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build: allow to override git-rev and timestamp build info

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javalsai
2025-07-21 18:30:28 +02:00
parent e529483c28
commit 947c92ce3f
2 changed files with 16 additions and 4 deletions
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docs/PACKAGERS.md
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@@ -38,6 +38,17 @@ Lidm attempts to support being built by `gcc` and `clang` with preference over t
Compiler flags should be passed with `CFLAGS`, its `-O3 -Wall` by default so adding anything will overwrite this.
## Build Metadata
`lidm -v` outputs some information about the build version, this can be weaked with `INFO_GIT_REV` and `INFO_BUILD_TS`, by default they are:
```make
INFO_GIT_REV?=$$(git describe --long --tags --always || echo '?')
INFO_BUILD_TS?=$$(date +%s)
```
But this can be changed by just passing those env variables, for example, in the case git is not applicable in the build environment of the package.
## Target Directory
`DESTDIR` can be used to for installation recipes to install on alternative root directories. Along with `PREFIX` (defaults to `/usr`) for systems which don't use the common `/usr` structure. e.g. `make install DESTDIR=$out PREFIX=`