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* lib/mkmf.rb (have_devel?): checks if the compiler works.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@18995 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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1ca7943e11
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2 changed files with 19 additions and 10 deletions
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@ -1,3 +1,7 @@
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Sun Aug 31 18:22:04 2008 Nobuyoshi Nakada <nobu@ruby-lang.org>
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* lib/mkmf.rb (have_devel?): checks if the compiler works.
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Sun Aug 31 18:02:41 2008 Yuki Sonoda (Yugui) <yugui@yugui.jp>
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* Temporarily uses git://github.com/yugui/rubyspec.git
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25
lib/mkmf.rb
25
lib/mkmf.rb
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@ -340,7 +340,21 @@ def create_tmpsrc(src)
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src
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end
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def have_devel?
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unless defined? $have_devel
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$have_devel = true
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$have_devel = try_link(MAIN_DOES_NOTHING)
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end
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$have_devel
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end
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def try_do(src, command, &b)
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unless have_devel?
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raise <<MSG
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The complier failed to generate an executable file.
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You have to install development tools first.
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MSG
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end
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src = create_tmpsrc(src, &b)
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xsystem(command)
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ensure
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@ -448,7 +462,6 @@ end
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def try_static_assert(expr, headers = nil, opt = "", &b)
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headers = cpp_include(headers)
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try_compile(<<SRC, opt, &b)
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#{COMMON_HEADERS}
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#{headers}
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/*top*/
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int conftest_const[(#{expr}) ? 1 : -1];
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@ -487,8 +500,7 @@ def try_constant(const, headers = nil, opt = "", &b)
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upper = -upper if neg
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return upper
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else
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src = %{#{COMMON_HEADERS}
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#{includes}
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src = %{#{includes}
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#include <stdio.h>
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/*top*/
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int conftest_const = (int)(#{const});
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@ -506,7 +518,6 @@ end
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def try_func(func, libs, headers = nil, &b)
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headers = cpp_include(headers)
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try_link(<<"SRC", libs, &b) or try_link(<<"SRC", libs, &b)
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#{COMMON_HEADERS}
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#{headers}
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/*top*/
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#{MAIN_DOES_NOTHING}
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@ -522,7 +533,6 @@ end
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def try_var(var, headers = nil, &b)
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headers = cpp_include(headers)
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try_compile(<<"SRC", &b)
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#{COMMON_HEADERS}
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#{headers}
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/*top*/
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#{MAIN_DOES_NOTHING}
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@ -840,7 +850,6 @@ end
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def have_struct_member(type, member, headers = nil, &b)
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checking_for checking_message("#{type}.#{member}", headers) do
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if try_compile(<<"SRC", &b)
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#{COMMON_HEADERS}
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#{cpp_include(headers)}
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/*top*/
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#{MAIN_DOES_NOTHING}
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@ -857,7 +866,6 @@ end
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def try_type(type, headers = nil, opt = "", &b)
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if try_compile(<<"SRC", opt, &b)
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#{COMMON_HEADERS}
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#{cpp_include(headers)}
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/*top*/
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typedef #{type} conftest_type;
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@ -912,7 +920,6 @@ end
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def try_const(const, headers = nil, opt = "", &b)
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const, type = *const
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if try_compile(<<"SRC", opt, &b)
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#{COMMON_HEADERS}
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#{cpp_include(headers)}
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/*top*/
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typedef #{type || 'int'} conftest_type;
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@ -977,7 +984,6 @@ end
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# pointer.
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def scalar_ptr_type?(type, member = nil, headers = nil, &b)
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try_compile(<<"SRC", &b) # pointer
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#{COMMON_HEADERS}
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#{cpp_include(headers)}
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/*top*/
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volatile #{type} conftestval;
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@ -990,7 +996,6 @@ end
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# pointer.
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def scalar_type?(type, member = nil, headers = nil, &b)
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try_compile(<<"SRC", &b) # pointer
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#{COMMON_HEADERS}
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#{cpp_include(headers)}
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/*top*/
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volatile #{type} conftestval;
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