From b021e09fc097d2669c9e80bb3198977c725bc646 Mon Sep 17 00:00:00 2001
From: lat9nq <22451773+lat9nq@users.noreply.github.com>
Date: Sun, 9 May 2021 02:38:46 -0400
Subject: externals: Use SDL2 statically

Building it as a shared library causes issues distributing it to an
AppImage, since linuxdeploy expects the executable to only dynamically
link to system libraries. Additionally, simply dynamically linking to a
library in the binary directory is bound to cause issues.

Solution is to use SDL's CMake switches and build it statically. We also
alias `SDL2` to `SDL2-static` on the external submodule for
compatibility with the rest of the project.
---
 externals/CMakeLists.txt | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'externals/CMakeLists.txt')

diff --git a/externals/CMakeLists.txt b/externals/CMakeLists.txt
index e044d9730..e280e53d7 100644
--- a/externals/CMakeLists.txt
+++ b/externals/CMakeLists.txt
@@ -47,7 +47,10 @@ target_include_directories(unicorn-headers INTERFACE ./unicorn/include)
 
 # SDL2
 if (NOT SDL2_FOUND AND ENABLE_SDL2)
+    set(SDL_STATIC ON)
+    set(SDL_SHARED OFF)
     add_subdirectory(SDL EXCLUDE_FROM_ALL)
+    add_library(SDL2 ALIAS SDL2-static)
 endif()
 
 # SoundTouch
-- 
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