Issue #7144 has been reported by jonforums (Jon Forums).

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Bug #7144: [mingw] 1.9.3 backport r37138 breaks build
https://bugs.ruby-lang.org/issues/7144

Author: jonforums (Jon Forums)
Status: Open
Priority: Normal
Assignee: naruse (Yui NARUSE)
Category: core
Target version: 1.9.3
ruby -v: ruby 1.9.3p277 (2012-09-25 revision 37029) [i386-mingw32]


On ruby_1_9_3@r37144 (but not trunk@37146) the following error occurs with both GCC 4.6.2 (mingw) and GCC 4.7.2 (mingw-w64)

compiling ../../../../Jenkins/workspace/ruby-1_9_3-svn/io.c
../../../../Jenkins/workspace/ruby-1_9_3-svn/io.c: In function 'rb_cloexec_fcntl_dupfd':
../../../../Jenkins/workspace/ruby-1_9_3-svn/io.c:213:21: error: 'F_DUPFD' undeclared (first use in this function)


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