Fix build directory paths and improve archive extraction error handling

build-toolchain.sh

@@ -28,9 +28,9 @@ TOP="$(pwd)"
 CONFIGS_DIR="${TOP}/config"
 
 BUILD_DIR="${TOP}/build"
-BUILD_SRC_DIR="${BUILD_DIR}/src"
+BUILD_SRC_DIR="${TOP}/src"
 
-INSTALL_DIR="${TOP}/install"
+INSTALL_DIR="${BUILD_DIR}/install"
 INSTALL_BIN_DIR="${INSTALL_DIR}/bin"
 
 KERNEL_SYSROOT_DIR="${INSTALL_DIR}/sysroot"
@@ -57,8 +57,8 @@ echo "== Создание директорий =="
 mkdir -p "${KERNEL_SYSROOT_DIR}" "${BUILD_SRC_DIR}"
 
 echo "== Распаковка архивов в ${BUILD_SRC_DIR} =="
-for f in *.tar.xz; do
-    [ -f "$f" ] || { echo "Нет архивов *.tar.xz в текущей директории!"; exit 1; }
+for f in "${BUILD_SRC_DIR}"/*.tar.xz; do
+    [ -f "$f" ] || { echo "Нет архивов *.tar.xz в ${BUILD_SRC_DIR}!"; exit 1; }
     echo " * $f"
     tar -xf "$f" -C "${BUILD_SRC_DIR}"
 done