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Ryan VanderMeulen 2aba1fe0dc Bug 1998498 - Update libxml2 to v2.15.1. r=firefox-build-system-reviewers,ahochheiden
Also clean up the CMake flags a bit to avoid some build warnings.

Breaking changes that were addressed:
- v2.12.0 made POSIX threads (-pthread) a required link dependency on Linux
  when building with threads:
  https://github.com/GNOME/libxml2/commit/c19771c1f13de9196f98260d142d8c8672eb5733
  Worked around by disabling LIBXML2_WITH_THREADS to avoid try-link failures.
- v2.13.0 made bcrypt a required link dependency on Windows:
  https://github.com/GNOME/libxml2/commit/2e9e758d1ecb52b73a43db79d326c18d7d94c8d7
  Addressed by updating build-clang.py to link bcrypt where needed.

Differential Revision: https://phabricator.services.mozilla.com/D271476
2025-11-10 13:17:38 +00:00

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#!/bin/bash
set -e -v -x
mkdir -p $UPLOAD_DIR
cd $MOZ_FETCHES_DIR/libxml2
export PATH="$MOZ_FETCHES_DIR/clang/bin:$PATH"
TARGET=${1?"First argument must be a valid value for CMAKE_C_COMPILER_TARGET"}
# Building the .rc file requires some extra work, but we don't
# actually need it, so just remove its creation.
sed -i /libxml2\\.rc/d CMakeLists.txt
case "$TARGET" in
*-pc-windows-msvc)
EXTRA_CMAKE_FLAGS="
-DCMAKE_C_COMPILER=clang-cl
-DCMAKE_LINKER=lld-link
-DCMAKE_MT=llvm-mt
-DCMAKE_C_FLAGS=\"-Xclang -ivfsoverlay -Xclang $MOZ_FETCHES_DIR/vs/overlay.yaml -winsysroot $MOZ_FETCHES_DIR/vs\"
-DCMAKE_EXE_LINKER_FLAGS=\"-winsysroot:$MOZ_FETCHES_DIR/vs\"
-DCMAKE_SYSTEM_NAME=Windows
-DCMAKE_MSVC_RUNTIME_LIBRARY=MultiThreaded
"
;;
*-unknown-linux-gnu)
EXTRA_CMAKE_FLAGS="
-DCMAKE_C_COMPILER=clang
-DCMAKE_C_FLAGS=\"--sysroot=$MOZ_FETCHES_DIR/sysroot\"
-DCMAKE_EXE_LINKER_FLAGS=\"-fuse-ld=lld --sysroot=$MOZ_FETCHES_DIR/sysroot\"
"
;;
esac
eval cmake \
-GNinja \
-DCMAKE_BUILD_TYPE=Release \
-DBUILD_SHARED_LIBS=Off \
-DCMAKE_C_COMPILER_TARGET=$TARGET \
$EXTRA_CMAKE_FLAGS \
-DLIBXML2_WITH_C14N=OFF \
-DLIBXML2_WITH_CATALOG=OFF \
-DLIBXML2_WITH_DEBUG=OFF \
-DLIBXML2_WITH_HTML=OFF \
-DLIBXML2_WITH_HTTP=OFF \
-DLIBXML2_WITH_ICONV=OFF \
-DLIBXML2_WITH_ICU=OFF \
-DLIBXML2_WITH_ISO8859X=OFF \
-DLIBXML2_WITH_LEGACY=OFF \
-DLIBXML2_WITH_MODULES=OFF \
-DLIBXML2_WITH_PROGRAMS=OFF \
-DLIBXML2_WITH_PUSH=OFF \
-DLIBXML2_WITH_PYTHON=OFF \
-DLIBXML2_WITH_READER=OFF \
-DLIBXML2_WITH_SCHEMATRON=OFF \
-DLIBXML2_WITH_TESTS=OFF \
-DLIBXML2_WITH_THREAD_ALLOC=OFF \
-DLIBXML2_WITH_THREADS=OFF \
-DLIBXML2_WITH_VALID=OFF \
-DLIBXML2_WITH_WRITER=OFF \
-DLIBXML2_WITH_XINCLUDE=OFF \
-DLIBXML2_WITH_XPATH=OFF \
-DLIBXML2_WITH_XPTR=OFF \
-DLIBXML2_WITH_ZLIB=OFF \
-DCMAKE_INSTALL_PREFIX=$PWD/libxml2 \
-B build
ninja -C build -v install
tar -caf libxml2.tar.zst libxml2/
cp libxml2.tar.zst $UPLOAD_DIR/