diff -ur lletters-0.1.95.orig/libqdwav/Makefile.in lletters-0.1.95/libqdwav/Makefile.in
--- lletters-0.1.95.orig/libqdwav/Makefile.in	2008-04-09 19:23:13.000000000 +0300
+++ lletters-0.1.95/libqdwav/Makefile.in	2008-04-09 19:48:08.000000000 +0300
@@ -225,7 +225,6 @@
 sysconfdir = @sysconfdir@
 target_alias = @target_alias@
 noinst_LIBRARIES = libqdwav.a
-AM_CFLAGS = -O2
 libqdwav_a_SOURCES = wav_read.c wav_write.c
 noinst_HEADERS = wav_lib.h
 all: all-am
diff -ur lletters-0.1.95.orig/libqdwav/wav_read.c lletters-0.1.95/libqdwav/wav_read.c
--- lletters-0.1.95.orig/libqdwav/wav_read.c	2000-02-21 09:53:08.000000000 +0200
+++ lletters-0.1.95/libqdwav/wav_read.c	2008-04-09 19:51:23.000000000 +0300
@@ -1,5 +1,6 @@
 /* operations for verifying and reading wav files. */
 
+#include <string.h> /* for strs */
 #include <stdio.h>
 #include <fcntl.h>
 #include <sys/stat.h>
diff -ur lletters-0.1.95.orig/libqdwav/wav_write.c lletters-0.1.95/libqdwav/wav_write.c
--- lletters-0.1.95.orig/libqdwav/wav_write.c	2008-04-09 19:23:13.000000000 +0300
+++ lletters-0.1.95/libqdwav/wav_write.c	2008-04-09 19:51:28.000000000 +0300
@@ -1,3 +1,4 @@
+#include <string.h> /* for strs */
 #include <stdio.h>
 #include <fcntl.h>
 #include <signal.h>
diff -ur lletters-0.1.95.orig/list.c lletters-0.1.95/list.c
--- lletters-0.1.95.orig/list.c	2000-02-23 06:54:57.000000000 +0200
+++ lletters-0.1.95/list.c	2008-04-09 19:51:35.000000000 +0300
@@ -1,3 +1,4 @@
+#include <string.h> /* for strs */
 #include "lletters.h"
 
 /* prototype std lib functions */
diff -ur lletters-0.1.95.orig/po/Makefile.in.in lletters-0.1.95/po/Makefile.in.in
--- lletters-0.1.95.orig/po/Makefile.in.in	2008-04-09 19:23:13.000000000 +0300
+++ lletters-0.1.95/po/Makefile.in.in	2008-04-09 19:48:08.000000000 +0300
@@ -111,9 +111,9 @@
 install-data-no: all
 install-data-yes: all
 	if test -r "$(MKINSTALLDIRS)"; then \
-	  $(MKINSTALLDIRS) $(datadir); \
+	  $(MKINSTALLDIRS) $(DESTDIR)$(datadir); \
 	else \
-	  $(SHELL) $(top_srcdir)/mkinstalldirs $(datadir); \
+	  $(SHELL) $(top_srcdir)/mkinstalldirs $(DESTDIR)$(datadir); \
 	fi
 	@catalogs='$(CATALOGS)'; \
 	for cat in $$catalogs; do \
@@ -122,6 +122,7 @@
 	    *.gmo) destdir=$(gnulocaledir);; \
 	    *)     destdir=$(localedir);; \
 	  esac; \
+	  destdir="$(DESTDIR)$$destdir"; \
 	  lang=`echo $$cat | sed 's/\$(CATOBJEXT)$$//'`; \
 	  dir=$$destdir/$$lang/LC_MESSAGES; \
 	  if test -r "$(MKINSTALLDIRS)"; then \