dnl configure.ac -- autoconf script for the m17n library.

dnl Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012

dnl   National Institute of Advanced Industrial Science and Technology (AIST)

dnl   Registration Number H15PRO112

dnl Copyright (C) 2015, 2016, 2017  K. Handa  <handa@gnu.org>

dnl This file is part of the m17n library.

dnl The m17n library is free software; you can redistribute it and/or

dnl modify it under the terms of the GNU Lesser General Public License

dnl as published by the Free Software Foundation; either version 2.1 of

dnl the License, or (at your option) any later version.

dnl The m17n library is distributed in the hope that it will be useful,

dnl but WITHOUT ANY WARRANTY; without even the implied warranty of

dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

dnl Lesser General Public License for more details.

dnl You should have received a copy of the GNU Lesser General Public

dnl License along with the m17n library; if not, write to the Free

dnl Software Foundation, Inc., 51 Franklin Street, Fifth Floor,

dnl Boston, MA 02110-1301, USA.

dnl Process this file with autoconf to produce a configure script.

AC_INIT([m17n-lib],[1.8.0],[m17n-lib-bug@m17n.org])

AC_CONFIG_MACRO_DIR([m4])

AM_INIT_AUTOMAKE

AC_CONFIG_HEADERS([config.h])

AM_MAINTAINER_MODE

API_VERSION=4:2:4

AC_SUBST(API_VERSION)

# The earliest version that this release has binary compatibility

# with.  This is used for module locations.

M17N_BINARY_VERSION=1.0

M17N_MODULE_DIR="m17n/$M17N_BINARY_VERSION"

AC_SUBST(M17N_MODULE_DIR)

dnl Checks for programs for compiling.

AC_PROG_CC

AC_GNU_SOURCE

AM_GNU_GETTEXT

AM_GNU_GETTEXT_VERSION([0.17])

GETTEXTDIR="$datadir/locale"

AC_SUBST(GETTEXTDIR)

AC_PROG_LIBTOOL

dnl LT_PREREQ([2.2.4])

dnl LT_INIT

dnl Checks for X libraries.

AC_PATH_XTRA

dnl Checks for standard header files.

AC_HEADER_STDC

AC_HEADER_DIRENT

AC_HEADER_TIME

AC_CHECK_HEADERS([fcntl.h langinfo.h limits.h locale.h stdlib.h \

			  string.h strings.h sys/time.h unistd.h])

AC_CHECK_HEADER(X11/Xaw/Command.h, HAVE_XAW=yes)

dnl Checks for typedefs, structures, and compiler characteristics.

AC_C_CONST

AC_C_INLINE

AC_TYPE_SIZE_T

AC_STRUCT_TM

dnl Checks for endian.  This influence the default UTF-16 definition.

AC_C_BIGENDIAN

dnl Checks for library functions.

AC_FUNC_ALLOCA

AC_FUNC_MALLOC

AC_FUNC_REALLOC

AC_FUNC_MEMCMP

AC_FUNC_STAT

AC_FUNC_STRCOLL

AC_FUNC_STRFTIME

AC_FUNC_STRTOD

AC_CHECK_FUNCS(memmove memset nl_langinfo putenv regcomp setlocale)

AC_CHECK_FUNCS(strchr strdup gettimeofday)

dnl Checks where the m17n database is installed.

AC_CHECK_PROG(HAVE_M17N_DB, m17n-db, yes)

if test "x$HAVE_M17N_DB" = "xyes"; then

  M17NDIR=`m17n-db`

else

  M17NDIR="${datadir}/m17n"

fi

AC_SUBST(M17NDIR)

dnl Checks which levels of APIs should be compiled.

AC_ARG_ENABLE(gui,

	      AS_HELP_STRING([--enable-gui],[enable GUI level APIs (default is YES)]))

AM_CONDITIONAL(WITH_GUI, test x$with_gui != xno)

if test x$with_gui != xno; then

dnl Checks if dlopen exists, and if it's in libc or libdl.

AC_SEARCH_LIBS(dlopen, dl,

	       AC_DEFINE(HAVE_DLOPEN, 1,

	       [Define to 1 if you have the function dlopen.]))

dnl Check several libraries without adding -lxxx to LIBS, without

dnl defining HAVE_LIBXXX nor HAVE_XXX_H because they are used only by

dnl some libraries (e.g. libm17n-X.so).  Instead, define XXX_LD_FLAGS

dnl and HAVE_XXX if library XXX is available.  CPPFLAGS will be

dnl augmented.

M17N_EXT_LIBS=

AC_CHECK_PROG(HAVE_PKG_CONFIG, pkg-config, yes)

AM_CONDITIONAL([HAVE_PKG_CONFIG], [test x$HAVE_PKG_CONFIG = xyes])

if test "x$no_x" != "xyes"; then

  AC_DEFINE(HAVE_X11, 1, [Define to 1 if you have X11.])

  X11_LD_FLAGS="-lXt -lX11"

  M17N_EXT_LIBS="$M17N_EXT_LIBS X11"

  if test "x$HAVE_XAW" = "xyes"; then

    AC_DEFINE(HAVE_X11_XAW_COMMAND_H, 1,

	      [Define to 1 if you have the Xaw header files.])

    XAW_LD_FLAGS="-lXaw -lXmu"

    CONFIG_FLAGS="$CONFIG_FLAGS -DHAVE_X11_XAW_COMMAND_H"

    M17N_EXT_LIBS="$M17N_EXT_LIBS Xaw"

  fi

fi

AC_SUBST(X11_LD_FLAGS)

AC_SUBST(XAW_LD_FLAGS)

dnl Check for fribidi library.

save_CPPFLAGS="$CPPFLAGS"

save_LIBS="$LIBS"

AC_CHECK_PROG(HAVE_FRIBIDI_CONFIG, fribidi-config, yes)

if test "x$HAVE_FRIBIDI_CONFIG" = "xyes"; then

  CPPFLAGS="$CPPFLAGS `fribidi-config --cflags`"

  FRIBIDI_LD_FLAGS="`fribidi-config --libs`"

  LIBS="$LIBS $FRIBIDI_LD_FLAGS"

else

  FRIBIDI_LD_FLAGS=-lfribidi

fi

AC_CHECK_LIB(fribidi, fribidi_set_mirroring, HAVE_FRIBIDI=yes, HAVE_FRIBIDI=no)

AC_CHECK_HEADER(fribidi/fribidi.h,, HAVE_FRIBIDI=no)

if test "x$HAVE_FRIBIDI" = "xyes"; then

  AC_DEFINE(HAVE_FRIBIDI, 1, 

	    [Define to 1 if you have Fribidi library and header file.])

  M17N_EXT_LIBS="$M17N_EXT_LIBS fribidi"

else

  CPPFLAGS="$save_CPPFLAGS"

  FRIBIDI_LD_FLAGS=

fi

LIBS="$save_LIBS"

AC_SUBST(FRIBIDI_LD_FLAGS)

dnl Check for otflib usability.

AC_ARG_WITH(libotf, 

	    AS_HELP_STRING([--with-libotf],[with OpenType font suport (default is YES)]))

if test "x$with_libotf" != "xno"; then

  save_CPPFLAGS="$CPPFLAGS"

  save_LIBS="$LIBS"

  AC_CHECK_PROG(HAVE_OTFLIB_CONFIG, libotf-config, yes)

  OTF_LD_FLAGS=-lotf

  if test "x$HAVE_OTFLIB_CONFIG" = "xyes"; then

    CPPFLAGS="$CPPFLAGS `libotf-config --cflags`"

    OTF_LD_FLAGS="`libotf-config --libs`"

    LIBS="$LIBS $OTF_LD_FLAGS"

  elif test "x$HAVE_PKG_CONFIG" = "xyes" ; then

    if pkg-config libotf ; then

      CPPFLAGS="$CPPFLAGS `pkg-config --cflags libotf`"

      OTF_LD_FLAGS="`pkg-config --libs libotf`"

    fi

  fi

  ## We check the availability of OTF_check_features

  ## because we need libotf-0.9.4 or the later.

  AC_CHECK_LIB(otf, OTF_check_features, HAVE_OTF=yes, HAVE_OTF=no)

  AC_CHECK_HEADER(otf.h,, HAVE_OTF=no)

  if test "x$HAVE_OTF" = "xyes"; then

    AC_DEFINE(HAVE_OTF, 1, 

	      [Define to 1 if you have OTF library and header file.])

    M17N_EXT_LIBS="$M17N_EXT_LIBS libotf"

    AC_CHECK_LIB(otf, OTF_drive_gpos2, HAVE_OTF_DRIVE_GPOS2=yes,

    		 HAVE_OTF_DRIVE_GPOS2=no)

    if test "x$HAVE_OTF_DRIVE_GPOS2" = "xyes"; then

      AC_DEFINE(HAVE_OTF_DRIVE_GPOS2, 1,

                [Define to 1 if the OTF library has OTF_drive_gpos2().])

    fi

  else

    CPPFLAGS="$save_CPPFLAGS"

    OTF_LD_FLAGS=

  fi

  LIBS="$save_LIBS"

fi

AC_SUBST(OTF_LD_FLAGS)

dnl Check for Freetype2 usability.

AC_CHECK_PROG(HAVE_FREETYPE_CONFIG, freetype-config, yes)

if test "x$HAVE_FREETYPE_CONFIG" = "xyes"; then

  FREETYPE_INC=`freetype-config --cflags`

  save_CPPFLAGS="$CPPFLAGS"

  CPPFLAGS="$CPPFLAGS $FREETYPE_INC"

  AC_CHECK_HEADER(ft2build.h, HAVE_FREETYPE=yes,

  			      HAVE_FREETYPE=no CPPFLAGS="$save_CPPFLAGS")

  if test "x$HAVE_FREETYPE" = "xyes" ; then

    save_LIBS="$LIBS"

    LIBS="$LIBS `freetype-config --libs`"

    AC_CHECK_LIB(freetype, FT_Init_FreeType, HAVE_FREETYPE=yes,

    			   		     HAVE_FREETYPE=no)

    LIBS="$save_LIBS"

    if test "x$HAVE_FREETYPE" = "xyes"; then

      FREETYPE_LD_FLAGS=`freetype-config --libs`

      AC_DEFINE(HAVE_FREETYPE, 1, 

		[Define to 1 if you have FreeType library and header file.])

      M17N_EXT_LIBS="$M17N_EXT_LIBS freetype"

      AC_CHECK_HEADER(freetype/ftbdf.h, HAVE_FTBDF_H=yes, HAVE_FTBDF_H=no,

		      [#include <ft2build.h>

#include FT_FREETYPE_H])

      if test "x$HAVE_FTBDF_H" = "xyes"; then

        AC_DEFINE(HAVE_FTBDF_H, 1,

		  [Define to 1 if you have freetype/ftbdf.h.])

      fi

      CONFIG_FLAGS="$CONFIG_FLAGS -DHAVE_FREETYPE"

    fi

  fi

fi

AC_SUBST(FREETYPE_LD_FLAGS)

dnl Check for Xft2 usability.

save_CPPFLAGS="$CPPFLAGS"

save_LIBS="$LIBS"

XFT2_LD_FLAGS="-lXft -lfreetype -lfontconfig -lXrender -lX11"

AC_CHECK_PROG(HAVE_XFT_CONFIG, xft-config, yes)

if test "x$HAVE_XFT_CONFIG" = "xyes"; then

  CPPFLAGS="$CPPFLAGS `xft-config --cflags`"

  XFT2_LD_FLAGS="`xft-config --libs`"

elif test "x$HAVE_PKG_CONFIG" = "xyes" ; then

  if pkg-config xft ; then

    CPPFLAGS="$CPPFLAGS `pkg-config --cflags xft`"

    XFT2_LD_FLAGS="`pkg-config --libs xft`"

  fi

fi

LIBS="$LIBS $XFT2_LD_FLAGS"

AC_CHECK_LIB(Xft, XftDrawCreate, HAVE_XFT2=yes, HAVE_XFT2=no)

AC_CHECK_HEADER(X11/Xft/Xft.h,, HAVE_XFT2=no, 

		[#include <X11/Xft/Xft.h>

#if XftVersion >= 20000

#else

Version too old.  Compiling this line should fail.

#endif])

if test "x$HAVE_XFT2" = "xyes"; then

  AC_DEFINE(HAVE_XFT2, 1,

	    [Define to 1 if you have Xft2 library and header file.])

  M17N_EXT_LIBS="$M17N_EXT_LIBS xft2"

else

  XFT2_LD_FLAGS=

  CPPFLAGS="$save_CPPFLAGS"

fi

LIBS="$save_LIBS"

AC_SUBST(XFT2_LD_FLAGS)

dnl Check for fontconfig usability.

AC_ARG_WITH(fontconfig,

	    AS_HELP_STRING([--with-fontconfig],[with FontConfig library (default is YES)]))

if test "x$with_fontconfig" != "xno"; then

  save_CPPFLAGS="$CPPFLAGS"

  save_LIBS="$LIBS"

  FONTCONFIG_LD_FLAGS=-lfontconfig

  if test "x$HAVE_PKG_CONFIG" = "xyes"; then

    if pkg-config --exists fontconfig; then

      CPPFLAGS="$CPPFLAGS `pkg-config --cflags fontconfig`"

      FONTCONFIG_LD_FLAGS="`pkg-config --libs fontconfig`"

      LIBS="$LIBS $FONTCONFIG_LD_FLAGS"

    fi

  fi

  AC_CHECK_LIB(fontconfig, FcInit, HAVE_FONTCONFIG=yes, HAVE_FONTCONFIG=no)

  AC_CHECK_HEADER(fontconfig/fontconfig.h, , HAVE_FONTCONFIG=no)

  if test "x$HAVE_FONTCONFIG" = "xyes"; then

    AC_DEFINE(HAVE_FONTCONFIG, 1,

	      [Define to 1 if you have fontconfig library and header file.])

    M17N_EXT_LIBS="$M17N_EXT_LIBS fontconfig"

  else

    FONTCONFIG_LD_FLAGS=

    CPPFLAGS="$save_CPPFLAGS"

  fi

  LIBS="$save_LIBS"

fi

AC_SUBST(FONTCONFIG_LD_FLAGS)

dnl Check for gdlib usability.

AC_ARG_WITH(gd, 

	    AS_HELP_STRING([--with-gd],[suport graphic device by GD library (default is YES)]))

if test "x$with_gd" != "xno"; then

  save_LIBS="$LIBS"

  AC_CHECK_LIB(gd, gdImageCreate, HAVE_GD=yes, HAVE_GD=no)

  AC_CHECK_HEADER(gd.h, , HAVE_GD=no)

  if test "x$HAVE_GD" = "xyes"; then

    AC_CHECK_LIB(gd, gdImageCreateTrueColor, HAVE_GD=2, HAVE_GD=1)

    AC_DEFINE_UNQUOTED(HAVE_GD, $HAVE_GD,

	      [Define to 1 or 2 if you have gd library and header file.])

    M17N_EXT_LIBS="$M17N_EXT_LIBS gdlib"

    GD_LD_FLAGS=-lgd

    CONFIG_FLAGS="$CONFIG_FLAGS -DHAVE_GD=$HAVE_GD"

  fi

  LIBS="$save_LIBS"

fi

AC_SUBST(GD_LD_FLAGS)

fi

dnl Check for libxml2 usability.

save_CPPFLAGS="$CPPFLAGS"

save_LIBS="$LIBS"

AC_CHECK_PROG(HAVE_XML2_CONFIG, xml2-config, yes)

if test "x$HAVE_XML2_CONFIG" = "xyes"; then

  CPPFLAGS="$CPPFLAGS `xml2-config --cflags`"

  XML2_LD_FLAGS="`xml2-config --libs`"

  LIBS="$LIBS $XML2_LD_FLAGS"

else

  CPPFLAGS="$CPPFLAGS -I/usr/include/libxml2"

  XML2_LD_FLAGS="-lxml2 -lz -lpthread -lm"

fi

AC_CHECK_LIB(xml2, xmlParseMemory, HAVE_XML2=yes, HAVE_XML2=no)

AC_CHECK_HEADER(libxml/tree.h,, HAVE_XML2=no, /**/)

if test "x$HAVE_XML2" = "xyes"; then

  AC_DEFINE(HAVE_XML2, 1,

	    [Define to 1 if you have libxml2 library and header file])

  M17N_EXT_LIBS="$M17N_EXT_LIBS xml2"

else

  XML2_LD_FLAGS=

  CPPFLAGS="$save_CPPFLAGS"

fi

LIBS="$save_LIBS"

AC_SUBST(XML2_LD_FLAGS)

dnl Check for Anthy usability.

PKG_CHECK_MODULES(ANTHY, anthy, HAVE_ANTHY=yes, HAVE_ANTHY=no)

if test "x$HAVE_ANTHY" = "xyes"; then

  AC_DEFINE(HAVE_ANTHY, 1,

	   [Define to 1 if you have Anthy library and header file])

  M17N_EXT_LIBS="$M17N_EXT_LIBS anthy"

  ANTHY_LD_FLAGS="$ANTHY_LIBS"

  CONFIG_FLAGS="$CONFIG_FLAGS -DHAVE_ANTHY"

fi

AC_SUBST(ANTHY_LD_FLAGS)

dnl Check for Ispell usability.

AC_CHECK_PROG(HAVE_ISPELL, ispell, yes)

if test "x$HAVE_ISPELL" = "xyes"; then

  AC_DEFINE(HAVE_ISPELL, 1, [Define if ispell is available.])

  M17N_EXT_LIBS="$M17N_EXT_LIBS ispell"

  CONFIG_FLAGS="$CONFIG_FLAGS -DHAVE_ISPELL"

fi

dnl Check for Thai word-segmentation library.

dnl If we have one, define HAVE_THAI_WORDSEG and one of these:

dnl   HAVE_LIBTHAI, HAVE_WORDCUT, or HAVE_WORDCUT_OLD

dnl In addition, set THAI_WORDSEG_LD_FLAGS to a proper value.

PKG_CHECK_MODULES(LIBTHAI, libthai, HAVE_LIBTHAI=yes, HAVE_LIBTHAI=no)

PKG_CHECK_MODULES(WORDCUT, wordcut, HAVE_WORDCUT=yes, HAVE_WORDCUT=no)

if test "x$HAVE_LIBTHAI" == "xyes"; then

  AC_DEFINE(HAVE_LIBTHAI, 1, [Define if you have libthai])

  THAI_WORDSEG_LD_FLAGS="$LIBTHAI_LIBS"

  M17N_EXT_LIBS="$M17N_EXT_LIBS libthai"

  HAVE_THAI_WORDSEG=yes

elif test "x$HAVE_WORDCUT" = "xyes"; then

  save_CPPFLAGS="$CPPFLAGS"

  CPPFLAGS="$CPPFLAGS $WORDCUT_CFLAGS"

  AC_PREPROC_IFELSE([AC_LANG_SOURCE([[#include <wordcut/wcwordcut.h>]])],[],[HAVE_WORDCUT=no])

  if test "x$HAVE_WORDCUT" = "xno"; then

    PKG_CHECK_MODULES(GLIB_2_0, glib-2.0, HAVE_GLIB_2_0=yes, HAVE_GLIB_2_0=no)

    if test "x$HAVE_GLIB_2_0" = "xyes"; then

      CPPFLAGS="$CPPFLAGS $GLIB_2_0_CFLAGS"

      AC_PREPROC_IFELSE([AC_LANG_SOURCE([[#include <wordcut/wcwordcut.h>]])],[HAVE_WORDCUT=yes],[])

    fi

  fi

  if test "x$HAVE_WORDCUT" = "xyes"; then

    THAI_WORDSEG_LD_FLAGS="$WORDCUT_LIBS"

    AC_DEFINE(HAVE_WORDCUT, 1,

	      [Define if you have the wordcut library and header file])

    M17N_EXT_LIBS="$M17N_EXT_LIBS wordcut"

    HAVE_THAI_WORDSEG=yes

  else

    CPPFLAGS="$save_CPPFLAGS"

  fi

else

  AC_CHECK_LIB(wordcut, wordcut_init, HAVE_WORDCUT_OLD=yes)

  if test "x$HAVE_WORDCUT_OLD" = "xyes"; then

    if test -f "/usr/share/wordcut/tdict.wcd"; then

      tdict="/usr/share/wordcut/tdict.wcd"

    elif test -f "/usr/local/share/wordcut/tdict.wcd"; then

      tdict="/usr/local/share/wordcut/tdict.wcd"

    fi

    echo "TDICT=$tdict"

    if test "x$tdict" != "x"; then

      AC_DEFINE(HAVE_WORDCUT_OLD, 1,

		[Define if you have the old version of wordcut library])

      AC_DEFINE_UNQUOTED(WORDCUT_TDICT, "$tdict", [Define tdict file name])

      THAI_WORDSEG_LD_FLAGS=-lwordcut

      M17N_EXT_LIBS="$M17N_EXT_LIBS wordcut-old"

      HAVE_THAI_WORDSEG=yes

    else

      HAVE_WORDCUT=no

    fi

  fi

fi  

if test "x$HAVE_THAI_WORDSEG" = "xyes"; then

  AC_DEFINE(HAVE_THAI_WORDSEG, 1,

            [Define if you have some Thai word-segmentation library])

fi

AC_SUBST(THAI_WORDSEG_LD_FLAGS)

AC_SUBST(CONFIG_FLAGS)

dnl We can't include X_CFLAGS in AM_CPPFLAGS because the generated

dnl Makefile put ${AM_CPPFLAGS} before ${CPPFLAGS} and that leads to

dnl inclusion of an incorrect header file.  So, append X_CFLAGS to

dnl CPPFLAGS here directly.

CPPFLAGS="$CPPFLAGS $X_CFLAGS"

dnl AC_ARG_ENABLE(xom, 

dnl	      [  --enable-xom            build and install XOM library.],

dnl	      XOM="$enableval")

SHLIB_EXT=".so"

case $host_os in

darwin* | rhapsody*)

  SHLIB_EXT=".dylib";;

esac

AC_DEFINE_UNQUOTED(DLOPEN_SHLIB_EXT, "$SHLIB_EXT",

		   [Define to loadable module extention])

AC_CONFIG_FILES([Makefile intl/Makefile po/Makefile.in

                 src/Makefile

                 example/Makefile

		 m17n-config

		 m17n-core.pc

		 m17n-shell.pc

		 m17n-flt.pc

		 m17n-gui.pc

		 ])

dnl if test "x$XOM" = "xyes"; then

dnl  AC_CONFIG_FILES(omM17N/Makefile)

dnl fi

AC_OUTPUT

echo "The m17n library is configured with these external libraries."

echo " $M17N_EXT_LIBS"

dnl Local Variables:

dnl comment-start: "dnl "

dnl comment-end: ""

dnl comment-start-skip: "\\bdnl\\b\\s *"

dnl End: