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Jérôme Duval

PROFILE

Jérôme Duval

Jerome Duval contributed to haikuports/haikuports by modernizing and stabilizing the build and packaging infrastructure for the Haiku operating system. He engineered cross-platform toolchain upgrades, integrated new libraries, and improved dependency management, focusing on C, C++, and Python scripting. Jerome addressed compatibility issues across architectures, streamlined CI workflows, and enhanced security through targeted updates to core components like LLVM, OpenSSL, and Go. His work included debugging support, packaging automation, and recipe maintenance, resulting in more reliable builds and easier onboarding for contributors. The depth of his engineering ensured maintainable, reproducible builds and a robust foundation for ongoing Haiku development.

Overall Statistics

Feature vs Bugs

80%Features

Repository Contributions

172Total
Bugs
18
Commits
172
Features
74
Lines of code
40,977
Activity Months19

Work History

April 2026

1 Commits • 1 Features

Apr 1, 2026

April 2026: Implemented initial Haiku OS debugging support in GDB within haikuports/haikuports, including compatibility updates for recent GDB versions and upstream patch hygiene improvements, delivering a foundation for Haiku developers to debug with modern tools and improved performance.

March 2026

13 Commits • 4 Features

Mar 1, 2026

March 2026 (2026-03) monthly summary for haikuports/haikuports: Delivered a focused set of feature upgrades, packaging improvements, and security hardening with a release-ready set of commits. Key outcomes include: - GDB upgrades across versions 15.2, 16.3, and 17.1 with Haiku OS support and related patches; - Packaging improvements for dragengine to ensure necessary libraries are included at install time, plus copyright update, readability enhancements, and checksum update; - Hugo package recipe added for Haiku packaging to enable easy installation; - Library and tool updates (Harfbuzz 13.1.1, Expat 2.7.5, Go 1.26.1, tcpdump 4.99.6) to improve security, compatibility, and access to newer features; - Security hardening: disable executable stack by default in binutils addressing issue #13782. These changes improve build reliability, security posture, and user install experience across Haiku OS.

February 2026

12 Commits • 10 Features

Feb 1, 2026

February 2026 (2026-02) monthly summary for haikuports/haikuports. Delivered a set of cross-cutting platform updates, security enhancements, and tooling modernization that improve stability, performance, and maintainability across the Haiku port. Highlights include Expat entropy integration and Haiku OS support, a security-focused OpenSSL upgrade with Haiku adjustments, and key build-system/toolchain improvements that streamline CI and packaging.

January 2026

3 Commits • 1 Features

Jan 1, 2026

January 2026 (2026-01) monthly summary for haikuports/haikuports. Key features delivered include a Font Rendering Upgrade by upgrading FreeType to 2.14.1 and integrating HarfBuzz as a supplementary library; build configurations and checksums were updated to support the new version and improved text shaping pipeline. Major bugs fixed include a HarfBuzz build recipe issue (missing backslash). Overall impact: improved text rendering quality, more robust build processes, reduced hard dependencies, and improved maintainability. Technologies demonstrated: FreeType/Harfbuzz integration, build recipes, dependency management, checksum handling.

December 2025

4 Commits • 2 Features

Dec 1, 2025

December 2025: haikuports/haikuports delivered core toolchain improvements and platform enablement with measurable business value. Key work includes an LLVM upgrade path covering 21.1.7 and 21.1.8 with new source tarball checksums and patches, enabling newer toolchains for Haiku builds; addition of haiku_devel to the Go recipe to support Go development on Haiku; and a targeted LLVM x86 build compatibility fix.

November 2025

5 Commits • 2 Features

Nov 1, 2025

November 2025 (haikuports/haikuports) — Delivered Go language support, key build toolchain upgrades, and improved stability. Strengthened business value by enabling Go-based workflows and ensuring compatibility with current projects through a refreshed toolchain (LLVM, coreutils) and dev dependency management (libcurl).

October 2025

12 Commits • 4 Features

Oct 1, 2025

Monthly summary for 2025-10 focusing on business value and technical achievements across haikuports/haikuports. Highlights include packaging and compatibility improvements for exfatprogs on Haiku, GCC2 compatibility and popcount fixes for FFmpeg7, library updates (ZYDIS/ZYCORE) with install path fixes, OpenSSH packaging updates aligned with OpenSSL ABI changes, and core tooling upgrades (OpenSSL/LLVM). These efforts improve cross-platform packaging, build stability, security posture, and maintenance efficiency, delivering tangible features and reduced breakage across critical components.

September 2025

16 Commits • 4 Features

Sep 1, 2025

Month: 2025-09. Focused on stabilizing and modernizing HaikuPorts' toolchain and crypto libraries for x86 Haiku builds, while strengthening packaging automation and build tooling. Delivered a faster, more secure, and maintainable shipping stack for HaikuPorts.

August 2025

3 Commits • 1 Features

Aug 1, 2025

August 2025 monthly summary for haikuports/haikuports: Delivered LLVM 21.1.0 Haiku integration and OpenSSL 3.5.2 packaging updates. Implemented a new HaikuPort recipe for LLVM/Clang/LLD with Haiku-specific build adjustments and secondary architecture support; updated packaging metadata and checksums to maintain integrity and automation compatibility. These changes enable up-to-date toolchains on Haiku, improve cross-architecture support, and reinforce packaging reliability.

July 2025

3 Commits • 1 Features

Jul 1, 2025

2025-07 Monthly Summary — haikuports/haikuports: Build system refresh enabling LibreOffice 6.4 and a Boost compatibility fix, delivering improved build reliability and downstream packaging readiness. Key outputs include updated LLVM build recipe to 20.1.8, reintroducing libssl3 to trigger the LibreOffice 6.4 build, and a Boost 1.88 compatibility fix by using the full libVersion in libVersionCompat.

June 2025

3 Commits • 1 Features

Jun 1, 2025

June 2025 monthly summary for haikuports/haikuports: Focused on tooling maintenance and compatibility updates across Lutok, Kyua, and ATF to ensure modern Lua compatibility and broad platform support. No new feature work beyond maintenance; this effort improves test tooling reliability and broadens platform compatibility for the project.

May 2025

5 Commits

May 1, 2025

Summary for 2025-05: Stabilized haikuports/haikuports LLVM 20 x86/Haiku builds and hardened the build graph. Implemented signal frame unwinding fixes and build cleanups for LLVM 20 on x86/Haiku, and adjusted parallel build settings with sanitizer compatibility updates. Cleaned groff dependencies to prevent build loops by removing libuchardet and libgs. These changes improve CI reliability, reduce build time variance, and lower maintenance overhead.

April 2025

12 Commits • 8 Features

Apr 1, 2025

April 2025 monthly summary for haikuports/haikuports. This period focused on delivering security-conscious runtime updates, cross-version OpenJDK support, targeted build stabilization on legacy architectures, and enabling modern protocol features to extend Haiku's software coverage and reliability.

March 2025

9 Commits • 4 Features

Mar 1, 2025

March 2025 performance summary for haikuports/haikuports: Delivered key packaging enhancements and critical library updates across LLVM, OpenSSL, Expat, and Freeciv to improve build reliability, runtime safety, and cross-arch support. Notable outcomes include a new LLVM 20.1.0 Haikuports recipe with parallel builds, ASan and OpenMP enablement; an OpenSSL 3.0.16 update with ASan-friendly linker changes; robust Freeciv installer with hardened directory handling; and Expat 2.7.1 upgrade. These changes reduce failure points, accelerate CI builds, and enable safer, more scalable package provisioning.

February 2025

4 Commits • 2 Features

Feb 1, 2025

February 2025 monthly summary for haikuports/haikuports focusing on delivering updated dependencies and stabilizing the packaging workflow to support future upgrades. Key features delivered include font asset updates and a major library upgrade, while a targeted build fix eliminates a recurring configuration issue. Overall, these changes improve UI consistency, build reliability, and cross-recipe compatibility, enabling smoother maintenance and faster onboarding for future contributors.

January 2025

16 Commits • 12 Features

Jan 1, 2025

January 2025 focused on modernization, compatibility, and dependency stewardship across haikuports/haikuports. The changes reduce technical debt, align with current toolchains, and lay groundwork for future features while keeping Haiku ports stable and reproducible.

December 2024

30 Commits • 14 Features

Dec 1, 2024

December 2024 monthly summary for haikuports/haikuports: Delivered targeted build reliability improvements, new PyQt6 packaging recipes, and broad component modernization to improve packaging coverage, security posture, and cross-architecture support. The work emphasizes business value: more reliable builds, faster delivery of updated software stacks, and reduced maintenance risk across a large repository of interdependent recipes. Key features and fixes delivered: - Less: Build fixes to enable gcc2 compatibility and correct handling of CFLAGS, delivering a stable build for legacy toolchains. Commits: f699240426dd0a9e2aed3b9c3f2006fe615f34e0; 09ec963df8a189514907af10269f981f4810d8b7. - PyQt6: New recipes added for pyqt6_sip and the core PyQt6 package, expanding packaging coverage for Qt6-based UIs. Commits: 0442782032a4afe50faf11565f128ff313db84df; e3f61b2fda8f1a9399130fa8f7c363edfe84316d. - PyQt6: QMake path fixes on x86 to ensure correct qmake/qmake6 resolution, improving cross-arch build reliability. Commits: 5ab563a2661a517e1e8d438e6cabaefd6ebf2039; 85b6ed1b4f4e394e94ee1f8469b3664ed0b469af; 34fa3905dd3d6d2cdf7452685bdab4b88e1105a1. - Maintenance: Version bumps across multiple components (less, openssl3, retext, sip, pyqt_builder, sqlite, cmake, meson) to align with security and compatibility baselines. Commits include: 739c561dae0e840a93265431591d91359dee4b5e; 9f33c81d9f6cd2e8bb2ab47fe4b020c1dc519e76; fdfc876581abb46f25f283ec035095691472c00c; 09d0db247b8cded968ef6e94570143616a91ba83; f5c381a8c9b71be57d73c76956285ae5bbe6a7f5; df730f5193721c6b75452943ac9d631ba5700c66; 47eeee033d638d561cbffb792424762645042742; 9354b831d82b93924d6a43a91c89828d4ac4698c. - Update: Bump major libraries to latest versions (libcdr, chafa, libetonyek, gnupg, dav1d, libsdl2, openjpeg, gpgme, llvm19) to reduce exposure to vulnerabilities and improve feature parity. Commits: efb8a7c9b8b53688e88e27934d9aa819649c128f; c82b02db49683d57a099b0761ebbb801c6dea410; ca5c0fba393399de8cd229c1d7ba0fba3948012c; ef5256fa9eb7445836836880883a793cabf3f81c; 27def002d4d513e0e254a9d15c1f86eb23dd700c; 387b89f22ff587ce916c6884998eddbb0c23dbce; 96a2b3b073b6f6aefbc20ffaf77ddd10e6e35ea8; 465a8a86d7bc0a8fa0a3f2250d5066ee259fdf4f; 1e1ae3cece1a9a30bbc8831aee27b43c5664dd13. - Additional library and tooling updates: libetonyek (rebuild after mdds2.1 switch to any arch) and related assets (milkytracker, bzip3) to keep the stack cohesive and testable. Commits: e7ad6dcb013397beef3f9088f075507943679615; 8be7a61d844d9d0b4e406c4c0ec7505047fa4cfb; e22f990926f0f06f70783354206f73763f0914b3; 94617728816ec7a136e71a2b522d6293c61e8ab2. - Misc improvements: cmake_gui revision/checksum fix to ensure integrity of the build inputs. Commit: 3d95a88f179874cd3c28d77da5f4f117c68a4277; also prep for bumping additional components like milkytracker and bzip3 recipes. Commits: 8be7a61d844d9d0b4e406c4c0ec7505047fa4cfb; 94617728816ec7a136e71a2b522d6293c61e8ab2. Overall impact and accomplishments: - Improved build reliability across legacy and modern toolchains, enabling consistent nightly and release builds for haikuports users. - Expanded packaging coverage with PyQt6, supporting a broader set of Qt6-based desktop applications. - Strengthened security and compatibility posture by aligning a large set of core components to latest stable versions. - Reduced downstream maintenance risk through centralized version management and cross-arch considerations. Technologies and skills demonstrated: - Cross-architecture packaging and path resolution debugging (x86/qmake) - Build system resilience (gcc2 compatibility, CFLAGS handling, revision/checksum integrity) - Dependency management and versioning discipline across a large mono-repo - Packaging automation readiness for Python/Qt ecosystems and C/C++ libraries

November 2024

17 Commits • 1 Features

Nov 1, 2024

November 2024 performance review: Delivered a major upgrade cycle for the Haiku port, combining core libraries/toolchain upgrades with a targeted UI bug fix, resulting in improved stability, security, and Haiku compatibility. The work reduced patch drift, accelerated future updates, and enhanced end-user experience through more reliable builds and packaging across the HaikuPort ecosystem.

October 2024

4 Commits • 2 Features

Oct 1, 2024

Monthly summary for 2024-10 focusing on packaging and build-system improvements in haikuports/haikuports. Key features delivered: - Curl Packaging Improvements: Removed private curl_devel dependencies (libnghttp2, libssl, libz) and updated libcurl.pc to simplify static linking; conditionally disabled libpsl on x86_gcc2 by adjusting REQUIRES/BUILD_REQUIRES and passing --without-libpsl to configure. (Commits: de1a699f7b33176b9240ad7390248aa36fbb46d8; c22ea2267d8e85fd40d08188d43924e3eda0c0ef) - Ncurses Upgrade and Build Streamlining: Upgraded to ncurses 6.5 with wide-character support by default and streamlined the ncurses6 build script for maintainability. (Commits: b9946791e41b8f3b1253711f7e1d034a82abe91b; 9157617e1e33c1fb355ce11f1085b5412d7f34b9) Major bugs fixed: - No explicit bug fixes listed for this period; emphasis on feature delivery and build reliability improvements. Overall impact and accomplishments: - Reduced dependency surface and improved portability by removing private curl_devel dependencies and disabling libpsl on specific architectures. - Improved build reliability and maintainability through ncurses upgrade and build script cleanup, benefiting future releases and cross-platform consistency. Technologies/skills demonstrated: - Packaging recipe refactoring, dependency management, and conditional build configurations. - Version upgrades and cleanup of build scripts for maintainability. - Cross-architecture support considerations and static linking optimizations. Business value: - Shorter, more reliable build pipelines; easier maintenance; reduced risk from private dependencies; better portability for HaikuPorts across platforms.

Activity

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Quality Metrics

Correctness90.0%
Maintainability91.0%
Architecture88.0%
Performance84.0%
AI Usage20.4%

Skills & Technologies

Programming Languages

CC++CMakeGoGolangMakefilePerlPythonRecipeShell

Technical Skills

Build SystemBuild System ConfigurationBuild System ManagementBuild SystemsBuild automationC DevelopmentC Library IntegrationC ProgrammingC programmingC++C++ DevelopmentC++ developmentC++ programmingC/C++ DevelopmentC/C++ development

Repositories Contributed To

1 repo

Overview of all repositories you've contributed to across your timeline

haikuports/haikuports

Oct 2024 Apr 2026
19 Months active

Languages Used

CShellC++MakefilePythonRecipeCMakeYAML

Technical Skills

Build SystemBuild System ConfigurationBuild System ManagementPackage ManagementBuild SystemsC Development