From: usa@...
Date: 2016-06-08T05:35:33+00:00
Subject: [ruby-core:75895] [Ruby trunk Bug#12426] Error when compiling	win32ole.c on cygwin

Issue #12426 has been updated by Usaku NAKAMURA.

Backport changed from 2.1: UNKNOWN, 2.2: UNKNOWN, 2.3: UNKNOWN to 2.1: DONTNEED, 2.2: DONTNEED, 2.3: DONTNEED

----------------------------------------
Bug #12426: Error when compiling win32ole.c on cygwin
https://bugs.ruby-lang.org/issues/12426#change-59076

* Author: Martin D��rst
* Status: Closed
* Priority: Normal
* Assignee: Nobuyoshi Nakada
* ruby -v: ruby 2.4.0dev (2016-05-24 trunk 55139) [x86_64-cygwin]
* Backport: 2.1: DONTNEED, 2.2: DONTNEED, 2.3: DONTNEED
----------------------------------------
I get the following error when compiling ruby on cygwin:

```
compiling win32ole.c
In file included from win32ole.h:3:0,
                 from win32ole.c:18:
win32ole.c: In function ���fole_initialize���:
../.././include/ruby/ruby.h:2224:36: error: call to ���rb_scan_args_bad_format��� declared with attribute error: bad scan arg format
       /(rb_scan_args_valid_p(fmt)||rb_scan_args_bad_format(fmt))) \
                                    ^
../.././include/ruby/ruby.h:2236:8: note: in expansion of macro ���rb_scan_args_verify���
        rb_scan_args_verify(fmt, varc), vars)
        ^
../.././include/ruby/ruby.h:2156:9: note: in expansion of macro ���rb_scan_args0���
         rb_scan_args0(argc,argv,fmt,(sizeof((VALUE*[]){__VA_ARGS__})/sizeof(VALUE*)),((VALUE*[]){__VA_ARGS__})), \
         ^
win32ole.c:2448:5: note: in expansion of macro ���rb_scan_args���
     rb_scan_args(argc, argv, "11*", &svr_name, &host, &others);
     ^
win32ole.c: At top level:
cc1: warning: unrecognized command line option ���-Wno-self-assign���
cc1: warning: unrecognized command line option ���-Wno-constant-logical-operand���
cc1: warning: unrecognized command line option ���-Wno-parentheses-equality���
cc1: warning: unrecognized command line option ���-Wno-tautological-compare���
Makefile:256: recipe for target 'win32ole.o' failed
make[2]: *** [win32ole.o] Error 1
make[2]: Leaving directory '/cygdrive/c/Data/ruby/ext/win32ole'
exts.mk:259: recipe for target 'ext/win32ole/all' failed
make[1]: *** [ext/win32ole/all] Error 2
make[1]: Leaving directory '/cygdrive/c/Data/ruby'
uncommon.mk:204: recipe for target 'build-ext' failed
make: *** [build-ext] Error 2
```



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