$NetBSD$

Adjust prefix and take care of RPATH.

--- sml/Makefile.orig	2024-03-29 17:05:36.000000000 +0000
+++ sml/Makefile
@@ -16,7 +16,7 @@ else
 SONAME=$(NAME).so.$(SOVERSION)
 endif
 
-LDFLAGS += -Wl,-soname=$(SONAME) -shared
+LDFLAGS += -Wl,-soname=$(SONAME),-R@PREFIX@/lib -shared
 
 LIB_DIR=./lib
 INC_DIR=./include
@@ -25,7 +25,7 @@ DYN_LIB=$(LIB_DIR)/$(SONAME)
 ST_LIB=$(LIB_DIR)/$(NAME).a
 
 INSTALL = /usr/bin/install
-prefix = /usr/local
+prefix = @PREFIX@
 exec_prefix = ${prefix}
 bindir = ${exec_prefix}/bin
 libdir = ${exec_prefix}/lib