You need to make sure everything is LF line endings. I've set a .gitattributes file which hopefully will fix this for future checkouts.
I managed to exactly reproduce the error by setting gcc/d/lang.opt to
CRLF line endings.
- Re: Compiling GDC-MinGW Daniel Green
- Re: Compiling GDC-MinGW Benjamin Thaut
- Re: Compiling GDC-MinGW Daniel Green
- Re: Compiling GDC-MinGW Benjamin Thaut
- Re: Compiling GDC-MinGW Benjamin Thaut
- Re: Compiling GDC-MinGW Benjamin Thaut
- Re: Compiling GDC-MinGW Daniel Green
- Re: Compiling GDC-MinGW Benjamin Thaut
- Re: Compiling GDC-MinGW Daniel Green
- Re: Compiling GDC-MinGW Benjamin Thaut
- Re: Compiling GDC-MinGW Daniel Green
- Re: Compiling GDC-MinGW Benjamin Thaut
- Re: Compiling GDC-MinGW Benjamin Thaut
- Re: Compiling GDC-MinGW Daniel Green