JTAG chain debugger tools scripts & JTAG clock management

C:\altera\11.1\nios2eds>"Nios II Command Shell.bat"
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Altera Nios2 Command Shell 
Version 11.1sp2, Build 259
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bash-3.1$ cd "C:\evgeni\temp\altera_jtag_to_avalon_mm_tutorial\tcl\jtag_client_server"
bash-3.1$ gcc -Wall -o jtag_client jtag_client.c
      0  collect2 8876 fork: child -1 - died waiting for longjmp before initialization, retry 0, exit code 0xC0000135, errno 11
1034268  collect2 8876 fork: child -1 - died waiting for longjmp before initialization, retry 0, exit code 0xC0000135, errno 11
3058996  collect2 8876 fork: child -1 - died waiting for longjmp before initialization, retry 0, exit code 0xC0000135, errno 11
7085880  collect2 8876 fork: child -1 - died waiting for longjmp before initialization, retry 0, exit code 0xC0000135, errno 11
collect2: fork: Resource temporarily unavailable
      0  collect2 8876 fork: child -1 - died waiting for longjmp before initialization, retry 0, exit code 0xC0000135, errno 11
1034268  collect2 8876 fork: child -1 - died waiting for longjmp before initialization, retry 0, exit code 0xC0000135, errno 11
3058996  collect2 8876 fork: child -1 - died waiting for longjmp before initialization, retry 0, exit code 0xC0000135, errno 11
7085880  collect2 8876 fork: child -1 - died waiting for longjmp before initialization, retry 0, exit code 0xC0000135, errno 11