@@ -, +, @@ 
---
 Makefile.am     | 2 +-
 configure.ac    | 3 ++-
 doc/Makefile.am | 2 +-
 3 files changed, 4 insertions(+), 3 deletions(-)
--- a/Makefile.am	
+++ a/Makefile.am	
@@ -11,7 +11,7 @@ tigerinc_HEADERS=include/tiger/tiger.h include/tiger/tiger_config.h
 tigerpc_DATA=misc/pkgconfig/tiger.pc
 noinst_DATA=misc/pkgconfig/tiger-uninstalled.pc
 
-LIBTOOLFLAGS=--silent
+AM_LIBTOOLFLAGS=--silent
 
 AM_CPPFLAGS=-I $(top_srcdir)/src -I $(top_srcdir)/include
 
--- a/configure.ac	
+++ a/configure.ac	
@@ -26,6 +26,8 @@ dnl     then set AGE to 0.
 
 LIBTIGER_SHARED_VERSION="5:2:0"
 
+AM_PROG_AR
+
 AC_PROG_CC_C_O
 AC_PROG_LIBTOOL
 AC_PROG_GREP
@@ -35,7 +37,6 @@ AC_PROG_SED
 AC_C_CONST
 AC_C_INLINE
 
-
 # headers
 
 AC_HEADER_STDC
--- a/doc/Makefile.am	
+++ a/doc/Makefile.am	
@@ -1,4 +1,4 @@ 
-LIBTOOLFLAGS=--silent
+AM_LIBTOOLFLAGS=--silent
 
 # dependency to get doc to be built
 noinst_DATA = .doc-dummy-target
--