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Editorial Team
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Asked: 2026-05-23T16:41:10+00:00

I assume this is the same for sqlite3.dll or sqlite3.lib, but if not, I

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I assume this is the same for sqlite3.dll or sqlite3.lib, but if not, I am interested in sqlite3.o (mingw32).

How can I minimize the size of the library (compiling with -O3, since speed is my top concern, so different compiler optimizations is not an option)?
If I know there are parts of SQL I don’t need in my program (like JOIN or ATTACH or triggers), can I remove support for them (this is for an embedded system and every byte counts, or at least every 100 bytes or so)?
What pre-processor options can I set to remove things like FTS or R-Tree support which I do not need? Do I set them at the command line or in the file?
Are there any other things easily removable that I might not need and might not even know they exist in order to remove them?
How about some of the C API? Most of it I never use.

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  1. Editorial Team

    Please look here. There’s a chapter “Options to omit features”. You’ll find for example SQLITE_OMIT_ATTACH there.

    But please note the warning there. It says

    the SQLITE_OMIT_* compile-time options are usually untested and are
    almost certainly untested in combination. Any or all of these options
    may be removed from the code in future releases and without warning.
    For any particular release, some of these options may cause
    compile-time or run-time failures, particularly when used in
    combination with other options.

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