Symbol versioning support #4227

Job	Run time
Build mlibc (x86_64, mlibc, gcc)	3m 50s
Compile sysdeps (dripos)	2m 43s
Build mlibc (x86_64, mlibc-static, gcc)	3m 16s
Compile sysdeps (lemon)	2m 20s
Build mlibc (x86_64, mlibc-shared, gcc)	3m 0s
Compile sysdeps (aero)	2m 20s
Build mlibc (x86_64, mlibc-ansi-only, gcc)	3m 3s
Compile sysdeps (ironclad)	3m 16s
Build mlibc (x86_64, mlibc-headers-only, gcc)	2m 3s
Compile sysdeps (lyre)	2m 41s
Build mlibc (riscv64, mlibc, gcc)	4m 15s
Compile sysdeps (keyronex)	3m 18s
Build mlibc (riscv64, mlibc-static, gcc)	4m 50s
Compile sysdeps (managarm)	3m 36s
Build mlibc (riscv64, mlibc-shared, gcc)	3m 10s
Compile sysdeps (vinix)	2m 18s
Build mlibc (riscv64, mlibc-ansi-only, gcc)	2m 58s
Compile sysdeps (astral)	2m 45s
Build mlibc (riscv64, mlibc-headers-only, gcc)	2m 7s
Build mlibc (aarch64, mlibc, gcc)	4m 33s
Build mlibc (aarch64, mlibc-static, gcc)	3m 17s
Build mlibc (aarch64, mlibc-shared, gcc)	3m 15s
Build mlibc (aarch64, mlibc-ansi-only, gcc)	3m 36s
Build mlibc (aarch64, mlibc-headers-only, gcc)	2m 0s
Build mlibc (x86, mlibc, gcc)	4m 1s
Build mlibc (x86, mlibc-static, gcc)	3m 20s
Build mlibc (x86, mlibc-shared, gcc)	3m 11s
Build mlibc (x86, mlibc-ansi-only, gcc)	3m 4s
Build mlibc (x86, mlibc-headers-only, gcc)	2m 2s
Build mlibc (m68k, mlibc, gcc)	5m 32s
Build mlibc (m68k, mlibc-static, gcc)	2m 58s
Build mlibc (m68k, mlibc-shared, gcc)	2m 56s
Build mlibc (m68k, mlibc-ansi-only, gcc)	2m 49s
Build mlibc (m68k, mlibc-headers-only, gcc)	2m 3s
Build mlibc (x86_64, mlibc, clang)	3m 22s
	1h 49m 48s

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