WIth Ruby 187, I had downloaded devkit from http://rubyinstaller.org/downloads and followed the instruction per https://github.com/oneclick/rubyinstaller/wiki/Development-Kit. I had also ensured that devkit is installed properly by following smoke test.
I had then tried installing bluecloth (v2.0.10). It had failed with following error:
C:\test\typo>gem install bluecloth --platform=ruby
Temporarily enhancing PATH to include DevKit...
Building native extensions. This could take a while...
ERROR: Error installing bluecloth:
ERROR: Failed to build gem native extension.
c:/Ruby187/bin/ruby.exe extconf.rb
checking for srand()... yes
checking for random()... no
checking for rand()... yes
checking for bzero() in string.h,strings.h... no
checking for strcasecmp()... yes
checking for strncasecmp()... yes
checking for mkdio.h... yes
checking for ruby/encoding.h... no
creating extconf.h
creating Makefile
make
gcc -I. -I. -Ic:/Ruby187/lib/ruby/1.8/i386-mingw32 -I. -
DRUBY_EXTCONF_H=\"extcon
f.h\" -DVERSION=\"2.0.4\" -g -O2 -DFD_SETSIZE=256 -I. -Wall -c
bluecloth.c
In file included from c:\rubydevkit\mingw\bin\../lib/gcc/
mingw32/4.5.1/../../../../include/windows.h:48:0,
from c:\rubydevkit\mingw\bin\../lib/gcc/
mingw32/4.5.1/../../../../include/winsock2.h:22,
from c:/Ruby187/lib/ruby/1.8/i386-mingw32/win32/
win32.h:27,
from c:/Ruby187/lib/ruby/1.8/i386-mingw32/defines.h:
186,
from c:/Ruby187/lib/ruby/1.8/i386-mingw32/ruby.h:37,
from bluecloth.h:14,
from bluecloth.c:25:
c:\rubydevkit\mingw\bin\../lib/gcc/mingw32/4.5.1/../../../../include/
windef.h:229:23: error: duplicate 'unsigned'
c:\rubydevkit\mingw\bin\../lib/gcc/mingw32/4.5.1/../../../../include/
windef.h:238:23: error: duplicate 'unsigned'
c:\rubydevkit\mingw\bin\../lib/gcc/mingw32/4.5.1/../../../../include/
windef.h:238:23: error: two or more data types in declaration
specifiers
c:\rubydevkit\mingw\bin\../lib/gcc/mingw32/4.5.1/../../../../include/
windef.h:241:24: error: duplicate 'unsigned'
bluecloth.c: In function 'bluecloth_initialize':
bluecloth.c:190:9: warning: unused variable 'utf8text'
make: *** [bluecloth.o] Error 1
Gem files will remain installed in c:/Ruby187/lib/ruby/gems/1.8/gems/
bluecloth-2.0.10 for inspection.
Results logged to c:/Ruby187/lib/ruby/gems/1.8/gems/bluecloth-2.0.10/
ext/gem_make.out
C:\test\typo>
gem install bluecloth -v 2.0.7
) – Welton