--- /dev/null
+Fix QA warnings, due to using incorrect format specifiers in printf:
+* contig-cmp.cc:237:50: warning: format ‘%u’ expects argument of type ‘unsigned int’,
+* but argument 3 has type ‘std::vector<Contig_t>::size_type {aka long unsigned int}’ [-Wformat=]
+* fprintf (stderr, "%u b contigs\n", b . size ());
+
+--- a/src/Align/align.cc
++++ b/src/Align/align.cc
+@@ -1936,7 +1936,7 @@
+ n = align . size ();
+ con = consensus . c_str ();
+
+- fprintf (fp, "\nConsensus len = %d\n", consensus . length ());
++ fprintf (fp, "\nConsensus len = %zu\n", consensus . length ());
+
+ for (i = 0; i < n; i ++)
+ {
+@@ -3936,7 +3936,7 @@
+ }
+
+ // Array of sum of quality scores in the slice for A,C,G,T,- resp.
+- for (j = 0; j < 6; j ++)
++ for (j = 0; j < 5; j ++)
+ qvsum [j] = 0;
+
+ int nof_ambiguities = 0;
+--- a/src/Align/align_poly.cc
++++ b/src/Align/align_poly.cc
+@@ -1761,7 +1761,7 @@
+ n = align . size ();
+ con = consensus . c_str ();
+
+- fprintf (fp, "\nConsensus len = %d\n", consensus . length ());
++ fprintf (fp, "\nConsensus len = %zu\n", consensus . length ());
+ for (i = 0; i < n; i ++)
+ {
+ fprintf (fp, "\nString #%d:\n", i);
+--- a/src/Align/count-qmers.cc
++++ b/src/Align/count-qmers.cc
+@@ -191,8 +191,8 @@
+
+ PrintMers(mer_table, min_count);
+
+- fprintf(stderr, "reporter:counter:asm,reads_total,%ld\n", COUNT);
+- fprintf(stderr, "reporter:counter:asm,reads_bp,%ld\n", LEN);
++ fprintf(stderr, "reporter:counter:asm,reads_total,%lld\n", COUNT);
++ fprintf(stderr, "reporter:counter:asm,reads_bp,%lld\n", LEN);
+ }
+ catch (Exception_t & e)
+ {
+--- a/src/Align/kmer-cov.cc
++++ b/src/Align/kmer-cov.cc
+@@ -485,7 +485,7 @@
+ Kmer_Len = s . length ();
+ else if (Kmer_Len != int (s . length ()))
+ {
+- sprintf (Clean_Exit_Msg_Line, "New kmer \"%s\" length is %d instead of %d",
++ sprintf (Clean_Exit_Msg_Line, "New kmer \"%s\" length is %zu instead of %d",
+ s . c_str (), s . length (), Kmer_Len);
+ Clean_Exit (Clean_Exit_Msg_Line, __FILE__, __LINE__);
+ }
+--- a/src/Align/kmer-cov-plot.cc
++++ b/src/Align/kmer-cov-plot.cc
+@@ -316,7 +316,7 @@
+ }
+ else if (Kmer_Len != int (s . length ()))
+ {
+- sprintf (Clean_Exit_Msg_Line, "New kmer \"%s\" length is %d instead of %d",
++ sprintf (Clean_Exit_Msg_Line, "New kmer \"%s\" length is %zu instead of %d",
+ s . c_str (), s . length (), Kmer_Len);
+ Clean_Exit (Clean_Exit_Msg_Line, __FILE__, __LINE__);
+ }
+--- a/src/Align/make-consensus.cc
++++ b/src/Align/make-consensus.cc
+@@ -303,7 +303,7 @@
+ break;
+ }
+
+- sprintf (sid, "%ld", ++layout_id);
++ sprintf (sid, "%u", ++layout_id);
+ cid = string (sid);
+ ID_t lid = layout.getIID ();
+ if (lid == 0)
+--- a/src/Align/make-consensus_poly.cc
++++ b/src/Align/make-consensus_poly.cc
+@@ -279,7 +279,7 @@
+ break;
+ }
+
+- sprintf(sid, "%ld", ++layout_id);
++ sprintf(sid, "%u", ++layout_id);
+ cid = string(sid);
+ ID_t lid = layout.getIID();
+ if (lid == 0) {
+--- a/src/Align/simple-overlap.cc
++++ b/src/Align/simple-overlap.cc
+@@ -422,7 +422,7 @@
+ "Options:\n"
+ " -a Also show alignments of overlaps \n"
+ " -E <x> Maximum error rate for overlaps is <x>\n"
+- " e.g., -E 0.06 for 6% error rate\n"
++ " e.g., -E 0.06 for 6%% error rate\n"
+ " -F Input is a fasta file\n"
+ " -h Print this usage message\n"
+ " -o <n> Set minimum overlap length to <n>\n"
+--- a/src/Compare/contig-cmp.cc
++++ b/src/Compare/contig-cmp.cc
+@@ -145,7 +145,7 @@
+
+ fclose (fp);
+
+- fprintf (stderr, "%u a contigs\n", a . size ());
++ fprintf (stderr, "%zu a contigs\n", a . size ());
+ vector <Unitig_t> a_contig (max_id + 1);
+ n = a . size ();
+ for (i = 0; i < n; i ++)
+@@ -234,7 +234,7 @@
+
+ fclose (fp);
+
+- fprintf (stderr, "%u b contigs\n", b . size ());
++ fprintf (stderr, "%zu b contigs\n", b . size ());
+ vector <Unitig_t> b_contig (max_id + 1);
+ n = b . size ();
+ for (i = 0; i < n; i ++)
+--- a/src/Staden/progs/trace_convert.c
++++ b/src/Staden/progs/trace_convert.c
+@@ -6,6 +6,9 @@
+ #include "traceType.h"
+ #include "seqIOABI.h"
+
++#include <fcntl.h>
++#include <unistd.h>
++
+ static char fileIdentifier[] = "$Id$";
+
+ struct opts {