gem rmagick don't work BitNami RubyStack Stack 1.9.3-0

gem install rmagick don't work.

    ERROR:  Error installing rmagick:
    ERROR: Failed to build gem native extension.

        /home/sergey/rubystack/ruby/bin/ruby extconf.rb
checking for Ruby version >= 1.8.5... yes
checking for gcc... yes
checking for Magick-config... yes

Warning: Found more than one ImageMagick installation. This could cause problems at runtime.
         /home/sergey/rubystack/common/bin/Magick-config reports version 6.7.5 Q16 is installed in /home/sergey/rubystack/common
         /usr/bin/Magick-config reports version 6.6.9 Q16 is installed in /usr
Using 6.7.5 Q16 from /home/sergey/rubystack/common.

checking for ImageMagick version >= 6.4.9... yes
checking for HDRI disabled version of ImageMagick... yes
Package MagickCore was not found in the pkg-config search path.
Perhaps you should add the directory containing `MagickCore.pc'
to the PKG_CONFIG_PATH environment variable
No package 'MagickCore' found
Package MagickCore was not found in the pkg-config search path.
Perhaps you should add the directory containing `MagickCore.pc'
to the PKG_CONFIG_PATH environment variable
No package 'MagickCore' found
Package MagickCore was not found in the pkg-config search path.
Perhaps you should add the directory containing `MagickCore.pc'
to the PKG_CONFIG_PATH environment variable
No package 'MagickCore' found
Package MagickCore was not found in the pkg-config search path.
Perhaps you should add the directory containing `MagickCore.pc'
to the PKG_CONFIG_PATH environment variable
No package 'MagickCore' found
checking for stdint.h... yes
checking for sys/types.h... yes
checking for wand/MagickWand.h... no

Can't install RMagick 2.13.2. Can't find MagickWand.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
    --without-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=/home/sergey/rubystack/ruby/bin/ruby

Gem files will remain installed in /home/sergey/rubystack/ruby/lib/ruby/gems/1.9.1/gems/rmagick-2.13.2 for inspection.
Results logged to /home/sergey/rubystack/ruby/lib/ruby/gems/1.9.1/gems/rmagick-2.13.2/ext/RMagick/gem_make.out

I try to do

# . /home/sergey/rubystack/scripts/setenv.sh
# export LDFLAGS="-L/home/sergey/rubystack/common/lib"
# export CFLAGS="-I/home/sergey/rubystack/common/lib/ImageMagick"
# gem install rmagick

But it also don't help me.