#!/bin/sh

set -eu
eval "$(args freshen-build-uberbaum ubersrc uberbuild gccsrc gccbuild -- "$@")"

cmd () {
    echo
    echo "freshen-build-uberbaum: $1" >&2
    eval "$1" || {
      status="$?"
      echo "exit status: $status"
      return $status
    }
}

# Always start with the latest sources. 
cmd "freshen-and-patch '$ubersrc'"
cmd "freshen-and-patch '$gccsrc'"

# And empty build trees.
cmd "wipe-build-tree '$uberbuild'"
cmd "wipe-build-tree '$gccbuild'"


# First, we build and install binutils from uberbaum.
cmd "cd '$uberbuild'"
cmd "CFLAGS=-g3 $(compiler $uberbuild) '$ubersrc/configure' $(config-flags $uberbuild)"
cmd "$(compiler $uberbuild) make all-binutils"
cmd "$(compiler $uberbuild) make install-binutils"

cmd "uberbin='$(prefix $uberbuild/config.status)/bin'"
setpath="with-path '$uberbin' $(compiler $gccbuild)"


# Then, we build and install GCC from its own repository, which, if
# it's a cross-compiler, depends on the target 'ar' we just built.
cmd "cd '$gccbuild'"
cmd "CFLAGS=-g3 ${setpath} '$gccsrc/configure' $(config-flags $gccbuild)"
cmd "${setpath} make"
cmd "${setpath} make install"


# And finally, we build the entire tree from sources.
cmd "cd '$uberbuild'"
cmd "${setpath} make install"