On Fri, 28 Feb 2025 20:21:48 +0900,
Junichi Uekawa wrote:
Seems like adding `-lreadline` after the source code would solve the problem. It seems like gcc started checking for missing symbols at shared library link time (like static libs) whereas before it didn't check.
gcc -lreadline -I /usr/include/readline /usr/bin/realcsh.c # fails
gcc -I /usr/include/readline /usr/bin/realcsh.c -lreadline # succeeds
I think it's a gcc change but I can't find the new gcc option to make
it not do that.
The tricky part is that the examples are just a canary and in general
the binfmtc command-line construction needs to take this into
acount. I think the ordering was somewhat hardcoded, and we need to
parse it in such a way so that flags are added in a different
ordering.
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