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30 lines
988 B
30 lines
988 B
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short-description: Instructions on handling include directories |
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# Include directories |
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Most `C`/`C++` projects have headers in different directories than |
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sources. Thus you need to specify include directories. Let's assume |
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that we are at some subdirectory and wish to add its `include` |
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subdirectory to some target's search path. To create a include |
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directory object we do this: |
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```meson |
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incdir = include_directories('include') |
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``` |
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The `incdir` variable now holds a reference to the `include` subdir. |
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Now we pass that as an argument to a build target: |
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```meson |
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executable('someprog', 'someprog.c', include_directories : incdir) |
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``` |
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Note that these two commands can be given in any subdirectories and it |
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will still work. Meson will keep track of the locations and generate |
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proper compiler flags to make it all work. |
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Another thing to note is that `include_directories` adds both the |
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source directory and corresponding build directory to include path, so |
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you don't have to care.
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