Add -z,origin linker flag on OpenBSD.

This is required for $ORIGIN rpath processing here (without having to
fiddle with workarounds like LD_LIBRARY_PATH).

Author: 3405691582

Sources/Foundation/CMakeLists.txt

@@ -168,6 +168,10 @@ set_target_properties(Foundation PROPERTIES
     INSTALL_RPATH "$ORIGIN"
     INSTALL_REMOVE_ENVIRONMENT_RPATH ON)
 
+if(CMAKE_SYSTEM_NAME STREQUAL "OpenBSD")
+  target_link_options(Foundation PRIVATE "LINKER:-z,origin")
+endif()
+
 if(dispatch_FOUND)
     set_target_properties(Foundation PROPERTIES
         BUILD_RPATH "$<TARGET_FILE_DIR:swiftDispatch>")

Sources/FoundationNetworking/CMakeLists.txt

@@ -77,6 +77,10 @@ set_target_properties(FoundationNetworking PROPERTIES
     INSTALL_RPATH "$ORIGIN"
     INSTALL_REMOVE_ENVIRONMENT_RPATH ON)
 
+if(CMAKE_SYSTEM_NAME STREQUAL "OpenBSD")
+  target_link_options(Foundation PRIVATE "LINKER:-z,origin")
+endif()
+
 if(LINKER_SUPPORTS_BUILD_ID)
   target_link_options(FoundationNetworking PRIVATE "LINKER:--build-id=sha1")
 endif()

Sources/FoundationXML/CMakeLists.txt

@@ -50,6 +50,10 @@ set_target_properties(FoundationXML PROPERTIES
     INSTALL_RPATH "$ORIGIN"
     INSTALL_REMOVE_ENVIRONMENT_RPATH ON)
 
+if(CMAKE_SYSTEM_NAME STREQUAL "OpenBSD")
+  target_link_options(Foundation PRIVATE "LINKER:-z,origin")
+endif()
+
 if(LINKER_SUPPORTS_BUILD_ID)
   target_link_options(FoundationXML PRIVATE "LINKER:--build-id=sha1")
 endif()

Sources/plutil/CMakeLists.txt

@@ -22,6 +22,10 @@ set_target_properties(plutil PROPERTIES
 	INSTALL_RPATH "$ORIGIN/../lib/swift/${SWIFT_SYSTEM_NAME}"
     INSTALL_REMOVE_ENVIRONMENT_RPATH ON)
 
+if(CMAKE_SYSTEM_NAME STREQUAL "OpenBSD")
+  target_link_options(Foundation PRIVATE "LINKER:-z,origin")
+endif()
+
 set_property(GLOBAL APPEND PROPERTY Foundation_EXPORTS plutil)
 install(TARGETS plutil
 	DESTINATION ${CMAKE_INSTALL_BINDIR})