more linux abi defines #3401

Job	Run time
Build mlibc (x86_64, mlibc)	3m 19s
Build mlibc (x86_64, mlibc-static)	2m 55s
Build mlibc (x86_64, mlibc-shared)	2m 54s
Build mlibc (x86_64, mlibc-ansi-only)	2m 42s
Build mlibc (x86_64, mlibc-headers-only)	1m 53s
Build mlibc (riscv64, mlibc)	3m 17s
Build mlibc (riscv64, mlibc-static)	4m 4s
Build mlibc (riscv64, mlibc-shared)	2m 56s
Build mlibc (riscv64, mlibc-ansi-only)	2m 39s
Build mlibc (riscv64, mlibc-headers-only)	1m 50s
Build mlibc (aarch64, mlibc)	3m 58s
Build mlibc (aarch64, mlibc-static)	2m 55s
Build mlibc (aarch64, mlibc-shared)	3m 13s
Build mlibc (aarch64, mlibc-ansi-only)	2m 52s
Compile sysdeps (dripos)	2m 35s
Compile sysdeps (lemon)	2m 37s
Build mlibc (aarch64, mlibc-headers-only)	1m 52s
Compile sysdeps (aero)	2m 10s
Build mlibc (x86, mlibc)	3m 31s
Compile sysdeps (ironclad)	2m 28s
Build mlibc (x86, mlibc-static)	3m 1s
Compile sysdeps (lyre)	2m 9s
Build mlibc (x86, mlibc-shared)	2m 55s
Compile sysdeps (keyronex)	2m 10s
Build mlibc (x86, mlibc-ansi-only)	2m 51s
Build mlibc (x86, mlibc-headers-only)	1m 50s
	1h 11m 36s

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