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detect runtime Berkeley DB version. use dpversion instead of _QDBM_VERSION for detect runtime QDBM [ruby-dev:44948] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33963 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
114 lines
3 KiB
Ruby
114 lines
3 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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$defs = old_defs
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end
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result
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end
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def have_libvar(var, headers = nil, opt = "", &b)
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checking_for checking_message([*var].compact.join(' '), headers, opt) do
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try_libvar(var, headers, opt, &b)
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end
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end
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def try_libvar(var, headers = nil, opt = "", &b)
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var, type = *var
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if try_link(<<"SRC", opt, &b)
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#{cpp_include(headers)}
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/*top*/
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int main(int argc, char *argv[]) {
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typedef #{type || 'int'} conftest_type;
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extern conftest_type #{var};
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conftest_type *conftest_var = &#{var};
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return 0;
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}
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SRC
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$defs.push(format("-DHAVE_LIBVAR_%s", var.tr_cpp))
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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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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]?$/
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hsearch = "-DDB_DBM_HSEARCH"
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when "gdbm_compat"
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have_library("gdbm") or return false
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end
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if have_type("DBM", hdr, hsearch) and
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(db == 'libc' ? have_func('dbm_open("", 0, 0)', hdr, hsearch) :
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have_library(db, 'dbm_open("", 0, 0)', hdr, hsearch)) and
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have_func('dbm_clearerr((DBM *)0)', hdr, hsearch)
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case db
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when /\Adb\d?\z/
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have_func('db_version((int *)0, (int *)0, (int *)0)', hdr, hsearch)
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when /\Agdbm/
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have_var("gdbm_version", hdr, hsearch)
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# gdbm_version is not declared by ndbm.h until gdbm 1.8.3.
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# We can't include ndbm.h and gdbm.h because they both define datum type.
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# ndbm.h includes gdbm.h and gdbm_version is declared since gdbm 1.9.
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have_libvar(["gdbm_version", "char *"], hdr, hsearch)
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when /\Aqdbm\z/
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have_var("dpversion", hdr, hsearch)
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end
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if hsearch
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$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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