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Diffstat (limited to 'docs/markdown')
| -rw-r--r-- | docs/markdown/snippets/configure_file_overwrite_warning.md | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/docs/markdown/snippets/configure_file_overwrite_warning.md b/docs/markdown/snippets/configure_file_overwrite_warning.md new file mode 100644 index 0000000..550407d --- /dev/null +++ b/docs/markdown/snippets/configure_file_overwrite_warning.md @@ -0,0 +1,39 @@ +## Meson warns if two calls to configure_file() write to the same file + +If two calls to [`configure_file()`](#Reference-manual.md#configure_file) +write to the same file Meson will print a `WARNING:` message during +configuration. For example: +```meson +project('configure_file', 'cpp') + +configure_file( + input: 'a.in', + output: 'out', + command: ['./foo.sh'] + ) +configure_file( + input: 'a.in', + output: 'out', + command: ['./foo.sh'] +) + +``` + +This will output: + +``` +The Meson build system +Version: 0.47.0.dev1 +Source dir: /path/to/srctree +Build dir: /path/to/buildtree +Build type: native build +Project name: configure_file +Project version: undefined +Build machine cpu family: x86_64 +Build machine cpu: x86_64 +Configuring out with command +WARNING: Output file out for configure_file overwritten. First time written in line 3 now in line 8 +Configuring out with command +Build targets in project: 0 +Found ninja-1.8.2 at /usr/bin/ninja +``` |