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qt5: minimize build and wheel size (#57)

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This commit is contained in:
Adeeb Shihadeh
2026-03-14 14:04:16 -07:00
committed by GitHub
parent c55046f7f0
commit 62afc9ea71
1 changed files with 61 additions and 19 deletions
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80
qt5/build.sh
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@@ -61,8 +61,12 @@ fi
git -C qtbase-src fetch --depth 1 origin "$QT_TAG"
git -C qtbase-src checkout --force FETCH_HEAD
# Build qtbase
# Clean install dir and build artifacts to avoid stale cache issues
rm -rf "$INSTALL_DIR"
# Build qtbase (disable modules cabana doesn't need)
cd qtbase-src
make distclean 2>/dev/null || true
./configure \
-release \
-prefix "$INSTALL_DIR" \
@@ -86,32 +90,70 @@ git -C qtcharts-src checkout --force FETCH_HEAD
# Build qtcharts
cd qtcharts-src
make distclean 2>/dev/null || true
"$INSTALL_DIR/bin/qmake"
make -j"$NJOBS"
make install
cd "$DIR"
# Replace symlinks with copies for wheel compatibility
find "$INSTALL_DIR" -type l | while read -r link; do
target="$(readlink -f "$link")"
if [ -f "$target" ]; then
rm "$link"
cp "$target" "$link"
elif [ -d "$target" ]; then
rm "$link"
cp -r "$target" "$link"
fi
done
# Strip binaries and libraries
find "$INSTALL_DIR" -type f -name '*.so*' -exec strip --strip-unneeded {} + 2>/dev/null || true
find "$INSTALL_DIR" -type f -name '*.dylib' -exec strip -x {} + 2>/dev/null || true
strip "$INSTALL_DIR/bin/moc" "$INSTALL_DIR/bin/rcc" "$INSTALL_DIR/bin/uic" 2>/dev/null || true
# Remove unnecessary files to reduce wheel size
# Cleanup (don't let individual failures kill the build)
set +e
rm -rf "$INSTALL_DIR/doc" "$INSTALL_DIR/mkspecs" "$INSTALL_DIR/lib/cmake" "$INSTALL_DIR/lib/pkgconfig"
find "$INSTALL_DIR/lib" -name '*.prl' -delete 2>/dev/null || true
find "$INSTALL_DIR/lib" -name '*.la' -delete 2>/dev/null || true
# Remove unnecessary binaries (qmake alone is 28MB, only needed for qtcharts build above)
find "$INSTALL_DIR/bin" -not -name moc -not -name rcc -not -name uic -not -type d -delete 2>/dev/null || true
if [[ "$(uname)" == "Linux" ]]; then
# Remove unnecessary shared libs (keep only what cabana links)
KEEP_LIBS="Qt5Core Qt5Gui Qt5Widgets Qt5Charts Qt5OpenGL Qt5XcbQpa Qt5EglFSDeviceIntegration Qt5EglFsKmsSupport"
for f in "$INSTALL_DIR/lib/"lib*.so; do
name="${f##*/lib}"; name="${name%.so}"
echo "$KEEP_LIBS" | grep -qw "$name" || rm -f "$INSTALL_DIR/lib/lib${name}".so*
done
# Remove unnecessary include dirs
KEEP_INCLUDES="QtCore QtGui QtWidgets QtCharts QtOpenGL"
for d in "$INSTALL_DIR/include/"*/; do
name="$(basename "$d")"
echo "$KEEP_INCLUDES" | grep -qw "$name" || rm -rf "$d"
done
# Remove static libs
find "$INSTALL_DIR/lib" -maxdepth 1 -name '*.a' -delete
# Replace symlinks with copies (wheels can't store symlinks)
find "$INSTALL_DIR" -type l | while read -r link; do
target="$(readlink -f "$link")"
if [ -f "$target" ]; then
rm "$link"; cp "$target" "$link"
elif [ -d "$target" ]; then
rm "$link"; cp -r "$target" "$link"
fi
done
# Deduplicate versioned .so: keep only .so and .so.5 (SONAME)
find "$INSTALL_DIR/lib" -maxdepth 1 -name 'lib*.so.5.15.18' -delete
find "$INSTALL_DIR/lib" -maxdepth 1 -name 'lib*.so.5.15' -delete
# Strip
find "$INSTALL_DIR" -type f \( -name '*.so*' -o -path '*/bin/*' \) -exec strip --strip-unneeded {} + 2>/dev/null || true
else
# macOS: replace symlinks, strip frameworks
find "$INSTALL_DIR" -type l | while read -r link; do
target="$(readlink -f "$link")"
if [ -f "$target" ]; then
rm "$link"; cp "$target" "$link"
elif [ -d "$target" ]; then
rm "$link"; cp -r "$target" "$link"
fi
done
find "$INSTALL_DIR" -type f -name '*.dylib' -exec strip -x {} + 2>/dev/null || true
find "$INSTALL_DIR/bin" -type f -exec strip -x {} + 2>/dev/null || true
find "$INSTALL_DIR/lib" -maxdepth 1 -name '*.a' -delete 2>/dev/null || true
fi
set -e
echo "Installed Qt5 to $INSTALL_DIR"
du -sh "$INSTALL_DIR"