* ext/dbm/extconf.rb: check DBM_SUFFIX for Mac OS X.

  Its ndbm.h doesn't include db.h.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@34726 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Wed Feb 22 06:12:15 2012  Tanaka Akira  <akr@fsij.org>
+
+	* ext/dbm/extconf.rb: check DBM_SUFFIX for Mac OS X.
+	  Its ndbm.h doesn't include db.h.
+
 Wed Feb 22 06:02:42 2012  Tanaka Akira  <akr@fsij.org>
 
 	* ext/dbm/dbm.c (fdbm_initialize): disable Berkeley DB error messages.

ext/dbm/dbm.c

@@ -197,7 +197,7 @@ fdbm_initialize(int argc, VALUE *argv, VALUE obj)
         rb_fd_fix_cloexec(dbm_dirfno(dbm));
 #endif
 
-#if defined(_DB_H_) && defined(HAVE_TYPE_DBC)
+#if defined(RUBYDBM_DB_HEADER) && defined(HAVE_TYPE_DBC)
     /* Disable Berkeley DB error messages such as:
      * DB->put: attempt to modify a read-only database */
         ((DBC*)dbm)->dbp->set_errfile(((DBC*)dbm)->dbp, NULL);
@@ -1101,7 +1101,7 @@ Init_dbm(void)
 #  else
     rb_define_const(rb_cDBM, "VERSION",  rb_str_new2("GDBM (unknown)"));
 #  endif
-#elif defined(_DB_H_)
+#elif defined(RUBYDBM_DB_HEADER)
 #  if defined(HAVE_DB_VERSION)
     /* The version of the dbm library, if using Berkeley DB */
     rb_define_const(rb_cDBM, "VERSION",  rb_str_new2(db_version(NULL, NULL, NULL)));

ext/dbm/extconf.rb

@@ -152,6 +152,9 @@ def headers.db_check2(db, hdr)
   # it defines _DB_H_.
   have_db_header = have_macro('_DB_H_', hdr, hsearch)
 
+  # Mac OS X uses Berkeley DB 1 but ndbm.h doesn't include db.h.
+  have_db_header |= have_macro('DBM_SUFFIX', hdr, hsearch)
+
   # Old GDBM's ndbm.h, until 1.8.3, defines dbm_clearerr as a macro which
   # expands to no tokens.
   have_gdbm_header1 = have_empty_macro_dbm_clearerr(hdr, hsearch)
@@ -172,6 +175,10 @@ def headers.db_check2(db, hdr)
     return false
   end
 
+  if have_db_header
+    $defs.push('-DRUBYDBM_DB_HEADER')
+  end
+
   have_gdbm_header = have_gdbm_header1 | have_gdbm_header2
   if have_gdbm_header
     $defs.push('-DRUBYDBM_GDBM_HEADER')