From 95f3f9829f8a5e8ff29c5c6b26f1062c7cb23786 Mon Sep 17 00:00:00 2001
From: akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 19 Feb 2012 14:02:14 +0000
Subject: * ext/dbm/dbm.c (Init_dbm): refine DBM::VERSION definition.

* ext/dbm/extconf.rb: provide RUBYDBM_GDBM_HEADER macro.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@34696 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ext/dbm/dbm.c | 30 +++++++++++++++++++-----------
 1 file changed, 19 insertions(+), 11 deletions(-)

(limited to 'ext/dbm/dbm.c')

diff --git a/ext/dbm/dbm.c b/ext/dbm/dbm.c
index aba395c9a0..d6d1f4959a 100644
--- a/ext/dbm/dbm.c
+++ b/ext/dbm/dbm.c
@@ -1079,27 +1079,35 @@ Init_dbm(void)
      */
     rb_define_const(rb_cDBM, "NEWDB",   INT2FIX(O_RDWR|O_CREAT|O_TRUNC|RUBY_DBM_RW_BIT));
 
-#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)));
-#elif defined(HAVE_DECLARED_LIBVAR_GDBM_VERSION)
+#if defined(_DBM_IOERR)
+    rb_define_const(rb_cDBM, "VERSION",  rb_str_new2("NDBM (4.3BSD)"));
+#elif defined(RUBYDBM_GDBM_HEADER)
+#  if defined(HAVE_DECLARED_LIBVAR_GDBM_VERSION)
     /* since gdbm 1.9 */
     rb_define_const(rb_cDBM, "VERSION",  rb_str_new2(gdbm_version));
-#elif defined(HAVE_UNDECLARED_LIBVAR_GDBM_VERSION)
+#  elif defined(HAVE_UNDECLARED_LIBVAR_GDBM_VERSION)
     /* ndbm.h doesn't declare gdbm_version until gdbm 1.8.3.
      * See extconf.rb for more information. */
     {
 	RUBY_EXTERN char *gdbm_version;
 	rb_define_const(rb_cDBM, "VERSION",  rb_str_new2(gdbm_version));
     }
-#elif defined(HAVE_DPVERSION)
-    rb_define_const(rb_cDBM, "VERSION",  rb_sprintf("QDBM %s", dpversion));
+#  else
+    rb_define_const(rb_cDBM, "VERSION",  rb_str_new2("GDBM (unknown)"));
+#  endif
 #elif defined(_DB_H_)
+#  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)));
+#  else
     rb_define_const(rb_cDBM, "VERSION",  rb_str_new2("Berkeley DB (unknown)"));
-#elif defined(_GDBM_H_) || defined(HAVE_EMPTY_MACRO_DBM_CLEARERR)
-    rb_define_const(rb_cDBM, "VERSION",  rb_str_new2("GDBM (unknown)"));
-#elif defined(_DBM_IOERR)
-    rb_define_const(rb_cDBM, "VERSION",  rb_str_new2("NDBM (4.3BSD)"));
+#  endif
+#elif defined(_RELIC_H)
+#  if defined(HAVE_DPVERSION)
+    rb_define_const(rb_cDBM, "VERSION",  rb_sprintf("QDBM %s", dpversion));
+#  else
+    rb_define_const(rb_cDBM, "VERSION",  rb_str_new2("QDBM (unknown)"));
+#  endif
 #else
     rb_define_const(rb_cDBM, "VERSION",  rb_str_new2("unknown"));
 #endif
-- 
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