From c43f15d65956d6f40c32c54779414e74bbb62295 Mon Sep 17 00:00:00 2001
From: fef <owo@fef.moe>
Date: Fri, 9 Jul 2021 00:21:46 +0200
Subject: [PATCH] add jemalloc submodule

---
 .gitmodules      |  3 +++
 CMakeLists.txt   | 12 ++++++++++++
 contrib/jemalloc |  1 +
 3 files changed, 16 insertions(+)
 create mode 100644 .gitmodules
 create mode 160000 contrib/jemalloc

diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..e684f0a
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "contrib/jemalloc"]
+	path = contrib/jemalloc
+	url = https://github.com/jemalloc/jemalloc.git
diff --git a/CMakeLists.txt b/CMakeLists.txt
index d96aff7..d851902 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -13,6 +13,18 @@ endif()
 
 find_package(Git QUIET)
 if(GIT_FOUND AND EXISTS "${PROJECT_SOURCE_DIR}/.git")
+    option(GIT_SUBMODULE "Check submodules during build" ON)
+    if(GIT_SUBMODULE)
+        message(STATUS "Submodule update")
+        execute_process(COMMAND ${GIT_EXECUTABLE} submodule update --init --recursive
+            WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+            RESULT_VARIABLE GIT_SUBMOD_RESULT
+        )
+        if(NOT GIT_SUBMOD_RESULT EQUAL "0")
+            message(FATAL_ERROR "git submodule update --init --recursive failed with ${GIT_SUBMOD_RESULT}, please checkout submodules")
+        endif()
+    endif()
+
     execute_process(COMMAND ${GIT_EXECUTABLE} rev-parse --short HEAD
         WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
         OUTPUT_VARIABLE neo_GIT_REVISION
diff --git a/contrib/jemalloc b/contrib/jemalloc
new file mode 160000
index 0000000..ea6b3e9
--- /dev/null
+++ b/contrib/jemalloc
@@ -0,0 +1 @@
+Subproject commit ea6b3e973b477b8061e0076bb257dbd7f3faa756