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require 'mkmf'
dir_config("dbm")
$db_hdr = "ndbm.h"
$db_prefix = ""
dblib = with_config("dbm-type", nil)
def db_check(db)
if /^db2?$/ =~ db
$db_prefix = "__db_n"
$db_hdr = db+".h"
end
r = have_library(db, db_prefix("dbm_open"))
if db == "gdbm"
$have_gdbm = true
end
return r
end
def db_prefix(func)
$db_prefix+func
end
if dblib
db_check(dblib)
else
for dblib in %w(db db2 db1 dbm gdbm)
db_check(dblib) and break
end
end
have_header("cdefs.h")
have_header("sys/cdefs.h")
if have_header($db_hdr) and have_func(db_prefix("dbm_open"))
have_func(db_prefix("dbm_clearerr")) unless $have_gdbm
create_makefile("dbm")
end
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