Files
json/.github/workflows/ubuntu.yml
T
Niels Lohmann 71b4eaf743 Document the Meson options and check them in CI
Describe the options of meson.build in FILES.md and in the Meson section
of the package manager documentation, which so far said that a Meson
installation always uses the default configuration.

The ci_meson_install job now also installs with non-default options and
checks that the headers of the multi-header version are installed, that
the definitions reach the pkg-config file and the CMake target, and that
find_package still works.

Signed-off-by: Niels Lohmann <mail@nlohmann.me>
2026-09-27 14:51:27 +02:00

439 lines
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YAML

name: Ubuntu
on:
push:
branches:
- develop
- master
- release/*
pull_request:
workflow_dispatch:
permissions:
contents: read
concurrency:
group: ${{ github.workflow }}-${{ github.ref || github.run_id }}
cancel-in-progress: true
jobs:
ci_test_gcc:
runs-on: ubuntu-latest
container: gcc:latest
steps:
- uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
with:
persist-credentials: false
- name: Get latest CMake and ninja
uses: lukka/get-cmake@fffaaafeea488556c2c12dad60690008bc1caacb # v4.4.2
- name: Run CMake
run: cmake -S . -B build -DJSON_CI=On
- name: Build
run: cmake --build build --target ci_test_gcc
ci_meson_install:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
with:
persist-credentials: false
- name: Get latest CMake and ninja
uses: lukka/get-cmake@fffaaafeea488556c2c12dad60690008bc1caacb # v4.4.2
- name: Install Meson
run: pip install meson
- name: Install with Meson
run: |
meson setup build-meson --prefix=${{ github.workspace }}/install
meson install -C build-meson
- name: Use the installed package with find_package
run: |
cmake -S tests/cmake_import/project -B build-import -DCMAKE_PREFIX_PATH=${{ github.workspace }}/install
cmake --build build-import
- name: Install with Meson and non-default options
run: |
meson setup build-meson-options --prefix=${{ github.workspace }}/install-options -DMultipleHeaders=true -DDiagnostics=true -DGlobalUDLs=false
meson install -C build-meson-options
- name: Check that the options reach the installed files
run: |
test -d install-options/include/nlohmann/detail
cflags=$(PKG_CONFIG_PATH=${{ github.workspace }}/install-options/share/pkgconfig pkg-config --cflags nlohmann_json)
echo "$cflags"
echo "$cflags" | grep -q -- '-DJSON_DIAGNOSTICS=1'
echo "$cflags" | grep -q -- '-DJSON_USE_GLOBAL_UDLS=0'
grep -q 'JSON_USE_GLOBAL_UDLS=0;JSON_DIAGNOSTICS=1' install-options/share/cmake/nlohmann_json/nlohmann_jsonTargets.cmake
cmake -S tests/cmake_import/project -B build-import-options -DCMAKE_PREFIX_PATH=${{ github.workspace }}/install-options
cmake --build build-import-options
ci_infer:
runs-on: ubuntu-latest
steps:
- name: Harden Runner
uses: step-security/harden-runner@e14015d583714f6e62063499dc959a02595150a1 # v2.21.1
with:
egress-policy: audit
- name: Install Infer
run: |
wget -q -O - "https://github.com/facebook/infer/releases/download/v1.3.0/infer-linux-x86_64-v1.3.0.tar.xz" | sudo tar -C /opt -xJ
sudo ln -s /opt/infer-linux-x86_64-v1.3.0/bin/infer /usr/local/bin/infer
- uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
with:
persist-credentials: false
- name: Get latest CMake and ninja
uses: lukka/get-cmake@fffaaafeea488556c2c12dad60690008bc1caacb # v4.4.2
- name: Run CMake
run: cmake -S . -B build -DJSON_CI=On
- name: Build
run: cmake --build build --target ci_infer
ci_static_analysis_ubuntu:
runs-on: ubuntu-latest
strategy:
matrix:
target: [ci_test_amalgamation, ci_test_single_header, ci_cppcheck, ci_cpplint, ci_reproducible_tests, ci_non_git_tests, ci_offline_testdata, ci_reuse_compliance, ci_test_valgrind]
steps:
- name: Harden Runner
uses: step-security/harden-runner@e14015d583714f6e62063499dc959a02595150a1 # v2.21.1
with:
egress-policy: audit
- name: Install Valgrind
run: sudo apt-get update ; sudo apt-get install -y valgrind
- uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
with:
persist-credentials: false
- name: Get latest CMake and ninja
uses: lukka/get-cmake@fffaaafeea488556c2c12dad60690008bc1caacb # v4.4.2
- name: Run CMake
run: cmake -S . -B build -DJSON_CI=On
- name: Build
run: cmake --build build --target ${{ matrix.target }}
ci_static_analysis_clang:
runs-on: ubuntu-latest
container: silkeh/clang:dev
strategy:
matrix:
target: [ci_test_clang, ci_clang_tidy, ci_test_clang_sanitizer, ci_clang_analyze, ci_single_binaries]
steps:
- name: Install git, clang-tools, iwyu (ci_single_binaries), and unzip
run: apt-get update ; apt-get install -y git clang-tools iwyu unzip
- uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
with:
persist-credentials: false
- name: Get latest CMake and ninja
uses: lukka/get-cmake@fffaaafeea488556c2c12dad60690008bc1caacb # v4.4.2
- name: Run CMake
run: cmake -S . -B build -DJSON_CI=On
- name: Build
run: cmake --build build --target ${{ matrix.target }}
ci_cmake_options:
runs-on: ubuntu-latest
container: ubuntu:focal
strategy:
matrix:
target: [ci_cmake_flags, ci_test_diagnostics, ci_test_diagnostic_positions, ci_test_noexceptions, ci_test_noimplicitconversions, ci_test_legacycomparison, ci_test_noglobaludls, ci_test_disableenumserialization, ci_test_skiplibraryversioncheck, ci_test_simdutf, ci_test_strict_nul_handling, ci_test_no_thread_local]
steps:
- name: Install build-essential
run: apt-get update ; apt-get install -y build-essential unzip wget git libssl-dev
- uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
with:
persist-credentials: false
- name: Get latest CMake and ninja
uses: lukka/get-cmake@fffaaafeea488556c2c12dad60690008bc1caacb # v4.4.2
- name: Run CMake
run: cmake -S . -B build -DJSON_CI=On
- name: Build
run: cmake --build build --target ${{ matrix.target }}
ci_test_coverage:
runs-on: ubuntu-latest
steps:
- name: Harden Runner
uses: step-security/harden-runner@e14015d583714f6e62063499dc959a02595150a1 # v2.21.1
with:
egress-policy: audit
- uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
with:
persist-credentials: false
- name: Install dependencies and de_DE locale
run: |
sudo apt-get clean
sudo apt-get update
sudo apt-get install -y build-essential cmake lcov ninja-build make locales gcc-multilib g++-multilib
sudo locale-gen de_DE
sudo update-locale
- name: Run CMake
run: cmake -S . -B build -DJSON_CI=On
- name: Build
run: cmake --build build --target ci_test_coverage
- name: Archive coverage report
uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
with:
name: code-coverage-report
path: ${{ github.workspace }}/build/html
- name: Publish report to Coveralls
uses: coverallsapp/github-action@8d6379e14d29928660c4ba802d8e85393440b329 # v2.3.8
with:
github-token: ${{ secrets.GITHUB_TOKEN }}
path-to-lcov: ${{ github.workspace }}/build/json.info.filtered.noexcept
fail-on-error: false
ci_test_compilers_gcc_old:
runs-on: ubuntu-latest
strategy:
matrix:
compiler: ['4.8', '4.9', '5', '6']
# official gcc:4.8/4.9/5/6 images fail to check out code (too old for
# actions/checkout); install the old compilers on top of official ubuntu:20.04
# instead, mirroring what the (now retired) custom json-ci image did.
container: ubuntu:20.04
steps:
- name: Install g++-${{ matrix.compiler }}
run: |
export DEBIAN_FRONTEND=noninteractive
apt-get update
apt-get install -y --no-install-recommends software-properties-common ca-certificates gnupg make git
# add-apt-repository resolves the PPA through the Launchpad API,
# which intermittently times out or fails the team lookup (the plain
# "deb ..." sources below never hit Launchpad and never flake).
# Retry with backoff so a transient Launchpad blip does not fail CI.
for attempt in 1 2 3 4 5; do
add-apt-repository -y ppa:ubuntu-toolchain-r/test && break
echo "::warning::add-apt-repository ppa:ubuntu-toolchain-r/test failed (attempt ${attempt}/5); retrying"
sleep $((attempt * 10))
done
apt-add-repository -y "deb http://archive.ubuntu.com/ubuntu/ bionic main"
apt-add-repository -y "deb http://archive.ubuntu.com/ubuntu/ bionic universe"
apt-add-repository -y "deb http://archive.ubuntu.com/ubuntu/ xenial main"
apt-add-repository -y "deb http://archive.ubuntu.com/ubuntu/ xenial universe"
apt-add-repository -y "deb http://archive.ubuntu.com/ubuntu/ xenial-updates main"
apt-add-repository -y "deb http://archive.ubuntu.com/ubuntu/ xenial-updates universe"
apt-get update
apt-get install -y --no-install-recommends g++-${{ matrix.compiler }}
- uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
with:
persist-credentials: false
- name: Get latest CMake and ninja
uses: lukka/get-cmake@fffaaafeea488556c2c12dad60690008bc1caacb # v4.4.2
- name: Run CMake
run: CXX=g++-${{ matrix.compiler }} cmake -S . -B build -DJSON_CI=On
- name: Build
run: cmake --build build --target ci_test_compiler_g++-${{ matrix.compiler }}
ci_test_compilers_gcc:
runs-on: ubuntu-latest
strategy:
matrix:
# older GCC docker images (4, 5, 6) fail to check out code
compiler: ['7', '8', '9', '10', '11', '12', '13', '14', '15', 'latest']
container: gcc:${{ matrix.compiler }}
steps:
- uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
with:
persist-credentials: false
- name: Get latest CMake and ninja
uses: lukka/get-cmake@fffaaafeea488556c2c12dad60690008bc1caacb # v4.4.2
- name: Run CMake
run: cmake -S . -B build -DJSON_CI=On
- name: Build
run: cmake --build build --target ci_test_compiler_default
ci_test_compilers_clang:
runs-on: ubuntu-latest
strategy:
matrix:
compiler: ['3.4', '3.5', '3.6', '3.7', '3.8', '3.9', '4', '5', '6', '7', '8', '9', '10', '11', '12', '13', '14', '15-bullseye', '16', '17', '18', '19', '20', '21', '22', 'latest']
container: silkeh/clang:${{ matrix.compiler }}
steps:
- uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
with:
persist-credentials: false
- name: Get latest CMake and ninja
uses: lukka/get-cmake@fffaaafeea488556c2c12dad60690008bc1caacb # v4.4.2
- name: Set env FORCE_STDCPPFS_FLAG for clang 7 / 8 / 9 / 10
run: echo "JSON_FORCED_GLOBAL_COMPILE_OPTIONS=-DJSON_HAS_FILESYSTEM=0;-DJSON_HAS_EXPERIMENTAL_FILESYSTEM=0" >> "$GITHUB_ENV"
if: ${{ matrix.compiler == '7' || matrix.compiler == '8' || matrix.compiler == '9' || matrix.compiler == '10' }}
- name: Run CMake
run: cmake -S . -B build -DJSON_CI=On
- name: Build
run: cmake --build build --target ci_test_compiler_default
ci_test_standards_gcc:
runs-on: ubuntu-latest
container: gcc:latest
strategy:
matrix:
standard: [11, 14, 17, 20, 23, 26]
steps:
- uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
with:
persist-credentials: false
- name: Get latest CMake and ninja
uses: lukka/get-cmake@fffaaafeea488556c2c12dad60690008bc1caacb # v4.4.2
- name: Run CMake
run: cmake -S . -B build -DJSON_CI=On
- name: Build
run: cmake --build build --target ci_test_gcc_cxx${{ matrix.standard }}
ci_test_standards_clang:
runs-on: ubuntu-latest
container: silkeh/clang:latest
strategy:
matrix:
standard: [11, 14, 17, 20, 23, 26]
stdlib: [libcxx, libstdcxx]
steps:
- name: Install git and unzip
run: apt-get update ; apt-get install -y git unzip
- uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
with:
persist-credentials: false
- name: Get latest CMake and ninja
uses: lukka/get-cmake@fffaaafeea488556c2c12dad60690008bc1caacb # v4.4.2
- name: Run CMake
run: cmake -S . -B build -DJSON_CI=On
- name: Build with libc++
run: cmake --build build --target ci_test_clang_libcxx_cxx${{ matrix.standard }}
if: ${{ matrix.stdlib == 'libcxx' }}
- name: Build with libstdc++
run: cmake --build build --target ci_test_clang_cxx${{ matrix.standard }}
if: ${{ matrix.stdlib == 'libstdcxx' }}
ci_cuda_example:
runs-on: ubuntu-latest
strategy:
fail-fast: false
matrix:
# 11.8.0: newest pre-C++20 CUDA release, exercises the C++17 fallback
# path (tests/cuda_example/CMakeLists.txt picks the standard per nvcc
# version); 12.1.1: permanent regression guard for #3907 (nvcc 12.0/12.1
# choke on enable_borrowed_range at C++20, fixed in 12.2); 12.6.3: recent
# CUDA/C++20 coverage.
cuda: ['11.8.0', '12.1.1', '12.6.3']
container: nvidia/cuda:${{ matrix.cuda }}-devel-ubuntu22.04
steps:
- uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
with:
persist-credentials: false
- name: Get latest CMake and ninja
uses: lukka/get-cmake@fffaaafeea488556c2c12dad60690008bc1caacb # v4.4.2
- name: Run CMake
run: cmake -S . -B build -DJSON_CI=On
- name: Build
run: cmake --build build --target ci_cuda_example
ci_module_cpp20:
strategy:
matrix:
container: ['gcc:latest', 'silkeh/clang:latest']
runs-on: ubuntu-latest
container: ${{ matrix.container }}
steps:
- uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
with:
persist-credentials: false
# The module test uses `import std;`, which needs CMake's experimental
# import-std support. Its opt-in token is CMake-version-specific, so pin
# CMake to the version whose token is set in tests/module_cpp20/CMakeLists.txt.
- name: Get pinned CMake and ninja
uses: lukka/get-cmake@fffaaafeea488556c2c12dad60690008bc1caacb # v4.4.2
with:
cmakeVersion: 4.3.4
# Clang: the std library module is provided by libc++ (the image's libstdc++
# ships none), and the image's libc++ module manifest has a broken relative
# path — repoint it at the real module sources.
- name: Use libc++ and fix its module manifest path (Clang)
if: matrix.container == 'silkeh/clang:latest'
run: |
echo "CXXFLAGS=-stdlib=libc++" >> "$GITHUB_ENV"
mkdir -p /usr/lib/share && ln -sf /usr/lib/llvm-*/share/libc++ /usr/lib/share/libc++
- name: Run CMake
run: cmake -S . -B build -DJSON_CI=On
- name: Build
run: cmake --build build --target ci_module_cpp20
ci_icpc:
runs-on: ubuntu-latest
# Intel discontinued the classic icc/icpc compiler in oneAPI 2024.0; this is
# Intel's own last officially published image that still includes it.
container: intel/oneapi-hpckit:2023.2.1-devel-ubuntu22.04
steps:
- uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
with:
persist-credentials: false
- name: Get latest CMake and ninja
uses: lukka/get-cmake@fffaaafeea488556c2c12dad60690008bc1caacb # v4.4.2
- name: Run CMake
run: cmake -S . -B build -DJSON_CI=On
- name: Build
# No need to source setvars.sh here: unlike the old custom image, this
# official image already has the oneAPI environment (icc/icpc on PATH)
# baked in, and re-sourcing it fails with "already been run" (exit 3).
run: cmake --build build --target ci_icpc
ci_icpx:
runs-on: ubuntu-latest
container: intel/oneapi-hpckit:latest
steps:
- uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
- name: Get latest CMake and ninja
uses: lukka/get-cmake@fffaaafeea488556c2c12dad60690008bc1caacb # v4.4.2
- name: Run CMake
run: cmake -S . -B build -DJSON_CI=On
- name: Build
run: cmake --build build --target ci_icpx
ci_nvhpc:
runs-on: ubuntu-latest
container: nvcr.io/nvidia/nvhpc:25.5-devel-cuda12.9-ubuntu22.04
steps:
- uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
- name: Get latest CMake and ninja
uses: lukka/get-cmake@fffaaafeea488556c2c12dad60690008bc1caacb # v4.4.2
- name: Run CMake
run: cmake -S . -B build -DJSON_CI=On
- name: Build
run: cmake --build build --target ci_nvhpc
ci_emscripten:
runs-on: ubuntu-latest
steps:
- name: Harden Runner
uses: step-security/harden-runner@e14015d583714f6e62063499dc959a02595150a1 # v2.21.1
with:
egress-policy: audit
- name: Install emscripten
uses: mymindstorm/setup-emsdk@4528d102f7230f0e7b276855c01ea1159be0e984 # v16
- uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
with:
persist-credentials: false
- name: Get latest CMake and ninja
uses: lukka/get-cmake@fffaaafeea488556c2c12dad60690008bc1caacb # v4.4.2
- name: Run CMake
run: cmake -S . -B build -DCMAKE_TOOLCHAIN_FILE=$EMSDK/upstream/emscripten/cmake/Modules/Platform/Emscripten.cmake -GNinja
- name: Build
run: cmake --build build
ci_test_documentation:
runs-on: ubuntu-latest
strategy:
matrix:
target: [ci_test_examples, ci_test_build_documentation]
steps:
- name: Harden Runner
uses: step-security/harden-runner@e14015d583714f6e62063499dc959a02595150a1 # v2.21.1
with:
egress-policy: audit
- uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
with:
persist-credentials: false
- name: Run CMake
run: cmake -S . -B build -DJSON_CI=On
- name: Build
run: cmake --build build --target ${{ matrix.target }}