diff --git a/src/lib/Makefile b/src/lib/Makefile
deleted file mode 100644
index 7909a5f89..000000000
--- a/src/lib/Makefile
+++ /dev/null
@@ -1,36 +0,0 @@
-# 
-# $Id: Makefile,v 1.11 2006/09/06 23:23:03 srhea Exp $
-#
-# Copyright (c) 2006 Sean C. Rhea (srhea@srhea.net)
-#
-# This program is free software; you can redistribute it and/or modify it
-# under the terms of the GNU General Public License as published by the Free
-# Software Foundation; either version 2 of the License, or (at your option)
-# any later version.
-# 
-# This program is distributed in the hope that it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
-# more details.
-# 
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc., 51
-# Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
-#
-
-CC=gcc
-CFLAGS=-g -W -Wall -Werror -ansi -pedantic -std=c99 -D_BSD_SOURCE
-LIBTOOL=libtool
-
-all: libgc.a
-.PHONY: all clean
-
-clean:
-	rm -f *.o libgc.a
-
-libgc.a: pt.o # cpint.o
-	rm -f $@
-	ar q $@ $^
-
-pt.o: pt.h
-
diff --git a/src/lib/lib.pro b/src/lib/lib.pro
new file mode 100644
index 000000000..cbfa4e924
--- /dev/null
+++ b/src/lib/lib.pro
@@ -0,0 +1,14 @@
+######################################################################
+# Automatically generated by qmake (2.01a) Fri Sep 14 16:49:39 2007
+######################################################################
+
+TEMPLATE = lib
+TARGET = gc
+DEPENDPATH += .
+INCLUDEPATH += .
+CONFIG += static
+
+# Input
+HEADERS += pt.h
+SOURCES += pt.cpp
+
diff --git a/src/lib/pt.c b/src/lib/pt.cpp
similarity index 98%
rename from src/lib/pt.c
rename to src/lib/pt.cpp
index 64178832b..7963625f5 100644
--- a/src/lib/pt.c
+++ b/src/lib/pt.cpp
@@ -67,7 +67,7 @@ pt_find_device(char *result[], int capacity)
     dirp = opendir("/dev");
     while ((count < capacity) && ((dp = readdir(dirp)) != NULL)) {
         if (regexec(&reg, dp->d_name, 0, NULL, 0) == 0) {
-            result[count] = malloc(6 + strlen(dp->d_name));
+            result[count] = (char*) malloc(6 + strlen(dp->d_name));
             sprintf(result[count], "/dev/%s", dp->d_name);
             ++count;
         }
@@ -521,14 +521,14 @@ pt_pack_data(unsigned char *buf, unsigned wheel_sz_mm, double nm,
              double mph, double miles, unsigned cad, unsigned hr) 
 {
     double rotations = miles / BAD_KM_TO_MI * 1000.00 * 1000.0 / wheel_sz_mm;
-    unsigned inlbs = round(nm / BAD_LBFIN_TO_NM_2);
+    unsigned inlbs = (unsigned) round(nm / BAD_LBFIN_TO_NM_2);
     double kph10 = mph * 10.0 / BAD_KM_TO_MI;
     unsigned speed;
     if (mph == -1.0)
         speed = 0xfff;
     else
-        speed = round(MAGIC_CONSTANT / kph10); 
-    buf[0] = 0x80 | check(round(rotations));
+        speed = (unsigned) round(MAGIC_CONSTANT / kph10); 
+    buf[0] = 0x80 | check((unsigned) round(rotations));
     buf[1] = ((inlbs & 0xf00) >> 4) | ((speed & 0xf00) >> 8);
     buf[2] = inlbs & 0xff;
     buf[3] = speed & 0xff;