Research V7 development

Work on file usr/src/libdbm/mklib
Work on file usr/src/libdbm/compall

Synthesized-from: v7

diff --git a/usr/src/libdbm/compall b/usr/src/libdbm/compall
new file mode 100755 (executable)
index 0000000..7abd2bc
--- /dev/null
+++ b/usr/src/libdbm/compall
@@ -0,0 +1 @@
+cc -c -O dbm.c

diff --git a/usr/src/libdbm/mklib b/usr/src/libdbm/mklib
new file mode 100755 (executable)
index 0000000..8b34035
--- /dev/null
+++ b/usr/src/libdbm/mklib
@@ -0,0 +1 @@
+mv dbm.o libdbm.a