ruby/ext/dbm/extconf.rb

57 строки
1.1 KiB
Ruby

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"],
}
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
end
if have_func(db_prefix("dbm_open")) || have_library(db, db_prefix("dbm_open"))
for hdr in $dbm_conf_headers.fetch(db, ["ndbm.h"])
if have_header(hdr.dup)
$CFLAGS += " " + hsearch + "-DDBM_HDR='<"+hdr+">'"
return true
end
end
end
return false
end
def db_prefix(func)
$dbm_conf_db_prefix+func
end
if dblib
db_check(dblib)
else
for dblib in %w(db db2 db1 dbm gdbm)
db_check(dblib) and break
end
end
have_header("cdefs.h")
have_header("sys/cdefs.h")
if have_func(db_prefix("dbm_open"))
have_func(db_prefix("dbm_clearerr")) unless $dbm_conf_have_gdbm
create_makefile("dbm")
end