From 7534a3c8154c3a0653aed44075e6a87c4ce8037d Mon Sep 17 00:00:00 2001
From: Nathan Brei <nbrei@jlab.org>
Date: Wed, 17 Jul 2024 01:24:04 -0400
Subject: [PATCH] Enable CMAKE_EXPORT_COMPILE_COMMANDS

---
 .gitignore     | 1 +
 CMakeLists.txt | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/.gitignore b/.gitignore
index 09a7b4bb5..ae9369ab0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -62,6 +62,7 @@ docs/latex/*
 cmake-build*/
 .idea/*
 .cache
+compile_commands.json
 
 # PODIO generated artifacts
 src/examples/PodioExample/datamodel/*
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 908dfb121..9be02064e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -37,6 +37,8 @@ set( CMAKE_BUILD_WITH_INSTALL_RPATH FALSE )
 set( CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib" )
 set( CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE )
 
+# Generate a compilation database, e.g. for IDE autocompletion
+set( CMAKE_EXPORT_COMPILE_COMMANDS TRUE )
 
 # Useful for debugging. Copied from:
 # https://stackoverflow.com/questions/9298278/cmake-print-out-all-accessible-variables-in-a-script