Trying to install RMagick 2.11.0 was giving me the following error:
Updating rmagick
Building native extensions. This could take a while…
ERROR: While executing gem … (Gem::Installer::ExtensionBuildError)
ERROR: Failed to build gem native extension.
/usr/bin/ruby1.8 extconf.rb update
checking for Ruby version >= 1.8.5… yes
checking for cc… yes
checking for Magick-config… yes
checking for ImageMagick version >= 6.3.5… yes
checking for HDRI disabled version of ImageMagick… yes
checking for stdint.h… yes
checking for sys/types.h… yes
checking for wand/MagickWand.h… yes
checking for InitializeMagick() in -lMagickCore… no
checking for InitializeMagick() in -lMagick… no
Can’t install RMagick 2.11.0. Can’t find the ImageMagick library or
one of the dependent libraries. Check the mkmf.log file for more
detailed information.
*** 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=/usr/bin/ruby1.8
–with-MagickCorelib
–without-MagickCorelib
–with-Magicklib
–without-Magicklib
Gem files will remain installed in /var/lib/gems/1.8/gems/
rmagick-2.11.0 for inspection.
Results logged to /var/lib/gems/1.8/gems/rmagick-2.11.0/ext/RMagick/
gem_make.out
convert -version was:
Version: ImageMagick 6.5.4-2 2009-07-04 Q8 OpenMP
Copyright: Copyright (C) 1999-2009 ImageMagick Studio LLC
mkmf.log: http://pastebin.com/m776a3e36
Installing ImageMagick 6.5.5 fixes all this though. Was there a typo
in the required ImageMagick version for the build script?