters_AsynchronousMetrics.cpp
--- clickhouse.bak/files/patch-src_Interpreters_AsynchronousMetrics.cpp	1970-01-01 03:00:00.000000000 +0300
+++ clickhouse/files/patch-src_Interpreters_AsynchronousMetrics.cpp	2020-09-09 10:50:45.666338000 +0300
@@ -0,0 +1,11 @@
+--- src/Interpreters/AsynchronousMetrics.cpp.orig	2020-08-31 16:22:57 UTC
++++ src/Interpreters/AsynchronousMetrics.cpp
+@@ -194,7 +194,7 @@ void AsynchronousMetrics::update()
+     new_values["Uptime"] = context.getUptimeSeconds();
+ 
+     /// Process memory usage according to OS
+-#if defined(OS_LINUX)
++#if defined(OS_LINUX) || defined(OS_FREEBSD)
+     {
+         MemoryStatisticsOS::Data data = memory_stat.get();
+ 
diff -ruN clickhouse.bak/files/patch-src_Interpreters_AsynchronousMetrics.h clickhouse/files/patch-src_Interpreters_AsynchronousMetrics.h
--- clickhouse.bak/files/patch-src_Interpreters_AsynchronousMetrics.h	1970-01-01 03:00:00.000000000 +0300
+++ clickhouse/files/patch-src_Interpreters_AsynchronousMetrics.h	2020-09-09 10:50:45.666589000 +0300
@@ -0,0 +1,11 @@
+--- src/Interpreters/AsynchronousMetrics.h.orig	2020-08-31 16:22:57 UTC
++++ src/Interpreters/AsynchronousMetrics.h
+@@ -50,7 +50,7 @@ class AsynchronousMetrics (private)
+     bool quit {false};
+     AsynchronousMetricValues values;
+ 
+-#if defined(OS_LINUX)
++#if defined(OS_LINUX) || defined(OS_FREEBSD)
+     MemoryStatisticsOS memory_stat;
+ #endif
+