Bug #18118: Error compiling ruby 2.7.0: pure_parser.rb:25:in `gets': Can't do inplace edit without backup (fatal)

• Status: Closed
• Assignee: -
• Target version: -
• ruby -v: ruby 2.5.8p224 (2020-03-31 revision 67882) [x64-mingw32]
• Backport: 2.6: REQUIRED, 2.7: REQUIRED, 3.0: DONTNEED

[Javalitterboy (bo gong)]

I get an error when compiling ruby from https://github.com/ruby/ruby

Environment

VS2015 x64 x86 compatible tool command prompt
ruby 2.5.0

E:\ruby>win32\configure.bat
Creating verconf.mk
Creating Makefile.new
"type `nmake' to make ruby."
E:\ruby>namke

Short description of error

Traceback (most recent call last):
        2: from ./tool/pure_parser.rb:25:in `<main>'
        1: from ./tool/pure_parser.rb:25:in `gets'
./tool/pure_parser.rb:25:in `gets': Can't do inplace edit without backup (fatal)
NMAKE : fatal error U1077: “C:\RUBY25~1\bin\ruby.exe”: 返回代码“0x1”

[nobu (Nobuyoshi Nakada)]

• Status changed from Open to Closed
• Backport changed from 2.6: UNKNOWN, 2.7: UNKNOWN, 3.0: UNKNOWN to 2.6: REQUIRED, 2.7: REQUIRED, 3.0: DONTNEED

Fixed by 05485868cbd1e7a59063d5b4be2ee2313ac9fa25.