1 files changed, 61 insertions, 0 deletions
diff --git a/ruby_1_8_5/ext/dbm/extconf.rb b/ruby_1_8_5/ext/dbm/extconf.rb
new file mode 100644
index 0000000000..52ec688952
--- /dev/null
+++ b/ruby_1_8_5/ext/dbm/extconf.rb
@@ -0,0 +1,61 @@
+require 'mkmf'
+
+dir_config("dbm")
+
+dblib = with_config("dbm-type", nil)
+
+$dbm_conf_headers = {
+  "db" => ["db.h"],
+  "db1" => ["db1/ndbm.h", "db1.h", "ndbm.h"],
+  "db2" => ["db2/db.h", "db2.h", "db.h"],
+  "dbm" => ["ndbm.h"],
+  "gdbm" => ["gdbm-ndbm.h", "ndbm.h"],
+  "gdbm_compat" => ["gdbm-ndbm.h", "ndbm.h"],
+  "qdbm" => ["relic.h"],
+}
+
+def db_check(db)
+  $dbm_conf_db_prefix = ""
+  $dbm_conf_have_gdbm = false
+  hsearch = ""
+
+  case db
+  when /^db2?$/
+    $dbm_conf_db_prefix = "__db_n"
+    hsearch = "-DDB_DBM_HSEARCH "
+  when "gdbm"
+    $dbm_conf_have_gdbm = true
+  when "gdbm_compat"
+    $dbm_conf_have_gdbm = true
+    have_library("gdbm") or return false
+  end
+
+  if have_library(db, db_prefix("dbm_open")) || have_func(db_prefix("dbm_open"))
+    for hdr in $dbm_conf_headers.fetch(db, ["ndbm.h"])
+      if have_header(hdr.dup) and have_type("DBM", hdr.dup, hsearch)
+	$defs << hsearch << '-DDBM_HDR="<'+hdr+'>"'
+	return true
+      end
+    end
+  end
+  return false
+end
+
+def db_prefix(func)
+  $dbm_conf_db_prefix+func
+end
+
+if dblib
+  dbm_hdr = db_check(dblib)
+else
+  dbm_hdr = %w(db db2 db1 dbm gdbm gdbm_compat qdbm).any? do |dblib|
+    db_check(dblib)
+  end
+end
+
+have_header("cdefs.h") 
+have_header("sys/cdefs.h") 
+if dbm_hdr and have_func(db_prefix("dbm_open"))
+  have_func(db_prefix("dbm_clearerr")) unless $dbm_conf_have_gdbm
+  create_makefile("dbm")
+end