93 lines
3.9 KiB
Markdown
93 lines
3.9 KiB
Markdown
# Supported tags and respective `Dockerfile` links
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- [`4.6.4`, `4.6` (*4.6/Dockerfile*)](https://github.com/docker-library/gcc/blob/0d76d76561f3e8581576f9ccc71079e3455a0bea/4.6/Dockerfile)
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- [`4.7.4`, `4.7` (*4.7/Dockerfile*)](https://github.com/docker-library/gcc/blob/0d76d76561f3e8581576f9ccc71079e3455a0bea/4.7/Dockerfile)
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- [`4.8.4`, `4.8` (*4.8/Dockerfile*)](https://github.com/docker-library/gcc/blob/0d76d76561f3e8581576f9ccc71079e3455a0bea/4.8/Dockerfile)
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- [`4.9.2`, `4.9`, `latest` (*4.9/Dockerfile*)](https://github.com/docker-library/gcc/blob/0d76d76561f3e8581576f9ccc71079e3455a0bea/4.9/Dockerfile)
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For more information about this image and its history, please see the [relevant
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manifest file
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(`library/gcc`)](https://github.com/docker-library/official-images/blob/master/library/gcc)
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in the [`docker-library/official-images` GitHub
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repo](https://github.com/docker-library/official-images).
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# What is GCC?
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The GNU Compiler Collection (GCC) is a compiler system produced by the GNU
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Project that supports various programming languages. GCC is a key component of
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the GNU toolchain. The Free Software Foundation (FSF) distributes GCC under the
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GNU General Public License (GNU GPL). GCC has played an important role in the
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growth of free software, as both a tool and an example.
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> [wikipedia.org/wiki/GNU_Compiler_Collection](https://en.wikipedia.org/wiki/GNU_Compiler_Collection)
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# How to use this image
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## Start a GCC instance running your app
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The most straightforward way to use this image is to use a gcc container as both
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the build and runtime environment. In your `Dockerfile`, writing something along
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the lines of the following will compile and run your project:
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FROM gcc:4.9
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COPY . /usr/src/myapp
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WORKDIR /usr/src/myapp
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RUN gcc -o myapp main.c
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CMD ["./myapp"]
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Then, build and run the Docker image:
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docker build -t my-gcc-app .
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docker run -it --rm --name my-running-app my-gcc-app
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## Compile your app inside the Docker container
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There may be occasions where it is not appropriate to run your app inside a
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container. To compile, but not run your app inside the Docker instance, you can
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write something like:
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docker run --rm -v "$PWD":/usr/src/myapp -w /usr/src/myapp gcc:4.9 gcc -o myapp myapp.c
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This will add your current directory, as a volume, to the container, set the
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working directory to the volume, and run the command `gcc -o myapp myapp.c.`
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This tells gcc to compile the code in `myapp.c` and output the executable to
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myapp. Alternatively, if you have a `Makefile`, you can instead run the `make`
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command inside your container:
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docker run --rm -v "$PWD":/usr/src/myapp -w /usr/src/myapp gcc:4.9 make
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# License
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View [license information](https://gcc.gnu.org/viewcvs/gcc/trunk/gcc/COPYING3?view=markup)
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for the software contained in this image.
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# Supported Docker versions
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This image is officially supported on Docker version 1.5.0.
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Support for older versions (down to 1.0) is provided on a best-effort basis.
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# User Feedback
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## Issues
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If you have any problems with or questions about this image, please contact us
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through a [GitHub issue](https://github.com/docker-library/gcc/issues).
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You can also reach many of the official image maintainers via the
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`#docker-library` IRC channel on [Freenode](https://freenode.net).
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## Contributing
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You are invited to contribute new features, fixes, or updates, large or small;
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we are always thrilled to receive pull requests, and do our best to process them
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as fast as we can.
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Before you start to code, we recommend discussing your plans
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through a [GitHub issue](https://github.com/docker-library/gcc/issues), especially for more ambitious
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contributions. This gives other contributors a chance to point you in the right
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direction, give you feedback on your design, and help you find out if someone
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else is working on the same thing.
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