env:
  ### compiler options
  HOST:
  # Specific warnings can be disabled with -Wno-error=foo.
  # -pedantic-errors is not equivalent to -Werror=pedantic and thus not implied by -Werror according to the GCC manual.
  WERROR_CFLAGS: -Werror -pedantic-errors
  MAKEFLAGS: -j4
  BUILD: check
  ### secp256k1 config
  ECMULTWINDOW: auto
  ECMULTGENPRECISION: auto
  ASM: no
  WIDEMUL: auto
  WITH_VALGRIND: yes
  EXTRAFLAGS:
  ### secp256k1 modules
  EXPERIMENTAL: no
  ECDH: no
  RECOVERY: no
  SCHNORRSIG: no
  ### test options
  SECP256K1_TEST_ITERS:
  BENCH: yes
  SECP256K1_BENCH_ITERS: 2
  CTIMETEST: yes
  # Compile and run the tests
  EXAMPLES: yes

cat_logs_snippet: &CAT_LOGS
  always:
    cat_tests_log_script:
      - cat tests.log || true
    cat_exhaustive_tests_log_script:
      - cat exhaustive_tests.log || true
    cat_valgrind_ctime_test_log_script:
      - cat valgrind_ctime_test.log || true
    cat_bench_log_script:
      - cat bench.log || true
  on_failure:
    cat_config_log_script:
      - cat config.log || true
    cat_test_env_script:
      - cat test_env.log || true
    cat_ci_env_script:
      - env

merge_base_script_snippet: &MERGE_BASE
  merge_base_script:
    - if [ "$CIRRUS_PR" = "" ]; then exit 0; fi
    - git fetch $CIRRUS_REPO_CLONE_URL $CIRRUS_BASE_BRANCH
    - git config --global user.email "ci@ci.ci"
    - git config --global user.name "ci"
    - git merge FETCH_HEAD  # Merge base to detect silent merge conflicts

linux_container_snippet: &LINUX_CONTAINER
  container:
    dockerfile: ci/linux-debian.Dockerfile
    # Reduce number of CPUs to be able to do more builds in parallel.
    cpu: 1
    # Gives us more CPUs for free if they're available.
    greedy: true
    # More than enough for our scripts.
    memory: 1G

task:
  name: "x86_64: Linux (Debian stable)"
  << : *LINUX_CONTAINER
  matrix: &ENV_MATRIX
    - env: {WIDEMUL:  int64,  RECOVERY: yes}
    - env: {WIDEMUL:  int64,                 ECDH: yes, EXPERIMENTAL: yes, SCHNORRSIG: yes}
    - env: {WIDEMUL: int128}
    - env: {WIDEMUL: int128,  RECOVERY: yes,            EXPERIMENTAL: yes, SCHNORRSIG: yes}
    - env: {WIDEMUL: int128,                 ECDH: yes, EXPERIMENTAL: yes, SCHNORRSIG: yes}
    - env: {WIDEMUL: int128,  ASM: x86_64}
    - env: {                  RECOVERY: yes,            EXPERIMENTAL: yes, SCHNORRSIG: yes}
    - env: {BUILD: distcheck, WITH_VALGRIND: no, CTIMETEST: no, BENCH: no}
    - env: {CPPFLAGS: -DDETERMINISTIC}
    - env: {CFLAGS: -O0, CTIMETEST: no}
    - env: { ECMULTGENPRECISION: 2, ECMULTWINDOW: 2 }
    - env: { ECMULTGENPRECISION: 8, ECMULTWINDOW: 4 }
  matrix:
    - env:
        CC: gcc
    - env:
        CC: clang
  << : *MERGE_BASE
  test_script:
    - ./ci/cirrus.sh
  << : *CAT_LOGS

task:
  name: "i686: Linux (Debian stable)"
  << : *LINUX_CONTAINER
  env:
    HOST: i686-linux-gnu
    ECDH: yes
    RECOVERY: yes
    EXPERIMENTAL: yes
    SCHNORRSIG: yes
  matrix:
    - env:
        CC: i686-linux-gnu-gcc
    - env:
        CC: clang --target=i686-pc-linux-gnu -isystem /usr/i686-linux-gnu/include
  << : *MERGE_BASE
  test_script:
    - ./ci/cirrus.sh
  << : *CAT_LOGS

task:
  name: "x86_64: macOS Catalina"
  macos_instance:
    image: catalina-base
  env:
    HOMEBREW_NO_AUTO_UPDATE: 1
    HOMEBREW_NO_INSTALL_CLEANUP: 1
    # Cirrus gives us a fixed number of 12 virtual CPUs. Not that we even have that many jobs at the moment...
    MAKEFLAGS: -j13
  matrix:
    << : *ENV_MATRIX
  matrix:
    - env:
        CC: gcc-9
    - env:
        CC: clang
  # Update Command Line Tools
  # Uncomment this if the Command Line Tools on the CirrusCI macOS image are too old to brew valgrind.
  # See https://apple.stackexchange.com/a/195963 for the implementation.
  ## update_clt_script:
  ##   - system_profiler SPSoftwareDataType
  ##   - touch /tmp/.com.apple.dt.CommandLineTools.installondemand.in-progress
  ##   - |-
  ##     PROD=$(softwareupdate -l | grep "*.*Command Line" | tail -n 1 | awk -F"*" '{print $2}' | sed -e 's/^ *//' | sed 's/Label: //g' | tr -d '\n')
  ##   # For debugging
  ##   - softwareupdate -l && echo "PROD: $PROD"
  ##   - softwareupdate -i "$PROD" --verbose
  ##   - rm /tmp/.com.apple.dt.CommandLineTools.installondemand.in-progress
  ##
  brew_valgrind_pre_script:
    # Retry a few times because this tends to fail randomly.
    - for i in {1..5}; do brew update && break || sleep 15; done
    - brew config
    - brew tap LouisBrunner/valgrind
    # Fetch valgrind source but don't build it yet.
    - brew fetch --HEAD LouisBrunner/valgrind/valgrind
  brew_valgrind_cache:
    # This is $(brew --cellar valgrind) but command substition does not work here.
    folder: /usr/local/Cellar/valgrind
    # Rebuild cache if ...
    fingerprint_script:
      # ... macOS version changes:
      - sw_vers
      # ... brew changes:
      - brew config
      # ... valgrind changes:
      - git -C "$(brew --cache)/valgrind--git" rev-parse HEAD
    populate_script:
      # If there's no hit in the cache, build and install valgrind.
      - brew install --HEAD LouisBrunner/valgrind/valgrind
  brew_valgrind_post_script:
    # If we have restored valgrind from the cache, tell brew to create symlink to the PATH.
    # If we haven't restored from cached (and just run brew install), this is a no-op.
    - brew link valgrind
  brew_script:
    - brew install automake libtool gcc@9
  << : *MERGE_BASE
  test_script:
    - ./ci/cirrus.sh
  << : *CAT_LOGS

task:
  name: "s390x (big-endian): Linux (Debian stable, QEMU)"
  << : *LINUX_CONTAINER
  env:
    WRAPPER_CMD: qemu-s390x
    SECP256K1_TEST_ITERS: 16
    HOST: s390x-linux-gnu
    WITH_VALGRIND: no
    ECDH: yes
    RECOVERY: yes
    EXPERIMENTAL: yes
    SCHNORRSIG: yes
    CTIMETEST: no
  << : *MERGE_BASE
  test_script:
    # https://sourceware.org/bugzilla/show_bug.cgi?id=27008
    - rm /etc/ld.so.cache
    - ./ci/cirrus.sh
  << : *CAT_LOGS

task:
  name: "ARM32: Linux (Debian stable, QEMU)"
  << : *LINUX_CONTAINER
  env:
    WRAPPER_CMD: qemu-arm
    SECP256K1_TEST_ITERS: 16
    HOST: arm-linux-gnueabihf
    WITH_VALGRIND: no
    ECDH: yes
    RECOVERY: yes
    EXPERIMENTAL: yes
    SCHNORRSIG: yes
    CTIMETEST: no
  matrix:
    - env: {}
    - env: {ASM: arm}
  << : *MERGE_BASE
  test_script:
    - ./ci/cirrus.sh
  << : *CAT_LOGS

task:
  name: "ARM64: Linux (Debian stable, QEMU)"
  << : *LINUX_CONTAINER
  env:
    WRAPPER_CMD: qemu-aarch64
    SECP256K1_TEST_ITERS: 16
    HOST: aarch64-linux-gnu
    WITH_VALGRIND: no
    ECDH: yes
    RECOVERY: yes
    EXPERIMENTAL: yes
    SCHNORRSIG: yes
    CTIMETEST: no
  << : *MERGE_BASE
  test_script:
    - ./ci/cirrus.sh
  << : *CAT_LOGS

task:
  name: "ppc64le: Linux (Debian stable, QEMU)"
  << : *LINUX_CONTAINER
  env:
    WRAPPER_CMD: qemu-ppc64le
    SECP256K1_TEST_ITERS: 16
    HOST: powerpc64le-linux-gnu
    WITH_VALGRIND: no
    ECDH: yes
    RECOVERY: yes
    EXPERIMENTAL: yes
    SCHNORRSIG: yes
    CTIMETEST: no
  << : *MERGE_BASE
  test_script:
    - ./ci/cirrus.sh
  << : *CAT_LOGS

task:
  << : *LINUX_CONTAINER
  env:
    WRAPPER_CMD: wine
    WITH_VALGRIND: no
    ECDH: yes
    RECOVERY: yes
    EXPERIMENTAL: yes
    SCHNORRSIG: yes
    CTIMETEST: no
  matrix:
    - name: "x86_64 (mingw32-w64): Windows (Debian stable, Wine)"
      env:
        HOST: x86_64-w64-mingw32
    - name: "i686 (mingw32-w64): Windows (Debian stable, Wine)"
      env:
        HOST: i686-w64-mingw32
  << : *MERGE_BASE
  test_script:
    - ./ci/cirrus.sh
  << : *CAT_LOGS

task:
  << : *LINUX_CONTAINER
  env:
    WRAPPER_CMD: wine
    WERROR_CFLAGS: -WX
    WITH_VALGRIND: no
    ECDH: yes
    RECOVERY: yes
    EXPERIMENTAL: yes
    SCHNORRSIG: yes
    CTIMETEST: no
    # Set non-essential options that affect the CLI messages here.
    # (They depend on the user's taste, so we don't want to set them automatically in configure.ac.)
    CFLAGS: -nologo -diagnostics:caret
    LDFLAGS: -XCClinker -nologo -XCClinker -diagnostics:caret
  # Use a MinGW-w64 host to tell ./configure we're building for Windows.
  # This will detect some MinGW-w64 tools but then make will need only
  # the MSVC tools CC, AR and NM as specified below.
  matrix:
    - name: "x86_64 (MSVC): Windows (Debian stable, Wine)"
      env:
        HOST: x86_64-w64-mingw32
        CC: /opt/msvc/bin/x64/cl
        AR: /opt/msvc/bin/x64/lib
        NM: /opt/msvc/bin/x64/dumpbin -symbols -headers
    - name: "i686 (MSVC): Windows (Debian stable, Wine)"
      env:
        HOST: i686-w64-mingw32
        CC: /opt/msvc/bin/x86/cl
        AR: /opt/msvc/bin/x86/lib
        NM: /opt/msvc/bin/x86/dumpbin -symbols -headers
  << : *MERGE_BASE
  test_script:
    - ./ci/cirrus.sh
  << : *CAT_LOGS

# Sanitizers
task:
  << : *LINUX_CONTAINER
  env:
    ECDH: yes
    RECOVERY: yes
    EXPERIMENTAL: yes
    SCHNORRSIG: yes
    CTIMETEST: no
  matrix:
    - name: "Valgrind (memcheck)"
      container:
        cpu: 2
      env:
        # The `--error-exitcode` is required to make the test fail if valgrind found errors, otherwise it'll return 0 (https://www.valgrind.org/docs/manual/manual-core.html)
        WRAPPER_CMD: "valgrind --error-exitcode=42"
        SECP256K1_TEST_ITERS: 2
    - name: "UBSan, ASan, LSan"
      container:
        memory: 2G
      env:
        CFLAGS: "-fsanitize=undefined,address -g"
        UBSAN_OPTIONS: "print_stacktrace=1:halt_on_error=1"
        ASAN_OPTIONS: "strict_string_checks=1:detect_stack_use_after_return=1:detect_leaks=1"
        LSAN_OPTIONS: "use_unaligned=1"
        SECP256K1_TEST_ITERS: 32
  # Try to cover many configurations with just a tiny matrix.
  matrix:
    - env:
        ASM: auto
    - env:
        ASM: no
        ECMULTGENPRECISION: 2
        ECMULTWINDOW: 2
  matrix:
    - env:
        CC: clang
    - env:
        HOST: i686-linux-gnu
        CC: i686-linux-gnu-gcc
  << : *MERGE_BASE
  test_script:
    - ./ci/cirrus.sh
  << : *CAT_LOGS

task:
  name: "C++ -fpermissive (entire project)"
  << : *LINUX_CONTAINER
  env:
    CC: g++
    CFLAGS: -fpermissive -g
    CPPFLAGS: -DSECP256K1_CPLUSPLUS_TEST_OVERRIDE
    WERROR_CFLAGS:
    EXPERIMENTAL: yes
    ECDH: yes
    RECOVERY: yes
    SCHNORRSIG: yes
  << : *MERGE_BASE
  test_script:
    - ./ci/cirrus.sh
  << : *CAT_LOGS

task:
  name: "C++ (public headers)"
  << : *LINUX_CONTAINER
  test_script:
    - g++ -Werror include/*.h
    - clang -Werror -x c++-header include/*.h
    - /opt/msvc/bin/x64/cl.exe -c -WX -TP include/*.h

task:
  name: "sage prover"
  << : *LINUX_CONTAINER
  test_script:
    - cd sage
    - sage prove_group_implementations.sage