diff options
author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-01-23 07:18:01 +0000 |
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committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-01-23 07:18:01 +0000 |
commit | 5d223fabb78ea5718eb3931f0d84a6d3df6fa014 (patch) | |
tree | 8499dfe227311505ea759becb75a3b9abe6d1e0e /test/mkmf | |
parent | e8c229510eefb3ba2a195493119cee859f1b7634 (diff) |
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
Diffstat (limited to 'test/mkmf')
-rw-r--r-- | test/mkmf/test_constant.rb | 15 |
1 files changed, 15 insertions, 0 deletions
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 |