Simplify tesseract build

Fix broken autoconf invocation

Use a trained data tarbal containing the correct datarootdir structure and the English data.

component/tesseract/buildout.cfg

@@ -5,12 +5,9 @@ extends =
   ../leptonica/buildout.cfg
 
 parts =
-  tesseract-eng-traineddata-unzip
   tesseract
 
 [tesseract-share]
-# XXX: tesseract seems not easy configurable on runtime about where to find
-# its trained data, so just move out its datadir to own controlled location
 recipe = plone.recipe.command
 location = ${buildout:parts-directory}/${:_buildout_section_name_}
 command = mkdir -p ${:location} && mkdir -p ${:location}/tessdata
@@ -39,9 +36,10 @@ configure-command =
   libtoolize --automake
   autoheader -f
   automake -c -a -f
-  autoconf -c -Wno-portability
-  autoreconf -i
-  ./configure --prefix=${buildout:parts-directory}/${:_buildout_section_name_} --disable-static --datarootdir=${tesseract-share:location}
+  autoconf -Wno-portability
+  ./configure --prefix=${buildout:parts-directory}/${:_buildout_section_name_} --disable-static --datarootdir=${tesseract-eng-traineddata:location}
+# XXX: tesseract seems not easily configurable at runtime about where to find
+# its trained data, so we set its datarootdir above to a controlled location
 
 # tesseract has a non-standard way of testing for leptonica, hence the
 # LIBLEPT_HEADERSDIR entry below:
@@ -54,13 +52,6 @@ environment =
 
 [tesseract-eng-traineddata]
 recipe = hexagonit.recipe.download
-download-only = true
-url = http://tesseract-ocr.googlecode.com/files/eng.traineddata.gz
-md5sum = d91041ad156cf2db36664e91ef799451
-
-[tesseract-eng-traineddata-unzip]
-location = ${buildout:parts-directory}/${:_buildout_section_name_}
-recipe = plone.recipe.command
-command = gunzip ${tesseract-eng-traineddata:location}/eng.traineddata.gz -c > ${tesseract-share:location}/tessdata/eng.traineddata
-update-command = ${:command}
-stop-on-error = yes
+strip-top-level-dir = true
+url = http://tesseract-ocr.googlecode.com/files/tesseract-ocr-3.01.eng.tar.gz
+md5sum = 89c139a73e0e7b1225809fc7b226b6c9