Index: devel/pb/bin/pb
===================================================================
--- devel/pb/bin/pb	(revision 1126)
+++ devel/pb/bin/pb	(revision 1127)
@@ -1951,5 +1951,6 @@
 				die("Found an existing Virtual machine $vmm. Won't overwrite") if (-r $vmm);
 				if (($vmtype eq "qemu") || ($vmtype eq "xen") || ($vmtype eq "kvm")) {
-					pb_system("/usr/bin/qemu-img create -f qcow2 $vmm $vmsize->{$ENV{'PBPROJ'}}","Creating the QEMU VM");
+					my $command = pb_check_req("qemu-img",0);
+					pb_system("$command create -f qcow2 $vmm $vmsize->{$ENV{'PBPROJ'}}","Creating the QEMU VM");
 				} elsif ($vmtype eq "vmware") {
 				} else {
@@ -2059,10 +2060,12 @@
 							$addpkgs = "-a $postparam";
 						}
-						pb_system("sudo /usr/bin/rpmbootstrap $rbsopt $postinstall $addpkgs $ddir-$dver-$darch $rbsverb","Creating the rpmbootstrap VE for $ddir-$dver ($darch)", "verbose");
+						my $command = pb_check_req("rpmbootstrap",0);
+						pb_system("sudo $command $rbsopt $postinstall $addpkgs $ddir-$dver-$darch $rbsverb","Creating the rpmbootstrap VE for $ddir-$dver ($darch)", "verbose");
 					} elsif ($verpmstyle eq "mock") {
 						my ($rbsconf) = pb_conf_get("rbsconf");
-						pb_system("sudo /usr/sbin/mock --init --resultdir=\"/tmp\" --configdir=\"$rbsconf->{$ENV{'PBPROJ'}}\" -r $v $rbsopt","Creating the mock VE for $ddir-$dver ($darch)");
+						my $command = pb_check_req("mock",0);
+						pb_system("sudo $command --init --resultdir=\"/tmp\" --configdir=\"$rbsconf->{$ENV{'PBPROJ'}}\" -r $v $rbsopt","Creating the mock VE for $ddir-$dver ($darch)");
 						# Once setup we need to install some packages, the pb account, ...
-						pb_system("sudo /usr/sbin/mock --install --configdir=\"$rbsconf->{$ENV{'PBPROJ'}}\" -r $v su","Configuring the mock VE");
+						pb_system("sudo $command --install --configdir=\"$rbsconf->{$ENV{'PBPROJ'}}\" -r $v su","Configuring the mock VE");
 					} else {
 						die "Unknown verpmtype type $verpmstyle. Report to dev team";