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-rw-r--r--ext/dbm/dbm.c16
1 files changed, 15 insertions, 1 deletions
diff --git a/ext/dbm/dbm.c b/ext/dbm/dbm.c
index 3409d8faa0..221c6739e7 100644
--- a/ext/dbm/dbm.c
+++ b/ext/dbm/dbm.c
@@ -1076,9 +1076,23 @@ Init_dbm(void)
*/
rb_define_const(rb_cDBM, "NEWDB", INT2FIX(O_RDWR|O_CREAT|O_TRUNC|RUBY_DBM_RW_BIT));
-#ifdef DB_VERSION_STRING
+#if defined(DB_VERSION_STRING)
/* The version of the dbm library, if using Berkeley DB */
rb_define_const(rb_cDBM, "VERSION", rb_str_new2(DB_VERSION_STRING));
+#elif defined(HAVE_GDBM_VERSION)
+ /* since gdbm 1.9 */
+ rb_define_const(rb_cDBM, "VERSION", rb_str_new2(gdbm_version));
+#elif defined(HAVE_LIBVAR_GDBM_VERSION)
+ {
+ /* ndbm.h doesn't declare gdbm_version until gdbm 1.8.3.
+ * See extconf.rb for more information. */
+ extern char *gdbm_version;
+ rb_define_const(rb_cDBM, "VERSION", rb_str_new2(gdbm_version));
+ }
+#elif defined(_QDBM_VERSION)
+ rb_define_const(rb_cDBM, "VERSION", rb_str_new2("QDBM " _QDBM_VERSION));
+#elif defined(_DB_H_)
+ rb_define_const(rb_cDBM, "VERSION", rb_str_new2("Berkeley DB (unknown)"));
#else
rb_define_const(rb_cDBM, "VERSION", rb_str_new2("unknown"));
#endif