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Set -march=armv7-a for Alpine Linux ARM32 #17730
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Alpine ARM32 (armhf) comes with ARMv6 ABI with default ISA set to ARMv6 (16-bit instruction set) due to which the build fails at very beginning on Alpine ARM32 (1%).
Setting
armv7-ain build option enables the usage of 32-bit instructions (likedmb ish) that CoreCLR is using.This takes the build quite farther, but I haven't gotten to 100% yet.Builds 100% of coreclr+tests on Alpine ARM32.
Related to #17468.