Issue #6049 has been reported by Heesob Park.

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Bug #6049: Build failure on enc/mktable.so with VC 2010Build failure on enc/mktable.so with VC 2010 
https://bugs.ruby-lang.org/issues/6049

Author: Heesob Park
Status: Open
Priority: Normal
Assignee: 
Category: 
Target version: 
ruby -v: ruby 2.0.0dev (2012-02-19) [i386-mswin32_100]


I got the following failure on Windows XP with VC 2010 while building trunk.

C:\work\snapshot>nmake

Microsoft (R) Program Maintenance Utility Version 10.00.30319.01
Copyright (C) Microsoft Corporation.  All rights reserved.

        CC = cl -nologo
        LD = cl -nologo
        LDSHARED = cl -nologo -LD
        CFLAGS = -MD -Zi -W2 -wd4996 -we4028 -we4142 -O2sy-  -Zm600
        XCFLAGS = -DRUBY_EXPORT -I. -I.ext/include/i386-mswin32_100 -I./include -I. -I./missing
        CPPFLAGS =
        DLDFLAGS = -incremental:no -debug -opt:ref -opt:icf -dll
        SOLIBS =
...
compiling ./enc/mktable.c
mktable.c
linking encoding mktable.so
mktable.def : error LNK2001: unresolved external symbol "Init_mktable"
enc/mktable.lib : fatal error LNK1120: 1 unresolved externals
NMAKE : fatal error U1077: '"F:\Program Files\Microsoft Visual Studio 10.0\VC\BIN\cl.EXE"' : return code '0x2' 
Stop.
NMAKE : fatal error U1077: '"F:\Program Files\Microsoft Visual Studio 10.0\VC\BIN\nmake.EXE"' : return code '0x2'
Stop.

If I run nmake again, the build succeeded without error.




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