diff --git a/config.mk b/config.mk
index 1ebfd49..ec076b3 100644
--- a/config.mk
+++ b/config.mk
@@ -1,25 +1,17 @@
 # Customize to fit your system

 # paths
-PREFIX      = /usr/local/plan9
 MANPREFIX   = ${PREFIX}/share/man

 VERSION     = 7
-OBJTYPE     = 386
-#OBJTYPE     = arm
-#OBJTYPE     = x86_64
-#OBJTYPE     = sun4u

 # Linux/BSD
 #CFLAGS      += -Wall -Wno-missing-braces -Wno-parentheses -Wno-switch -c -I. -DPREFIX="\"${PREFIX}\""
 CFLAGS      += -c -I. -DPLAN9PORT -DPREFIX="\"${PREFIX}\""
-LDFLAGS     += -static

 # Solaris
 #CFLAGS      = -fast -xtarget=ultra -D__sun__ -c -I. -DPREFIX="\"${PREFIX}\""
 #LDFLAGS     = -dn

 # compiler
-AR          = ar rc
-CC          = cc
 YACC        = ../yacc/9yacc
diff --git a/lib9/Makefile b/lib9/Makefile
index b83ab2b..e3744a4 100644
--- a/lib9/Makefile
+++ b/lib9/Makefile
@@ -221,7 +221,7 @@ uninstall:

 ${LIB}: ${OFILES}
 	@echo AR ${TARG}
-	@${AR} ${LIB} ${OFILES}
+	@${AR} rc ${LIB} ${OFILES}

 .c.o:
 	@echo CC $<
diff --git a/troff/Makefile b/troff/Makefile
index b4e3d88..3aac6bf 100644
--- a/troff/Makefile
+++ b/troff/Makefile
@@ -6,7 +6,7 @@ TARG      = troff
 OFILES    = n1.o n2.o n3.o n4.o n5.o t6.o n6.o n7.o n8.o n9.o t10.o\
             n10.o t11.o ni.o hytab.o suftab.o dwbinit.o mbwc.o
 MANFILES  = troff.1
-TROFFDIR  = ${PREFIX}/lib/troff
+TROFFDIR  = ${PREFIX_TROFF}/lib/troff

 include ../std.mk