Import Ghostscript 9.54ghostscript-9.54

Signed-off-by: Thomas Deutschmann <whissi@gentoo.org>

1 files changed, 67 insertions, 0 deletions

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+# autotools (LINUX/UNIX , msys...)
+
+If you have cloned Tesseract from GitHub, you must generate
+the configure script.
+
+If you have tesseract 4.0x installation in your system, please remove it
+before new build.
+
+You need Leptonica 1.74.2 (minimum) for Tesseract 4.0x.
+
+Known dependencies for training tools (excluding leptonica):
+ * compiler with c++11 support
+ * automake
+ * pkg-config
+ * pango-devel
+ * cairo-devel
+ * icu-devel
+
+So, the steps for making Tesseract are:
+
+    $ ./autogen.sh
+    $ ./configure
+    $ make
+    $ sudo make install
+    $ sudo ldconfig
+    $ make training
+    $ sudo make training-install
+
+You need to install at least English language and OSD traineddata files to
+`TESSDATA_PREFIX` directory.
+
+You can retrieve single file with tools like [wget](https://www.gnu.org/software/wget/), [curl](https://curl.haxx.se/), [GithubDownloader](https://github.com/intezer/GithubDownloader) or browser.
+
+All language data files can be retrieved from git repository (useful only for packagers!).
+(Repository is huge - more that 1.2 GB. You do NOT need to download traineddata files for
+all languages).
+
+    $ git clone https://github.com/tesseract-ocr/tessdata.git tesseract-ocr.tessdata
+
+
+You need an Internet connection and [curl](https://curl.haxx.se/) to compile `ScrollView.jar`
+because the build will automatically download
+[piccolo2d-core-3.0.1.jar](https://search.maven.org/remotecontent?filepath=org/piccolo2d/piccolo2d-core/3.0.1/piccolo2d-core-3.0.1.jar) and
+[piccolo2d-extras-3.0.1.jar](https://search.maven.org/remotecontent?filepath=org/piccolo2d/piccolo2d-extras/3.0.1/piccolo2d-extras-3.0.1.jar) and
+[jaxb-api-2.3.1.jar](http://search.maven.org/remotecontent?filepath=javax/xml/bind/jaxb-api/2.3.1/jaxb-api-2.3.1.jar) and place them to `tesseract/java`.
+
+Just run:
+
+    $ make ScrollView.jar
+
+and follow the instruction on [Viewer Debugging](https://tesseract-ocr.github.io/tessdoc/ViewerDebugging.html).
+
+
+# CMAKE
+
+There is alternative build system based on multiplatform [cmake](https://cmake.org/)
+
+## LINUX
+
+    $ mkdir build
+    $ cd build && cmake .. && make
+    $ sudo make install
+
+
+## WINDOWS
+
+See the [documentation](https://tesseract-ocr.github.io/tessdoc/) for more information on this.