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docs: Update installation section

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Dennis Klein 2023-12-14 13:15:18 +00:00
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README.md
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@ -45,9 +45,9 @@ Recommended:
```bash
git clone https://github.com/FairRootGroup/FairMQ fairmq_source
cmake -S fairmq_source -B fairmq_build -GNinja -DCMAKE_BUILD_TYPE=Release
cmake -S fairmq_source -B fairmq_build -GNinja -DCMAKE_BUILD_TYPE=Release [-DBUILD_TESTING=ON]
cmake --build fairmq_build
ctest --test-dir fairmq_build --output-on-failure --schedule-random -j<ncpus>
[ctest --test-dir fairmq_build --output-on-failure --schedule-random -j<ncpus>] # needs -DBUILD_TESTING=ON
cmake --install fairmq_build --prefix $(pwd)/fairmq_install
```
@ -56,6 +56,24 @@ Please consult the [manpages of your CMake version](https://cmake.org/cmake/help
If dependencies are not installed in standard system directories, you can hint the installation location via
`-DCMAKE_PREFIX_PATH=...` or per dependency via `-D{DEPENDENCY}_ROOT=...` (`*_ROOT` variables can also be environment variables).
## Installation via Spack
Prerequisite: [Spack](https://spack.readthedocs.io/en/latest/getting_started.html)
```bash
spack info fairmq # inspect build options
spack install fairmq # build latest packaged version with default options
```
Build FairMQ's dependencies via Spack for development:
```bash
git clone -b dev https://github.com/FairRootGroup/FairMQ fairmq_source
spack --env fairmq_source install # installs deps declared in fairmq_source/spack.yaml
spack env activate fairmq_source # sets $CMAKE_PREFIX_PATH which is used by CMake to find FairMQ's deps
cmake -S fairmq_source -B fairmq_build -GNinja -DCMAKE_BUILD_TYPE=Debug -DBUILD_TESTING=ON
# develop, compile, test
spack env deactivate # at end of dev session, or simply close the shell
```
## Usage