Try rpath fix for shared build

cmake/utilities.cmake

@@ -41,6 +41,16 @@ macro(SET_INSTALL_RPATHS _target _paths)
     set_target_properties(${_target} PROPERTIES INSTALL_RPATH "${${_target}_rpaths}")
 endmacro()
 
+macro(SET_INSTALL_SELF_RPATH _target)
+    if(IS_ABSOLUTE "${CMAKE_INSTALL_LIBDIR}")
+        SET_INSTALL_RPATHS(${_target} "${CMAKE_INSTALL_LIBDIR}")
+    elseif(APPLE)
+        SET_INSTALL_RPATHS(${_target} "@loader_path")
+    else()
+        SET_INSTALL_RPATHS(${_target} "$ORIGIN")
+    endif()
+endmacro()
+
 function(ifcopenshell_plugin_target TARGET)
     set_target_properties(${TARGET} PROPERTIES PREFIX "")
 endfunction()

src/ifcgeom/CMakeLists.txt

@@ -14,6 +14,10 @@ add_library(IfcGeom ${SCHEMA_AGNOSTIC_FILES})
 set_target_properties(IfcGeom PROPERTIES
         OUTPUT_NAME "ifcopenshell.geometry"
 )
+
+if((NOT WIN32) AND BUILD_SHARED_LIBS AND NOT WASM_BUILD AND NOT CREATE_BUNDLE AND NOT CMAKE_INSTALL_RPATH AND COMMAND SET_INSTALL_SELF_RPATH)
+    SET_INSTALL_SELF_RPATH(IfcGeom)
+endif()
 set_target_properties(IfcGeom PROPERTIES COMPILE_FLAGS -DIFC_GEOM_EXPORTS)
 if (NOT CREATE_BUNDLE)
 set_target_properties(IfcGeom PROPERTIES VERSION "${PROJECT_VERSION}" SOVERSION "${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}")

src/ifcparse/CMakeLists.txt

@@ -38,6 +38,10 @@ add_library(IfcParse ${IFCPARSE_FILES})
 set_target_properties(IfcParse PROPERTIES
         OUTPUT_NAME "ifcopenshell.parse"
 )
+
+if((NOT WIN32) AND BUILD_SHARED_LIBS AND NOT WASM_BUILD AND NOT CREATE_BUNDLE AND NOT CMAKE_INSTALL_RPATH AND COMMAND SET_INSTALL_SELF_RPATH)
+    SET_INSTALL_SELF_RPATH(IfcParse)
+endif()
 target_compile_definitions(IfcParse PUBLIC ${SCHEMA_DEFINITIONS})
 if(USE_MMAP)
     target_compile_definitions(IfcParse PUBLIC USE_MMAP)