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‎.circleci/config.yml‎

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# This configuration was automatically generated from a CircleCI 1.0 config.
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# It should include any build commands you had along with commands that CircleCI
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# inferred from your project structure. We strongly recommend you read all the
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# comments in this file to understand the structure of CircleCI 2.0, as the idiom
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# for configuration has changed substantially in 2.0 to allow arbitrary jobs rather
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# than the prescribed lifecycle of 1.0. In general, we recommend using this generated
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# configuration as a reference rather than using it in production, though in most
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# cases it should duplicate the execution of your original 1.0 config.
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version: 2
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jobs:
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build:
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working_directory: ~/lz4/lz4
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# Parallelism is broken in this file : it just plays the same tests twice.
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# The script will have to be modified to support parallelism properly
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# In the meantime, set it to 1.
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parallelism: 1
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shell: /bin/bash --login
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# CircleCI 2.0 does not support environment variables that refer to each other the same way as 1.0 did.
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# If any of these refer to each other, rewrite them so that they don't or see https://circleci.com/docs/2.0/env-vars/#interpolating-environment-variables-to-set-other-environment-variables .
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environment:
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CIRCLE_ARTIFACTS: /tmp/circleci-artifacts
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CIRCLE_TEST_REPORTS: /tmp/circleci-test-results
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# In CircleCI 1.0 we used a pre-configured image with a large number of languages and other packages.
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# In CircleCI 2.0 you can now specify your own image, or use one of our pre-configured images.
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# The following configuration line tells CircleCI to use the specified docker image as the runtime environment for you job.
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# We have selected a pre-built image that mirrors the build environment we use on
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# the 1.0 platform, but we recommend you choose an image more tailored to the needs
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# of each job. For more information on choosing an image (or alternatively using a
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# VM instead of a container) see https://circleci.com/docs/2.0/executor-types/
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# To see the list of pre-built images that CircleCI provides for most common languages see
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# https://circleci.com/docs/2.0/circleci-images/
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docker:
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- image: fbopensource/lz4-circleci-primary:0.0.4
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steps:
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# Machine Setup
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# If you break your build into multiple jobs with workflows, you will probably want to do the parts of this that are relevant in each
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# The following `checkout` command checks out your code to your working directory. In 1.0 we did this implicitly. In 2.0 you can choose where in the course of a job your code should be checked out.
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- checkout
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# Prepare for artifact and test results collection equivalent to how it was done on 1.0.
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# In many cases you can simplify this from what is generated here.
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# 'See docs on artifact collection here https://circleci.com/docs/2.0/artifacts/'
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- run: mkdir -p $CIRCLE_ARTIFACTS $CIRCLE_TEST_REPORTS
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# Test
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# This would typically be a build job when using workflows, possibly combined with build
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# This is based on your 1.0 configuration file or project settings
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- run: CFLAGS= make clangtest && make clean
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- run: g++ -v; make gpptest && make clean
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- run: gcc -v; g++ -v; make ctocpptest && make clean
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- run: gcc-5 -v; CC=gcc-5 CFLAGS="-O2 -Werror" make check && make clean
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- run: gcc-5 -v; CC=gcc-5 CFLAGS="-O2 -m32 -Werror" CPPFLAGS=-I/usr/include/x86_64-linux-gnu make check && make clean
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- run: gcc-6 -v; CC=gcc-6 MOREFLAGS="-O2 -Werror" make check && make clean
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- run: make cmake && make clean
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- run: make -C tests test-lz4
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- run: make -C tests test-lz4c
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- run: make -C tests test-frametest
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- run: make -C tests test-fuzzer && make clean
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- run: make -C lib all && make clean
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- run: pyenv global 3.4.4; make versionsTest MOREFLAGS=-I/usr/include/x86_64-linux-gnu && make clean
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- run: make travis-install && make clean
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- run: gcc -v; CFLAGS="-O2 -m32 -Werror" CPPFLAGS=-I/usr/include/x86_64-linux-gnu make check && make clean
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- run: clang -v; make staticAnalyze && make clean
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- run: make platformTest CC=powerpc-linux-gnu-gcc QEMU_SYS=qemu-ppc-static && make clean
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- run: make platformTest CC=powerpc-linux-gnu-gcc QEMU_SYS=qemu-ppc64-static MOREFLAGS=-m64 && make clean
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- run: make platformTest CC=arm-linux-gnueabi-gcc QEMU_SYS=qemu-arm-static && make clean
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- run: make platformTest CC=aarch64-linux-gnu-gcc QEMU_SYS=qemu-aarch64-static && make clean
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# Teardown
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# If you break your build into multiple jobs with workflows, you will probably want to do the parts of this that are relevant in each
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# Save test results
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- store_test_results:
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path: /tmp/circleci-test-results
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# Save artifacts
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- store_artifacts:
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path: /tmp/circleci-artifacts
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- store_artifacts:
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path: /tmp/circleci-test-results

‎.circleci/images/primary/Dockerfile‎

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FROM circleci/buildpack-deps:bionic
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RUN sudo apt-get -y -qq update
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RUN sudo apt-get -y install software-properties-common
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RUN sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test
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RUN sudo apt-get -y install cmake
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RUN sudo apt-get -y install qemu-system-ppc qemu-user-static qemu-system-arm
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RUN sudo apt-get -y install libc6-dev-armel-cross libc6-dev-arm64-cross libc6-dev-i386
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RUN sudo apt-get -y install clang clang-tools
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RUN sudo apt-get -y install gcc-5 gcc-5-multilib gcc-6
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RUN sudo apt-get -y install valgrind
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RUN sudo apt-get -y install gcc-multilib-powerpc-linux-gnu gcc-powerpc-linux-gnu gcc-arm-linux-gnueabi gcc-aarch64-linux-gnu

‎.gitattributes‎

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# Set the default behavior
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* text eol=lf
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# Explicitly declare source files
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*.c text eol=lf
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*.h text eol=lf
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# Denote files that should not be modified.
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*.odt binary
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*.png binary
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# Visual Studio
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*.sln text eol=crlf
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*.vcxproj* text eol=crlf
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*.vcproj* text eol=crlf
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*.suo binary
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*.rc text eol=crlf
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# Windows
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*.bat text eol=crlf
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*.cmd text eol=crlf

‎.gitignore‎

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# Object files
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*.o
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*.ko
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# Libraries
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*.lib
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*.a
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# Shared objects (inc. Windows DLLs)
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*.dll
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*.so
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*.so.*
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*.dylib
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*.dSYM # apple
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# Executables
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*.exe
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*.out
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*.app
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lz4
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# IDE / editors files
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.clang_complete
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_codelite/
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_codelite_lz4/
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bin/
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*.zip
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# Mac
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.DS_Store
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*.dSYM
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# Windows / Msys
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nul
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ld.exe*
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# test files
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*.lz4

‎.travis.yml‎

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language: c
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matrix:
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fast_finish: true
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include:
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# OS X Mavericks
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- name: (macOS) General Test
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os: osx
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compiler: clang
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script:
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- make # test library build
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- make clean
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- make -C tests test-lz4 MOREFLAGS='-Werror -Wconversion -Wno-sign-conversion' | tee # test scenario where `stdout` is not the console
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- make clean
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- CFLAGS=-m32 make -C tests test-lz4-contentSize
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# Container-based 12.04 LTS Server Edition 64 bit (doesn't support 32-bit includes)
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- name: (Precise) benchmark test
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dist: precise
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script:
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- make -C tests test-lz4 test-lz4c test-fullbench
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- name: (Precise) frame and fuzzer test
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dist: precise
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install:
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- sudo sysctl -w vm.mmap_min_addr=4096
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script:
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- make -C tests test-frametest test-fuzzer
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- name: ASAN tests with fuzzer and frametest
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install:
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- sudo sysctl -w vm.mmap_min_addr=4096
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script:
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- CC=clang MOREFLAGS=-fsanitize=address make -C tests test-frametest test-fuzzer
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- name: Custom LZ4_DISTANCE_MAX
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script:
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- MOREFLAGS=-DLZ4_DISTANCE_MAX=8000 make check
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- name: (Precise) g++ and clang CMake test
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dist: precise
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script:
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- make gpptest
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- make clean
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- make examples
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- make clean cmake
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- make clean travis-install
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- make clean clangtest
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# 14.04 LTS Server Edition 64 bit
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- name: (Trusty) i386 gcc test
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dist: trusty
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addons:
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apt:
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packages:
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- libc6-dev-i386
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- gcc-multilib
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script:
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- make -C tests test MOREFLAGS=-mx32
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# presume clang >= v3.9.0
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- name: (Trusty) USan test
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dist: trusty
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compiler: clang
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script:
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- make usan MOREFLAGS=-Wcomma -Werror
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- name: (Trusty) valgrind test
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dist: trusty
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install:
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- sudo apt-get install -qq valgrind
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script:
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- make c_standards
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- make -C tests test-lz4 test-mem
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- name: (Trusty) c-to-c++ test
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dist: trusty
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script:
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- make ctocpptest
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- name: (Trusty) i386 benchmark + version test
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dist: trusty
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install:
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- sudo apt-get install -qq python3 libc6-dev-i386 gcc-multilib
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script:
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- make -C tests test-lz4c32 test-fullbench32 versionsTest
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- name: (Trusty) i386 frame + fuzzer test
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dist: trusty
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install:
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- sudo apt-get install -qq libc6-dev-i386 gcc-multilib
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- sudo sysctl -w vm.mmap_min_addr=4096
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script:
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- make -C tests test-frametest32 test-fuzzer32
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- name: (Trusty) gcc-6 standard C compilation
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dist: trusty
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addons:
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apt:
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sources:
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- ubuntu-toolchain-r-test
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packages:
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- gcc-6
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env:
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- CC=gcc-6
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script:
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- make c_standards
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- make -C tests test-lz4 MOREFLAGS=-Werror
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- name: (Trusty) arm + aarch64 compilation
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dist: trusty
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install:
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- sudo apt-get install -qq
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qemu-system-arm
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qemu-user-static
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gcc-arm-linux-gnueabi
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libc6-dev-armel-cross
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gcc-aarch64-linux-gnu
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libc6-dev-arm64-cross
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script:
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- make platformTest CC=arm-linux-gnueabi-gcc QEMU_SYS=qemu-arm-static
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- make platformTest CC=aarch64-linux-gnu-gcc QEMU_SYS=qemu-aarch64-static
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- name: (Xenial) gcc-5 compilation
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dist: xenial
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install:
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- sudo apt-get install -qq libc6-dev-i386 gcc-multilib
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script:
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- make -C tests test-lz4 clean test-lz4c32 MOREFLAGS=-Werror
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- name: (Trusty) clang-3.8 compilation
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dist: trusty
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addons:
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apt:
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sources:
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- ubuntu-toolchain-r-test
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- llvm-toolchain-precise-3.8
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packages:
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- clang-3.8
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script:
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- make -C tests test-lz4 CC=clang-3.8
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- name: (Trusty) PowerPC + PPC64 compilation
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dist: trusty
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install:
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- sudo apt-get install -qq qemu-system-ppc qemu-user-static gcc-powerpc-linux-gnu
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script:
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- make platformTest CC=powerpc-linux-gnu-gcc QEMU_SYS=qemu-ppc-static
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- make platformTest CC=powerpc-linux-gnu-gcc QEMU_SYS=qemu-ppc64-static MOREFLAGS=-m64
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- name: (Trusty) scan-build + cppcheck
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dist: trusty
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compiler: clang
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install:
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- sudo apt-get install -qq cppcheck
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script:
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- make staticAnalyze
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- make cppcheck
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- name: (Trusty) gcc-4.4 compilation
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dist: trusty
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addons:
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apt:
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sources:
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- ubuntu-toolchain-r-test
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packages:
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- libc6-dev-i386
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- gcc-multilib
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- gcc-4.4
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script:
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- make clean all CC=gcc-4.4 MOREFLAGS=-Werror
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- make clean
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- CFLAGS=-fPIC LDFLAGS='-pie -fPIE -D_FORTIFY_SOURCE=2' make -C programs
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# tag-specific test
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- name: tag build
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if: tag =~ ^v[0-9]\.[0-9]
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os: linux
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script:
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- make -C tests checkTag
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- tests/checkTag "$TRAVIS_BRANCH"
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- name: (Xenial) Meson + clang build
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#env: ALLOW_FAILURES=true
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dist: xenial
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language: cpp
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compiler: clang
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install:
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- sudo apt-get install -qq python3 tree
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- |
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travis_retry curl -o ~/ninja.zip -L 'https://github.com/ninja-build/ninja/releases/download/v1.9.0/ninja-linux.zip' &&
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unzip ~/ninja.zip -d ~/.local/bin
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- |
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travis_retry curl -o ~/get-pip.py 'https://bootstrap.pypa.io/get-pip.py' &&
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python3 ~/get-pip.py --user &&
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pip3 install --user meson
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script:
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- |
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meson setup \
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--buildtype=debug \
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-Db_lundef=false \
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-Dauto_features=enabled \
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-Ddefault_library=both \
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-Dbin_programs=true \
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-Dbin_contrib=true \
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-Dbin_tests=true \
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-Dbin_examples=true \
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contrib/meson build
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- pushd build
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- DESTDIR=./staging ninja install
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- tree ./staging
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# oss-fuzz compilation test
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- name: Compile OSS-Fuzz targets
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script:
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- ./ossfuzz/travisoss.sh
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allow_failures:
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- env: ALLOW_FAILURES=true

‎INSTALL‎

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Installation
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=============
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```
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make
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make install # this command may require root access
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```
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LZ4's `Makefile` supports standard [Makefile conventions],
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including [staged installs], [redirection], or [command redefinition].
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It is compatible with parallel builds (`-j#`).
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[Makefile conventions]: https://www.gnu.org/prep/standards/html_node/Makefile-Conventions.html
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[staged installs]: https://www.gnu.org/prep/standards/html_node/DESTDIR.html
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[redirection]: https://www.gnu.org/prep/standards/html_node/Directory-Variables.html
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[command redefinition]: https://www.gnu.org/prep/standards/html_node/Utilities-in-Makefiles.html

‎LICENSE‎

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This repository uses 2 different licenses :
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- all files in the `lib` directory use a BSD 2-Clause license
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- all other files use a GPLv2 license, unless explicitly stated otherwise
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Relevant license is reminded at the top of each source file,
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and with presence of COPYING or LICENSE file in associated directories.
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This model is selected to emphasize that
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files in the `lib` directory are designed to be included into 3rd party applications,
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while all other files, in `programs`, `tests` or `examples`,
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receive more limited attention and support for such scenario.

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