From 6d7fb4b3591588a6141219a2de886850c363c2e8 Mon Sep 17 00:00:00 2001
From: David Minton <daminton@purdue.edu>
Date: Mon, 17 Jun 2024 11:36:23 -0400
Subject: [PATCH] Updated CMake build to better control RPATH values when
 building

---
 CMakeLists.txt | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index b830e93..ffc3394 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -77,6 +77,7 @@ FILE(TO_CMAKE_PATH ${PY} PY)
 
 INCLUDE(GNUInstallDirs)
 IF (SKBUILD)
+    SET(INSTALL_INCLUDEDIR ${SKBUILD_HEADERS_DIR}) 
     SET(INSTALL_PYPROJ ${SKBUILD_PLATLIB_DIR}/${SKBUILD_PROJECT_NAME}) 
     SET(INSTALL_BINDIR ${INSTALL_PYPROJ})
     IF (CIBUILDWHEEL)
@@ -84,9 +85,12 @@ IF (SKBUILD)
         SET(CMAKE_INSTALL_RPATH "${CMAKE_BINARY_DIR}/bin")
     ELSE()
         SET(INSTALL_LIBDIR ${INSTALL_BINDIR})
-        SET(CMAKE_INSTALL_RPATH "${INSTALL_LIBDIR}")
+        IF (APPLE)
+            SET(CMAKE_INSTALL_RPATH "@loader_path;${INSTALL_LIBDIR}")
+        ELSEIF (LINUX)
+            SET(CMAKE_INSTALL_RPATH "@ORIGIN;${INSTALL_LIBDIR}")
+        ENDIF ()
     ENDIF()
-    SET(INSTALL_INCLUDEDIR ${SKBUILD_HEADERS_DIR}) 
 ELSE ()
     SET(INSTALL_PYPROJ ${PY})
     SET(INSTALL_BINDIR ${CMAKE_INSTALL_BINDIR})
@@ -124,6 +128,8 @@ ENDIF()
 # Set the name of the ctem library
 SET(CTEM_LIBRARY ${SKBUILD_PROJECT_NAME})
 
+SET(CMAKE_POSITION_INDEPENDENT_CODE ON)
+
 # The source for the CTEM binary and have it placed in the bin folder
 ADD_SUBDIRECTORY(${SRC} ${BIN})