1

build.sh

@@ -1,6 +1,4 @@
 #!/usr/bin/env bash
-# NGS build helper
-# Usage: ./build.sh [command] [args...]
 set -euo pipefail
 
 ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
@@ -10,7 +8,6 @@ BUILD_DIR="${BUILD_DIR:-build}"
 JOBS="${JOBS:-$(nproc 2>/dev/null || echo 4)}"
 BIN="$BUILD_DIR/ngs"
 
-# apt packages required to compile NGS (ylib / HPSocket are not packaged here)
 APT_DEPS=(
     build-essential
     cmake
@@ -26,214 +23,49 @@ APT_DEPS=(
     tar
 )
 
-die() { echo "error: $*" >&2; exit 1; }
-info() { echo "==> $*"; }
+need_apt=0
+for c in g++ cmake make; do
+    command -v "$c" >/dev/null 2>&1 || need_apt=1
+done
+for pkg in "${APT_DEPS[@]}"; do
+    dpkg -s "$pkg" >/dev/null 2>&1 || need_apt=1
+done
 
-have_cmd() { command -v "$1" >/dev/null 2>&1; }
-
-# True only if the linker can resolve -lNAME (unversioned .so or .a).
-# Versioned runtime libs like libfoo.so.21 alone are NOT enough.
-find_lib() {
-    local name="$1"
-    local dir
-    for dir in /usr/local/lib /usr/lib/x86_64-linux-gnu /usr/lib /lib/x86_64-linux-gnu /lib; do
-        [[ -e "${dir}/lib${name}.so" || -e "${dir}/lib${name}.a" ]] && return 0
-    done
-    return 1
-}
-
-# Runtime .so is enough for DT_NEEDED deps of shared mysqlcppconn.
-find_lib_runtime() {
-    local name="$1"
-    local dir
-    for dir in /usr/local/lib /usr/lib/x86_64-linux-gnu /usr/lib /lib/x86_64-linux-gnu /lib; do
-        [[ -e "${dir}/lib${name}.so" || -e "${dir}/lib${name}.a" ]] && return 0
-        compgen -G "${dir}/lib${name}.so.*" >/dev/null && return 0
-    done
-    ldconfig -p 2>/dev/null | grep -E -q "lib${name}\\.so(\\.|$)" && return 0
-    return 1
-}
-
-cmd_help() {
-    cat <<EOF
-NGS build script
-
-Usage:
-  ./build.sh                 Configure + build
-  ./build.sh build           Same as above
-  ./build.sh rebuild         Clean then build
-  ./build.sh clean           Remove build directory
-  ./build.sh deps            Install apt build dependencies
-  ./build.sh check           Verify toolchain and libraries
-  ./build.sh run [args...]   Build if needed, then run ngs
-  ./build.sh install         cmake --install into /usr/local (needs sudo)
-  ./build.sh help            Show this help
-
-Env:
-  BUILD_DIR   Build directory (default: build)
-  JOBS        Parallel jobs (default: nproc)
-
-Notes:
-  - Preinstall ylib headers/libs under /usr/local (libylib.a + headers).
-  - Preinstall HPSocket (libhpsocket + /usr/local/include/HPSocket).
-  - MySQL Connector/C++ (libmysqlcppconn) is required because ylib links it.
-EOF
-}
-
-cmd_deps() {
-    have_cmd apt-get || die "apt-get not found (Debian/Ubuntu required for deps)"
-    info "Installing apt packages: ${APT_DEPS[*]}"
+if [[ "$need_apt" -eq 1 ]]; then
+    echo "==> installing build deps"
     sudo apt-get update
     sudo DEBIAN_FRONTEND=noninteractive apt-get install -y "${APT_DEPS[@]}"
-    info "Done. Ensure ylib and HPSocket are installed under /usr/local."
-}
-
-cmd_check() {
-    local ok=1
-    echo "Checking build prerequisites..."
-
-    for c in g++ cmake make; do
-        if have_cmd "$c"; then
-            echo "  [OK]   command: $c ($(command -v "$c"))"
-        else
-            echo "  [MISS] command: $c"
-            ok=0
-        fi
-    done
-
-    if [[ -d /usr/local/include/net && -d /usr/local/include/util ]]; then
-        echo "  [OK]   ylib headers: /usr/local/include/{net,util,...}"
-    else
-        echo "  [MISS] ylib headers under /usr/local/include (net/, util/, ...)"
-        ok=0
-    fi
-
-    if find_lib ylib; then
-        echo "  [OK]   library: ylib"
-    else
-        echo "  [MISS] library: ylib (expect /usr/local/lib/libylib.a)"
-        ok=0
-    fi
-
-    if [[ -d /usr/local/include/HPSocket || -d /usr/include/HPSocket ]]; then
-        echo "  [OK]   HPSocket headers"
-    else
-        echo "  [MISS] HPSocket headers"
-        ok=0
-    fi
-
-    if find_lib hpsocket; then
-        echo "  [OK]   library: hpsocket"
-    else
-        echo "  [MISS] library: hpsocket"
-        ok=0
-    fi
-
-    # Prefer shared mysqlcppconn.so so -lmysqlclient is not required at link time.
-    if [[ -e /usr/lib/x86_64-linux-gnu/libmysqlcppconn.so \
-       || -e /usr/local/lib/libmysqlcppconn.so \
-       || -e /usr/lib/libmysqlcppconn.so ]]; then
-        echo "  [OK]   library: mysqlcppconn (shared)"
-        if find_lib_runtime mysqlclient; then
-            echo "  [OK]   library: mysqlclient (runtime)"
-        else
-            echo "  [MISS] library: mysqlclient runtime (libmysqlclient.so.*)"
-            ok=0
-        fi
-        if find_lib mysqlclient; then
-            echo "  [OK]   library: mysqlclient (linkable, optional)"
-        else
-            echo "  [WARN] library: mysqlclient not linkable (ok with shared mysqlcppconn; install libmysqlclient-dev if link fails)"
+fi
+
+case "${1:-build}" in
+    clean)
+        rm -rf "$BUILD_DIR"
+        ;;
+    rebuild)
+        rm -rf "$BUILD_DIR"
+        cmake -S . -B "$BUILD_DIR"
+        cmake --build "$BUILD_DIR" -j"$JOBS"
+        echo "==> $BIN"
+        ;;
+    run)
+        shift || true
+        if [[ ! -x "$BIN" ]]; then
+            cmake -S . -B "$BUILD_DIR"
+            cmake --build "$BUILD_DIR" -j"$JOBS"
         fi
-    elif find_lib mysqlcppconn; then
-        echo "  [OK]   library: mysqlcppconn (static)"
-        if find_lib mysqlclient; then
-            echo "  [OK]   library: mysqlclient"
-        else
-            echo "  [MISS] library: mysqlclient (required for static mysqlcppconn; try: ./build.sh deps)"
-            ok=0
-        fi
-    else
-        echo "  [MISS] library: mysqlcppconn  (try: ./build.sh deps)"
-        ok=0
-    fi
-
-    for lib in sqlite3 leveldb ssl crypto z; do
-        if find_lib "$lib"; then
-            echo "  [OK]   library: $lib"
-        else
-            echo "  [MISS] library: $lib  (try: ./build.sh deps)"
-            ok=0
+        exec "$BIN" "$@"
+        ;;
+    build|"")
+        cmake -S . -B "$BUILD_DIR"
+        cmake --build "$BUILD_DIR" -j"$JOBS"
+        echo "==> $BIN"
+        ;;
+    *)
+        # treat as ngs args: build if needed, then run
+        if [[ ! -x "$BIN" ]]; then
+            cmake -S . -B "$BUILD_DIR"
+            cmake --build "$BUILD_DIR" -j"$JOBS"
         fi
-    done
-
-    if [[ -f /usr/include/cppconn/driver.h ]]; then
-        echo "  [OK]   header: cppconn/driver.h"
-    else
-        echo "  [MISS] header: cppconn/driver.h (libmysqlcppconn-dev)"
-        ok=0
-    fi
-
-    if [[ "$ok" -eq 1 ]]; then
-        info "All checks passed"
-        return 0
-    fi
-    die "prerequisite check failed"
-}
-
-cmd_clean() {
-    info "Removing $BUILD_DIR"
-    rm -rf "$BUILD_DIR"
-}
-
-cmd_build() {
-    cmd_check
-    info "Configuring ($BUILD_DIR)"
-    cmake -S . -B "$BUILD_DIR"
-    info "Building with -j$JOBS"
-    cmake --build "$BUILD_DIR" -j"$JOBS"
-    info "Binary: $BIN"
-}
-
-cmd_rebuild() {
-    cmd_clean
-    cmd_build
-}
-
-cmd_run() {
-    if [[ ! -x "$BIN" ]]; then
-        cmd_build
-    fi
-    info "Running $BIN $*"
-    exec "$BIN" "$@"
-}
-
-cmd_install() {
-    [[ -x "$BIN" ]] || cmd_build
-    info "Installing to system prefix (sudo)"
-    sudo cmake --install "$BUILD_DIR"
-}
-
-main() {
-    local cmd="${1:-build}"
-    if [[ $# -gt 0 ]]; then
-        shift
-    fi
-
-    case "$cmd" in
-        build)    cmd_build ;;
-        rebuild)  cmd_rebuild ;;
-        clean)    cmd_clean ;;
-        deps)     cmd_deps ;;
-        check)    cmd_check ;;
-        run)      cmd_run "$@" ;;
-        install)  cmd_install ;;
-        help|-h|--help) cmd_help ;;
-        *)
-            # Unknown first arg: treat as ngs runtime args (compat with old br.sh)
-            cmd_run "$cmd" "$@"
-            ;;
-    esac
-}
-
-main "$@"
+        exec "$BIN" "$@"
+        ;;
+esac