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libxml2: preserve resolver zlib inputs in manual build #901

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libxml2: preserve resolver zlib inputs in manual build #901

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15 changes: 10 additions & 5 deletions packages/registry/libxml2/build-libxml2.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -57,10 +57,12 @@ if [ -z "$ZLIB_PREFIX" ]; then
ZLIB_PREFIX="$LEGACY_ZLIB"
fi

if [ ! -f "$ZLIB_PREFIX/lib/libz.a" ]; then
echo "ERROR: zlib not found at $ZLIB_PREFIX" >&2
if [ ! -f "$ZLIB_PREFIX/lib/libz.a" ] || [ ! -f "$ZLIB_PREFIX/include/zlib.h" ]; then
echo "ERROR: zlib headers and archive not found at $ZLIB_PREFIX" >&2
exit 1
fi
ZLIB_CPPFLAGS="-I$ZLIB_PREFIX/include"
ZLIB_LDFLAGS="-L$ZLIB_PREFIX/lib"

# --- Fetch + verify source ---
if [ ! -d "$SRC_DIR" ]; then
Expand Down Expand Up @@ -93,6 +95,8 @@ wasm32posix-configure \
--without-threads \
--with-zlib="$ZLIB_PREFIX" \
--prefix="$INSTALL_DIR" \
CPPFLAGS="$ZLIB_CPPFLAGS" \
LDFLAGS="$ZLIB_LDFLAGS" \
CFLAGS="-O2"

# Compile directly without libtool. Source list mirrors Makefile.am's
Expand All @@ -112,15 +116,16 @@ SOURCES=(
schematron.c
)

CFLAGS="-O2 -DHAVE_CONFIG_H -I. -I./include"
# The hand compile bypasses configure's generated Makefiles, so carry the
# resolver-owned zlib include path into this phase explicitly.
COMPILE_FLAGS=(-O2 -DHAVE_CONFIG_H -I. -I./include "$ZLIB_CPPFLAGS")

echo "==> Compiling libxml2 source files..."
OBJS=()
for src in "${SOURCES[@]}"; do
if [ -f "$src" ]; then
obj="${src%.c}.o"
# shellcheck disable=SC2086
wasm32posix-cc $CFLAGS -c "$src" -o "$obj"
wasm32posix-cc "${COMPILE_FLAGS[@]}" -c "$src" -o "$obj"
OBJS+=("$obj")
fi
done
Expand Down
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