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Diffstat (limited to 'doc')
| -rw-r--r-- | doc/manual.asciidoc | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/doc/manual.asciidoc b/doc/manual.asciidoc index ff197b1..7fd2715 100644 --- a/doc/manual.asciidoc +++ b/doc/manual.asciidoc @@ -502,9 +502,9 @@ Note that dependencies as loaded through depfiles have slightly different semantics, as described in the <<ref_rule,rule reference>>. 3. _Order-only dependencies_, expressed with the syntax +|| _dep1_ - _dep2_+ on the end of a build line. When these are missing, the - output is not rebuilt until they are built, but once they are - available further changes to the files do not affect the output. + _dep2_+ on the end of a build line. When these are out of date, the + output is not rebuilt until they are built, but changes in order-only + dependencies alone do not cause the output to be rebuilt. + Order-only dependencies can be useful for bootstrapping dependencies that are only discovered during build time: for example, to generate a |