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| Option | Notes |
|---|---|
| -fPIC | Shared objects for ARM must use position-independent code. ld will check to make sure you've used it. |
| -Wno-psabi | Prevents warnings about the implementation of stdarg. |
| -Wall | Enables all other warnings. |
-march=armv7-a -mtune=cortex-a9 | Produce assembly code for the ARM Cortex-A9. |
| -DEXPORT='__attribute__((visibility("default")))' | Use this macro in declarations in order to put the corresponding symbols into the dynamic symbol table. |
| -fvisibility=hidden | "Hidden" visibility for all symbols except those explicitly exported. |
Assembly code
| Option | Notes |
|---|---|
| -x assembler-with-cpp | Allow preprocessor directives in the input source code. |
| -P | Omit #line directives in the preprocessor output, the assembler doesn't accept them. |
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