[RFE] add --destdir option

[ignatenkobrain]

when we're packaging software we want to install it to %{buildroot}/%{_prefix}/.... and we can't set prefix to %{buildroot}/%{_prefix}/, because it can break auto-config files and etc.

P.S. %{buildroot} in RPM == $(DESTDIR) in automake

[jpakkane]

Meson already supports DESTDIR and it works exactly the same as with CMake and Autotools. Just do this:

DESTDIR=/your/staging/area ninja install

The installer for Meson itself takes a --destdir argument. I should probably make it behave the same.

[jpakkane]

So in your case roughly the following:

meson --prefix=%{_prefix}
ninja
ninja test
DESTDIR=%{buildroot} ninja install

[ignatenkobrain]

really, it works. Thanks!

can you add this to documentation?

[jpakkane]

Fixed.