зеркало из https://github.com/github/ruby.git
77 строки
2.0 KiB
Ruby
77 строки
2.0 KiB
Ruby
require 'mkmf'
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dir_config("dbm")
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if dblib = with_config("dbm-type", nil)
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dblib = dblib.split(/[ ,]+/)
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else
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dblib = %w(libc db db2 db1 db5 db4 db3 dbm gdbm gdbm_compat qdbm)
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end
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headers = {
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"libc" => ["ndbm.h"], # 4.4BSD libc contains Berkeley DB 1.
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"db" => ["db.h"],
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"db1" => ["db1/ndbm.h", "db1.h", "ndbm.h"],
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"db2" => ["db2/db.h", "db2.h", "db.h"],
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"db3" => ["db3/db.h", "db3.h", "db.h"],
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"db4" => ["db4/db.h", "db4.h", "db.h"],
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"db5" => ["db5/db.h", "db5.h", "db.h"],
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"dbm" => ["ndbm.h"], # traditional ndbm (4.3BSD)
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"gdbm" => ["gdbm-ndbm.h", "ndbm.h", "gdbm/ndbm.h"], # gdbm until 1.8.0
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"gdbm_compat" => ["gdbm-ndbm.h", "ndbm.h", "gdbm/ndbm.h"], # gdbm since 1.8.1
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"qdbm" => ["relic.h", "qdbm/relic.h"],
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}
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class << headers
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attr_accessor :found
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attr_accessor :defs
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end
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headers.found = []
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headers.defs = nil
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def headers.db_check(db, hdr)
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old_libs = $libs.dup
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old_defs = $defs.dup
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result = db_check2(db, hdr)
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if !result
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$libs = old_libs
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$defs = old_defs
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end
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result
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end
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def headers.db_check2(db, hdr)
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hsearch = nil
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case db
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when /^db[2-5]?$/
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hsearch = "-DDB_DBM_HSEARCH"
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when "gdbm_compat"
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have_library("gdbm") or return false
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end
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if (have_type("DBM", hdr, hsearch) || have_type("DBM", ["db.h", hdr], hsearch)) and
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(db == 'libc' ? have_func('dbm_open("", 0, 0)', hdr, hsearch) :
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have_library(db, 'dbm_open("", 0, 0)', hdr, hsearch)) and
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have_func('dbm_clearerr((DBM *)0)', hdr, hsearch)
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if hsearch
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$defs << hsearch
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@defs = hsearch
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end
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$defs << '-DDBM_HDR="<'+hdr+'>"'
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@found << hdr
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true
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else
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false
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end
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end
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if dblib.any? {|db| headers.fetch(db, ["ndbm.h"]).any? {|hdr| headers.db_check(db, hdr) } }
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have_header("cdefs.h")
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have_header("sys/cdefs.h")
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have_func("dbm_pagfno((DBM *)0)", headers.found, headers.defs)
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have_func("dbm_dirfno((DBM *)0)", headers.found, headers.defs)
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convertible_int("datum.dsize", headers.found, headers.defs)
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create_makefile("dbm")
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end
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