From bba4a3806ca4b8df032cc195ed4d580d191f9625 Mon Sep 17 00:00:00 2001
From: Otto Naderer <otto@socialnerds.org>
Date: Fri, 12 Aug 2022 10:19:34 +0200
Subject: [PATCH] cmake build relocatable

---
 CMakeLists.txt | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 333c255..46f36f4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -21,7 +21,7 @@ option(CAUDIO_STATIC on)
 set(CAUDIO_TARGET cAudio)
 set(CAUDIO_DIR ${FS_EXT_DIR}/cAudio)
 set(CAUDIO_INC_DIR ${FS_EXT_DIR}/cAudio/cAudio/include)
-add_subdirectory(${CAUDIO_DIR})
+add_subdirectory(${CAUDIO_DIR} EXCLUDE_FROM_ALL)
 
 
 #irrlicht stuff
@@ -47,11 +47,10 @@ add_executable(flasim
     )
 
 target_include_directories(${FS_TARGET} PRIVATE ${IRRLICHT_INC_DIR} ${CAUDIO_INC_DIR} ${CMAKE_BINARY_DIR}/include) #last is needed for caudio
-    
-target_link_libraries(${FS_TARGET}
-    ${IRRLICHT_TARGET}
-    )
 
+if(UNIX)    # relocatable linking for unixoids
+    set_target_properties(flasim PROPERTIES LINK_FLAGS "-Wl,-rpath,$ORIGIN/")
+endif()
 
 target_link_libraries(${FS_TARGET} ${CAUDIO_TARGET} ${IRRLICHT_TARGET})