From c09cab35386b9c62651f99f8c71242ca0ee1f072 Mon Sep 17 00:00:00 2001
From: "Joshua A. Anderson" <joaander@umich.edu>
Date: Thu, 19 Sep 2024 12:54:31 -0400
Subject: [PATCH] Automatically create compile-commands.json

---
 .gitignore     |  6 +++++-
 CMakeLists.txt | 10 ++++++++++
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/.gitignore b/.gitignore
index 60617624..cf609b9d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,6 +2,10 @@
 __pycache__
 devdoc
 build
-.cache
 *.pyc
 .pytest_cache
+
+# clangd
+.clangd
+.cache
+compile_commands.json
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 643793e2..df6910da 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -135,3 +135,13 @@ include_directories(${CMAKE_CURRENT_SOURCE_DIR}/extern/random123/include)
 include_directories(${CMAKE_CURRENT_SOURCE_DIR}/extern/random123/examples)
 
 add_subdirectory(fresnel)
+
+# enable compile_commands.json
+set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
+if (NOT WIN32)
+  file(CREATE_LINK
+    "${CMAKE_BINARY_DIR}/compile_commands.json"
+    "${CMAKE_SOURCE_DIR}/compile_commands.json"
+    SYMBOLIC
+  )
+endif()