gcc fails with spawn: No such file or directory

Question

I downloaded Ruben’s build of Cygwin GCC.

However upon running it seems unable to compile any files

$ touch foo.c

$ gcc foo.c
gcc: error: spawn: No such file         


        

Answer 1

Make sure the source file extension is in lowercase (i.e. main.c, not main.C):

$ gcc -o main main.C
$ gcc: error: spawn: No such file or directory

$ gcc -o main main.c
$ # all good

This only refers to the case of the extension as given to the gcc, the actual source file can have the extension in whatever case you want.

Explanation: This is from my experimenting with cygwin and gcc, I don't know the actual reason for this behavior.