https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100847
Bug ID: 100847 Summary: M1 chip: many functions not declared in "std" or "::" Product: gcc Version: 11.1.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: zihanwu7-c at my dot cityu.edu.hk Target Milestone: --- Created attachment 50900 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=50900&action=edit terminal output I use Apple M1 chip to run gcc. The gcc is installed via home-brew(arm). It can't compile even the "Hello World" cpp file. Attachment is the result from: g++-11 main.cpp -Wall -Wextra g++-11 -v and g++-11 main.cpp -Wall -Wextra -nostdinc++ main.cpp includes <iostream> and uses namespace std.