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ruby-oci8 works in Apple Silicon (macOS ARM64) now! #270

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Ruby-oci8 works in Apple Silicon now.
Eric-Guo Sep 2, 2025
aaeaeb0
Should allow 0.0.0.1 point change miss match between LIB and gem vers…
Eric-Guo Oct 12, 2015
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62 changes: 42 additions & 20 deletions docs/install-on-osx.md
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Install ruby-oci8 on macOS
=========================

**Note: Ruby-oci8 doesn't run on Apple Silicon because Oracle instant client
for Apple Silicon has not been released yet.**

Prerequisite
------------

* Command line tools for Xcode or Xcode (by executing `xcode-select --install`) or [Xcode]

Install Oracle Instant Client Packages
--------------------------------------

If you have installed [Homebrew], use the following command:
Download Oracle Instant Client Packages
---------------------------------------

Go [oracle site](https://www.oracle.com/database/technologies/instant-client/macos-arm64-downloads.html) and download:

* instantclient-basiclite-macos.arm64-23.3.0.23.09.dmg
* instantclient-sdk-macos.arm64-23.3.0.23.09.dmg
* instantclient-sqlplus-macos.arm64-23.3.0.23.09.dmg

```shell
$ brew tap InstantClientTap/instantclient
$ brew install instantclient-basic # or instantclient-basiclite
$ brew install instantclient-sdk
$ brew install instantclient-sqlplus # (optionally)
Mount DMG package and prepare folder
------------------------------------

```bash
hdiutil mount ~/Downloads/instantclient-basiclite-macos.arm64-23.3.0.23.09.dmg
cd /Volumes/instantclient-basiclite-macos.arm64-23.3.0.23.09
sh ./install_ic.sh
```

Otherwise, look at this [page][OTN] and set the environment variable
`OCI_DIR` to point the the directory where instant client is installed.
Ruby-oci8 installation script checks the directory.
```bash
hdiutil mount ~/Downloads/instantclient-sdk-macos.arm64-23.3.0.23.09.dmg
cd /Volumes/instantclient-sdk-macos.arm64-23.3.0.23.09
sh ./install_ic.sh
```

```shell
export OCI_DIR=$HOME/Downloads/instantclient_19_8 # for example
```bash
hdiutil mount ~/Downloads/instantclient-sqlplus-macos.arm64-23.3.0.23.09.dmg
cd /Volumes/instantclient-sqlplus-macos.arm64-23.3.0.23.09
sh ./install_ic.sh
```

```bash
sudo mv ~/Downloads/instantclient_23_3 /opt
```

Install ruby-oci8
-----------------

Note that `/usr/bin/ruby` isn't available. You need to use [`rbenv`] or so.

```shell
$ gem install ruby-oci8
```bash
cd /usr/local/bin
sudo ln -s /opt/instantclient_23_3/sqlplus sqlplus
export OCI_DIR=/opt/instantclient_23_3
gem install ruby-oci8
```


Put tnsnames.ora
----------------

```bash
export TNS_ADMIN=/opt/instantclient_23_3/network/admin/
export NLS_LANG=AMERICAN_AMERICA.AL32UTF8 # avoid warning, optional
```

[Homebrew]: http://brew.sh/
[OTN]: https://www.oracle.com/database/technologies/instant-client/macos-intel-x86-downloads.html#ic_osx_inst
[Xcode]: https://apps.apple.com/us/app/xcode/id497799835
[`rbenv`]: https://github.com/rbenv/rbenv
2 changes: 1 addition & 1 deletion lib/oci8.rb
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end

require 'oci8/version.rb'
if OCI8::VERSION != OCI8::LIB_VERSION
if OCI8::VERSION.split('.').take(3).join('.') != OCI8::LIB_VERSION.split('.').take(3).join('.')
require 'rbconfig'
so_name = so_basename + "." + RbConfig::CONFIG['DLEXT']
raise "VERSION MISMATCH! #{so_name} version is #{OCI8::LIB_VERSION}, but oci8.rb version is #{OCI8::VERSION}."
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