Total noob here, but can't figure out how to get past this error. I'm hoping to install and run the 'tesseract' gem on my Linux server running Centos 6. The upshot seems to be that -ltesseract should be in /usr/bin/ld, but isn't ...
I've read through the other tesseract / Ruby issues posted, but I don't think I have any of those problems.
Any help is much appreciated.
Error message
g++ -shared -fPIC -o /tmp/.ffi-inline-0/3751549a49315e9a7703c6e20a39e587297ce8a8.so /tmp/.ffi-inline-0/3751549a49315e9a7703c6e20a39e587297ce8a8.cpp -ltesseract 2>>/tmp/.ffi-inline-0/3751549a49315e9a7703c6e20a39e587297ce8a8.log
/usr/bin/ld: cannot find -ltesseract
collect2: ld returned 1 exit status
Error in action
[x@y ~]# irb
1.9.3-p327 :001 > require 'tesseract'
CompilationError: compile error: see logs at /tmp/.ffi-inline-0/3751549a49315e9a7703c6e20a39e587297ce8a8.log
from /usr/local/rvm/gems/ruby-1.9.3-p327/gems/ffi-inline-0.0.4.2/lib/ffi/inline/compilers/gcc.rb:31:in `compile'
from /usr/local/rvm/gems/ruby-1.9.3-p327/gems/ffi-inline-0.0.4.2/lib/ffi/inline/builders/c.rb:114:in `shared_object'
from /usr/local/rvm/gems/ruby-1.9.3-p327/gems/ffi-inline-0.0.4.2/lib/ffi/inline/builders.rb:90:in `block in build'
from /usr/local/rvm/gems/ruby-1.9.3-p327/gems/ffi-inline-0.0.4.2/lib/ffi/inline/builders.rb:87:in `instance_eval'
from /usr/local/rvm/gems/ruby-1.9.3-p327/gems/ffi-inline-0.0.4.2/lib/ffi/inline/builders.rb:87:in `build'
from /usr/local/rvm/gems/ruby-1.9.3-p327/gems/ffi-inline-0.0.4.2/lib/ffi/inline/inline.rb:54:in `singleton_inline'
from /usr/local/rvm/gems/ruby-1.9.3-p327/gems/ffi-inline-0.0.4.2/lib/ffi/inline/inline.rb:39:in `inline'
from /usr/local/rvm/gems/ruby-1.9.3-p327/gems/tesseract-ocr-0.1.5/lib/tesseract/c.rb:34:in `<module:C>'
from /usr/local/rvm/gems/ruby-1.9.3-p327/gems/tesseract-ocr-0.1.5/lib/tesseract/c.rb:31:in `<module:Tesseract>'
from /usr/local/rvm/gems/ruby-1.9.3-p327/gems/tesseract-ocr-0.1.5/lib/tesseract/c.rb:29:in `<top (required)>'
from /usr/local/rvm/rubies/ruby-1.9.3-p327/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
from /usr/local/rvm/rubies/ruby-1.9.3-p327/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
from /usr/local/rvm/gems/ruby-1.9.3-p327/gems/tesseract-ocr-0.1.5/lib/tesseract/api.rb:26:in `<top (required)>'
from /usr/local/rvm/rubies/ruby-1.9.3-p327/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
from /usr/local/rvm/rubies/ruby-1.9.3-p327/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
from /usr/local/rvm/gems/ruby-1.9.3-p327/gems/tesseract-ocr-0.1.5/lib/tesseract-ocr.rb:35:in `<top (required)>'
from /usr/local/rvm/rubies/ruby-1.9.3-p327/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
from /usr/local/rvm/rubies/ruby-1.9.3-p327/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
from /usr/local/rvm/gems/ruby-1.9.3-p327/gems/tesseract-ocr-0.1.5/lib/tesseract.rb:25:in `<top (required)>'
from /usr/local/rvm/rubies/ruby-1.9.3-p327/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:60:in `require'
from /usr/local/rvm/rubies/ruby-1.9.3-p327/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:60:in `rescue in require'
from /usr/local/rvm/rubies/ruby-1.9.3-p327/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:35:in `require'
from (irb):1
from /usr/local/rvm/rubies/ruby-1.9.3-p327/bin/irb:13:in `<main>'1.9.3-p327
Gem version
[x@y ~]# gem list
[...]
tesseract-ocr (0.1.5)
[...]
GCC version
[x@y ~]# gcc --version
gcc (GCC) 4.4.6 20120305 (Red Hat 4.4.6-4)
[...]
OS
[x@y ~]# cat /etc/*release*
CentOS release 6.3 (Final)
Ruby version
[x@y ~]# ruby -v
ruby 1.9.3p327 (2012-11-10 revision 37606) [x86_64-linux]
RVM Version (just in case it matters)
[x@y ~]# rvm -v
rvm 1.17.2 (stable) by Wayne E. Seguin <wayneeseguin@gmail.com>, Michal Papis <mpapis@gmail.com> [https://rvm.io/]
Try to install a tesseract package in your system. I assume so yum install tesseract
The technical post webpages of this site follow the CC BY-SA 4.0 protocol. If you need to reprint, please indicate the site URL or the original address.Any question please contact:yoyou2525@163.com.