From 1ce4c3fe135fe9b018f4d493dce1edcfad33688d Mon Sep 17 00:00:00 2001
From: iphydf <iphydf@users.noreply.github.com>
Date: Thu, 6 Oct 2016 15:13:47 +0100
Subject: [PATCH] Install libraries with RPATH.

This makes deployment easier, as the install libpath is used to look up
dependent libraries.
---
 CMakeLists.txt       |  1 +
 cmake/MacRpath.cmake | 24 ++++++++++++++++++++++++
 2 files changed, 25 insertions(+)
 create mode 100644 cmake/MacRpath.cmake

diff --git a/CMakeLists.txt b/CMakeLists.txt
index fb130ce8..8668312a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -20,6 +20,7 @@ set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake)
 
 include(ApiDsl)
 include(CheckCCompilerFlag)
+include(MacRpath)
 include(ModulePackage)
 
 set(CMAKE_MACOSX_RPATH ON)
diff --git a/cmake/MacRpath.cmake b/cmake/MacRpath.cmake
new file mode 100644
index 00000000..ae5429dc
--- /dev/null
+++ b/cmake/MacRpath.cmake
@@ -0,0 +1,24 @@
+# Taken from https://cmake.org/Wiki/CMake_RPATH_handling#Always_full_RPATH.
+#
+# In many cases you will want to make sure that the required libraries are
+# always found independent from LD_LIBRARY_PATH and the install location. Then
+# you can use these settings:
+
+# Use, i.e. don't skip the full RPATH for the build tree.
+set(CMAKE_SKIP_BUILD_RPATH FALSE)
+
+# When building, don't use the install RPATH already
+# (but later on when installing).
+set(CMAKE_BUILD_WITH_INSTALL_RPATH FALSE)
+
+set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib")
+
+# Add the automatically determined parts of the RPATH
+# which point to directories outside the build tree to the install RPATH.
+set(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
+
+# The RPATH to be used when installing, but only if it's not a system directory.
+list(FIND CMAKE_PLATFORM_IMPLICIT_LINK_DIRECTORIES "${CMAKE_INSTALL_PREFIX}/lib" isSystemDir)
+if("${isSystemDir}" STREQUAL "-1")
+  set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib")
+endif()