tests/vm: add --build-target option

This allows us to invoke the build with a custom target (for the VMs
that use the {target} format string specifier). Currently OpenBSD is
still hardwired due to problems running check.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>

tests/vm/basevm.py

@@ -228,6 +228,8 @@ def get_default_jobs():
                       help="build image")
     parser.add_option("--build-qemu",
                       help="build QEMU from source in guest")
+    parser.add_option("--build-target",
+                      help="QEMU build target", default="check")
     parser.add_option("--interactive", "-I", action="store_true",
                       help="Interactively run command")
     parser.add_option("--snapshot", "-s", action="store_true",
@@ -255,6 +257,7 @@ def main(vmcls):
             cmd = [vm.BUILD_SCRIPT.format(
                    configure_opts = " ".join(argv),
                    jobs=args.jobs,
+                   target=args.build_target,
                    verbose = "V=1" if args.verbose else "")]
         else:
             cmd = argv

tests/vm/freebsd

@@ -25,7 +25,7 @@ class FreeBSDVM(basevm.BaseVM):
         cd $(mktemp -d /var/tmp/qemu-test.XXXXXX);
         tar -xf /dev/vtbd1;
         ./configure {configure_opts};
-        gmake --output-sync -j{jobs} check {verbose};
+        gmake --output-sync -j{jobs} {target} {verbose};
     """
 
     def build_image(self, img):

tests/vm/netbsd

@@ -25,7 +25,7 @@ class NetBSDVM(basevm.BaseVM):
         cd $(mktemp -d /var/tmp/qemu-test.XXXXXX);
         tar -xf /dev/rld1a;
         ./configure --python=python2.7 {configure_opts};
-        gmake --output-sync -j{jobs} check {verbose};
+        gmake --output-sync -j{jobs} {target} {verbose};
     """
 
     def build_image(self, img):

tests/vm/ubuntu.i386

@@ -26,7 +26,7 @@ class UbuntuX86VM(basevm.BaseVM):
         sudo chmod a+r /dev/vdb;
         tar -xf /dev/vdb;
         ./configure {configure_opts};
-        make --output-sync check -j{jobs} {verbose};
+        make --output-sync {target} -j{jobs} {verbose};
     """
 
     def _gen_cloud_init_iso(self):