Repository navigation
Compiler Option O 2
Paul Squires edited this page Oct 14, 2026
·
3 revisions
Home › Compiler Option: -O
Set the optimization level for GCC
Syntax
-O < level >
Parameters
level
The optimization level: 0, 1, 2, 3 or max (3).
Description
Specifies the optimization level to be passed to GCC when using -gen gcc.
See also
Reproduced from the FreeBASIC Wiki Manual under the GNU Free Documentation License 1.3 — with no Invariant Sections, no Front-Cover Texts and no Back-Cover Texts. Copyright © the FreeBASIC project and wiki contributors. See License.
tiko-lang · Home · Feature Index · Keyword Index · License
FreeBASIC manual pages reproduced under the GNU FDL 1.3.
- Generics
- Interfaces
- For Each
- Iterators
- Tuples
- Array Results
- Defer
- Lambdas
- Block Strings
- Partial Types
- String Slices
- Embed
- Typed Variadics
- C Header Import
- Foreign Library Linking
- UString
- Fixed-Width Types
- Nullptr
- String Library
- Format
- Array
- Map
- Set
- LinkedList
- OrderedMap
- OrderedSet
- Sorting
- Optional
- Result
- Smart Pointers
- Date and Time (Chrono)
- Filesystem
- File Streams
- Config (INI and TOML)
- Codec
- Hash
- UUID
- OS
- Process
- Net
- HTTP and TLS
- Math Library
- Finance
- Logging
- Terminal TUI Library
- PsControls
- tkControls
- sys/win
- Goroutines and Channels
- LLVM Backend
- tiko build
- TIKO_COMPILER
- Variable Declarations
- Standard Data Types
- User Defined Types
- Procedures
- Operators
- Control Flow Statements
- Converting Data Types
- Array Functions
- String Functions
- Mathematical Functions
- Bit Manipulation
- Date and Time Functions
- File I/O Functions
- Console Functions
- User Input (Runtime Library)
- User Input Functions (Graphics Library)
- Screen Functions
- 2D Drawing Functions
- Graphics Library Reference
- Graphics Keyword List
- Memory Functions
- Threading Support Functions
- Error Handling Functions
- Operating System Functions
- Preprocessor
- Intrinsic Defines
- Miscellaneous Keywords
- Modularizing