ru_tts

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# Process this file with autoconf to produce a configure script.
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AC_PREREQ(2.69)
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AC_INIT([ru-tts], [6.2.3])
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AC_CONFIG_SRCDIR([src/ru_tts.c])
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AC_CONFIG_HEADERS([src/config.h])
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AC_CONFIG_MACRO_DIRS([m4])
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AM_INIT_AUTOMAKE([foreign])
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LT_INIT
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# Guess environment.
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AC_CANONICAL_HOST
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AC_CANONICAL_BUILD
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# Checks for programs.
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AC_PROG_CC
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AC_PROG_CPP
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AC_PROG_INSTALL
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# Language choice.
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AC_LANG([C])
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AX_CHECK_VSCRIPT
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# Checks for typedefs, structures, and compiler characteristics.
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AC_TYPE_SIZE_T
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# Checks for required headers and libraries.
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AC_CHECK_HEADERS([stdint.h stdlib.h unistd.h string.h stdio.h fcntl.h math.h limits.h sys/types.h sys/stat.h], [],
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                 [AC_MSG_ERROR([Some system header files are not found])])
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AC_SEARCH_LIBS([rint], [m], [], [AC_MSG_ERROR([The rint() function is unavailable])])
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# Cooperation with the Rulex pronunciation dictionary
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AC_ARG_WITH([dictionary],
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            AS_HELP_STRING([--with-dictionary],
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                           [whether to link with the rulex library to take advantage of the pronunciation dictionary
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                            (by default the library is not linked in but dlopened at runtime).]))
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AS_IF([test "x$with_dictionary" = "xyes"], [
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    CHECK_FOR_LOCALES_SUPPORT
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    AC_CHECK_HEADER([rulexdb.h], [], [AC_MSG_ERROR([Header file rulexdb.h is not found])])
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    AC_SEARCH_LIBS([rulexdb_search], [rulexdb], [], [AC_MSG_ERROR([Broken or unavailable rulexdb library])])
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], [test "x$with_dictionary" != "xno"], [
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    CHECK_FOR_LOCALES_SUPPORT
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    AC_CHECK_HEADER([dlfcn.h], [], [AC_MSG_ERROR([Header file dlfcn.h is not found])])
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    AC_SEARCH_LIBS([dlopen], [dl], [], [AC_MSG_ERROR([The dlopen() function is unavailable])])
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    AC_DEFINE([RULEX_DLL], ["librulexdb.so.0"], [RuLex DLL])
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], [
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    AC_DEFINE([WITHOUT_DICTIONARY], [], [Drop RuLex dictionary support])
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])
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# Output results.
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AC_CONFIG_FILES([Makefile src/Makefile manpages/Makefile])
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AC_OUTPUT
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