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ci: Use build-mode none for CodeQL C/C++ scanning #6900

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ci: Use build-mode none for CodeQL C/C++ scanning #6900

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26 changes: 8 additions & 18 deletions .github/workflows/codeql-analysis.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -62,28 +62,18 @@ jobs:

- name: Initialize CodeQL
uses: github/codeql-action/init@5d4e8d1aca955e8d8589aabd499c5cae939e33c7 # v4.31.9
id: init
with:
languages: ${{ matrix.language }}
config-file: ./.github/codeql/codeql-config.yml
# Use build-mode: none for C/C++ to scan all source files without requiring a build
# This improves coverage from ~3.01k to all ~3.35k C files in the repository
# Generated code (flex/bison) in build directories won't be scanned, which is acceptable
# Python and Actions languages ignore build-mode parameter
build-mode: ${{ matrix.language == 'c-cpp' && 'none' || '' }}

- name: Create installation directory
run: |
mkdir "${HOME}/install"

- name: Set LD_LIBRARY_PATH for compilation
run: |
echo "LD_LIBRARY_PATH=${HOME}/install/lib" >> "${GITHUB_ENV}"

- name: Set number of cores for compilation
run: |
echo "MAKEFLAGS=-j$(nproc)" >> "${GITHUB_ENV}"

- name: Build
if: ${{ matrix.language == 'c-cpp' }}
env:
CFLAGS: -std=gnu17
CXXFLAGS: -std=c++17
run: .github/workflows/build_ubuntu-24.04.sh "${HOME}/install"
# Build step removed for C/C++ when using build-mode: none
# Dependencies are still installed above to ensure headers are available for analysis

- name: Perform CodeQL Analysis
uses: github/codeql-action/analyze@5d4e8d1aca955e8d8589aabd499c5cae939e33c7 # v4.31.9
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