ClickHouse/docs/en/development/build-osx.md
2021-01-21 22:32:17 +03:00

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---
toc_priority: 65
toc_title: Build on Mac OS X
---
# How to Build ClickHouse on Mac OS X {#how-to-build-clickhouse-on-mac-os-x}
Build should work on Mac OS X 10.15 (Catalina).
## Install Homebrew {#install-homebrew}
``` bash
$ /usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
```
## Install Required Compilers, Tools, and Libraries {#install-required-compilers-tools-and-libraries}
``` bash
$ brew install cmake ninja libtool gettext llvm
```
## Checkout ClickHouse Sources {#checkout-clickhouse-sources}
``` bash
$ git clone --recursive git@github.com:ClickHouse/ClickHouse.git
```
or
``` bash
$ git clone --recursive https://github.com/ClickHouse/ClickHouse.git
$ cd ClickHouse
```
## Build ClickHouse {#build-clickhouse}
> Please note: ClickHouse doesn't support build with native Apple Clang compiler, we need use clang from LLVM.
``` bash
$ mkdir build
$ cd build
$ cmake ..-DCMAKE_C_COMPILER=`brew --prefix llvm`/bin/clang -DCMAKE_CXX_COMPILER=`brew --prefix llvm`/bin/clang++ -DCMAKE_PREFIX_PATH=`brew --prefix llvm`
$ ninja
$ cd ..
```
## Caveats {#caveats}
If you intend to run `clickhouse-server`, make sure to increase the systems maxfiles variable.
!!! info "Note"
Youll need to use sudo.
To do so, create the `/Library/LaunchDaemons/limit.maxfiles.plist` file with the following content:
``` xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN"
"http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>Label</key>
<string>limit.maxfiles</string>
<key>ProgramArguments</key>
<array>
<string>launchctl</string>
<string>limit</string>
<string>maxfiles</string>
<string>524288</string>
<string>524288</string>
</array>
<key>RunAtLoad</key>
<true/>
<key>ServiceIPC</key>
<false/>
</dict>
</plist>
```
Execute the following command:
``` bash
$ sudo chown root:wheel /Library/LaunchDaemons/limit.maxfiles.plist
```
Reboot.
To check if its working, you can use `ulimit -n` command.
[Original article](https://clickhouse.tech/docs/en/development/build_osx/) <!--hide-->