From 5d223fabb78ea5718eb3931f0d84a6d3df6fa014 Mon Sep 17 00:00:00 2001 From: nobu Date: Wed, 23 Jan 2013 07:18:01 +0000 Subject: mkmf.rb: larger constants * lib/mkmf.rb (MakeMakefile#try_constant): fix for larger constants. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38907 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- test/mkmf/test_constant.rb | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'test') diff --git a/test/mkmf/test_constant.rb b/test/mkmf/test_constant.rb index bf5ff8c3f1..6628f7f0bc 100644 --- a/test/mkmf/test_constant.rb +++ b/test/mkmf/test_constant.rb @@ -14,5 +14,20 @@ class TestMkmf assert_equal(config_value("SIZEOF_VOIDP").to_i, mkmf {try_constant("sizeof(void*)")}, MKMFLOG) assert_equal(config_value("SIZEOF_VALUE").to_i, mkmf {try_constant("sizeof(Qnil)")}, MKMFLOG) end + + def test_long + sizeof_int = config_value("SIZEOF_INT").to_i + sizeof_long = config_value("SIZEOF_LONG").to_i + if sizeof_long > sizeof_int + type = 'long' + else + sizeof_long_long = config_value("SIZEOF_LONG_LONG").to_i + return if !sizeof_long_long or sizeof_long_long <= sizeof_int + type = 'LONG_LONG' + end + + decl = "#define CONFTEST_VALUE (unsigned #{type})(((unsigned #{type})1)<<(CHAR_BIT*sizeof(int)))" + assert_operator(mkmf {try_constant("CONFTEST_VALUE", [[decl]])}, :>, 0, MKMFLOG) + end end end -- cgit v1.2.3