From 61d5cedf58fb26b33549bf7620e341fcd846f8f7 Mon Sep 17 00:00:00 2001
From: lukemartinlogan <lukemartinlogan@gmail.com>
Date: Tue, 6 Feb 2024 19:40:42 -0600
Subject: [PATCH] Update readme details

---
 README.md | 39 ++++++++++++++++++++++++++++++++++-----
 1 file changed, 34 insertions(+), 5 deletions(-)

diff --git a/README.md b/README.md
index 87bb18f1..934749ec 100644
--- a/README.md
+++ b/README.md
@@ -3,21 +3,50 @@
 This work is an adapter which connects ADIOS to Hermes through the use
 of the ADIOS plugins interface.
 
-## Install
+## Dependencies
+
+* [Hermes](https://github.com/HDFGroup/hermes): a multi-tiered I/O buffering platform.
+* [ADIOS2](https://github.com/ornladios/ADIOS2): an I/O library
 
-To compile
+### ADIOS2
 
+We have found some cases where spack failed to install ADIOS2. Below are
+instructions on installing ADIOS2 from source. SCSPKG is a system for
+organizing manually-built software and producing modulefiles for them.
+Instructions to install are [here](https://grc.iit.edu/docs/hermes/building-hermes#optional-create-a-hermes-scspkg-repo).
 
+```bash
+scspkg create adios2
+cd $(scspkg pkg src adios2)
+git clone https://github.com/ornladios/ADIOS2.git
+cd ADIOS2
+mkdir build
+cd build
+cmake ../ \
+-DCMAKE_INSTALL_PREFIX=$(scspkg pkg root adios2) \
+-DADIOS2_USE_HDF5=ON \
+-DADIOS2_USE_MPI=ON
+make -j32 install
 ```
-git clone https://github.com/lukemartinlogan/coeus-adapter.git
-spack load hermes@master
-spack load adios2
+
+## Install
+
+Load dependencies:
+```bash
+spack load hermes
+module load adios2
+```
+
+To compile:
+```
+git clone https://github.com/grc-iit/coeus-adapter.git
 cd coeus-adapter
 mkdir build
 cd build
 cmake ../
 make -j8
 ```
+
 Note:
 To enable metadata and function trace feature, please add flag during cmake
 ```