diff -Naur --exclude '*.orig' --exclude '*.rej' io_lib-1.11.2/configure.in io_lib-1.11.2-libtool/configure.in
--- io_lib-1.11.2/configure.in	2008-06-04 15:05:25.000000000 +0200
+++ io_lib-1.11.2-libtool/configure.in	2008-08-11 22:47:20.000000000 +0200
@@ -6,7 +6,7 @@
 dnl Checks for programs.
 AC_PROG_CC
 AC_PROG_INSTALL
-AC_PROG_RANLIB
+AC_PROG_LIBTOOL
 
 dnl Check for libcurl and zlib
 LIBCURL_CHECK_CONFIG(,,[have_curl=yes], [have_curl=no])
diff -Naur --exclude '*.orig' --exclude '*.rej' io_lib-1.11.2/io_lib/Makefile.am io_lib-1.11.2-libtool/io_lib/Makefile.am
--- io_lib-1.11.2/io_lib/Makefile.am	2008-05-06 13:46:55.000000000 +0200
+++ io_lib-1.11.2-libtool/io_lib/Makefile.am	2008-08-11 23:00:49.000000000 +0200
@@ -1,6 +1,6 @@
-lib_LIBRARIES = libread.a
+lib_LTLIBRARIES = libread.la
 
-libread_a_SOURCES = \
+libread_la_SOURCES = \
 	Read.c \
 	Read.h \
 	scf_extras.c \
@@ -67,8 +67,8 @@
 	os.h \
 	stdio_hack.h
 
-libread_a_CPPFLAGS = @LIBCURL_CPPFLAGS@
-
-#libread_a_LDFLAGS = -avoid-version
+libread_la_CPPFLAGS = @LIBCURL_CPPFLAGS@
+libread_la_LIBADD = @LIBCURL@ @LIBZ@
+libread_la_LDFLAGS = -release @VERSION@
 
 INCLUDES = -I${top_srcdir}
diff -Naur --exclude '*.orig' --exclude '*.rej' io_lib-1.11.2/progs/Makefile.am io_lib-1.11.2-libtool/progs/Makefile.am
--- io_lib-1.11.2/progs/Makefile.am	2008-05-06 13:54:44.000000000 +0200
+++ io_lib-1.11.2-libtool/progs/Makefile.am	2008-08-11 22:49:27.000000000 +0200
@@ -1,74 +1,74 @@
 bin_PROGRAMS = convert_trace makeSCF extract_seq extract_qual index_tar scf_dump scf_info scf_update get_comment hash_tar hash_extract hash_list trace_dump hash_sff append_sff ztr_dump illumina2srf srf2illumina srf_dump_all srf_index_hash srf_extract_linear srf_extract_hash srf2fastq srf2fasta
 
 convert_trace_SOURCES = convert_trace.c
-convert_trace_LDADD = $(top_builddir)/io_lib/libread.a @LIBZ@ @LIBCURL@
+convert_trace_LDADD = $(top_builddir)/io_lib/libread.la @LIBZ@ @LIBCURL@
 
 get_comment_SOURCES = get_comment.c
-get_comment_LDADD = $(top_builddir)/io_lib/libread.a @LIBZ@ @LIBCURL@
+get_comment_LDADD = $(top_builddir)/io_lib/libread.la @LIBZ@ @LIBCURL@
 
 makeSCF_SOURCES = makeSCF.c
-makeSCF_LDADD = $(top_builddir)/io_lib/libread.a @LIBZ@ @LIBCURL@
+makeSCF_LDADD = $(top_builddir)/io_lib/libread.la @LIBZ@ @LIBCURL@
 
 extract_seq_SOURCES = extract_seq.c
-extract_seq_LDADD = $(top_builddir)/io_lib/libread.a @LIBZ@ @LIBCURL@
+extract_seq_LDADD = $(top_builddir)/io_lib/libread.la @LIBZ@ @LIBCURL@
 
 extract_qual_SOURCES = extract_qual.c
-extract_qual_LDADD = $(top_builddir)/io_lib/libread.a @LIBZ@ @LIBCURL@
+extract_qual_LDADD = $(top_builddir)/io_lib/libread.la @LIBZ@ @LIBCURL@
 
 index_tar_SOURCES = index_tar.c
 
 scf_dump_SOURCES = scf_dump.c
-scf_dump_LDADD = $(top_builddir)/io_lib/libread.a @LIBZ@ @LIBCURL@
+scf_dump_LDADD = $(top_builddir)/io_lib/libread.la @LIBZ@ @LIBCURL@
 
 scf_info_SOURCES = scf_info.c
-scf_info_LDADD = $(top_builddir)/io_lib/libread.a @LIBZ@ @LIBCURL@
+scf_info_LDADD = $(top_builddir)/io_lib/libread.la @LIBZ@ @LIBCURL@
 
 scf_update_SOURCES = scf_update.c
-scf_update_LDADD = $(top_builddir)/io_lib/libread.a @LIBZ@ @LIBCURL@
+scf_update_LDADD = $(top_builddir)/io_lib/libread.la @LIBZ@ @LIBCURL@
 
 hash_tar_SOURCES = hash_tar.c
-hash_tar_LDADD = $(top_builddir)/io_lib/libread.a @LIBZ@ @LIBCURL@
+hash_tar_LDADD = $(top_builddir)/io_lib/libread.la @LIBZ@ @LIBCURL@
 
 hash_list_SOURCES = hash_list.c
-hash_list_LDADD = $(top_builddir)/io_lib/libread.a @LIBZ@ @LIBCURL@
+hash_list_LDADD = $(top_builddir)/io_lib/libread.la @LIBZ@ @LIBCURL@
 
 hash_sff_SOURCES = hash_sff.c
-hash_sff_LDADD = $(top_builddir)/io_lib/libread.a @LIBZ@ @LIBCURL@
+hash_sff_LDADD = $(top_builddir)/io_lib/libread.la @LIBZ@ @LIBCURL@
 
 append_sff_SOURCES = append_sff.c
-append_sff_LDADD = $(top_builddir)/io_lib/libread.a @LIBZ@ @LIBCURL@
+append_sff_LDADD = $(top_builddir)/io_lib/libread.la @LIBZ@ @LIBCURL@
 
 hash_extract_SOURCES = hash_extract.c
-hash_extract_LDADD = $(top_builddir)/io_lib/libread.a @LIBZ@ @LIBCURL@
+hash_extract_LDADD = $(top_builddir)/io_lib/libread.la @LIBZ@ @LIBCURL@
 
 trace_dump_SOURCES = trace_dump.c
-trace_dump_LDADD = $(top_builddir)/io_lib/libread.a @LIBZ@ @LIBCURL@
+trace_dump_LDADD = $(top_builddir)/io_lib/libread.la @LIBZ@ @LIBCURL@
 
 ztr_dump_SOURCES = ztr_dump.c
-ztr_dump_LDADD = $(top_builddir)/io_lib/libread.a @LIBZ@ @LIBCURL@
+ztr_dump_LDADD = $(top_builddir)/io_lib/libread.la @LIBZ@ @LIBCURL@
 
 illumina2srf_SOURCES = solexa2srf.c
-illumina2srf_LDADD = $(top_builddir)/io_lib/libread.a @LIBZ@ @LIBCURL@
+illumina2srf_LDADD = $(top_builddir)/io_lib/libread.la @LIBZ@ @LIBCURL@
 
 srf2illumina_SOURCES = srf2solexa.c
-srf2illumina_LDADD = $(top_builddir)/io_lib/libread.a @LIBZ@ @LIBCURL@
+srf2illumina_LDADD = $(top_builddir)/io_lib/libread.la @LIBZ@ @LIBCURL@
 
 srf2fastq_SOURCES = srf2fastq.c
-srf2fastq_LDADD = $(top_builddir)/io_lib/libread.a @LIBZ@ @LIBCURL@
+srf2fastq_LDADD = $(top_builddir)/io_lib/libread.la @LIBZ@ @LIBCURL@
 
 srf2fasta_SOURCES = srf2fasta.c
-srf2fasta_LDADD = $(top_builddir)/io_lib/libread.a @LIBZ@ @LIBCURL@
+srf2fasta_LDADD = $(top_builddir)/io_lib/libread.la @LIBZ@ @LIBCURL@
 
 srf_dump_all_SOURCES = srf_dump_all.c
-srf_dump_all_LDADD = $(top_builddir)/io_lib/libread.a @LIBZ@ @LIBCURL@
+srf_dump_all_LDADD = $(top_builddir)/io_lib/libread.la @LIBZ@ @LIBCURL@
 
 srf_extract_linear_SOURCES = srf_extract_linear.c
-srf_extract_linear_LDADD = $(top_builddir)/io_lib/libread.a @LIBZ@ @LIBCURL@
+srf_extract_linear_LDADD = $(top_builddir)/io_lib/libread.la @LIBZ@ @LIBCURL@
 
 srf_extract_hash_SOURCES = srf_extract_hash.c
-srf_extract_hash_LDADD = $(top_builddir)/io_lib/libread.a @LIBZ@ @LIBCURL@
+srf_extract_hash_LDADD = $(top_builddir)/io_lib/libread.la @LIBZ@ @LIBCURL@
 
 srf_index_hash_SOURCES = srf_index_hash.c
-srf_index_hash_LDADD = $(top_builddir)/io_lib/libread.a @LIBZ@ @LIBCURL@
+srf_index_hash_LDADD = $(top_builddir)/io_lib/libread.la @LIBZ@ @LIBCURL@
 
 INCLUDES= -I${top_srcdir}