From aaeaca8c6ebde47a7910e9561d5ed9d39bab2e19 Mon Sep 17 00:00:00 2001
From: Andreas Schneider <asn@cryptomilk.org>
Date: Fri, 25 Oct 2019 10:14:28 +0200
Subject: [PATCH] cmake: Link compile database to source dir for clangd

See
https://github.com/ycm-core/YouCompleteMe
https://github.com/abingham/emacs-ycmd

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
(cherry picked from commit d4328069652635a431e13db0d7c8cbe02af21082)
---
 .gitignore     | 2 ++
 CMakeLists.txt | 5 +++++
 2 files changed, 7 insertions(+)

diff --git a/.gitignore b/.gitignore
index 0baa4fa1..da6827ca 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,6 +4,8 @@
 *.swp
 *~$
 cscope.*
+compile_commands.json
+/.clangd
 tags
 /build
 /obj*
diff --git a/CMakeLists.txt b/CMakeLists.txt
index e9cc0389..ef12c8c3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -205,6 +205,11 @@ endif (WITH_SYMBOL_VERSIONING AND ABIMAP_FOUND)
 
 add_custom_target(dist COMMAND ${CMAKE_MAKE_PROGRAM} package_source DEPENDS ${_SYMBOL_TARGET})
 
+# Link compile database for clangd
+execute_process(COMMAND cmake -E create_symlink
+                "${CMAKE_BINARY_DIR}/compile_commands.json"
+                "${CMAKE_SOURCE_DIR}/compile_commands.json")
+
 message(STATUS "********************************************")
 message(STATUS "********** ${PROJECT_NAME} build options : **********")