From e77f18bebc2ec08d0b83d623339a8d00c294895d Mon Sep 17 00:00:00 2001
From: Teon Banek <teon.banek@memgraph.io>
Date: Tue, 20 Mar 2018 11:12:20 +0100
Subject: [PATCH] Statically link libgcc and libstdc++

Summary:
This should allow us to distributed Memgraph executables on machines
which have different versions of libstdc++.

Reviewers: mferencevic, buda

Reviewed By: buda

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D1307
---
 CMakeLists.txt | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 917691dc0..95742733e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -73,6 +73,14 @@ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++1z -Wall \
 set(CMAKE_CXX_FLAGS_RELWITHDEBINFO
     "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} -fno-omit-frame-pointer")
 
+# Statically link libgcc and libstdc++, the GCC allows this according to:
+# https://www.gnu.org/licenses/gcc-exception-faq.html
+# Last checked for gcc-7.3, we are using gcc-6.3 on build machines (license is
+# valid there also).
+# ** If we change versions, recheck this! **
+# ** Static linking is allowed only for executables! **
+set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -static-libgcc -static-libstdc++")
+
 # Use gold linker to speedup build
 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fuse-ld=gold")