Avoid another "make check" failure due to omitted programs.

* tests/test-lib.sh (require_built_): New function.
* tests/misc/groups-version: Use it to skip this test if
either groups or id is not built.

2 files changed, 14 insertions, 0 deletions

diff --git a/tests/misc/groups-version b/tests/misc/groups-version
index 15327be32..e7050c30f 100755
--- a/tests/misc/groups-version
+++ b/tests/misc/groups-version
@@ -23,6 +23,7 @@ fi
 
 . $srcdir/../lang-default
 . $srcdir/../test-lib.sh
+require_built_ groups id
 
 fail=0
 groups --version | sed 's/^groups/id/; /^$/q' > out || fail=1
diff --git a/tests/test-lib.sh b/tests/test-lib.sh
index 8872b27b1..a3afba0bf 100644
--- a/tests/test-lib.sh
+++ b/tests/test-lib.sh
@@ -29,6 +29,19 @@ require_ulimit_()
     && skip_test_ "this shell lacks ulimit support"
 }
 
+require_built_()
+{
+  skip_=no
+  for i in "$@"; do
+    case " $built_programs " in
+      *" $i "*) ;;
+      *) echo "$i: not built" 1>&2; skip_=yes ;;
+    esac
+  done
+
+  test $skip_ = yes && skip_test_ "required program(s) not built"
+}
+
 uid_is_privileged_()
 {
   # Make sure id -u succeeds.