dnl This file is part of the CJK package ver. 4.8.5

dnl Copyright (C) 1994-2021  Werner Lemberg <[email protected]>

dnl This program is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU General Public License as published by
dnl the Free Software Foundation; either version 2 of the License, or
dnl (at your option) any later version.

dnl This program 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
dnl GNU General Public License for more details.

dnl You should have received a copy of the GNU General Public License
dnl along with this program in doc/COPYING; if not, write to the Free
dnl Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
dnl MA 02110-1301 USA

dnl Process this file with autoconf to produce a configure script.
AC_INIT
AC_CONFIG_SRCDIR([hbf.h])


dnl check host
AC_CANONICAL_TARGET([])


dnl Checks for programs.
AC_PROG_CC


AC_ARG_WITH(kpathsea-include,
           [  --with-kpathsea-include=DIR
                         location of the kpathsea include dir],[
 if test x$withval = xyes; then
   AC_MSG_WARN(Usage is: --with-kpathsea-include=includedir)
 else
   if test x$withval = xno; then
     AC_MSG_WARN(Usage is: --with-kpathsea-include=includedir)
   else
     kpathsea_include=$withval
   fi
 fi
])


dnl Checks for libraries.
AC_ARG_WITH(kpathsea-lib,
           [  --with-kpathsea-lib=DIR
                         location of the kpathsea lib dir],[
 if test x$withval = xyes; then
   AC_MSG_WARN(Usage is: --with-kpathsea-lib=libdir)
 else
   if test x$withval = xno; then
     AC_MSG_WARN(Usage is: --with-kpathsea-lib=libdir)
   else
     kpathsea_lib=$withval
   fi
 fi
])


if test -n "$kpathsea_include" -o -n "$kpathsea_lib"; then
 LIBS="$LIBS -L$kpathsea_lib"
 CPPFLAGS="$CPPFLAGS -I$kpathsea_include -I$srcdir"

 dnl the function kpse_set_program_name() is available since kpathsea 3.2
 AC_CHECK_LIB(kpathsea, kpse_set_program_name, , AC_DEFINE(OLD_KPATHSEA))

 AC_CHECK_LIB(kpathsea, kpse_init_prog, ,[
              AC_MSG_ERROR([Can't find kpathsea library! Use --with-kpathsea-lib option.])])

 dnl the header file kpathsea.h doesn't exist in kpathsea 2.6 and before
 AC_CHECK_HEADER(kpathsea/kpathsea.h, , AC_DEFINE(VERY_OLD_KPATHSEA))

 AC_CHECK_HEADER(kpathsea/c-auto.h, ,[
                 AC_MSG_ERROR([Can't find kpathsea include files! Use --with-kpathsea-include option.])])
else
 CPPFLAGS="$CPPFLAGS -I$srcdir"
fi


dnl Get compiler flags right.
if test "x$CC" = xgcc; then
       XX_CFLAGS="-Wall"
else
       case "$host" in
               alpha-dec-osf*)
               XX_CFLAGS="-std1 -O2 -g3"
               ;;
               *)
               XX_CFLAGS=
               ;;
       esac
fi
AC_SUBST(XX_CFLAGS)


dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_STRUCT_TM


dnl Checks for library functions.
AC_FUNC_VPRINTF
AC_CHECK_FUNCS(strdup strstr strtol strtoul)

dnl we need this for hbf.c
if test "x$ac_cv_func_strdup" = xno; then
 no_strdup=-DNO_STRDUP
fi
AC_SUBST(no_strdup)

AC_CHECK_PROG(RM, rm, rm)
AC_PROG_INSTALL

if test -z "$kpathsea_include" -a -z "$kpathsea_lib"; then
 AC_MSG_WARN([

   hbf2gf will be compiled without file search library support!
   For kpathsea support use the --with-kpathsea-lib and
   --with-kpathsea-include options.
             ])
fi

AC_CONFIG_FILES([Makefile])
AC_OUTPUT

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