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Add Linux CI workflow and make build.py cross-platform
- Add .github/workflows/ci-linux.yml targeting ubuntu-24.04 - Update src/version/cef_version_linux.h from CEF 66 to CEF 146 - Make tools/build.py cross-platform (cmake flags, artifact paths, CEF runtime detection) Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Lines changed: 220 additions & 74 deletions

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‎.github/workflows/ci-linux.yml‎

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name: CI Linux
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on:
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push:
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branches: ["github-actions-ci", "master", "146-linux"]
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pull_request:
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branches: ["master"]
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workflow_dispatch:
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inputs:
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bypass_cache:
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description: "Bypass all caches for a clean run"
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type: boolean
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default: false
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jobs:
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compile:
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runs-on: ubuntu-24.04
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timeout-minutes: 60
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strategy:
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fail-fast: false
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matrix:
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python-version: ["3.10", "3.11", "3.12", "3.13", "3.14"]
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steps:
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- name: Checkout
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uses: actions/checkout@v4
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- name: Set up Python
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uses: actions/setup-python@v5
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with:
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python-version: ${{ matrix.python-version }}
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- name: Read CEF version
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id: cef-version
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run: |
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ver=$(grep -oP '(?<=#define CEF_VERSION ")[^"]+' src/version/cef_version_linux.h)
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echo "value=$ver" >> $GITHUB_OUTPUT
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- name: Cache CEF binaries
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uses: actions/cache@v4
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if: ${{ inputs.bypass_cache != true }}
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with:
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path: build/cef_binary_*
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key: cef-linux64-${{ steps.cef-version.outputs.value }}
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- name: Install system dependencies
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run: |
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sudo apt-get update -q
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sudo apt-get install -y --no-install-recommends \
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cmake ninja-build pkg-config \
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libgtk2.0-dev libgtk-3-dev \
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libglib2.0-dev libx11-dev \
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libnss3-dev libatk1.0-dev \
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libxcomposite-dev libxdamage-dev libxext-dev \
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libxfixes-dev libxrandr-dev libxrender-dev
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- name: Install build tools
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run: python tools/requirements.py
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- name: Download CEF binaries
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run: python tools/download_cef.py
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- name: Prepare prebuilt CEF
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run: python tools/automate.py --prebuilt-cef
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- name: Configure CMake
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run: cmake -S . -B build/_cmake_build -G Ninja -DCMAKE_BUILD_TYPE=Release
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- name: Build
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run: cmake --build build/_cmake_build --parallel
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- name: Stage build outputs
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run: |
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mkdir -p build/artifacts
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cp build/_cmake_build/cefpython_py*.so build/artifacts/
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cp build/_cmake_build/subprocess_build/subprocess build/artifacts/
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cef_dir=$(ls -d build/cef*_linux64 2>/dev/null | head -1)
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find "$cef_dir/bin" -maxdepth 1 -mindepth 1 \
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! -name 'cefclient*' ! -name 'cefsimple*' ! -name 'ceftests*' ! -name 'chrome-sandbox' \
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-exec cp -r {} build/artifacts/ \;
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- name: Upload build artifacts
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uses: actions/upload-artifact@v4
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with:
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name: build-py${{ matrix.python-version }}-linux64
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path: build/artifacts/
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retention-days: 1
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test:
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needs: compile
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runs-on: ubuntu-24.04
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timeout-minutes: 30
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strategy:
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fail-fast: false
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matrix:
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python-version: ["3.10", "3.11", "3.12", "3.13", "3.14"]
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steps:
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- name: Checkout
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uses: actions/checkout@v4
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- name: Set up Python
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uses: actions/setup-python@v5
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with:
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python-version: ${{ matrix.python-version }}
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- name: Install runtime dependencies
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run: |
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sudo apt-get update -q
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sudo apt-get install -y --no-install-recommends \
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libnss3 libatk1.0-0 libatk-bridge2.0-0 \
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libx11-6 libxcomposite1 libxdamage1 libxext6 \
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libxfixes3 libxrandr2 libxrender1 \
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libgtk2.0-0 libglib2.0-0 xvfb
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- name: Download build artifacts
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uses: actions/download-artifact@v4
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with:
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name: build-py${{ matrix.python-version }}-linux64
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path: build/artifacts/
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- name: Set up cefpython3 package for testing
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run: cp -r build/artifacts/. cefpython3/
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- name: Run unit tests
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run: xvfb-run python unittests/_test_runner.py
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env:
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PYTHONPATH: ${{ github.workspace }}
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wheel:
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needs: test
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runs-on: ubuntu-24.04
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timeout-minutes: 15
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strategy:
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fail-fast: false
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matrix:
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python-version: ["3.10", "3.11", "3.12", "3.13", "3.14"]
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steps:
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- name: Checkout
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uses: actions/checkout@v4
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- name: Set up Python
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uses: actions/setup-python@v5
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with:
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python-version: ${{ matrix.python-version }}
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- name: Download build artifacts
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uses: actions/download-artifact@v4
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with:
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name: build-py${{ matrix.python-version }}-linux64
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path: build/artifacts/
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- name: Set up cefpython3 package
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run: cp -r build/artifacts/. cefpython3/
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- name: Build wheel
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run: python tools/build_distrib.py
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- name: Upload wheel artifact
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uses: actions/upload-artifact@v4
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with:
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name: cefpython3-py${{ matrix.python-version }}-linux64
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path: build/dist/*.whl

‎src/version/cef_version_linux.h‎

Lines changed: 18 additions & 59 deletions
Original file line numberDiff line numberDiff line change
@@ -35,68 +35,27 @@
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#ifndef CEF_INCLUDE_CEF_VERSION_H_
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#define CEF_INCLUDE_CEF_VERSION_H_
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38-
#define CEF_VERSION "3.3359.1774.gd49d25f"
39-
#define CEF_VERSION_MAJOR 3
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#define CEF_COMMIT_NUMBER 1774
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#define CEF_COMMIT_HASH "d49d25f881b68f418e243e12801cbbb7caebb563"
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#define COPYRIGHT_YEAR 2018
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44-
#define CHROME_VERSION_MAJOR 66
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#define CEF_VERSION "146.0.11+g3a0fcf1+chromium-146.0.7680.179"
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#define CEF_VERSION_MAJOR 146
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#define CEF_VERSION_MINOR 0
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#define CEF_VERSION_PATCH 11
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#define CEF_COMMIT_NUMBER 3505
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#define CEF_COMMIT_HASH "3a0fcf1e1b6249b50c96ac77c429bfefade09d96"
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#define COPYRIGHT_YEAR 2026
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#define CHROME_VERSION_MAJOR 146
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#define CHROME_VERSION_MINOR 0
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#define CHROME_VERSION_BUILD 3359
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#define CHROME_VERSION_PATCH 181
48-
49-
#define DO_MAKE_STRING(p) #p
50-
#define MAKE_STRING(p) DO_MAKE_STRING(p)
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52-
#ifndef APSTUDIO_HIDDEN_SYMBOLS
53-
54-
#include "include/internal/cef_export.h"
48+
#define CHROME_VERSION_BUILD 7680
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#define CHROME_VERSION_PATCH 179
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56-
#ifdef __cplusplus
57-
extern "C" {
58-
#endif
51+
#define CEF_SANDBOX_COMPAT_HASH "06ced0d54abb1a72"
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// The API hash is created by analyzing CEF header files for C API type
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// definitions. The hash value will change when header files are modified
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// in a way that may cause binary incompatibility with other builds. The
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// universal hash value will change if any platform is affected whereas the
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// platform hash values will change only if that particular platform is
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// affected.
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#define CEF_API_HASH_UNIVERSAL "84263345b0b1143139aba560e5e5ed16fb6a9628"
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#if defined(OS_WIN)
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#define CEF_API_HASH_PLATFORM "cf092ef692a2ff18b0fc732b58bde9b8b8655fcc"
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#elif defined(OS_MACOSX)
70-
#define CEF_API_HASH_PLATFORM "34f636bde2f02cb43c10061f384af4fc51c26e1f"
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#elif defined(OS_LINUX)
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#define CEF_API_HASH_PLATFORM "6b57a640612f8d459042917ad2568b1526a70af4"
73-
#endif
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// Experimental API hash for Linux (CEF_API_VERSION 999999).
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// Used by the cefpython build tools; sourced from cef_api_versions.h.
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#define CEF_API_HASH_PLATFORM "95e5118d3fc65ae6c2645b6f381947d38586e669"
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#define CEF_API_HASH_UNIVERSAL "95e5118d3fc65ae6c2645b6f381947d38586e669"
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// Returns CEF version information for the libcef library. The |entry|
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// parameter describes which version component will be returned:
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// 0 - CEF_VERSION_MAJOR
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// 1 - CEF_COMMIT_NUMBER
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// 2 - CHROME_VERSION_MAJOR
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// 3 - CHROME_VERSION_MINOR
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// 4 - CHROME_VERSION_BUILD
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// 5 - CHROME_VERSION_PATCH
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///
84-
CEF_EXPORT int cef_version_info(int entry);
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///
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// Returns CEF API hashes for the libcef library. The returned string is owned
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// by the library and should not be freed. The |entry| parameter describes which
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// hash value will be returned:
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// 0 - CEF_API_HASH_PLATFORM
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// 1 - CEF_API_HASH_UNIVERSAL
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// 2 - CEF_COMMIT_HASH
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///
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CEF_EXPORT const char* cef_api_hash(int entry);
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#ifdef __cplusplus
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}
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#endif
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#endif // APSTUDIO_HIDDEN_SYMBOLS
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#define DO_MAKE_STRING(p) #p
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#define MAKE_STRING(p) DO_MAKE_STRING(p)
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#endif // CEF_INCLUDE_CEF_VERSION_H_

‎tools/build.py‎

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Original file line numberDiff line numberDiff line change
@@ -31,6 +31,8 @@
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BUILD_DIR = os.path.join("build", "_cmake_build")
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PKG_DIR = "cefpython3"
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34+
WINDOWS = sys.platform == "win32"
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3537
def run(cmd, **kwargs):
3638
print("[build.py]", " ".join(str(a) for a in cmd))
@@ -45,34 +47,55 @@ def cmake_dev_build(clean=False, profiling=False, line_tracing=False):
4547
shutil.rmtree(BUILD_DIR)
4648
cache = os.path.join(BUILD_DIR, "CMakeCache.txt")
4749
if not os.path.exists(cache):
48-
cmake_args = ["cmake", "-S", ".", "-B", BUILD_DIR, "-A", "x64"]
50+
cmake_args = ["cmake", "-S", ".", "-B", BUILD_DIR]
51+
if WINDOWS:
52+
cmake_args += ["-A", "x64"]
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else:
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cmake_args += ["-G", "Ninja", "-DCMAKE_BUILD_TYPE=Release"]
4955
if profiling:
5056
cmake_args.append("-DENABLE_PROFILING=ON")
5157
if line_tracing:
5258
cmake_args.append("-DENABLE_LINE_TRACING=ON")
5359
run(cmake_args)
54-
run(["cmake", "--build", BUILD_DIR, "--config", "Release", "--parallel"])
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56-
# Copy .pyd to cefpython3/
57-
pyds = glob.glob(os.path.join(BUILD_DIR, "Release", "cefpython_py*.pyd"))
58-
if not pyds:
59-
print("[build.py] ERROR: no .pyd found after build")
61+
build_args = ["cmake", "--build", BUILD_DIR, "--parallel"]
62+
if WINDOWS:
63+
build_args += ["--config", "Release"]
64+
run(build_args)
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# Copy extension module to cefpython3/
67+
if WINDOWS:
68+
pattern = os.path.join(BUILD_DIR, "Release", "cefpython_py*.pyd")
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else:
70+
pattern = os.path.join(BUILD_DIR, "cefpython_py*.so")
71+
modules = glob.glob(pattern)
72+
if not modules:
73+
print("[build.py] ERROR: no extension module found after build")
6074
sys.exit(1)
61-
for pyd in pyds:
62-
dst = os.path.join(PKG_DIR, os.path.basename(pyd))
63-
shutil.copy2(pyd, dst)
75+
for mod in modules:
76+
dst = os.path.join(PKG_DIR, os.path.basename(mod))
77+
shutil.copy2(mod, dst)
6478
print("[build.py] ->", dst)
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66-
# Copy subprocess.exe to cefpython3/
67-
exe = os.path.join(BUILD_DIR, "subprocess_build", "Release", "subprocess.exe")
80+
# Copy subprocess executable to cefpython3/
81+
if WINDOWS:
82+
exe = os.path.join(BUILD_DIR, "subprocess_build", "Release", "subprocess.exe")
83+
else:
84+
exe = os.path.join(BUILD_DIR, "subprocess_build", "subprocess")
6885
if os.path.exists(exe):
69-
dst = os.path.join(PKG_DIR, "subprocess.exe")
86+
dst = os.path.join(PKG_DIR, os.path.basename(exe))
7087
shutil.copy2(exe, dst)
7188
print("[build.py] ->", dst)
7289

73-
# One-time: copy CEF runtime files (DLLs, .pak, locales/) into cefpython3/
74-
if not glob.glob(os.path.join(PKG_DIR, "*.dll")):
75-
cef_dirs = sorted(glob.glob(os.path.join("build", "cef*_win64")))
90+
# One-time: copy CEF runtime files (DLLs/SOs, .pak, locales/) into cefpython3/
91+
if WINDOWS:
92+
already_copied = bool(glob.glob(os.path.join(PKG_DIR, "*.dll")))
93+
cef_glob = os.path.join("build", "cef*_win64")
94+
else:
95+
already_copied = os.path.exists(os.path.join(PKG_DIR, "libcef.so"))
96+
cef_glob = os.path.join("build", "cef*_linux64")
97+
if not already_copied:
98+
cef_dirs = sorted(glob.glob(cef_glob))
7699
if cef_dirs:
77100
cef_bin = os.path.join(cef_dirs[-1], "bin")
78101
print("[build.py] One-time: copying CEF runtime files to", PKG_DIR)

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