doc: build: update description of build dependencies for Alpine Linux

Signed-off-by: Milan P. Stanić <mps@arvanta.net>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reformat and keep ncurses-dev needed for 'make menuconfig'
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>

diff --git a/doc/build/gcc.rst b/doc/build/gcc.rst
index a0650a51db4bf7ce54d7de27dd43cfbeed0d9255..23501dea376c75673874f1c359a2dd8eb78d5706 100644 (file)
--- a/doc/build/gcc.rst
+++ b/doc/build/gcc.rst
@@ -60,8 +60,14 @@ For building U-Boot on Alpine Linux at least the following packages are needed:
 
 .. code-block:: bash
 
-    apk add alpine-sdk bc bison dtc flex linux-headers ncurses-dev \
-      openssl-dev perl python3 py3-setuptools python3-dev sdl2-dev
+    apk add alpine-sdk bc bison dtc flex gnutls-dev linux-headers ncurses-dev \
+      openssl-dev py3-elftools py3-setuptools python3-dev swig util-linux-dev
+
+Depending on the build target further packages may be needed:
+
+* sandbox with lcd: sdl2-dev
+* riscv64 S-mode targests: opensbi
+* some arm64 targets: arm-trusted-firmware
 
 Prerequisites
 -------------