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meson: Differentiate top-level and custom targets
- 3b28dad70e2f 19 (unreleased) landed
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meson html:alias vs. html:custom
Peter Eisentraut <peter@eisentraut.org> — 2026-04-14T08:08:22Z
When I run meson compile -C build html I get this error message: INFO: autodetecting backend as ninja ERROR: Can't invoke target `html`: ambiguous name. Add target type and/or path: - ./doc/src/sgml/html:custom - ./doc/src/sgml/html:alias If I follow that advice and run meson compile -C build html:alias or html:custom, then it works. The setup in doc/src/sgml/meson.build is html = custom_target('html', ...) alias_target('html', html) If I remove the alias_target, then my original command works. What is the purpose of this alias? (The equivalent problem exists for "man".) -
Re: meson html:alias vs. html:custom
Nazir Bilal Yavuz <byavuz81@gmail.com> — 2026-04-14T13:24:04Z
Hi, On Tue, 14 Apr 2026 at 11:08, Peter Eisentraut <peter@eisentraut.org> wrote: > > If I remove the alias_target, then my original command works. What is > the purpose of this alias? I think the main purpose was using these targets with the ninja command like: 'ninja ${target}'. ninja command doesn't work when the alias_target() is removed. -- Regards, Nazir Bilal Yavuz Microsoft -
Re: meson html:alias vs. html:custom
Álvaro Herrera <alvherre@kurilemu.de> — 2026-04-16T06:26:06Z
On 2026-04-14, Nazir Bilal Yavuz wrote: > On Tue, 14 Apr 2026 at 11:08, Peter Eisentraut <peter@eisentraut.org> wrote: >> >> If I remove the alias_target, then my original command works. What is >> the purpose of this alias? > > I think the main purpose was using these targets with the ninja > command like: 'ninja ${target}'. ninja command doesn't work when the > alias_target() is removed. I think this is kinda silly. I would rather rename the meson target (to, say, do_html) and make the alias reference that, so that both "meson compile html" and "ninja html" would use the alias. -- Álvaro Herrera -
Re: meson html:alias vs. html:custom
Nazir Bilal Yavuz <byavuz81@gmail.com> — 2026-04-16T07:46:07Z
Hi, On Thu, 16 Apr 2026 at 09:26, Álvaro Herrera <alvherre@kurilemu.de> wrote: > > On 2026-04-14, Nazir Bilal Yavuz wrote: > > > On Tue, 14 Apr 2026 at 11:08, Peter Eisentraut <peter@eisentraut.org> wrote: > >> > >> If I remove the alias_target, then my original command works. What is > >> the purpose of this alias? > > > > I think the main purpose was using these targets with the ninja > > command like: 'ninja ${target}'. ninja command doesn't work when the > > alias_target() is removed. > > I think this is kinda silly. I would rather rename the meson target (to, say, do_html) and make the alias reference that, so that both "meson compile html" and "ninja html" would use the alias. I agree with you. Here is a patch for fixing this problem with your suggestion. I added the '-custom' suffix instead of the 'do_' prefix, I think this makes it more concrete. -- Regards, Nazir Bilal Yavuz Microsoft -
Re: meson html:alias vs. html:custom
Peter Eisentraut <peter@eisentraut.org> — 2026-04-24T07:52:34Z
On 16.04.26 09:46, Nazir Bilal Yavuz wrote: > Hi, > > On Thu, 16 Apr 2026 at 09:26, Álvaro Herrera <alvherre@kurilemu.de> wrote: >> >> On 2026-04-14, Nazir Bilal Yavuz wrote: >> >>> On Tue, 14 Apr 2026 at 11:08, Peter Eisentraut <peter@eisentraut.org> wrote: >>>> >>>> If I remove the alias_target, then my original command works. What is >>>> the purpose of this alias? >>> >>> I think the main purpose was using these targets with the ninja >>> command like: 'ninja ${target}'. ninja command doesn't work when the >>> alias_target() is removed. >> >> I think this is kinda silly. I would rather rename the meson target (to, say, do_html) and make the alias reference that, so that both "meson compile html" and "ninja html" would use the alias. > > I agree with you. Here is a patch for fixing this problem with your > suggestion. I added the '-custom' suffix instead of the 'do_' prefix, > I think this makes it more concrete. Committed, thanks.