Ninja equivalent of Make's “build from this directory down” feature (with CMake)?

Question

When building a project using CMake and Make, you can execute make from a subdirectory of your build tree (i.e. from a directory below whatever directory contains y

Answer 1

ninja

/all works with recent versions of Ninja (1.7.2). Version 1.3.4 does not allow this.

I could not find a reference to this on the manual. However, CMake has this documented here:

Recent versions of the ninja program can build the project through the “all” target. An “install” target is also provided.

For each subdirectory sub/dir of the project, additional targets are generated:

• sub/dir/all
  Depends on all targets required by the subdirectory.
• sub/dir/install
  Runs the install step in the subdirectory, if any.
• sub/dir/test
  Runs the test step in the subdirectory, if any.
• sub/dir/package
  Runs the package step in the subdirectory, if any.