$ gcc -O2 -fno-exceptions -mwindows -o cygterm.exe cygterm.cc cygterm.res gcc: エラー: spawn: No such file or directory ・migw64-x86_64-gcc-core ・migw64-x86_64-gcc-g++ $ x86_64-w64-mingw32-gcc -O2 -fno-exceptions -mwindows -o cygterm.exe …