Merge #14276: doc: Add autogen.sh in ARM Cross-compilation

52beb9e Add autogen.sh in ARM Cross-compilation (Walter)

Pull request description:

  autogen for the config files was missing.

Tree-SHA512: 90e5fdc3392b64ff239b8f359a94a39a3e992640a67ad7ed80a1a5d765aabf95e4dc2f3f4af5ee2aefbe1d3effd7cef35a57b0fad0eaaef8346a07e460538e62

Author: MarcoFalke

doc/build-unix.md

@@ -278,6 +278,7 @@ To build executables for ARM:
     cd depends
     make HOST=arm-linux-gnueabihf NO_QT=1
     cd ..
+    ./autogen.sh
     ./configure --prefix=$PWD/depends/arm-linux-gnueabihf --enable-glibc-back-compat --enable-reduce-exports LDFLAGS=-static-libstdc++
     make