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268 Commits

Author SHA1 Message Date
Amit D
b77009bd59
configure.ac: Update minimum required autoconf version to 2.69 
This version was released in April 2012.

It is supported by old Linux distros like RHEL/CentOS 7, SLES 12 and Ubuntu 14.04.
 2021-11-02 15:49:46 +02:00
Stefan Weil
104ef8f30e Move src/api/tesseractmain.cpp to src/tesseract.cpp 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-10-31 21:43:30 +01:00
Stefan Weil
8b6390846e Create new release 5.0.0-rc1 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-10-29 22:32:11 +02:00
Stefan Weil
676b86be4d Fix automake warning because of redefined DEFAULT_INCLUDES 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-10-28 22:14:06 +02:00
Stefan Weil
282685d531 Enable fast float32 LSTM by default 
It is still possible to build Tesseract with double LSTM:

    # autoconf
    ./configure --disable-float32

    # cmake
    cmake .. -DFAST_FLOAT=ON

Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-10-27 18:37:27 +02:00
Stefan Weil
571a8fe1d7 autotools: Use AM_LDFLAGS for framework Accelerate 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-10-06 07:40:54 +02:00
Stefan Weil
f9d17598a8 Make automake builds less noisy by default 
The old commit only silenced parts of the build,
while the new one silences the whole build.

Fixes: 47af1282f4
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-09-24 15:21:26 +02:00
Stefan Weil
75f167ac8c Create new pre-release 5.0.0-beta-20210916 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-09-16 06:35:29 +02:00
Stefan Weil
547164edae Create new pre-release 5.0.0-beta-20210815 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-08-15 17:07:11 +02:00
Stefan Weil
0d0f203509 Add new configure option --enable-float32 for faster LSTM with float 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-07-29 06:49:08 +02:00
Stefan Weil
3ab8dcbf72 Use Apple Accelerate framework for training and best models 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-07-20 19:27:54 +02:00
Stefan Weil
f0fb6809e3 Use SIMD instructions for DotProductNative 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-07-14 19:13:01 +02:00
Amit Dovev
8615f65cc4 Raise Minimum required Pango version to 1.38.0 2021-05-21 19:56:37 +03:00
Stefan Weil
bf3421ff12 Fix autoconf build for latest MacOS (Intel and M1) 
On latest MacOS 11.3 the system header file "ostream" includes a file
named "version".

The macro DEFAULT_INCLUDES adds the source root to the list of include
directories by default. As MacOS uses a case insensitive file system,
the compiler finds and includes the file "VERSION" there which causes
compiler errors and a failing build process.

Setting an empty DEFAULT_INCLUDES fixes that, but requires moving
config_auto.h to another directory in the include search path.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-05-13 17:22:58 +02:00
Stefan Weil
6c7df2acf3 Fix warning from autoconf 
autoconf reported this warning:

    configure.ac:263: warning: AC_CHECK_HEADERS("tensorflow/core/framework/graph.pb.h"): you should use literals

Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-05-13 12:57:20 +02:00
Uwe Hartwig
930c909db5 [doc][fix] typo libicu-devel 2021-04-30 13:01:32 +02:00
Stefan Weil
b7e8134dea Update URLs for Google groups 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-04-11 10:43:28 +02:00
Stefan Weil
bfe1616b4e Create new pre-release 5.0.0-alpha-20210401 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-04-01 21:41:15 +02:00
Stefan Weil
fc00834920 autobuild: Require C++17 
This completes commit 73a325494e.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-03-11 21:57:02 +01:00
Stefan Weil
58304cbfdd Don't compile OpenCL code when OpenCL is disabled 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-02-26 15:40:23 +01:00
Egor Pugin
b030b03e0d
Update configure.ac 2021-02-24 01:09:44 +03:00
Egor Pugin
90afdef30d
Merge pull request #3162 from xloem/android 
Specify ADD_RT for android platform, which embeds librt in libc
 2021-02-24 00:22:17 +03:00
Stefan Weil
b091b09b4f Fix default value for --enable-doc 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-02-13 10:05:42 +01:00
Stefan Weil
a20036622e Fix default value for --with-archive and --with-curl 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-02-11 23:15:35 +01:00
Stefan Weil
ddc36722b2 configure: Sort AC_ARG_WITH to get better help text 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-02-11 07:25:49 +01:00
Stefan Weil
974e396542 Add configure option --disable-doc (default: check) 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-02-11 07:16:54 +01:00
Stefan Weil
2ba3f69667 Add configure option --with-curl (check for libcurl by default) 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-02-10 22:56:51 +01:00
Stefan Weil
f1b9e326d0 Add configure option --with-archive (check for libarchive by default) 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-02-10 22:56:27 +01:00
Stefan Weil
971c6e6d6b automake: Flat build for unittest 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-01-24 18:21:37 +01:00
Stefan Weil
59305028e5 Remove unused conditional OSX 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-01-20 15:11:41 +01:00
Stefan Weil
e1b9f1b446 automake: Flat build for doc 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-01-11 21:58:45 +01:00
Stefan Weil
e1f1f325f7 Fix brew check for GitHub actions 
Don't abort if a brew catalog file is missing.

This is needed for the GitHub actions environment
which provides brew also for Linux.

Running cross builds then failed at AC_CHECK_FILE.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-01-06 14:01:06 +01:00
Stefan Weil
ca114ace38 Create new pre-release 5.0.0-alpha-20201231 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2020-12-31 19:45:10 +01:00
Stefan Weil
5ca4e0062d Create new pre-release 5.0.0-alpha-20201224 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2020-12-24 09:17:12 +01:00
Stefan Weil
d13e08bd85 Fix configure for flat training build without asciidoc 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2020-12-21 19:32:35 +01:00
Stefan Weil
57efa41d47
Add XML_CATALOG_FILES for MacOS with Homebrew (#3188) 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2020-12-21 16:39:32 +01:00
Stefan Weil
3efedabda3 automake: Flat build for src/training 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2020-12-19 15:25:21 +01:00
0xloem
fed6603a77 Specify ADD_RT for android platform, which embeds librt in libc 2020-11-28 14:39:46 -05:00
Stefan Weil
2db2223b39 Always use NEON by default for ARMv8 
Signed-off-by: Stefan Weil <stefan.weil@bib.uni-mannheim.de>
 2020-07-10 15:27:09 +02:00
Stefan Weil
bf39019d95 Remove obsolescent macro AC_HEADER_STDC 
See
https://www.gnu.org/software/autoconf/manual/autoconf-2.67/html_node/Particular-Headers.html.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2020-06-21 18:50:06 +02:00
Stefan Weil
27b254476f Remove obsolescent macro AC_HEADER_TIME 
See
https://www.gnu.org/software/autoconf/manual/autoconf-2.67/html_node/Particular-Headers.html.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2020-06-21 18:48:20 +02:00
Stefan Weil
0a63484644 Remove checks for unused types off_t, mbstate_t, _Bool 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2020-06-21 12:04:16 +02:00
Stefan Weil
958b90d785 Don't check for unused sys/wait.h 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2020-06-20 11:01:20 +02:00
Stefan Weil
a1aea84a27 Don't check for unused sys/shm.h and sys/ipc.h 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2020-06-20 10:59:54 +02:00
Stefan Weil
fd30c86674 Remove endianness test (WORDS_BIGENDIAN is unused) 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2020-06-20 10:47:00 +02:00
Stefan Weil
c1494fb710 Don't check for stdbool.h (only used in capi.h) 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2020-06-20 10:42:28 +02:00
Stefan Weil
d4cf77c92b Don't check for limits.h (now unused) 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2020-06-20 10:39:13 +02:00
Stefan Weil
a1d161326e Don't check for unused malloc.h 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2020-06-19 07:30:00 +02:00
Stefan Weil
ff0a7a38f7 Check compiler options depending on host cpu 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2020-05-27 06:52:36 +02:00
Robin Watts
f79e52a7cc NEON SIMD code. 
In tests on my pi3b+, a release build of my ghostscript integration
takes 2 minutes 27 seconds to render a PDF and OCR it with the
vanilla sources. With this NEON coded added the time drops to 37
seconds.

I have not tested the configure/Makefile changes as I'm not using
them.
 2020-05-20 18:54:42 +01:00