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#!/usr/bin/env bash
gccversion=$(gcc --version | head -n1)
cppversion=$(g++ -dM -E -x c++ /dev/null | grep -F __cplusplus | cut -d' ' -f3)
cmakeversion=$(cmake --version | head -n1)
clangversion=$(clang --version | head -n1)
cat <<EOF
Hello, this is the Sysdig builder container.
How to use.
The default commands for the Sysdig builder image reports usage and environment info.
* docker run sysdig/sysdig-builder
* docker run sysdig/sysdig-builder usage
It supports bash.
* docker run -ti sysdig/sysdig-builder bash
To build it needs:
- The source directory in /source (ie., the directory containing the sysdig tree)
Optionally, you can also bind-mount the build directory.
So, you can execute it from the root directory as follows.
* docker run -v $PWD/..:/source -v $PWD/build:/build sysdig/sysdig-builder cmake
* docker run -v $PWD/..:/source -v $PWD/build:/build sysdig/sysdig-builder [<cmake-target-x>, ..., <cmake-target-y>]
Eg.,
* docker run -v $PWD/..:/source -v $PWD/build:/build sysdig/sysdig-builder tests
* docker run -v $PWD/..:/source -v $PWD/build:/build sysdig/sysdig-builder install
How to build.
* cd docker/builder && DOCKER_BUILDKIT=1 docker build -t sysdig/sysdig-builder .
In case you want to customise the builder at build time the following build arguments are provided:
- BUILD_TYPE whether you want a "release" or "debug" build (defaults to "release").
- BUILD_DRIVER whether to build the driver or not (defaults to "OFF")
- BUILD_BPF whether to build the BPF driver or not (defaults to "OFF")
- BUILD_WARNINGS_AS_ERRORS whether to intend warnings as errors or not (defaults to "ON")
- MAKE_JOBS the number of jobs to use during make (defaults to "4")
- BUILD_VERSION the version to label the build (built from git index in case it is missing)
It is possible to change these at runtime (in the container) since environment variables with the same names are provided, too.
Environment.
* ${gccversion}
* cplusplus ${cppversion}
* ${cmakeversion}
* ${clangversion}
EOF
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