Merge pull request #555 from bensuperpc/Update_tools

Update Readme and tools scripts
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Bensuperpc 2021-08-11 08:05:45 +02:00 committed by GitHub
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@ -13,13 +13,14 @@ Cross compiling toolchains in Docker images.
- Most images also contain an emulator for the target system.
- Clean separation of build tools, source code, and build artifacts.
- Commands in the container are run as the calling user, so that any created files have the expected ownership, (i.e. not root).
- Make variables **CC**, **CXX**, **LD** etc) are set to point to the appropriate tools in the container.
- Make variables **CC**, **CXX**, **LD**, **AS** etc) are set to point to the appropriate tools in the container.
- Recent [CMake](https://cmake.org) and ninja are precompiled.
- [Conan.io](https://www.conan.io) can be used as a package manager.
- Toolchain files configured for CMake.
- Current directory is mounted as the container\'s workdir, `/work`.
- Works with the [Docker for Mac](https://docs.docker.com/docker-for-mac/) and [Docker for Windows](https://docs.docker.com/docker-for-windows/).
- Support using alternative container executor by setting **OCI_EXE** environment variable. By default, it searches for [docker](https://www.docker.com) and [podman](https://podman.io) executable.
- [crosstool-ng](https://github.com/crosstool-ng/crosstool-ng) and [buildroot](https://github.com/buildroot/buildroot) configuration files.
## Examples
@ -40,26 +41,32 @@ This image does not need to be run manually. Instead, there is a helper script t
To install the helper script, run one of the images with no arguments, and redirect the output to a file:
docker run --rm CROSS_COMPILER_IMAGE_NAME > ./dockcross
chmod +x ./dockcross
mv ./dockcross ~/bin/
```bash
docker run --rm CROSS_COMPILER_IMAGE_NAME > ./dockcross
chmod +x ./dockcross
mv ./dockcross ~/bin/
```
Where **CROSS_COMPILER_IMAGE_NAME** is the name of the cross-compiler toolchain Docker instance, e.g: **dockcross/linux-armv7**.
Only 64-bit x86_64 images are provided; a 64-bit x86_64 host system is required.
Only 64-bit x86_64 images are provided, a 64-bit x86_64 host system is required.
## Usage
For the impatient, here\'s how to compile a hello world for armv7:
cd ~/src/dockcross
docker run --rm dockcross/linux-armv7 > ./dockcross-linux-armv7
chmod +x ./dockcross-linux-armv7
./dockcross-linux-armv7 bash -c '$CC test/C/hello.c -o hello_arm'
```bash
cd ~/src/dockcross
docker run --rm dockcross/linux-armv7 > ./dockcross-linux-armv7
chmod +x ./dockcross-linux-armv7
./dockcross-linux-armv7 bash -c '$CC test/C/hello.c -o hello_arm'
```
Note how invoking any toolchain command (make, gcc, etc.) is just a matter of prepending the **dockcross** script on the commandline:
./dockcross-linux-armv7 [command] [args...]
```bash
./dockcross-linux-armv7 [command] [args...]
```
The dockcross script will execute the given command-line inside the container, along with all arguments passed after the command. Commands that evaluate environmental variables in the image, like **$CC** or **$CXX** above, should be executed in [bash -c]. The present working directory is mounted within the image, which can be used to make source code available in the Docker container.
@ -73,6 +80,7 @@ The dockcross script will execute the given command-line inside the container, a
| dockcross/android-x86 | x86 | Clang | Android |
| dockcross/android-x86_64 | x86_64 | Clang | Android |
| dockcross/linux-arm64 | ARMv8 | GCC | Linux |
| dockcross/linux-arm64-full | ARMv8 | GCC | Linux |
| dockcross/linux-arm64-musl | ARMv8 | GCC + musl | Linux |
| dockcross/linux-armv5 | ARMv5 | GCC | Linux |
| dockcross/linux-armv5-musl | ARMv5 | GCC + musl | Linux |
@ -140,6 +148,12 @@ The Android NDK standalone toolchain for the x86_64 architecture.
Cross compiler for the 64-bit ARM platform on Linux, also known as AArch64.
### dockcross/linux-arm64-full
![Docker Image Size (tag)](https://img.shields.io/docker/image-size/dockcross/linux-arm64-full/latest) ![Docker Pulls](https://img.shields.io/docker/pulls/dockcross/linux-arm64-full)
Cross compiler for the 64-bit ARM platform on Linux, with cross-libs: SDL2, OpenSSL, Boost, OpenCV and Qt5 (minimal).
### dockcross/linux-arm64-musl
![Docker Image Size (tag)](https://img.shields.io/docker/image-size/dockcross/linux-arm64-musl/latest) ![Docker Pulls](https://img.shields.io/docker/pulls/dockcross/linux-arm64-musl)
@ -349,12 +363,13 @@ cross-compiler Docker image or the dockcross script itself.
To easily download all images, the convenience target `display_images`
could be used:
curl https://raw.githubusercontent.com/dockcross/dockcross/master/Makefile -o dockcross-Makefile
for image in $(make -f dockcross-Makefile display_images); do
echo "Pulling dockcross/$image"
docker pull dockcross/$image
done
```bash
curl https://raw.githubusercontent.com/dockcross/dockcross/master/Makefile -o dockcross-Makefile
for image in $(make -f dockcross-Makefile display_images); do
echo "Pulling dockcross/$image"
docker pull dockcross/$image
done
```
## Install all dockcross scripts
@ -362,16 +377,18 @@ To automatically install in `~/bin` the dockcross scripts for each
images already downloaded, the convenience target `display_images` could
be used:
curl https://raw.githubusercontent.com/dockcross/dockcross/master/Makefile -o dockcross-Makefile
for image in $(make -f dockcross-Makefile display_images); do
if [[ $(docker images -q dockcross/$image) == "" ]]; then
echo "~/bin/dockcross-$image skipping: image not found locally"
continue
fi
echo "~/bin/dockcross-$image ok"
docker run dockcross/$image > ~/bin/dockcross-$image && \
chmod u+x ~/bin/dockcross-$image
done
```bash
curl https://raw.githubusercontent.com/dockcross/dockcross/master/Makefile -o dockcross-Makefile
for image in $(make -f dockcross-Makefile display_images); do
if [[ $(docker images -q dockcross/$image) == "" ]]; then
echo "~/bin/dockcross-$image skipping: image not found locally"
continue
fi
echo "~/bin/dockcross-$image ok"
docker run dockcross/$image > ~/bin/dockcross-$image && \
chmod u+x ~/bin/dockcross-$image
done
```
## Dockcross configuration
@ -416,17 +433,21 @@ In order to extend Dockcross images with your own commands, one must:
An example Dockerfile would be:
FROM dockcross/linux-armv7
```
FROM dockcross/linux-armv7
ENV DEFAULT_DOCKCROSS_IMAGE my_cool_image
RUN apt-get install nano
ENV DEFAULT_DOCKCROSS_IMAGE my_cool_image
RUN apt-get install nano
```
And then in the shell:
docker build -t my_cool_image . ## Builds the dockcross image.
docker run my_cool_image > linux-armv7 ## Creates a helper script named linux-armv7.
chmod +x linux-armv7 ## Gives the script execution permission.
./linux-armv7 bash ## Runs the helper script with the argument "bash", which starts an interactive container using your extended image.
```
docker build -t my_cool_image . ## Builds the dockcross image.
docker run my_cool_image > linux-armv7 ## Creates a helper script named linux-armv7.
chmod +x linux-armv7 ## Gives the script execution permission.
./linux-armv7 bash ## Runs the helper script with the argument "bash", which starts an interactive container using your extended image.
```
## What is the difference between **dockcross** and **dockbuild** ?

23
tools/dockcross-make-builder.sh Executable file
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@ -0,0 +1,23 @@
#!/usr/bin/env bash
if (( $# >= 1 )); then
image=$1
build_file=build-${image%:*}
shift 1
make_arg=$*
echo "make arg: $make_arg"
#echo "Pulling dockcross/$image"
#docker pull dockcross/"$image"
echo "Make script dockcross-$image"
docker run --rm dockcross/"$image" > ./dockcross-"$image"
chmod +x ./dockcross-"$image"
echo "Build $build_file"
./dockcross-"$image" bash -c 'make CXX=${CXX} CC=${CC} AR=${AR} AS=${AS} LD=${LD} CPP=${CPP} FC=${FC} '"$make_arg"
else
echo "Usage: ${0##*/} <docker imag (ex: linux-x64/linux-x64-clang/linux-arm64/windows-shared-x64/windows-static-x64...)> <make arg.>"
exit 1
fi