4. Building from source
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## 4. Building from source

“I just want to build it!”

No problem. This recipe should build and install a working GHC with all the default settings. (unless you're on Windows, in which case go to Section 12, “Instructions for building under Windows”).

    $ autoreconf[1]
    $ ./configure
    $ make
    $ make install

For GHC, this will do a 2-stage bootstrap build of the compiler, with profiling libraries, and install the results in the default location (under `/usr/local` on Unix, for example).

The `configure` script is a standard GNU `autoconf` script, and accepts the usual options for changing install locations and the like. Run `./configure --help` for a list of options.

If you want to do anything at all non-standard, or you want to do some development, read on...

[1] not necessary if you started from a source tarball

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