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Re: [PATCH] meson.build: Don't look for libudev for static builds
From: |
Paolo Bonzini |
Subject: |
Re: [PATCH] meson.build: Don't look for libudev for static builds |
Date: |
Fri, 2 Oct 2020 16:08:51 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.11.0 |
On 02/10/20 15:09, Peter Maydell wrote:
> This duplicates the information that the thing that depends
> on libudev is mpath. Can we put this in a wrapper around
> dependency() so that we could just say something like
> libudev = compile_checked_dependency('libudev',
> required: get_option('mpath').enabled(),
> static: enable_static)
>
> for those dependencies that want to do the "does this compile"
> check ?
No, there's no functions at all. You can of course put the detection and
test in a single loop:
dependencies = {}
...
if targetos == 'linux' and (have_system or have_tools)
dependencies += {'libudev': 'mpath'}
endif
...
skeleton = 'int main(void) { return 0; }'
foreach var, option: dependencies
dep = dependency(var,
required: get_option(option).enabled(),
static: enable_static)
if dep.found() and enable_static and not cc.links(skeleton, dependencies:
get_variable(var))
if get_option(option).enabled()
error('Cannot link with @0@'.format(var))
else
warning('Cannot link with @0@, disabling'.format(skeleton))
set_variable(var, not_found)
endif
endif
endif
endforeach
Doing this check for all libraries is certainly a good idea.
Paolo
- [PATCH] meson.build: Don't look for libudev for static builds, Peter Maydell, 2020/10/02
- Re: [PATCH] meson.build: Don't look for libudev for static builds, Yonggang Luo, 2020/10/02
- Re: [PATCH] meson.build: Don't look for libudev for static builds, Paolo Bonzini, 2020/10/02
- Re: [PATCH] meson.build: Don't look for libudev for static builds, Paolo Bonzini, 2020/10/02
- Re: [PATCH] meson.build: Don't look for libudev for static builds, Peter Maydell, 2020/10/02
- Re: [PATCH] meson.build: Don't look for libudev for static builds,
Paolo Bonzini <=
- Re: [PATCH] meson.build: Don't look for libudev for static builds, Peter Maydell, 2020/10/02
- Re: [PATCH] meson.build: Don't look for libudev for static builds, Paolo Bonzini, 2020/10/02
- Re: [PATCH] meson.build: Don't look for libudev for static builds, Peter Maydell, 2020/10/02
- Re: [PATCH] meson.build: Don't look for libudev for static builds, Yonggang Luo, 2020/10/03
- Re: [PATCH] meson.build: Don't look for libudev for static builds, Paolo Bonzini, 2020/10/03
- Re: [PATCH] meson.build: Don't look for libudev for static builds, Yonggang Luo, 2020/10/03
- Re: [PATCH] meson.build: Don't look for libudev for static builds, Paolo Bonzini, 2020/10/03
- Re: [PATCH] meson.build: Don't look for libudev for static builds, Yonggang Luo, 2020/10/03
- Re: [PATCH] meson.build: Don't look for libudev for static builds, Paolo Bonzini, 2020/10/03
- Re: [PATCH] meson.build: Don't look for libudev for static builds, Yonggang Luo, 2020/10/03