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Simplify dependencies by pointing to Docker packages #1238

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Simplify dependencies by pointing to Docker packages
ferdymercury Aug 11, 2026
afe096a
add brew formula link
ferdymercury Aug 11, 2026
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28 changes: 23 additions & 5 deletions install/dependencies.md
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Original file line number Diff line number Diff line change
Expand Up @@ -31,10 +31,14 @@ we recommend checking the [docker image repository](https://github.com/root-proj
- GCC 4.8 or later is supported
- Clang 3.4 or later is supported

## Fedora, Scientific Linux and CentOS
## Fedora, Alma, Scientific Linux and CentOS

Use `yum install <package>` or the graphical "Add/Remove Software" program.

Check out the [packages used](https://github.com/search?q=repo%3Aroot-project%2Froot-ci-images+%28path%3Afedora*%2Fpackages.txt+OR+path%3Arawhide*%2Fpackages.txt+OR+path%3Aalma*%2Fpackages.txt%29&type=code) for the Dockerfile build.

<details>
<summary>Old instructions</summary>
### Required packages

* **make:** for /usr/bin/make
Expand Down Expand Up @@ -81,6 +85,7 @@ xrootd-client-devel xrootd-libs-devel
* **graphviz-devel:** for /usr/include/graphviz/gvc.h and for /usr/lib/libgvc.so
* **qt5-qtwebengine-devel:** required for **qt5web** component
* **curl-devel:** for HTTP remote access
* **civetweb-devel** for e.g. webgui

As a one-liner for Fedora 33:
```bash
Expand All @@ -103,11 +108,16 @@ avahi-compat-libdns_sd-devel openldap-devel python-devel python3-numpy \
libxml2-devel gsl-devel readline-devel qt5-qtwebengine-devel \
R-devel R-Rcpp-devel R-RInside-devel
```
</details>

## Ubuntu and other Debian-based distributions

Use `sudo apt install <package>` or use the graphical "Synaptic Package Manager" program.

Check out the [packages used](https://github.com/search?q=repo%3Aroot-project%2Froot-ci-images+%28path%3Aubuntu*%2Fpackages.txt+OR+path%3Adebian*%2Fpackages.txt%29&type=code) for the Dockerfile build.

<details>
<summary>Old instructions</summary>
### Required packages

**Installing required packages with a one-liner:**
Expand All @@ -129,9 +139,9 @@ sudo apt install gfortran libpcre3-dev \
libglu1-mesa-dev libglew-dev libftgl-dev \
libfftw3-dev libcfitsio-dev libgraphviz-dev \
libavahi-compat-libdnssd-dev libldap2-dev \
python3-dev python3-numpy libxml2-dev libkrb5-dev \
python3-dev python3-numpy libxml2-dev libkrb5-dev \
libgsl-dev qtwebengine5-dev nlohmann-json3-dev libmysqlclient-dev \
libgl2ps-dev \
libgl2ps-dev libcivetweb-dev civetweb \
liblzma-dev libxxhash-dev liblz4-dev libzstd-dev libcurl4-openssl-dev
```

Expand All @@ -142,9 +152,16 @@ Some more context:
* **r-base:** needed for R bindings. In addition R packages **Rcpp** and **RInside** need to be installed.

**NOTE**: On Debian (>=13), substitute `libmysqlclient-dev` with `libmariadb-dev` and `libpcre3-dev` with `libpcre2-dev`.
</details>

## openSUSE

Use `sudo zypper install <package>` or use the graphical software manager.

Check out the [packages used](https://github.com/search?q=repo%3Aroot-project%2Froot-ci-images+path%3Aopensuse*%2Fpackages.txt&type=code) for the Dockerfile build.

<details>
<summary>Old instructions</summary>
Minimal set:

```bash
Expand All @@ -160,8 +177,9 @@ sudo zypper install gcc-fortran pcre-devel Mesa glew-devel libpng16-devel \
pkgconf-pkg-config libmariadb-devel fftw3-devel cfitsio-devel graphviz-devel \
libdns_sd avahi-compat-mDNSResponder-devel openldap2-devel python3-devel python3-numpy \
libxml2-devel krb5-devel gsl-devel chromium libQt5Gui-devel libqt5-qtwebengine-devel \
libcurl-devel
libcurl-devel civetweb civetweb-devel
```
</details>

## MacOS

Expand All @@ -182,7 +200,7 @@ cmake ../root
make -j8
```


Homebrew can be used to install most dependencies. Check out all required packages in the [official formula](https://github.com/Homebrew/homebrew-core/blob/main/Formula/r/root.rb).

## Windows

Expand Down
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