ClickHouse/docs/en/development/build_osx.md

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# How to Build ClickHouse on Mac OS X
Build should work on Mac OS X 10.12.
## Install Homebrew
```bash
$ /usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
```
## Install Required Compilers, Tools, and Libraries
```bash
$ brew install cmake ninja libtool gettext readline
```
## Checkout ClickHouse Sources
```bash
$ git clone --recursive git@github.com:yandex/ClickHouse.git
```
or
```bash
$ git clone --recursive https://github.com/yandex/ClickHouse.git
$ cd ClickHouse
```
For the latest stable version, switch to the `stable` branch.
## Build ClickHouse
```bash
$ mkdir build
$ cd build
$ cmake .. -DCMAKE_CXX_COMPILER=`which clang++` -DCMAKE_C_COMPILER=`which clang`
$ ninja
$ cd ..
```
## Caveats
If you intend to run clickhouse-server, make sure to increase the system's maxfiles variable.
!!! info "Note"
You'll need to use sudo.
To do so, create the following file:
/Library/LaunchDaemons/limit.maxfiles.plist:
```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 it's working, you can use `ulimit -n` command.
[Original article](https://clickhouse.yandex/docs/en/development/build_osx/) <!--hide-->