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a3b9acfa4a
tesseract/configure.ac
Stefan Weil 080da83cc5 Create new release 5.3.0 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
2022-12-22 14:57:57 +01:00

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# -*-Shell-script-*-
#
# Copyright (c) Luc Vincent
# ----------------------------------------
# Initialization
# ----------------------------------------
AC_PREREQ([2.69])
AC_INIT([tesseract],
[m4_esyscmd_s([git describe --abbrev=4 2>/dev/null || cat VERSION])],
[https://github.com/tesseract-ocr/tesseract/issues],,
[https://github.com/tesseract-ocr/tesseract/])
# Store command like options for CXXFLAGS
OLD_CXXFLAGS=$CXXFLAGS
AC_PROG_CXX([g++ clang++])
# reset compiler flags to initial flags
AC_LANG([C++])
AC_LANG_COMPILER_REQUIRE
CXXFLAGS=${CXXFLAGS:-""}
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_AUX_DIR([config])
AC_CONFIG_SRCDIR([src/tesseract.cpp])
AC_PREFIX_DEFAULT([/usr/local])
# Automake configuration. Do not require README file (we use README.md).
AM_INIT_AUTOMAKE([foreign subdir-objects nostdinc])
# Define date of package, etc. Could be useful in auto-generated
# documentation.
PACKAGE_YEAR=2022
PACKAGE_DATE="12/22"
abs_top_srcdir=`AS_DIRNAME([$0])`
AC_DEFINE_UNQUOTED([PACKAGE_NAME], ["${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], ["$PACKAGE_DATE"], [Official date of release])
AC_SUBST([PACKAGE_NAME])
AC_SUBST([PACKAGE_VERSION])
AC_SUBST([PACKAGE_YEAR])
AC_SUBST([PACKAGE_DATE])
GENERIC_LIBRARY_NAME=tesseract
# Release versioning. Get versions from PACKAGE_VERSION.
AX_SPLIT_VERSION
GENERIC_MAJOR_VERSION=$(echo "$AX_MAJOR_VERSION" | $SED 's/^[[^0-9]]*//')
GENERIC_MINOR_VERSION=$AX_MINOR_VERSION
GENERIC_MICRO_VERSION=`echo "$AX_POINT_VERSION" | $SED 's/^\([[0-9]][[0-9]]*\).*/\1/'`
# 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_MINOR_VERSION])
AC_SUBST([GENERIC_MICRO_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])
AC_CONFIG_HEADERS([include/config_auto.h:config/config.h.in])
# default conditional
AM_CONDITIONAL([T_WIN], false)
AM_CONDITIONAL([GRAPHICS_DISABLED], false)
AC_SUBST([AM_CPPFLAGS])
# Be less noisy by default.
# Can be overridden with `configure --disable-silent-rules` or with `make V=1`.
AM_SILENT_RULES([yes])
OPENCL_INC="/opt/AMDAPP/include"
OPENCL_LIBS="-lOpenCL"
#############################
#
# Platform specific setup
#
#############################
AC_CANONICAL_HOST
case "${host_os}" in
mingw*)
AM_CONDITIONAL([T_WIN], true)
AM_CONDITIONAL([ADD_RT], false)
AC_SUBST([AM_LDFLAGS], ['-no-undefined'])
;;
cygwin*)
AM_CONDITIONAL([ADD_RT], false)
AC_SUBST([NOUNDEFINED], ['-no-undefined'])
;;
solaris*)
LIBS="$LIBS -lsocket -lnsl -lrt -lxnet"
AM_CONDITIONAL([ADD_RT], true)
;;
*darwin*)
OPENCL_LIBS=""
OPENCL_INC=""
AM_CONDITIONAL([ADD_RT], false)
;;
*android*|openbsd*)
AM_CONDITIONAL([ADD_RT], false)
;;
powerpc-*-darwin*)
OPENCL_LIBS=""
;;
*)
# default
AM_CONDITIONAL([ADD_RT], true)
;;
esac
WERROR=-Werror
# The test code used by AX_CHECK_COMPILE_FLAG uses an empty statement
# and unused macros which must not raise a compiler error, but it must
# be an error if flags like -avx are ignored on ARM and other
# architectures because they are unsupported.
AX_CHECK_COMPILE_FLAG([-Werror=unused-command-line-argument], [WERROR=-Werror=unused-command-line-argument])
## Checks for supported compiler options.
AM_CONDITIONAL([HAVE_AVX], false)
AM_CONDITIONAL([HAVE_AVX2], false)
AM_CONDITIONAL([HAVE_AVX512F], false)
AM_CONDITIONAL([HAVE_FMA], false)
AM_CONDITIONAL([HAVE_SSE4_1], false)
AM_CONDITIONAL([HAVE_NEON], false)
case "${host_cpu}" in
amd64|*86*)
AX_CHECK_COMPILE_FLAG([-mavx], [avx=true], [avx=false], [$WERROR])
AM_CONDITIONAL([HAVE_AVX], ${avx})
if $avx; then
AC_DEFINE([HAVE_AVX], [1], [Enable AVX instructions])
fi
AX_CHECK_COMPILE_FLAG([-mavx2], [avx2=true], [avx2=false], [$WERROR])
AM_CONDITIONAL([HAVE_AVX2], $avx2)
if $avx2; then
AC_DEFINE([HAVE_AVX2], [1], [Enable AVX2 instructions])
fi
AX_CHECK_COMPILE_FLAG([-mavx512f], [avx512f=true], [avx512f=false], [$WERROR])
AM_CONDITIONAL([HAVE_AVX512F], $avx512f)
if $avx512f; then
AC_DEFINE([HAVE_AVX512F], [1], [Enable AVX512F instructions])
fi
AX_CHECK_COMPILE_FLAG([-mfma], [fma=true], [fma=false], [$WERROR])
AM_CONDITIONAL([HAVE_FMA], $fma)
if $fma; then
AC_DEFINE([HAVE_FMA], [1], [Enable FMA instructions])
fi
AX_CHECK_COMPILE_FLAG([-msse4.1], [sse41=true], [sse41=false], [$WERROR])
AM_CONDITIONAL([HAVE_SSE4_1], $sse41)
if $sse41; then
AC_DEFINE([HAVE_SSE4_1], [1], [Enable SSE 4.1 instructions])
fi
;;
aarch64*|arm64)
# ARMv8 always has NEON and does not need special compiler flags.
AM_CONDITIONAL([HAVE_NEON], true)
AC_DEFINE([HAVE_NEON], [1], [Enable NEON instructions])
;;
arm*)
AX_CHECK_COMPILE_FLAG([-mfpu=neon], [neon=true], [neon=false], [$WERROR])
AM_CONDITIONAL([HAVE_NEON], $neon)
if $neon; then
AC_DEFINE([HAVE_NEON], [1], [Enable NEON instructions])
NEON_CXXFLAGS="-mfpu=neon"
AC_SUBST([NEON_CXXFLAGS])
check_for_neon=1
fi
;;
*)
AC_MSG_WARN([No compiler options for $host_cpu])
esac
# check whether feenableexcept is supported. some C libraries (e.g. uclibc) don't.
AC_CHECK_FUNCS([feenableexcept])
# additional checks for NEON targets
if test x$check_for_neon = x1; then
AC_MSG_NOTICE([checking how to detect NEON availability])
AC_CHECK_FUNCS([getauxval elf_aux_info android_getCpuFamily])
if test $ac_cv_func_getauxval = no && test $ac_cv_func_elf_aux_info = no && test $ac_cv_func_android_getCpuFamily = no; then
AC_MSG_WARN([NEON is available, but we don't know how to check for it. Will not be able to use NEON.])
fi
fi
AX_CHECK_COMPILE_FLAG([-fopenmp-simd], [openmp_simd=true], [openmp_simd=false], [$WERROR])
AM_CONDITIONAL([OPENMP_SIMD], $openmp_simd)
AC_ARG_WITH([extra-includes],
[AS_HELP_STRING([--with-extra-includes=DIR],
[Define an additional directory for include files])],
[if test -d "$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 $withval])
fi])
AC_MSG_CHECKING([--enable-float32 argument])
AC_ARG_ENABLE([float32],
AS_HELP_STRING([--disable-float32], [disable float and enable double for LSTM]))
AC_MSG_RESULT([$enable_float32])
if test "$enable_float32" != "no"; then
AC_DEFINE([FAST_FLOAT], [1], [Enable float for LSTM])
fi
AC_MSG_CHECKING([--enable-graphics argument])
AC_ARG_ENABLE([graphics],
AS_HELP_STRING([--disable-graphics], [disable graphics (ScrollView)]))
AC_MSG_RESULT([$enable_graphics])
if test "$enable_graphics" = "no"; then
AC_DEFINE([GRAPHICS_DISABLED], [], [Disable graphics])
AM_CONDITIONAL([GRAPHICS_DISABLED], true)
fi
AC_MSG_CHECKING([--enable-legacy argument])
AC_ARG_ENABLE([legacy],
AS_HELP_STRING([--disable-legacy], [disable the legacy OCR engine]))
AC_MSG_RESULT([$enable_legacy])
AM_CONDITIONAL([DISABLED_LEGACY_ENGINE], test "$enable_legacy" = "no")
if test "$enable_legacy" = "no"; then
AC_DEFINE([DISABLED_LEGACY_ENGINE], [1], [Disable legacy OCR engine])
fi
# check whether to build OpenMP support
AC_OPENMP
have_tiff=false
# Note that the first usage of AC_CHECK_HEADERS must be unconditional.
AC_CHECK_HEADERS([tiffio.h], [have_tiff=true], [have_tiff=false])
# check whether to build opencl version
AC_MSG_CHECKING([--enable-opencl argument])
AC_ARG_ENABLE([opencl],
AS_HELP_STRING([--enable-opencl], [enable opencl build [default=no]]))
AC_MSG_RESULT([$enable_opencl])
# check for opencl header
have_opencl=false
if test "$enable_opencl" = "yes"; then
AC_CHECK_HEADERS([CL/cl.h], [have_opencl=true], [
AC_CHECK_HEADERS(OpenCL/cl.h, [have_opencl=true], [have_opencl=false])
])
fi
# Configure arguments which allow disabling some optional libraries.
AC_ARG_WITH([archive],
AS_HELP_STRING([--with-archive],
[Build with libarchive which supports compressed model files @<:@default=check@:>@]),
[], [with_archive=check])
AC_ARG_WITH([curl],
AS_HELP_STRING([--with-curl],
[Build with libcurl which supports processing an image URL @<:@default=check@:>@]),
[], [with_curl=check])
AC_ARG_WITH([tensorflow],
AS_HELP_STRING([--with-tensorflow],
[support TensorFlow @<:@default=check@:>@]),
[], [with_tensorflow=check])
# Check whether to build with support for TensorFlow.
AM_CONDITIONAL([TENSORFLOW], false)
TENSORFLOW_LIBS=
AS_IF([test "x$with_tensorflow" != xno],
[AC_CHECK_HEADERS([tensorflow/core/framework/graph.pb.h],
[AC_SUBST([TENSORFLOW_LIBS], ["-lprotobuf -ltensorflow_cc"])
AM_CONDITIONAL([TENSORFLOW], true)
],
[if test "x$with_tensorflow" != xcheck; then
AC_MSG_FAILURE(
[--with-tensorflow was given, but test for libtensorflow-dev failed])
fi
])
])
# 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*)
MY_CHECK_FRAMEWORK([Accelerate])
if test $my_cv_framework_Accelerate = yes; then
AM_CPPFLAGS="-DHAVE_FRAMEWORK_ACCELERATE $AM_CPPFLAGS"
AM_LDFLAGS="$AM_LDFLAGS -framework Accelerate"
fi
MY_CHECK_FRAMEWORK([OpenCL])
if test "$enable_opencl" = "yes"; then
if test $my_cv_framework_OpenCL = no; then
AC_MSG_ERROR([Required OpenCL library not found!])
fi
AM_CPPFLAGS="-DUSE_OPENCL $AM_CPPFLAGS"
OPENCL_CPPFLAGS=""
OPENCL_LDFLAGS="-framework OpenCL"
fi
;;
*)
# default
if test "$enable_opencl" = "yes"; then
AC_CHECK_LIB([OpenCL], [clGetPlatformIDs],
[have_opencl_lib=true], [have_opencl_lib=false])
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="${OPENCL_LIBS}"
fi
;;
esac
AM_CONDITIONAL([OPENCL], [test "$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
# https://groups.google.com/g/tesseract-dev/c/l2ZFrpgYkSc/m/_cdYSRDSXuUJ
AC_MSG_CHECKING([--enable-visibility argument])
AC_ARG_ENABLE([visibility],
AS_HELP_STRING([--enable-visibility],
[enable experimental build with -fvisibility [default=no]]))
AC_MSG_RESULT([$enable_visibility])
AM_CONDITIONAL([VISIBILITY], [test "$enable_visibility" = "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"])
# Detect Clang compiler
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([$CLANG])
# Check whether to enable debugging
AC_MSG_CHECKING([whether to enable debugging])
AC_ARG_ENABLE([debug],
AS_HELP_STRING([--enable-debug], [turn on debugging [default=no]]))
AC_MSG_RESULT([$enable_debug])
if test x"$enable_debug" = x"yes"; then
CXXFLAGS=${CXXFLAGS:-"-O2"}
AM_CPPFLAGS="$AM_CPPFLAGS -g -Wall -DDEBUG -pedantic"
AM_CXXFLAGS="$AM_CXXFLAGS -g -Wall -DDEBUG -pedantic"
if test "x$CLANG" = "xyes"; then
# https://clang.llvm.org/docs/CommandGuide/clang.html
# clang treats -Og as -O1
AM_CPPFLAGS="$AM_CPPFLAGS -O0"
AM_CXXFLAGS="$AM_CXXFLAGS -O0"
else
AM_CPPFLAGS="$AM_CPPFLAGS -Og"
AM_CXXFLAGS="$AM_CXXFLAGS -Og"
fi
else
AM_CXXFLAGS="$AM_CXXFLAGS -O2 -DNDEBUG"
AM_CPPFLAGS="$AM_CPPFLAGS -O2 -DNDEBUG"
fi
# ----------------------------------------
# Init libtool
# ----------------------------------------
LT_INIT
# ----------------------------------------
# C++ related options
# ----------------------------------------
dnl **********************
dnl Turn on C++17 or newer
dnl **********************
CPLUSPLUS=
AX_CHECK_COMPILE_FLAG([-std=c++17], [CPLUSPLUS=17], [], [$WERROR])
AX_CHECK_COMPILE_FLAG([-std=c++20], [CPLUSPLUS=20], [], [$WERROR])
if test -z "$CPLUSPLUS"; then
AC_MSG_ERROR([Your compiler does not have the necessary C++17 support! Cannot proceed.])
fi
# Set C++17 or newer support based on platform/compiler
case "${host_os}" in
cygwin*)
CXXFLAGS="$CXXFLAGS -std=gnu++$CPLUSPLUS"
;;
*-darwin* | *-macos10*)
CXXFLAGS="$CXXFLAGS -std=c++$CPLUSPLUS"
if test "x$CLANG" = "xyes"; then
LDFLAGS="$LDFLAGS -stdlib=libc++"
fi
;;
*)
# default
CXXFLAGS="$CXXFLAGS -std=c++$CPLUSPLUS"
;;
esac
# ----------------------------------------
# Check for libraries
# ----------------------------------------
AC_SEARCH_LIBS([pthread_create], [pthread])
# Set PKG_CONFIG_PATH for macOS with Homebrew unless it is already set.
AC_CHECK_PROG([have_brew], brew, true, false)
if $have_brew; then
brew_prefix=$(brew --prefix)
if test -z "$PKG_CONFIG_PATH"; then
PKG_CONFIG_PATH=$brew_prefix/opt/icu4c/lib/pkgconfig:$brew_prefix/opt/libarchive/lib/pkgconfig
export PKG_CONFIG_PATH
fi
fi
# ----------------------------------------
# Check for programs needed to build documentation.
# ----------------------------------------
AM_CONDITIONAL([ASCIIDOC], false)
AM_CONDITIONAL([HAVE_XML_CATALOG_FILES], false)
AC_ARG_ENABLE([doc],
AS_HELP_STRING([--disable-doc], [disable build of documentation])
[],
[: m4_divert_text([DEFAULTS], [enable_doc=check])])
AS_IF([test "$enable_doc" != "no"], [
AC_CHECK_PROG([have_asciidoc], asciidoc, true, false)
AC_CHECK_PROG([have_xsltproc], xsltproc, true, false)
# macOS with Homebrew requires the environment variable
# XML_CATALOG_FILES for xsltproc.
if $have_asciidoc && $have_xsltproc; then
AM_CONDITIONAL([ASCIIDOC], true)
XML_CATALOG_FILES=
if $have_brew; then
catalog_file=$brew_prefix/etc/xml/catalog
if test -f $catalog_file; then
AM_CONDITIONAL([HAVE_XML_CATALOG_FILES], true)
XML_CATALOG_FILES=file:$catalog_file
else
AC_MSG_WARN([Missing file $catalog_file.])
fi
fi
AC_SUBST([XML_CATALOG_FILES])
else
AS_IF([test "x$enable_doc" != xcheck], [
AC_MSG_FAILURE(
[--enable-doc was given, but test for asciidoc and xsltproc failed])
])
fi
])
# ----------------------------------------
# Checks for typedefs, structures, and compiler characteristics.
# ----------------------------------------
AC_CHECK_TYPES([wchar_t],,, [#include "wchar.h"])
AC_CHECK_TYPES([long long int])
# ----------------------------------------
# Test auxiliary packages
# ----------------------------------------
AM_CONDITIONAL([HAVE_LIBCURL], false)
AS_IF([test "x$with_curl" != xno], [
PKG_CHECK_MODULES([libcurl], [libcurl], [have_libcurl=true], [have_libcurl=false])
AM_CONDITIONAL([HAVE_LIBCURL], $have_libcurl)
if $have_libcurl; then
AC_DEFINE([HAVE_LIBCURL], [1], [Enable libcurl])
else
AS_IF([test "x$with_curl" != xcheck], [
AC_MSG_FAILURE(
[--with-curl was given, but test for libcurl failed])
])
fi
])
PKG_CHECK_MODULES([LEPTONICA], [lept >= 1.74], [have_lept=true], [have_lept=false])
if $have_lept; then
CPPFLAGS="$CPPFLAGS $LEPTONICA_CFLAGS"
else
AC_MSG_ERROR([Leptonica 1.74 or higher is required. Try to install libleptonica-dev package.])
fi
AM_CONDITIONAL([HAVE_LIBARCHIVE], false)
AS_IF([test "x$with_archive" != xno], [
PKG_CHECK_MODULES([libarchive], [libarchive], [have_libarchive=true], [have_libarchive=false])
AM_CONDITIONAL([HAVE_LIBARCHIVE], [$have_libarchive])
if $have_libarchive; then
AC_DEFINE([HAVE_LIBARCHIVE], [1], [Enable libarchive])
CPPFLAGS="$CPPFLAGS $libarchive_CFLAGS"
else
AS_IF([test "x$with_archive" != xcheck], [
AC_MSG_FAILURE(
[--with-archive was given, but test for libarchive failed])
])
fi
])
AM_CONDITIONAL([ENABLE_TRAINING], true)
# Check availability of ICU packages.
PKG_CHECK_MODULES([ICU_UC], [icu-uc >= 52.1], [have_icu_uc=true], [have_icu_uc=false])
PKG_CHECK_MODULES([ICU_I18N], [icu-i18n >= 52.1], [have_icu_i18n=true], [have_icu_i18n=false])
if !($have_icu_uc && $have_icu_i18n); then
AC_MSG_WARN([icu 52.1 or higher is required, but was not found.])
AC_MSG_WARN([Training tools WILL NOT be built.])
AC_MSG_WARN([Try to install libicu-dev package.])
AM_CONDITIONAL([ENABLE_TRAINING], false)
fi
# Check location of pango headers
PKG_CHECK_MODULES([pango], [pango >= 1.38.0], [have_pango=true], [have_pango=false])
if !($have_pango); then
AC_MSG_WARN([pango 1.38.0 or higher is required, but was not found.])
AC_MSG_WARN([Training tools WILL NOT be built.])
AC_MSG_WARN([Try to install libpango1.0-dev package.])
AM_CONDITIONAL([ENABLE_TRAINING], false)
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)
fi
PKG_CHECK_MODULES([pangocairo], [pangocairo], [], [false])
PKG_CHECK_MODULES([pangoft2], [pangoft2], [], [false])
# ----------------------------------------
# Final Tasks and Output
# ----------------------------------------
# Output files
AC_CONFIG_FILES([include/tesseract/version.h])
AC_CONFIG_FILES([Makefile tesseract.pc])
AC_CONFIG_FILES([tessdata/Makefile])
AC_CONFIG_FILES([tessdata/configs/Makefile])
AC_CONFIG_FILES([tessdata/tessconfigs/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_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 ldconfig"
echo ""
AM_COND_IF([ASCIIDOC], [
echo "This will also build the documentation."
], [
AS_IF([test "$enable_doc" = "no"], [
echo "Documentation will not be built because it was disabled."
], [
echo "Documentation will not be built because asciidoc or xsltproc is missing."
])
])
# echo "$ sudo make install LANGS=\"eng ara deu\""
# echo " Or:"
# echo "$ sudo make install-langs"
echo ""
AM_COND_IF([ENABLE_TRAINING],
[
echo "Training tools can be built and installed with:"
echo ""
echo "$ make training"
echo "$ sudo make training-install"
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
])
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