tesseract/configure.ac
Stefan Weil 3867584401 Remove most libtiff dependencies
libtiff is no longer needed for OpenCL, so remove that dependency.

It is still suggested for Windows to redirect warning messages
from the tesseract executable to the console.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
2017-05-12 10:29:53 +02:00

561 lines
16 KiB
Plaintext

# -*-Shell-script-*-
#
# Copyright (c) Luc Vincent
# ----------------------------------------
# Initialization
# ----------------------------------------
AC_PREREQ([2.59])
AC_INIT([tesseract], [3.05.00], [https://github.com/tesseract-ocr/tesseract/issues])
AC_PROG_CXX([g++ clang++])
AC_LANG([C++])
AC_LANG_COMPILER_REQUIRE
CXXFLAGS=${CXXFLAGS:-""}
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_AUX_DIR([config])
AC_CONFIG_SRCDIR([api/tesseractmain.cpp])
AC_PREFIX_DEFAULT([/usr/local])
# Define date of package, etc. Could be useful in auto-generated
# documentation.
PACKAGE_YEAR=2017
PACKAGE_DATE="02/16"
abs_top_srcdir=`AS_DIRNAME([$0])`
gitrev="`git --git-dir=${abs_top_srcdir}/.git --work-tree=${abs_top_srcdir} describe --always --tags`"
if test -n "${gitrev}" ; then
AC_REVISION(["${gitrev}"])
AC_DEFINE_UNQUOTED([GIT_REV], ["${gitrev}"], [Define to be the git revision])
echo "Using git revision: ${gitrev}"
fi
AC_DEFINE_UNQUOTED([PACKAGE_NAME], ["${PACKAGE_NAME}"], [Name of package])
AC_DEFINE_UNQUOTED([PACKAGE_VERSION], ["${PACKAGE_VERSION}"], [Version number])
AC_DEFINE_UNQUOTED([PACKAGE_YEAR], ["$PACKAGE_YEAR"], [Official year for this release])
AC_DEFINE_UNQUOTED([PACKAGE_DATE], ["$PACKAGE_DATE"], [Official date of release])
AC_SUBST([PACKAGE_NAME])
AC_SUBST([PACKAGE_VERSION])
AC_SUBST([PACKAGE_YEAR])
AC_SUBST([PACKAGE_DATE])
GENERIC_LIBRARY_NAME=tesseract
# Release versioning
GENERIC_MAJOR_VERSION=3
GENERIC_MINOR_VERSION=5
GENERIC_MICRO_VERSION=0
# API version (often = GENERIC_MAJOR_VERSION.GENERIC_MINOR_VERSION)
GENERIC_API_VERSION=$GENERIC_MAJOR_VERSION.$GENERIC_MINOR_VERSION
GENERIC_LIBRARY_VERSION=$GENERIC_MAJOR_VERSION:$GENERIC_MINOR_VERSION
AC_SUBST([GENERIC_API_VERSION])
AC_SUBST([GENERIC_MAJOR_VERSION])
AC_SUBST([GENERIC_LIBRARY_VERSION])
PACKAGE=$GENERIC_LIBRARY_NAME
AC_SUBST([GENERIC_LIBRARY_NAME])
GENERIC_VERSION=$GENERIC_MAJOR_VERSION.$GENERIC_MINOR_VERSION.$GENERIC_MICRO_VERSION
GENERIC_RELEASE=$GENERIC_MAJOR_VERSION.$GENERIC_MINOR_VERSION
AC_SUBST([GENERIC_RELEASE])
AC_SUBST([GENERIC_VERSION])
# ----------------------------------------
# Automake configuration
# ----------------------------------------
# Do not require README file (we use README.md)
AM_INIT_AUTOMAKE([foreign])
AC_CONFIG_HEADERS([config_auto.h:config/config.h.in])
AM_MAINTAINER_MODE
# default conditional
AM_CONDITIONAL([T_WIN], false)
AM_CONDITIONAL([MINGW], false)
AM_CONDITIONAL([OSX], false)
AM_CONDITIONAL([GRAPHICS_DISABLED], false)
AC_SUBST([AM_CPPFLAGS])
OPENCL_INC="/opt/AMDAPP/include"
OPENCL_LIBS="-lOpenCL"
#############################
#
# Platform specific setup
#
#############################
AC_CANONICAL_HOST
case "${host_os}" in
mingw*)
AC_DEFINE_UNQUOTED([MINGW], 1, [This is a MinGW system])
AM_CONDITIONAL([T_WIN], true)
AM_CONDITIONAL([MINGW], true)
AM_CONDITIONAL([ADD_RT], false)
AC_SUBST([AM_LDFLAGS], ['-Wl,-no-undefined -Wl,--as-needed'])
;;
cygwin*)
AM_CONDITIONAL([ADD_RT], false)
AC_SUBST([AM_LDFLAGS], ['-Wl,-no-undefined -Wl,--as-needed'])
;;
solaris*)
LIBS="-lsocket -lnsl -lrt -lxnet"
AM_CONDITIONAL([ADD_RT], true)
;;
*darwin*)
OPENCL_LIBS=""
OPENCL_INC=""
AM_CONDITIONAL([ADD_RT], false)
;;
powerpc-*-darwin*)
OPENCL_LIBS=""
;;
*)
# default
AM_CONDITIONAL([ADD_RT], true)
;;
esac
includedir="${includedir}/tesseract"
AC_ARG_WITH([extra-includes],
[AS_HELP_STRING([--with-extra-includes=DIR],
[Define an additional directory for include files])],
[if test -d "$withval" ; then
CFLAGS="$CFLAGS -I$withval"
else
AC_MSG_ERROR([Cannot stat directory $withval])
fi])
AC_ARG_WITH([extra-libraries],
[AS_HELP_STRING([--with-extra-libraries=DIR],
[Define an additional directory for library files])],
[if test -d "$withval" ; then
LDFLAGS="$LDFLAGS -L$withval"
else
AC_MSG_ERROR([Cannot stat directory $withval])
fi])
AC_MSG_CHECKING([--enable-graphics argument])
AC_ARG_ENABLE([graphics],
[AS_HELP_STRING([--enable-graphics],[enable graphics (ScrollView) (default)])
AS_HELP_STRING([--disable-graphics],[disable graphics (ScrollView)])],
[enable_graphics=$enableval],
[enable_graphics="yes"])
AC_MSG_RESULT([$enable_graphics])
if test "$enable_graphics" = "no"; then
AC_DEFINE([GRAPHICS_DISABLED], [], [Disable graphics])
AM_CONDITIONAL([GRAPHICS_DISABLED], true)
fi
# Check if cube should be disabled
AC_MSG_CHECKING([whether to disable cube])
AC_ARG_ENABLE([cube],
[AS_HELP_STRING([--disable-cube], [don't build cube support (experimental)])],
[disable_cube="yes"], [disable_cube="no"])
AC_MSG_RESULT([$disable_cube])
AM_CONDITIONAL([NO_CUBE_BUILD], [test "$disable_cube" = "yes"])
if test "$disable_cube" = "yes"; then
AM_CPPFLAGS="-DNO_CUBE_BUILD $AM_CPPFLAGS"
fi
# check whether to build embedded version
AC_MSG_CHECKING([--enable-embedded argument])
AC_ARG_ENABLE([embedded],
[ --enable-embedded enable embedded build (default=no)],
[enable_embedded=$enableval],
[enable_embedded="no"])
AC_MSG_RESULT([$enable_embedded])
AM_CONDITIONAL([EMBEDDED], [test "$enable_embedded" = "yes"])
if test "$enable_embedded" = "yes"; then
AM_CPPFLAGS="-DEMBEDDED $AM_CPPFLAGS"
fi
# check whether to build opencl version
AC_MSG_CHECKING([--enable-opencl argument])
AC_ARG_ENABLE([opencl],
[ --enable-opencl enable opencl build (default=no)],
[enable_opencl=$enableval],
[enable_opencl="no"])
AC_MSG_RESULT([$enable_opencl])
# check for opencl header
have_opencl=false
AC_CHECK_HEADERS([CL/cl.h], [have_opencl=true], [
AC_CHECK_HEADERS(OpenCL/cl.h, have_opencl=true, have_opencl=false)
])
have_tiff=false
AC_CHECK_HEADERS([tiffio.h], [have_tiff=true], [have_tiff=false])
# https://lists.apple.com/archives/unix-porting/2009/Jan/msg00026.html
m4_define([MY_CHECK_FRAMEWORK],
[AC_CACHE_CHECK([if -framework $1 works],[my_cv_framework_$1],
[save_LIBS="$LIBS"
LIBS="$LIBS -framework $1"
AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])],
[my_cv_framework_$1=yes],
[my_cv_framework_$1=no])
LIBS="$save_LIBS"
])
if test "$my_cv_framework_$1"="yes"; then
AC_DEFINE(AS_TR_CPP([HAVE_FRAMEWORK_$1]), 1,
[Define if you have the $1 framework])
AS_TR_CPP([FRAMEWORK_$1])="-framework $1"
AC_SUBST(AS_TR_CPP([FRAMEWORK_$1]))
fi]
)
have_opencl_lib=false
OPENCL_CPPFLAGS=''
OPENCL_LDFLAGS=''
case "${host_os}" in
*darwin* | *-macos10*)
echo "checking for OpenCL framework"
MY_CHECK_FRAMEWORK([OpenCL])
if test $my_cv_framework_OpenCL = yes; then
have_opencl_lib=true
fi
if test "$enable_opencl" = "yes"; then
if !($have_opencl_lib); then
AC_MSG_ERROR([Required OpenCL library not found!])
fi
AM_CPPFLAGS="-DUSE_OPENCL $AM_CPPFLAGS"
OPENCL_CPPFLAGS=""
OPENCL_LDFLAGS="-framework OpenCL"
fi
;;
*)
# default
AC_CHECK_LIB([OpenCL], [clGetPlatformIDs],
[have_opencl_lib=true], [have_opencl_lib=false])
if test "$enable_opencl" = "yes"; then
if !($have_opencl); then
AC_MSG_ERROR([Required OpenCL headers not found!])
fi
if !($have_opencl_lib); then
AC_MSG_ERROR([Required OpenCL library not found!])
fi
AM_CPPFLAGS="-DUSE_OPENCL $AM_CPPFLAGS"
OPENCL_CPPFLAGS="-I${OPENCL_INC}"
OPENCL_LDFLAGS="${OPENCL_LIBS}"
fi
;;
esac
AM_CONDITIONAL([USE_OPENCL], [test "$enable_opencl" = "yes"])
AC_SUBST([OPENCL_CPPFLAGS])
AC_SUBST([OPENCL_LDFLAGS])
# check whether to build tesseract with -fvisibility=hidden -fvisibility-inlines-hidden
# http://gcc.gnu.org/wiki/Visibility
# http://groups.google.com/group/tesseract-dev/browse_thread/thread/976645ae98189127
AC_MSG_CHECKING([--enable-visibility argument])
AC_ARG_ENABLE([visibility],
[AS_HELP_STRING([--enable-visibility],[enable experimental build with fvisibility (default=no)])],
[enable_visibility=$enableval],
[enable_visibility="no"])
AC_MSG_RESULT([$enable_visibility])
AM_CONDITIONAL([VISIBILITY], [test "$enable_visibility" = "yes"])
# check whether to build multiple libraries
AC_MSG_CHECKING([--enable-multiple-libraries argument])
AC_ARG_ENABLE([multiple-libraries],
[AS_HELP_STRING([--enable-multiple-libraries],[enable multiple libraries (default=no)])],
[enable_mlibs=$enableval],
[enable_mlibs="no"])
AC_MSG_RESULT([$enable_mlibs])
AM_CONDITIONAL([USING_MULTIPLELIBS], [test "$enable_mlibs" = "yes"])
# Check if tessdata-prefix is disabled
AC_MSG_CHECKING([whether to use tessdata-prefix])
AC_ARG_ENABLE([tessdata-prefix],
[AS_HELP_STRING([--disable-tessdata-prefix],
[don't set TESSDATA-PREFIX during compile])],
[tessdata_prefix="no"], [tessdata_prefix="yes"])
AC_MSG_RESULT([$tessdata_prefix])
AM_CONDITIONAL([NO_TESSDATA_PREFIX], [test "$tessdata_prefix" = "no"])
# Check whether enable debuging
AC_MSG_CHECKING([whether to enable debugging])
AC_ARG_ENABLE([debug],
[AS_HELP_STRING([--enable-debug],
[turn on debugging (default=no)])],
[debug=$enableval],
[debug="no"])
AC_MSG_RESULT([$debug])
if test x"$debug" = x"yes"; then
AM_CXXFLAGS="$AM_CXXFLAGS -g -Wall -O0 -DDEBUG"
AM_CPPFLAGS="$AM_CPPFLAGS -g -Wall -O0 -DDEBUG"
else
AM_CXXFLAGS="$AM_CXXFLAGS -O2 -DNDEBUG"
AM_CPPFLAGS="$AM_CPPFLAGS -O2 -DNDEBUG"
fi
#localedir='${prefix}/share/locale'
# Always look into a "gnu" directory.
curwd=`pwd`
if test -d $curwd/gnu/include ; then
CPPFLAGS="$CPPFLAGS -I$curwd/gnu/include"
fi
if test -d $curwd/gnu/lib ; then
LDFLAGS="$LDFLAGS -L$curwd/gnu/lib"
fi
# ----------------------------------------
# Check Compiler Characteristics and
# configure automake. The two appear to
# be intimately linked...
# ----------------------------------------
AC_PROG_LIBTOOL
# ----------------------------------------
# Additional checking of compiler characteristics
# ----------------------------------------
# Check Endianness. If Big Endian, this will define WORDS_BIGENDIAN
# See also at end of this file, where we define INTEL_BYTE_ORDER
# or MOTOROLA_BYTE_ORDER.
AC_C_BIGENDIAN
# ----------------------------------------
# Check for programs we need
# ----------------------------------------
# Check where all the following programs are and set
# variables accordingly:
LT_INIT
# ----------------------------------------
# C++ related options
# ----------------------------------------
AC_LANG_CPLUSPLUS
AC_MSG_CHECKING([if compiling with clang])
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([], [[
#ifndef __clang__
not clang
#endif
]])],
[CLANG=yes], [CLANG=no])
AC_MSG_RESULT([$CLANG])
dnl ********************
dnl turn on c++11
dnl ********************
OLD_CXXFLAGS=$CXXFLAGS
AC_MSG_CHECKING([whether compiler supports C++11])
CXXFLAGS="$CXXFLAGS -std=c++11"
snprintfworks=no
AC_COMPILE_IFELSE(
[
AC_LANG_SOURCE([[
#if (__cplusplus < 201103L)
#error C++ 11 is unsupported
#endif
]])
], [
AC_MSG_RESULT(yes)
has_cpp11=yes
],
[
AC_MSG_RESULT(no)
has_cpp11=no
])
AC_CHECK_FUNCS([snprintf],, [snprintfworks=yes])
CXXFLAGS="$OLD_CXXFLAGS"
# ----------------------------------------
# Check for libraries
# ----------------------------------------
AC_SEARCH_LIBS([sem_init], [pthread rt])
# ----------------------------------------
# Checks for header files.
# ----------------------------------------
AC_HEADER_STDC
AC_HEADER_TIME
AC_HEADER_SYS_WAIT
AC_CHECK_HEADERS([sys/ipc.h sys/shm.h])
AC_CHECK_HEADERS([limits.h malloc.h])
# Enable use of system-defined bool type if available:
AC_HEADER_STDBOOL
# Misc
AC_SYS_INTERPRETER
AC_SYS_LARGEFILE
AC_CHECK_FUNCS([getline])
# ----------------------------------------
# Checks for typedefs, structures, and compiler characteristics.
# ----------------------------------------
AC_CHECK_TYPES([wchar_t],,, [#include "wchar.h"])
AC_CHECK_TYPES([long long int])
AC_CHECK_TYPES([off_t],,, [#include "sys/types.h"])
AC_CHECK_TYPES([mbstate_t],,, [#include "wchar.h"])
# ----------------------------------------
# Test auxiliary packages
# ----------------------------------------
PKG_CHECK_MODULES([LEPTONICA], [lept >= 1.74], [have_lept=true], [have_lept=false])
if $have_lept; then
CPPFLAGS="$CPPFLAGS $LEPTONICA_CFLAGS"
else
AC_MSG_ERROR([Leptonica 1.74 or higher is required. Try to install libleptonica-dev package.])
fi
AM_CONDITIONAL([ENABLE_TRAINING], true)
# Check location of icu headers
PKG_CHECK_MODULES([ICU_UC], [icu-uc], [have_icu_uc=true], [have_icu_uc=false])
PKG_CHECK_MODULES([ICU_I18N], [icu-i18n], [have_icu_i18n=true], [have_icu_i18n=false])
if !($have_icu_uc && $have_icu_i18n); then
AC_CHECK_HEADERS([unicode/uchar.h], [have_icu=true], [have_icu=false])
if !($have_icu); then
AC_MSG_WARN([Training tools WILL NOT be built because of missing icu library.])
AC_MSG_WARN([Try to install libicu-devel package.])
AM_CONDITIONAL([ENABLE_TRAINING], false)
else
ICU_UC_LIBS="-licui18n -licuuc"
fi
fi
# Check location of pango headers
PKG_CHECK_MODULES([pango], [pango], [have_pango=true], [have_pango=false])
if !($have_pango); then
AC_MSG_WARN([Training tools WILL NOT be built because of missing pango library.])
AC_MSG_WARN([Try to install libpango1.0-dev package.])
AM_CONDITIONAL([ENABLE_TRAINING], false)
else
CPPFLAGS="$CPPFLAGS $pango_CFLAGS"
fi
# Check location of cairo headers
PKG_CHECK_MODULES([cairo], [cairo], [have_cairo=true], [have_cairo=false])
if !($have_cairo); then
AC_MSG_WARN([Training tools WILL NOT be built because of missing cairo library.])
AC_MSG_WARN([Try to install libcairo-dev?? package.])
AM_CONDITIONAL([ENABLE_TRAINING], false)
else
CPPFLAGS="$CPPFLAGS $cairo_CFLAGS"
fi
# set c++11 support based on platform/compiler
if test "x$has_cpp11" = "xyes"; then
case "${host_os}" in
cygwin*)
CXXFLAGS="$CXXFLAGS -std=gnu++11"
;;
*-darwin* | *-macos10*)
if test "x$CLANG" = "xyes"; then
CXXFLAGS="$CXXFLAGS -std=c++11 "
LDFLAGS="$LDFLAGS -stdlib=libc++"
else
CXXFLAGS="$CXXFLAGS -std=c++11"
fi
;;
*)
# default
CXXFLAGS="$CXXFLAGS -std=c++11"
;;
esac
else
AC_MSG_WARN([Training tools WILL NOT be built because of missing c++11 support.])
AM_CONDITIONAL([ENABLE_TRAINING], false)
fi
# ----------------------------------------
# Final Tasks and Output
# ----------------------------------------
# Output files
AC_CONFIG_FILES([Makefile tesseract.pc])
AC_CONFIG_FILES([api/Makefile])
AC_CONFIG_FILES([ccmain/Makefile])
AC_CONFIG_FILES([opencl/Makefile])
AC_CONFIG_FILES([ccstruct/Makefile])
AC_CONFIG_FILES([ccutil/Makefile])
AC_CONFIG_FILES([classify/Makefile])
AC_CONFIG_FILES([cube/Makefile])
AC_CONFIG_FILES([cutil/Makefile])
AC_CONFIG_FILES([dict/Makefile])
AC_CONFIG_FILES([neural_networks/runtime/Makefile])
AC_CONFIG_FILES([textord/Makefile])
AC_CONFIG_FILES([viewer/Makefile])
AC_CONFIG_FILES([wordrec/Makefile])
AC_CONFIG_FILES([tessdata/Makefile])
AC_CONFIG_FILES([tessdata/configs/Makefile])
AC_CONFIG_FILES([tessdata/tessconfigs/Makefile])
AC_CONFIG_FILES([testing/Makefile])
AC_CONFIG_FILES([java/Makefile])
AC_CONFIG_FILES([java/com/Makefile])
AC_CONFIG_FILES([java/com/google/Makefile])
AC_CONFIG_FILES([java/com/google/scrollview/Makefile])
AC_CONFIG_FILES([java/com/google/scrollview/events/Makefile])
AC_CONFIG_FILES([java/com/google/scrollview/ui/Makefile])
AC_CONFIG_FILES([doc/Makefile])
AM_COND_IF([ENABLE_TRAINING], [AC_CONFIG_FILES(training/Makefile)])
AC_OUTPUT
# Final message
echo ""
echo "Configuration is done."
echo "You can now build and install $PACKAGE_NAME by running:"
echo ""
echo "$ make"
echo "$ sudo make install"
# echo "$ sudo make install LANGS=\"eng ara deu\""
# echo " Or:"
# echo "$ sudo make install-langs"
AM_COND_IF([ENABLE_TRAINING],
[echo ""
echo "Training tools can be build and installed (after building of $PACKAGE_NAME) with:"
echo ""
echo "$ make training"
echo "$ sudo make training-install"
echo ""],
[echo ""
echo "You can not build training tools because of missing dependency."
echo "Check configure output for details."
echo ""]
)
# ----------------------------------------
# CONFIG Template
# ----------------------------------------
# Fence added in configuration file
AH_TOP([
#ifndef CONFIG_AUTO_H
#define CONFIG_AUTO_H
/* config_auto.h: begin */
])
# Stuff added at bottom of file
AH_BOTTOM([
/* Miscellaneous defines */
#define AUTOCONF 1
/* Not used yet
#ifndef NO_GETTEXT
#define USING_GETTEXT
#endif
*/
/* config_auto.h: end */
#endif
])