[Bug target/100896] --enable-initfini-array should be enabled for cross compiler to Linux

[i at maskray dot me via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100896

--- Comment #5 from Fangrui Song <i at maskray dot me> ---
Ah, ok, my /tmp/glibc-many/src/gcc is at releases/gcc-11 while the fix is for
12.0?

Anyway, you may want to clean up  gcc/acinclude.m4