From: Kerry Perez <lists@...>
Date: 2013-07-22T06:59:29+09:00
Subject: Re: SQLite3 Ruby 2.0 on Windows

Hi Scott,

I tried what you did, but when I do this part:

> C:\knapsack>gem install sqlite3 --platform=ruby --
> --with-opt-dir=C:/Knapsack

I still get this:

C:\knapsack>gem install sqlite3 --platform=ruby -- 
--with-opt-dir=C:/knapsack
Temporarily enhancing PATH to include DevKit...
Building native extensions with: '--with-opt-dir=C:/knapsack'
This could take a while...
ERROR:  Error installing sqlite3:
        ERROR: Failed to build gem native extension.

    C:/Ruby200/bin/ruby.exe extconf.rb --with-opt-dir=C:/knapsack
checking for sqlite3.h... *** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of necessary
libraries and/or headers.  Check the mkmf.log file for more details. 
You may
need configuration options.

Provided configuration options:
        --with-opt-dir
        --with-opt-include
        --without-opt-include=${opt-dir}/include
        --with-opt-lib
        --without-opt-lib=${opt-dir}/lib
        --with-make-prog
        --without-make-prog
        --srcdir=.
        --curdir
        --ruby=C:/Ruby200/bin/ruby
        --with-sqlite3-dir
        --without-sqlite3-dir
        --with-sqlite3-include
        --without-sqlite3-include=${sqlite3-dir}/include
        --with-sqlite3-lib
        --without-sqlite3-lib=${sqlite3-dir}/
        --enable-local
        --disable-local
C:/Ruby200/lib/ruby/2.0.0/mkmf.rb:430:in `try_do': The compiler failed 
to generate an executable file. (RuntimeError)
You have to install development tools first.
        from C:/Ruby200/lib/ruby/2.0.0/mkmf.rb:561:in `try_cpp'
        from C:/Ruby200/lib/ruby/2.0.0/mkmf.rb:1085:in `block in 
find_header'
        from C:/Ruby200/lib/ruby/2.0.0/mkmf.rb:891:in `block in 
checking_for'
        from C:/Ruby200/lib/ruby/2.0.0/mkmf.rb:336:in `block (2 levels) 
in postpone'
        from C:/Ruby200/lib/ruby/2.0.0/mkmf.rb:306:in `open'
        from C:/Ruby200/lib/ruby/2.0.0/mkmf.rb:336:in `block in 
postpone'
        from C:/Ruby200/lib/ruby/2.0.0/mkmf.rb:306:in `open'
        from C:/Ruby200/lib/ruby/2.0.0/mkmf.rb:332:in `postpone'
        from C:/Ruby200/lib/ruby/2.0.0/mkmf.rb:890:in `checking_for'
        from C:/Ruby200/lib/ruby/2.0.0/mkmf.rb:1084:in `find_header'
        from extconf.rb:34:in `<main>'


Gem files will remain installed in 
C:/Ruby200/lib/ruby/gems/2.0.0/gems/sqlite3-1.3.7 for inspection.
Results logged to 
C:/Ruby200/lib/ruby/gems/2.0.0/gems/sqlite3-1.3.7/ext/sqlite3/gem_make.out

and here is my mkmf.log file

"gcc -o conftest.exe
-I C:/Ruby200/include/ruby-2.0.0/i386-mingw32
-I C:/Ruby200/include/ruby-2.0.0/ruby/backward
-I C:/Ruby200/include/ruby-2.0.0 -I.
-I C:/knapsack/include -DFD_SETSIZE=2048 -D_WIN32_WINNT=0x0501 
-D_FILE_OFFSET_BITS=64   -O3 -fno-omit-frame-pointer -fno-fast-math -g 
-Wall -Wextra -Wno-unused-parameter -Wno-parentheses -Wno-long-long 
-Wno-missing-field-initializers -Wunused-variable -Wpointer-arith 
-Wwrite-strings -Wdeclaration-after-statement 
-Wimplicit-function-declaration conftest.c  -L.
-L C:/Ruby200/lib
-L C:/knapsack/lib -L.      -lmsvcrt-ruby200  -lshell32 -lws2_32 
-limagehlp -lshlwapi  "
checked program was:
/* begin */
1: #include "ruby.h"
2:
3: #include <winsock2.h>
4: #include <windows.h>
5: int main(int argc, char **argv)
6: {
7:   return 0;
8: }
/* end */

I'm using ruby 2.0.0p247 (2013-06-27) [i386-mingw32] and my devkit 
version is mingw64-32-4.7.2. Could you please help me with this? Thanks

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