ruby-core

Issue #12829 has been reported by Martin Dürst.

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Bug #12829: Compile error on cygwin (io.c)
https://bugs.ruby-lang.org/issues/12829

* Author: Martin Dürst
* Status: Open
* Priority: Normal
* Assignee: Nobuyoshi Nakada
* ruby -v: ruby 2.4.0dev (2016-10-09 trunk 56382) [x86_64-cygwin]
* Backport: 2.1: UNKNOWN, 2.2: UNKNOWN, 2.3: UNKNOWN
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I get the following error when trying to compile the latest version of Ruby trunk on cygwin:

Thread model: posix
gcc version 5.4.0 (GCC)
compiling io.c
io.c: In function ‘prep_io’:
io.c:7378:4: error: ‘rb_io_t {aka struct rb_io_t}’ has no member named ‘fmode’
  fp->fmode |= FMODE_BINMODE;
    ^
io.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’
make: *** [Makefile:365: io.o] Error 1
compiling io.c
io.c: In function ‘prep_io’:
io.c:7378:4: error: ‘rb_io_t {aka struct rb_io_t}’ has no member named ‘fmode’
  fp->fmode |= FMODE_BINMODE;
    ^
io.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’
make: *** [Makefile:365: io.o] Error 1




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