From 21a894b3c47e510a3342917bc04ec945aff2343d Mon Sep 17 00:00:00 2001
From: Matthew Thompson <matthew.thompson@nasa.gov>
Date: Thu, 11 Mar 2021 08:41:56 -0500
Subject: [PATCH] Use CMake to ignore build and install directories

---
 .gitignore     |  3 ---
 CMakeLists.txt | 11 +++++++++++
 2 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/.gitignore b/.gitignore
index 1ef81ae5..bbb5eb68 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,9 +2,6 @@
 /@cmake/
 /@modules/
 /@env/
-/BUILD/
-/build*/
-/install*/
 /.mepo/
 parallel_build.o*
 log.*
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 58c18aff..b6103aee 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -44,3 +44,14 @@ include_directories(${MPI_Fortran_INCLUDE_PATH})
 add_subdirectory (@env)
 add_subdirectory (src)
 
+# https://www.scivision.dev/cmake-auto-gitignore-build-dir/
+# --- auto-ignore build directory
+if(NOT EXISTS ${PROJECT_BINARY_DIR}/.gitignore)
+  file(WRITE ${PROJECT_BINARY_DIR}/.gitignore "*")
+endif()
+
+# Piggyback that file into install
+install(
+   FILES ${PROJECT_BINARY_DIR}/.gitignore
+   DESTINATION ${CMAKE_INSTALL_PREFIX}
+   )