Bug #10079: Warnings in definition of macro 'PACKED_STRUCT'

• Status: Closed
• Assignee: nobu (Nobuyoshi Nakada)
• Target version: 2.2.0
• ruby -v: ruby 2.2.0dev (2014-07-21 trunk 46893) [powerpc64le-linux]
• Backport: 2.0.0: UNKNOWN, 2.1: UNKNOWN

[gustavo.pedrosa (Gustavo Frederico Temple Pedrosa)]

After the commit db433dc39d07449184a908d417919e3de8b70405, the building shows many warnings like below:

compiling pty.c
In file included from pty.c:1:0:
../.././include/ruby/io.h:54:30: warning: 'packed' attribute ignored [-Wattributes]
 PACKED_STRUCT(typedef struct {
                              ^
../../.ext/include/powerpc64le-linux/ruby/config.h:71:26: note: in definition of macro 'PACKED_STRUCT'
 #define PACKED_STRUCT(x) x __attribute__((packed))
                          ^

• Status changed from Open to Closed
• % Done changed from 0 to 100

Applied in changeset r46894.

---

rb_io_buffer_t: fix packing on gcc

• include/ruby/io.h (rb_io_buffer_t): fix packing on gcc
  r46892 caused packing to be a no-op on gcc (4.7.2-5, Debian)
  [Bug #10079][ruby-core:63912]