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Diffstat (limited to 'docs/markdown')
| -rw-r--r-- | docs/markdown/Reference-manual.md | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/docs/markdown/Reference-manual.md b/docs/markdown/Reference-manual.md index a02ad1c..e816795 100644 --- a/docs/markdown/Reference-manual.md +++ b/docs/markdown/Reference-manual.md @@ -1197,10 +1197,18 @@ be up to date on every build. Keywords are similar to `custom_target`. Meson will read the contents of `input`, substitute the `replace_string` with the detected revision number, and write the -result to `output`. This method returns an opaque -[`custom_target`](#custom_target) object that can be used as -source. If you desire more specific behavior than what this command -provides, you should use `custom_target`. +result to `output`. This method returns a +[`custom_target`](#custom_target) object that (as usual) should be +used to signal dependencies if other targets use the file outputted +by this. + +For example, if you generate a header with this and want to use that in +a build target, you must add the return value to the sources of that +build target. Without that, Meson will not know the order in which to +build the targets. + +If you desire more specific behavior than what this command provides, +you should use `custom_target`. ## Built-in objects |