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-rw-r--r--ext/dbm/extconf.rb7
1 files changed, 7 insertions, 0 deletions
diff --git a/ext/dbm/extconf.rb b/ext/dbm/extconf.rb
index f2bf148cd6..e821690f93 100644
--- a/ext/dbm/extconf.rb
+++ b/ext/dbm/extconf.rb
@@ -152,6 +152,9 @@ def headers.db_check2(db, hdr)
# it defines _DB_H_.
have_db_header = have_macro('_DB_H_', hdr, hsearch)
+ # Mac OS X uses Berkeley DB 1 but ndbm.h doesn't include db.h.
+ have_db_header |= have_macro('DBM_SUFFIX', hdr, hsearch)
+
# Old GDBM's ndbm.h, until 1.8.3, defines dbm_clearerr as a macro which
# expands to no tokens.
have_gdbm_header1 = have_empty_macro_dbm_clearerr(hdr, hsearch)
@@ -172,6 +175,10 @@ def headers.db_check2(db, hdr)
return false
end
+ if have_db_header
+ $defs.push('-DRUBYDBM_DB_HEADER')
+ end
+
have_gdbm_header = have_gdbm_header1 | have_gdbm_header2
if have_gdbm_header
$defs.push('-DRUBYDBM_GDBM_HEADER')