From f63ca8df81bc36dc725f702a3a1d910a626ecf55 Mon Sep 17 00:00:00 2001
From: Noah Santschi-Cooney <noah@santschi-cooney.ch>
Date: Thu, 19 Nov 2020 15:52:19 +0000
Subject: [PATCH] Pass one of backward-cpp based backtraces on failure

---
 .gitignore                 | 6 ++++++
 .gitmodules                | 3 +++
 CMakeLists.txt             | 2 ++
 src/indexer/CMakeLists.txt | 9 +++++++--
 src/indexer/backward-cpp   | 1 +
 5 files changed, 19 insertions(+), 2 deletions(-)
 create mode 100644 .gitignore
 create mode 100644 .gitmodules
 create mode 160000 src/indexer/backward-cpp

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000000..8b72f84814
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,6 @@
+build
+bin
+.clangd
+compile_commands.json
+dump.lsif
+cmake-build-debug
\ No newline at end of file
diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000000..4225bd1d50
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "src/indexer/backward-cpp"]
+	path = src/indexer/backward-cpp
+	url = git@github.com:bombela/backward-cpp.git
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 069a0aee90..407381f9ea 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -3,6 +3,8 @@ cmake_minimum_required(VERSION 3.16)
 set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
+set(CMAKE_BUILD_TYPE RelWithDebInfo)
+set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O3 -DNDEBUG -g")
 
 include_directories(${CMAKE_CURRENT_SOURCE_DIR}/src)
 set (CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/bin)
diff --git a/src/indexer/CMakeLists.txt b/src/indexer/CMakeLists.txt
index 6daba144c4..3798f1583f 100644
--- a/src/indexer/CMakeLists.txt
+++ b/src/indexer/CMakeLists.txt
@@ -1,8 +1,13 @@
 include_directories(${CMAKE_CURRENT_SOURCE_DIR}/../)
 
+add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/backward-cpp)
+
 add_executable(lsif-clang
-  IndexerMain.cpp
-  )
+    IndexerMain.cpp
+    ${BACKWARD_ENABLE}
+)
+
+add_backward(lsif-clang)
 
 install(TARGETS lsif-clang)
 
diff --git a/src/indexer/backward-cpp b/src/indexer/backward-cpp
new file mode 160000
index 0000000000..27a89004a8
--- /dev/null
+++ b/src/indexer/backward-cpp
@@ -0,0 +1 @@
+Subproject commit 27a89004a86fe2a665f041c198c7fbab7489e278