Hello, This adjusts vx-common.h to #define DWARF2_UNWIND_INFO to 0 when ARM_UNWIND_INFO is set, preventing defaults.h from possibly setting DWARF2_UNWIND_INFO to 1 (as well) on its own afterwards if the macro isn't defined.
We have been using this for a while in gcc-11 development
toolchains for a variety of VxWorks targets, including arm
and aarch64, and I have performed a couple of sanity check
build for ppc64-vx7r2 and arm-vx7r2 with gcc-12.
Committing to mainline where the patch applies as-is and
where the close context (defaults.h defining DWARF2_UNWIND_INFO)
hasn't changed.
Cheers,
Olivier
2022-03-10 Olivier Hainque <hain...@adacore.com>
gcc/
* config/vx-common.h (DWARF2_UNWIND_INFO): #define to 0
when ARM_UNWIND_INFO is set.
0015-Robustify-DWARF_UNWIND_INFO-handling-in-vx-common.h.patch
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