diff -Naur a/Makefile b/Makefile
--- a/Makefile	2015-06-13 06:24:02.000000000 +0300
+++ b/Makefile	2019-09-08 09:24:22.127655912 +0300
@@ -1,21 +1,16 @@
-prefix = /usr/local
+prefix = /usr
 exec_prefix = $(prefix)
 libdir = $(exec_prefix)/lib
 bindir = $(exec_prefix)/bin
 includedir = $(prefix)/include
 
 VERSION = 0.9.18
-CC = gcc
-RANLIB = ranlib
 YACC = bison -v
 LEX = flex -8
 LEXCLEX = flex -8 --prefix=lexc
 LEXIFACE = flex -8 --prefix=interface
 LEXCMATRIX = flex -8 --prefix=cmatrix
 RM = /bin/rm -f
-LDFLAGS = -lreadline -lz -ltermcap
-FLOOKUPLDFLAGS = libfoma.a -lz
-CFLAGS = -O3 -Wall -D_GNU_SOURCE -std=c99 -fvisibility=hidden -fPIC
 FOMAOBJS = foma.o stack.o iface.o lex.interface.o
 LIBOBJS = int_stack.o define.o determinize.o apply.o rewrite.o lexcread.o topsort.o flags.o minimize.o reverse.o extract.o sigma.o io.o structures.o constructions.o coaccessible.o utf8.o spelling.o dynarray.o mem.o stringhash.o trie.o lex.lexc.o lex.yy.o lex.cmatrix.o regex.o
 
@@ -82,7 +77,7 @@
 	if test -f $(libdir)/$(SHAREDLIB); then rm  $(libdir)/$(SHAREDLIB); fi
 	if test -f $(libdir)/$(SHAREDLIBM); then rm  $(libdir)/$(SHAREDLIBM); fi
 	cd $(libdir); ln -s $(SHAREDLIBV) $(SHAREDLIB); cd $(libdir);	\
-	ln -s $(SHAREDLIBV) $(SHAREDLIBM); (ldconfig || true)		\
+	ln -s $(SHAREDLIBV) $(SHAREDLIBM); \
 	>/dev/null 2>&1; \
 
 $(OBJS): foma.h