adding v4l2 support

build.sh

@@ -1,30 +1,34 @@
 #!/bin/bash
 
-cd lib
-echo ============= we are in $PWD
-make
-error=$?
-if [ 0 -ne $error ]; then
-	printf "in %s err %d in %s\n" $PWD $error $0
-	exit $error
-fi
-echo
-cd ..
+# ------------------------------------------------------------------
 
-cd funcs
-echo ============= we are in $PWD
-make
+function build
+{
+echo ============= $1 ==============
+curdir=${PWD}
+cd $1
+make 
 error=$?
-if [ 0 -ne $error ]; then
-	printf "in %s err %d in %s\n" $PWD $error $0
-	exit $error
+cd ${curdir}
+
+if [ ${error} -ne 0 ]
+then
+	echo === error on $1 = ${error}
+	exit
 fi
-echo
-cd ..
+}
+
+# ------------------------------------------------------------------
+
+build lib
+build funcs
+build tools
+
+# ------------------------------------------------------------------
 
 cd tools
 echo 
-make fimg2pnm addtga2fimg mkfimg png2fimg fimgstats fimg2png
+make 
 error=$?
 cd ..