On Thu, 25 Feb 2021, 02:46 Yeting Kuo via Gcc-help, <gcc-help@xxxxxxxxxxx> wrote: > Hi all, > I have a compiler driver issue when using g++. I want to check whether it > is a bug. > I send '-Wl,--start-group x.o -lc -Wl,--end-group' to g++, but the command > collect2 received is '--start-group x.o --end-group' like the following > commands: > Does it cause a problem? The g++ driver automatically links to libstdc++ and that depends on libc, so the -lc argument has to be after -lstdc++. Otherwise for static linking the linker could open libc.a before it knows about the symbols that libstdc++.a needs from it.
