Index: Makefile
--- Makefile.orig
+++ Makefile
@@ -18,21 +18,22 @@
 # There may be other macros in mdb.c of interest. You should
 # read mdb.c before changing any of them.
 #
-CC	= gcc
+CC	= @CC@
 AR	= ar
 W	= -W -Wall -Wno-unused-parameter -Wbad-function-cast -Wuninitialized
 THREADS = -pthread
-OPT = -O2 -g
 CFLAGS	= $(THREADS) $(OPT) $(W) $(XCFLAGS)
 LDLIBS	=
 SOLIBS	=
-SOEXT	= .so
-prefix	= /usr/local
+SHARED_VERSION_MAJOR ?= 0
+SHARED_VERSION_MINOR ?= 0
+SOEXT	= .so.$(SHARED_VERSION_MAJOR).$(SHARED_VERSION_MINOR)
+prefix	= ${LOCALBASE}/
 exec_prefix = $(prefix)
 bindir = $(exec_prefix)/bin
 libdir = $(exec_prefix)/lib
 includedir = $(prefix)/include
-datarootdir = $(prefix)/share
+datarootdir = $(prefix)
 mandir = $(datarootdir)/man
 
 ########################################################################
@@ -45,14 +46,14 @@ PROGS	= $(IPROGS) mtest mtest2 mtest3 mtest4 mtest5
 all:	$(ILIBS) $(PROGS)
 
 install: $(ILIBS) $(IPROGS) $(IHDRS)
-	mkdir -p $(DESTDIR)$(bindir)
-	mkdir -p $(DESTDIR)$(libdir)
-	mkdir -p $(DESTDIR)$(includedir)
-	mkdir -p $(DESTDIR)$(mandir)/man1
-	for f in $(IPROGS); do cp $$f $(DESTDIR)$(bindir); done
-	for f in $(ILIBS); do cp $$f $(DESTDIR)$(libdir); done
-	for f in $(IHDRS); do cp $$f $(DESTDIR)$(includedir); done
-	for f in $(IDOCS); do cp $$f $(DESTDIR)$(mandir)/man1; done
+	${BSD_INSTALL_DATA_DIR} $(DESTDIR)$(bindir)
+	${BSD_INSTALL_DATA_DIR} $(DESTDIR)$(libdir)
+	${BSD_INSTALL_DATA_DIR} $(DESTDIR)$(includedir)
+	${BSD_INSTALL_DATA_DIR} $(DESTDIR)$(mandir)/man1
+	for f in $(IPROGS); do ${BSD_INSTALL_PROGRAM} $$f $(DESTDIR)$(bindir); done
+	for f in $(ILIBS); do ${BSD_INSTALL_DATA} $$f $(DESTDIR)$(libdir); done
+	for f in $(IHDRS); do ${BSD_INSTALL_DATA} $$f $(DESTDIR)$(includedir); done
+	for f in $(IDOCS); do ${BSD_INSTALL_MAN} $$f $(DESTDIR)$(mandir)/man1; done
 
 clean:
 	rm -rf $(PROGS) *.[ao] *.[ls]o *~ testdb