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40 lines
951 B
40 lines
951 B
7 years ago
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## Meson warns if two calls to configure_file() write to the same file
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If two calls to [`configure_file()`](#Reference-manual.md#configure_file)
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write to the same file Meson will print a `WARNING:` message during
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configuration. For example:
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```meson
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project('configure_file', 'cpp')
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configure_file(
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input: 'a.in',
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output: 'out',
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command: ['./foo.sh']
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)
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configure_file(
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input: 'a.in',
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output: 'out',
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command: ['./foo.sh']
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)
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```
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This will output:
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```
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The Meson build system
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Version: 0.47.0.dev1
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Source dir: /path/to/srctree
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Build dir: /path/to/buildtree
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Build type: native build
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Project name: configure_file
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Project version: undefined
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Build machine cpu family: x86_64
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Build machine cpu: x86_64
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Configuring out with command
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WARNING: Output file out for configure_file overwritten. First time written in line 3 now in line 8
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Configuring out with command
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Build targets in project: 0
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Found ninja-1.8.2 at /usr/bin/ninja
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```
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