summaryrefslogtreecommitdiff
path: root/ext/dbm
diff options
context:
space:
mode:
Diffstat (limited to 'ext/dbm')
-rw-r--r--ext/dbm/extconf.rb3
1 files changed, 2 insertions, 1 deletions
diff --git a/ext/dbm/extconf.rb b/ext/dbm/extconf.rb
index 9c4004814e..69889a333b 100644
--- a/ext/dbm/extconf.rb
+++ b/ext/dbm/extconf.rb
@@ -79,7 +79,8 @@ def headers.db_check2(db, hdr)
if have_type("DBM", hdr, hsearch) and
(db == 'libc' ? have_func('dbm_open("", 0, 0)', hdr, hsearch) :
have_library(db, 'dbm_open("", 0, 0)', hdr, hsearch)) and
- have_func('dbm_clearerr((DBM *)0)', hdr, hsearch)
+ have_func('dbm_clearerr((DBM *)0)', hdr, hsearch) and
+ (/\Adb\d?\z/ =~ db || db == 'libc' || !have_macro('_DB_H_', hdr, hsearch)) # _DB_H_ should not be defined except Berkeley DB.
case db
when /\Adb\d?\z/
have_func('db_version((int *)0, (int *)0, (int *)0)', hdr, hsearch)