130 lines
3.9 KiB
Bash
130 lines
3.9 KiB
Bash
#!/usr/bin/env bash
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# compile_lvgl.sh — Download LVGL v9.2 source and compile into lib/liblvgl.a
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# Clone & compile in /tmp (fast container-local fs).
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# Cache liblvgl.a on host mount (/code/lvgl/) to skip rebuild.
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set -e
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# Target configuration updates: Copyright 2026 Aaron Hance.
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source "$(dirname "${BASH_SOURCE[0]}")/target.sh"
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LVGL_VERSION="v9.2.2"
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LVGL_REPO="https://github.com/lvgl/lvgl.git"
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LVGL_DIR="/tmp/lvgl"
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LVGL_OBJ_DIR="/tmp/lvgl_obj_$ASURO_ARCH"
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CONF_DIR="$(pwd)/lvglh"
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OUT_DIR="$(pwd)/$OBJ_DIR"
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CACHE_DIR="/code/lvgl"
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CC="$C_COMPILER"
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CFLAGS="-ffreestanding \
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-fno-builtin -fno-stack-protector -fno-pic -fno-pie \
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-O2 -Wall -Wno-unused-function -Wno-unused-variable \
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-I${CONF_DIR} \
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-I${LVGL_DIR} \
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-I${LVGL_DIR}/.. \
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-DLV_CONF_INCLUDE_SIMPLE"
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echo " "
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echo "======================="
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echo " "
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echo "Compiling LVGL..."
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echo " "
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# If cached liblvgl.a exists on host mount, just copy it and skip everything
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if [ -f "${CACHE_DIR}/${LVGL_CACHE_NAME}" ]; then
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echo "Found cached liblvgl.a in ${CACHE_DIR}, copying to ${OUT_DIR}..."
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cp "${CACHE_DIR}/${LVGL_CACHE_NAME}" "${OUT_DIR}/liblvgl.a"
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echo "(Delete ${CACHE_DIR}/${LVGL_CACHE_NAME} to force a full rebuild.)"
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echo " "
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echo "LVGL compilation complete (cached)."
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echo " "
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exit 0
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fi
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# Clone LVGL into /tmp (container-local)
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rm -rf "$LVGL_DIR"
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echo "Downloading LVGL ${LVGL_VERSION}..."
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git clone --depth 1 --branch "${LVGL_VERSION}" "${LVGL_REPO}" "${LVGL_DIR}" 2>&1
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echo "Download complete."
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# Gather all LVGL .c source files (core library only, no demos/examples)
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SOURCES=$(find "${LVGL_DIR}/src" -name '*.c' -not -path '*/test/*')
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TOTAL=$(echo "$SOURCES" | wc -l)
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echo "Found ${TOTAL} LVGL source files."
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# Compile each .c file to .o (container-local)
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rm -rf "$LVGL_OBJ_DIR"
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mkdir -p "$LVGL_OBJ_DIR"
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COUNT=0
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ERRORS=0
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for src in $SOURCES; do
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COUNT=$((COUNT + 1))
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rel="${src#${LVGL_DIR}/src/}"
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obj_path="${LVGL_OBJ_DIR}/${rel%.c}.o"
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mkdir -p "$(dirname "$obj_path")"
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if ! "$CC" "${C_TARGET_OPTIONS[@]}" $CFLAGS -c "$src" -o "$obj_path" 2>&1; then
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echo "FAILED: $rel"
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ERRORS=$((ERRORS + 1))
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fi
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if [ $((COUNT % 50)) -eq 0 ]; then
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echo " Compiled ${COUNT}/${TOTAL}..."
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fi
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done
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echo "Compiled ${COUNT} files (${ERRORS} errors)."
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if [ "$ERRORS" -ne 0 ]; then
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echo "LVGL compilation FAILED with ${ERRORS} errors."
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exit 1
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fi
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# Archive into static library
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OBJECTS=$(find "$LVGL_OBJ_DIR" -name '*.o')
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ar rcs "${OUT_DIR}/liblvgl.a" $OBJECTS
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echo "Created ${OUT_DIR}/liblvgl.a"
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# Compile custom LVGL extension files from lvglh/
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LVGLH_SOURCES=$(find "${CONF_DIR}" -name '*.c' 2>/dev/null || true)
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if [ -n "$LVGLH_SOURCES" ]; then
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echo " "
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echo "Compiling custom LVGL files from lvglh/..."
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LVGLH_OBJ_DIR="/tmp/lvglh_obj"
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rm -rf "$LVGLH_OBJ_DIR"
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mkdir -p "$LVGLH_OBJ_DIR"
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HCOUNT=0
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HERRORS=0
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for src in $LVGLH_SOURCES; do
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HCOUNT=$((HCOUNT + 1))
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rel="${src#${CONF_DIR}/}"
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obj_path="${LVGLH_OBJ_DIR}/${rel%.c}.o"
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mkdir -p "$(dirname "$obj_path")"
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echo " [lvglh] $rel"
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if ! "$CC" "${C_TARGET_OPTIONS[@]}" $CFLAGS -c "$src" -o "$obj_path" 2>&1; then
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echo " FAILED: $rel"
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HERRORS=$((HERRORS + 1))
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fi
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done
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echo "Compiled ${HCOUNT} custom files (${HERRORS} errors)."
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if [ "$HERRORS" -ne 0 ]; then
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echo "Custom LVGL compilation FAILED."
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exit 1
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fi
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# Append custom objects into the existing archive
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HOBJECTS=$(find "$LVGLH_OBJ_DIR" -name '*.o')
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ar rcs "${OUT_DIR}/liblvgl.a" $HOBJECTS
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echo "Updated ${OUT_DIR}/liblvgl.a with custom objects."
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else
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echo "No custom LVGL files in lvglh/."
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fi
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# Cache liblvgl.a and source to host mount for next build
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echo "Caching LVGL to host mount..."
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mkdir -p "$CACHE_DIR"
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cp "${OUT_DIR}/liblvgl.a" "${CACHE_DIR}/${LVGL_CACHE_NAME}"
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echo "Done."
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echo " "
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echo "LVGL compilation complete."
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echo " " |