https://github.com/alexbuccheri/cmake-externalproject-example

An example of CMake's ExternalProject
https://github.com/alexbuccheri/cmake-externalproject-example

Last synced: about 2 months ago
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An example of CMake's ExternalProject

• Host: GitHub
• URL: https://github.com/alexbuccheri/cmake-externalproject-example
• Owner: AlexBuccheri
• Created: 2023-02-10T18:08:43.000Z (almost 2 years ago)
• Default Branch: main
• Last Pushed: 2023-02-10T18:09:06.000Z (almost 2 years ago)
• Last Synced: 2024-10-28T10:28:31.087Z (3 months ago)
• Language: CMake
• Size: 1000 Bytes
• Stars: 0
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# README

This repository demos how to build an external library with CMake's `ExternalProject_add`.

As a specific example, it clones, builds and installs [LibXC](https://tddft.org/programs/libxc/).

Note, cloning LIBXC is quite slow.

`ExternalProject_ad`d runs at build time (make), not configure time. For configure time, see [FetchContent](https://cmake.org/cmake/help/latest/module/FetchContent.html)

## Instructions

In this project's root directory:

```bash

mkdir build && cd build

# Configure build

cmake ../

# Only build the target

cmake --build . --target INTERNAL_LIBXC5

# Note, one can run this from the project root with:

# cmake --build build/ --target INTERNAL_LIBXC5

```

LIBXC is cloned into `external/`, built in  CMake's binary directort (set to `build/` in this example), but installed

in a folder that CMake adds to `external/`. This might not be best-practice, but is appropriate for the context