diff --git a/common.mk b/common.mk
index f3c279aeccf7f3..4202dbddb2a124 100644
--- a/common.mk
+++ b/common.mk
@@ -226,7 +226,7 @@ $(PRISM_BUILD_DIR)/.time $(PRISM_BUILD_DIR)/util/.time:
 	$(Q) $(MAKEDIRS) $(@D)
 	@$(NULLCMD) > $@
 
-EXPORTOBJS    = $(DLNOBJ) \
+EXPORTOBJS    = $(DLNOBJS) \
 		localeinit.$(OBJEXT) \
 		loadpath.$(OBJEXT) \
 		$(COMMONOBJS)
diff --git a/configure.ac b/configure.ac
index a37bdce0749a09..1a63e1fbb2830c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -4127,7 +4127,7 @@ AS_IF([test -n "$RUST_LIB"], [
     ])
 
     # absolute path to stop the "target" dir in src dir from interfering through VPATH
-    RUST_LIB="$(pwd)/${RUST_LIB}"
+    RUST_LIB='$(TOP_BUILD_DIR)'/"${RUST_LIB}"
 ])
 
 dnl These variables end up in ::RbConfig::CONFIG
@@ -4137,14 +4137,14 @@ AC_SUBST(RUSTC_FLAGS)dnl user-configurable rustc compiler flags
 AC_SUBST(CARGO)dnl Cargo command for Rust builds
 AC_SUBST(CARGO_BUILD_ARGS)dnl for selecting Rust build profiles
 AC_SUBST(YJIT_SUPPORT)dnl what flavor of YJIT the Ruby build includes
-AC_SUBST(YJIT_LIBS)dnl the .a library of YJIT
-AC_SUBST(YJIT_OBJ)dnl for optionally building the C parts of YJIT
+AC_SUBST(X_YJIT_LIBS, [$YJIT_LIBS])dnl the .a library of YJIT
+AC_SUBST(X_YJIT_OBJ, [$YJIT_OBJ])dnl for optionally building the C parts of YJIT
 AC_SUBST(ZJIT_SUPPORT)dnl what flavor of ZJIT the Ruby build includes
-AC_SUBST(ZJIT_LIBS)dnl path to the .a library of ZJIT
-AC_SUBST(ZJIT_OBJ)dnl for optionally building the C parts of ZJIT
-AC_SUBST(JIT_OBJ)dnl for optionally building C glue code for Rust FFI
-AC_SUBST(RUST_LIB)dnl path to the rust .a library that contains either or both JITs
-AC_SUBST(RLIB_DIR)dnl subpath of build directory for .rlib files
+AC_SUBST(X_ZJIT_LIBS, [$ZJIT_LIBS])dnl path to the .a library of ZJIT
+AC_SUBST(X_ZJIT_OBJ, [$ZJIT_OBJ])dnl for optionally building the C parts of ZJIT
+AC_SUBST(X_JIT_OBJ, [$JIT_OBJ])dnl for optionally building C glue code for Rust FFI
+AC_SUBST(X_RUST_LIB, [$RUST_LIB])dnl path to the rust .a library that contains either or both JITs
+AC_SUBST(X_RLIB_DIR, [$RLIB_DIR])dnl subpath of build directory for .rlib files
 AC_SUBST(JIT_CARGO_SUPPORT)dnl "no" or the cargo profile of the rust code
 }
 
@@ -4178,11 +4178,11 @@ AS_IF([test x"$SOEXT" = xdll], [
 ])
 AC_SUBST(XSYMBOLS_IN_EMPTYLIB, "${rb_cv_symbols_in_emptylib}")
 
-DLNOBJ=dln.o
+DLNOBJS=dln.o
 AC_ARG_ENABLE(dln,
 	      AS_HELP_STRING([--disable-dln], [disable dynamic link feature]),
-	      [test "$enableval" = yes || DLNOBJ=dmydln.o])
-AC_SUBST(DLNOBJ)
+	      [test "$enableval" = yes || DLNOBJS=dmydln.o])
+AC_SUBST(DLNOBJS)
 MINIDLNOBJ=dmydln.o
 
 AS_CASE(["$target_os"],
diff --git a/template/Makefile.in b/template/Makefile.in
index e87f52589e285e..9f89b2eba3ce3e 100644
--- a/template/Makefile.in
+++ b/template/Makefile.in
@@ -105,21 +105,21 @@ USE_RUBYGEMS = @USE_RUBYGEMS@
 USE_RUBYGEMS_ = $(USE_RUBYGEMS:yes=)
 CPPFLAGS = @CPPFLAGS@ $(USE_RUBYGEMS_:no=-DDISABLE_RUBYGEMS=1)
 TOP_BUILD_DIR=@abs_top_builddir@
-JIT_OBJ=@JIT_OBJ@
+JIT_OBJ=@X_JIT_OBJ@
 YJIT_SUPPORT=@YJIT_SUPPORT@
-YJIT_LIBS=@YJIT_LIBS@
-YJIT_OBJ=@YJIT_OBJ@
+YJIT_LIBS=@X_YJIT_LIBS@
+YJIT_OBJ=@X_YJIT_OBJ@
 ZJIT_SUPPORT=@ZJIT_SUPPORT@
-ZJIT_LIBS=@ZJIT_LIBS@
-ZJIT_OBJ=@ZJIT_OBJ@
+ZJIT_LIBS=@X_ZJIT_LIBS@
+ZJIT_OBJ=@X_ZJIT_OBJ@
 JIT_CARGO_SUPPORT=@JIT_CARGO_SUPPORT@
 CARGO_TARGET_DIR=@abs_top_builddir@/target
 CARGO_BUILD_ARGS=@CARGO_BUILD_ARGS@
 ZJIT_TEST_FEATURES=@ZJIT_TEST_FEATURES@
 JIT_RUST_FLAGS=@JIT_RUST_FLAGS@
 RUSTC_FLAGS=@RUSTC_FLAGS@
-RLIB_DIR=@RLIB_DIR@
-RUST_LIB=@RUST_LIB@
+RLIB_DIR=@X_RLIB_DIR@
+RUST_LIB=@X_RUST_LIB@
 RUST_LIBOBJ = $(RUST_LIB:.a=.@OBJEXT@)
 LDFLAGS = @STATIC@ $(CFLAGS) @LDFLAGS@
 EXE_LDFLAGS = $(LDFLAGS)
@@ -137,7 +137,7 @@ SOLIBS = @SOLIBS@
 ENABLE_DEBUG_ENV = @ENABLE_DEBUG_ENV@
 MAINLIBS = @MAINLIBS@
 ARCHMINIOBJS = @MINIOBJS@
-DLNOBJ = @DLNOBJ@
+DLNOBJS = @DLNOBJS@
 ENCOBJS = @ENCOBJS@
 EXTOBJS = @EXTOBJS@
 BUILTIN_ENCOBJS = @BUILTIN_ENCOBJS@
diff --git a/win32/Makefile.sub b/win32/Makefile.sub
index e5c099972d2860..905ed3040effbb 100644
--- a/win32/Makefile.sub
+++ b/win32/Makefile.sub
@@ -322,7 +322,7 @@ LIBS = $(LIBS) imagehlp.lib shlwapi.lib bcrypt.lib $(EXTLIBS)
 MISSING = crypt.obj ffs.obj langinfo.obj lgamma_r.obj strlcat.obj strlcpy.obj win32/win32.obj win32/file.obj setproctitle.obj
 MISSING = $(MISSING) explicit_bzero.obj memrchr.obj
 !endif
-DLNOBJ = dln.obj
+DLNOBJS = dln.obj
 
 !if "$(ARCH)" == "x64"
 COROUTINE_OBJ = coroutine/win64/Context.obj