diff options
Diffstat (limited to 'ext')
-rw-r--r-- | ext/dbm/extconf.rb | 63 |
1 files changed, 37 insertions, 26 deletions
diff --git a/ext/dbm/extconf.rb b/ext/dbm/extconf.rb index 69889a333b..02f16110d5 100644 --- a/ext/dbm/extconf.rb +++ b/ext/dbm/extconf.rb @@ -76,33 +76,44 @@ def headers.db_check2(db, hdr) have_library("gdbm") or return false end - if have_type("DBM", hdr, hsearch) and - (db == 'libc' ? have_func('dbm_open("", 0, 0)', hdr, hsearch) : - have_library(db, 'dbm_open("", 0, 0)', hdr, hsearch)) and - have_func('dbm_clearerr((DBM *)0)', hdr, hsearch) and - (/\Adb\d?\z/ =~ db || db == 'libc' || !have_macro('_DB_H_', hdr, hsearch)) # _DB_H_ should not be defined except Berkeley DB. - case db - when /\Adb\d?\z/ - have_func('db_version((int *)0, (int *)0, (int *)0)', hdr, hsearch) - when /\Agdbm/ - have_var("gdbm_version", hdr, hsearch) - # gdbm_version is not declared by ndbm.h until gdbm 1.8.3. - # We can't include ndbm.h and gdbm.h because they both define datum type. - # ndbm.h includes gdbm.h and gdbm_version is declared since gdbm 1.9. - have_libvar(["gdbm_version", "char *"], hdr, hsearch) - when /\Aqdbm\z/ - have_var("dpversion", hdr, hsearch) - end - if hsearch - $defs << hsearch - @defs = hsearch - end - $defs << '-DDBM_HDR="<'+hdr+'>"' - @found << hdr - true - else - false + if !have_type("DBM", hdr, hsearch) + return false + end + + if !(db == 'libc' ? have_func('dbm_open("", 0, 0)', hdr, hsearch) : + have_library(db, 'dbm_open("", 0, 0)', hdr, hsearch)) + return false + end + + if !have_func('dbm_clearerr((DBM *)0)', hdr, hsearch) + return false end + + # _DB_H_ should not be defined except Berkeley DB. + if !(/\Adb\d?\z/ =~ db || db == 'libc' || !have_macro('_DB_H_', hdr, hsearch)) + return false + end + + case db + when /\Adb\d?\z/ + have_func('db_version((int *)0, (int *)0, (int *)0)', hdr, hsearch) + when /\Agdbm/ + have_var("gdbm_version", hdr, hsearch) + # gdbm_version is not declared by ndbm.h until gdbm 1.8.3. + # We can't include ndbm.h and gdbm.h because they both define datum type. + # ndbm.h includes gdbm.h and gdbm_version is declared since gdbm 1.9. + have_libvar(["gdbm_version", "char *"], hdr, hsearch) + when /\Aqdbm\z/ + have_var("dpversion", hdr, hsearch) + end + if hsearch + $defs << hsearch + @defs = hsearch + end + $defs << '-DDBM_HDR="<'+hdr+'>"' + @found << hdr + + true end if dblib.any? {|db| headers.fetch(db, ["ndbm.h"]).any? {|hdr| headers.db_check(db, hdr) } } |