From f4442c07a7b3ce23e1e883ddde011be8e28b5cac Mon Sep 17 00:00:00 2001
From: Roland Conybeare <rconybeare@gmail.com>
Date: Wed, 27 Sep 2023 17:54:02 -0400
Subject: [PATCH] xo-cmake: xo_toplevel_compile_options ++ set
 CMAKE_INSTALL_RPATH

---
 cmake/xo_cxx.cmake | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/cmake/xo_cxx.cmake b/cmake/xo_cxx.cmake
index e435de55..2307b06f 100644
--- a/cmake/xo_cxx.cmake
+++ b/cmake/xo_cxx.cmake
@@ -26,6 +26,11 @@ macro(xo_toplevel_compile_options)
     else()
         set(XO_COMPILE_OPTIONS ${XO_STANDARD_COMPILE_OPTIONS})
     endif()
+
+    if(NOT CMAKE_INSTALL_RPATH)
+        set(CMAKE_INSTALL_RPATH ${CMAKE_INSTALL_PREFIX}/lib CACHE STRING
+            "runpath in installed libraries/executables")
+    endif()
 endif()
 
 # ----------------------------------------------------------------