hw4.exe:locale-misc-inst.cc.text+0x220): multiple definition of '_mainCRTStartup' /usr/lib/gcc/i686-pc-cygwin/3.4.4/../../../crt0.o.text+0x0): first defined here hw4.exe:locale-misc-inst.cc.text+0x240): multiple definition of '_WinMainCRTStartup' /usr/lib/gcc/i686-pc-cygwin/3.4.4/../../../crt0.o.text+0x0): first defined here /usr/lib/gcc/i686-pc-cygwin/3.4.4/../../../../i686-pc-cygwin/bin/ld:requests.txt: file format not recognized; treating as linker script /usr/lib/gcc/i686-pc-cygwin/3.4.4/../../../../i686-pc-cygwin/bin/ld:requests.txt :1: syntax error collect2: ld returned 1 exit status