vergen | Generate cargo instructions at compile time | Continous Integration library
kandi X-RAY | vergen Summary
kandi X-RAY | vergen Summary
Generate build, git, rustc, cargo, and sysinfo related cargo:rustc-env instructions via build.rs for use in your code via the env! macro or option_env! macro.
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Community Discussions
Trending Discussions on vergen
QUESTION
I'm trying to setup a simple CLI program in Rust, but I want it to display the version based on the info in git describe
rather than whatever is it the Cargo.toml file.
I setup some basic dependencies:
...ANSWER
Answered 2020-Apr-23 at 13:45The [version = "version"]
notation in the manual means that we need to write #[structopt(version = "version")]
to specify a string of the version number:
QUESTION
When I try to cargo build
the 'hello world' of amethyst on Ubuntu 18.04, I get an error about missing libraries from lxbcb. I'm not sure what this error is trying to tell me or how to fix it. It seems like I'm missing libraries -lxcb-render
, -lxcb-shap
, and -lxcb-xfixes
, but I can't seem to find them.
The hello world code of amethyst
...ANSWER
Answered 2019-Apr-21 at 06:53It looks like I missed installing some dependencies.
sudo apt install pkg-config libasound2-dev libssl-dev cmake libfreetype6-dev libexpat1-dev libxcb-composite0-dev
QUESTION
I am trying to embed a version number into a library. Ideally, this should be a static C string that can be read and doesn't need any additional allocation for reading the version number.
On the Rust side, I am using vergen
to generate the versioning information like this:
ANSWER
Answered 2018-Dec-04 at 15:32By ensuring that the static string slice is compatible with a C-style string (as in, it ends with the null terminator byte \0
), we can safely fetch a pointer to the beginning of the slice and pass that across the boundary.
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No vulnerabilities reported
Install vergen
Rust is installed and managed by the rustup tool. Rust has a 6-week rapid release process and supports a great number of platforms, so there are many builds of Rust available at any time. Please refer rust-lang.org for more information.
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