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Cygwin: Difference between revisions
→Using Cygwin
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The Cygwin installer offers to add an icon to your start menu and / or desktop. By clicking on that, you get a console which actually is a bash shell. /cygdrive/<letter>/ under Cygwin is equivalent to <letter>:\ under Windows.
By default the Cygwin installer does not install GCC. Just restart the installer and select GCC (and, if you want to do C++, G++) from the "devel" group. Also download binutils as many applications require this. (And whatever other tools you want; recommended minimum is make, rcs, cvs, and openssh.)
After the installer finished, you just pick up the GCC manual from gcc.gnu.org (or do 'info gcc' in the Cygwin shell) and be a happy camper.
== Cygwin Known Problems ==
After using the Cygwin Setup, some applications may not compile with errors such as
"default file extension - cannot create executables" or "cannot find crt2.o" or "cannot find -lmingw".
The reason for these messages is that it appears some utilities installed ''after'' the "core" Cygwin files, mess up Cygwins pointers to it's default libraries.
The solution is to start Cygwin Setup and select the following four packages to re-install:
libs/mingw-runtime
devel/gcc-mingw-core
gcc-mingw-gpp++
mingw-runtime
Clicking on 'Keep' next to each package will change the option to "Re-install".
Then click next, next etc.. and the libraries will be re-installed.
Re-installation can be sped up by selecting "Install from Local Directory" rather than "Install from Internet" when Cygwin setup starts.
There is a small chance that Cygwin may 'break' itself after updates, but after following this procedure you should be back in business.
== Cygwin beyond OSDev ==
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