Merge pull request #1206 from Agoric/ms/add-building-agd-instructions

Adding Instructions to build `agd`

Author: amessbee

main/guides/integration/chain-integration.md

@@ -29,11 +29,20 @@ The chain can also be accessed via JavaScript using the [`cosmjs` library](https
 
 ## Building `agd`
 
-The `agd` command line tool can be built as described in the Agoric [getting-started documentation](https://docs.agoric.com/guides/getting-started#build-the-cosmic-swingset-package). The linked step builds `agd`. To confirm that `agd` is in your `$PATH`, execute
-
+The `agd` command line tool can be built by running the commands as below:
+```sh
+git clone -b community-dev https://github.com/Agoric/agoric-sdk
+cd agoric-sdk
+SKIP_DOWNLOAD=false ./bin/agd build
+export PATH=$PWD/bin:$PATH
+```
+To confirm that `agd` is in your `$PATH`, execute
 ```
 agd version --long
 ```
+Unlike typical cosmos-sdk chains where the daemon is a single executable file, Agoric's use of cosmos-sdk depends 
+on many components of agoric-sdk at runtime. Copying `agd` to `/usr/local/bin` or the like is unlikely to produce
+a working installation. For more detail, see [#7825](https://github.com/Agoric/agoric-sdk/issues/7825).
 
 # FAQ