# One Click Installer-Mingw-Swiftiply Problem **URL:** \ **Category:** Ruby\ **Created:** [March 15, 2009, 4:15am UTC](https://www.ruby-forum.com/t/one-click-installer-mingw-swiftiply-problem/162887 "2009-03-15T04:15:27Z")\ **Posts on this page:** 2\ **Page:** 1
**Author:** ![paulf](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/p/eb9ed0/32.png) [@paulf](https://www.ruby-forum.com/u/paulf)\ **Post date:** [March 15, 2009, 4:15am UTC](https://www.ruby-forum.com/t/one-click-installer-mingw-swiftiply-problem/162887/1 "2009-03-15T04:15:27Z")
The windows extension compile situation seems to be a mess! Luis L. & Fabio Akita have downloads available using mingw compiles to address the problem. I have tried Fabios complete mingw dev kit and had this problem with swiftiply. Apart from the missing ssleay, any clues as to a solution? C:/Ruby18/bin/ruby.exe extconf.rb install swiftiply checking for windows.h… yes checking for winsock.h… yes checking for main() in -lkernel32… yes checking for main() in -lrpcrt4… yes checking for main() in -lgdi32… yes checking for main() in -lssleay32… no creating Makefile make g++ -I. -I. -IC:/Ruby18/lib/ruby/1.8/i386-mingw32 -I. -DHAVE\_WINDOWS\_H -DHAVE\_WINSOCK\_H -D OS\_WIN3 2 -D BUILD\_FOR\_RUBY -EHs -GR -D WITHOUT\_SSL -g -O2 -c mapper.cpp mapper.cpp: In member function `void Mapper_t::Close()': mapper.cpp:175: error: invalid conversion from`const void\*’ to `void*' mapper.cpp:175: error: initializing argument 1 of`BOOL UnmapViewOfFile(void\*)’ g++.exe: unrecognized option `-EHs' g++.exe: unrecognized option`-GR’ make: \*\*\* [mapper.o] Error 1 Gem files will remain installed in C:/Users/paulAdmin/dev/gems/gems/swiftiply-0.6.1.1 for inspection . Results logged to C:/Users/paulAdmin/dev/gems/gems/swiftiply-0.6.1.1/ext/fastfilereader/gem\_make.out Thanks Paul F. ---
**Author:** ![paulf](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/p/eb9ed0/32.png) [@paulf](https://www.ruby-forum.com/u/paulf)\ **Post date:** [May 9, 2009, 11:37pm UTC](https://www.ruby-forum.com/t/one-click-installer-mingw-swiftiply-problem/162887/2 "2009-05-09T23:37:12Z")
> 2 -D BUILD\_FOR\_RUBY -EHs -GR -D WITHOUT\_SSL -g -O2 -c mapper.cpp > mapper.cpp: In member function `void Mapper_t::Close()': mapper.cpp:175: error: invalid conversion from`const void\*’ to `void*' mapper.cpp:175: error: initializing argument 1 of`BOOL > UnmapViewOfFile(void\*)’ > g++.exe: unrecognized option `-EHs' g++.exe: unrecognized option`-GR’ > make: \*\*\* [mapper.o] Error 1 It was a “mingw doesnt like that” bug – should be fixed with the latest eventmachine release. -=r