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* lib/mkmf.rb (have_devel?): checks if the compiler works.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@18995 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2008-08-31 09:22:06 +00:00
parent 1ca7943e11
commit fea2b2538d
2 changed files with 19 additions and 10 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
Sun Aug 31 18:22:04 2008 Nobuyoshi Nakada <nobu@ruby-lang.org>
* lib/mkmf.rb (have_devel?): checks if the compiler works.
Sun Aug 31 18:02:41 2008 Yuki Sonoda (Yugui) <yugui@yugui.jp>
* Temporarily uses git://github.com/yugui/rubyspec.git

25
lib/mkmf.rb
View file

@ -340,7 +340,21 @@ def create_tmpsrc(src)
src
end
def have_devel?
unless defined? $have_devel
$have_devel = true
$have_devel = try_link(MAIN_DOES_NOTHING)
end
$have_devel
end
def try_do(src, command, &b)
unless have_devel?
raise <<MSG
The complier failed to generate an executable file.
You have to install development tools first.
MSG
end
src = create_tmpsrc(src, &b)
xsystem(command)
ensure
@ -448,7 +462,6 @@ end
def try_static_assert(expr, headers = nil, opt = "", &b)
headers = cpp_include(headers)
try_compile(<<SRC, opt, &b)
#{COMMON_HEADERS}
#{headers}
/*top*/
int conftest_const[(#{expr}) ? 1 : -1];
@ -487,8 +500,7 @@ def try_constant(const, headers = nil, opt = "", &b)
upper = -upper if neg
return upper
else
src = %{#{COMMON_HEADERS}
#{includes}
src = %{#{includes}
#include <stdio.h>
/*top*/
int conftest_const = (int)(#{const});
@ -506,7 +518,6 @@ end
def try_func(func, libs, headers = nil, &b)
headers = cpp_include(headers)
try_link(<<"SRC", libs, &b) or try_link(<<"SRC", libs, &b)
#{COMMON_HEADERS}
#{headers}
/*top*/
#{MAIN_DOES_NOTHING}
@ -522,7 +533,6 @@ end
def try_var(var, headers = nil, &b)
headers = cpp_include(headers)
try_compile(<<"SRC", &b)
#{COMMON_HEADERS}
#{headers}
/*top*/
#{MAIN_DOES_NOTHING}
@ -840,7 +850,6 @@ end
def have_struct_member(type, member, headers = nil, &b)
checking_for checking_message("#{type}.#{member}", headers) do
if try_compile(<<"SRC", &b)
#{COMMON_HEADERS}
#{cpp_include(headers)}
/*top*/
#{MAIN_DOES_NOTHING}
@ -857,7 +866,6 @@ end
def try_type(type, headers = nil, opt = "", &b)
if try_compile(<<"SRC", opt, &b)
#{COMMON_HEADERS}
#{cpp_include(headers)}
/*top*/
typedef #{type} conftest_type;
@ -912,7 +920,6 @@ end
def try_const(const, headers = nil, opt = "", &b)
const, type = *const
if try_compile(<<"SRC", opt, &b)
#{COMMON_HEADERS}
#{cpp_include(headers)}
/*top*/
typedef #{type || 'int'} conftest_type;
@ -977,7 +984,6 @@ end
# pointer.
def scalar_ptr_type?(type, member = nil, headers = nil, &b)
try_compile(<<"SRC", &b) # pointer
#{COMMON_HEADERS}
#{cpp_include(headers)}
/*top*/
volatile #{type} conftestval;
@ -990,7 +996,6 @@ end
# pointer.
def scalar_type?(type, member = nil, headers = nil, &b)
try_compile(<<"SRC", &b) # pointer
#{COMMON_HEADERS}
#{cpp_include(headers)}
/*top*/
volatile #{type} conftestval;