#

# Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.

# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

#

# This code is free software; you can redistribute it and/or modify it

# under the terms of the GNU General Public License version 2 only, as

# published by the Free Software Foundation.  Oracle designates this

# particular file as subject to the "Classpath" exception as provided

# by Oracle in the LICENSE file that accompanied this code.

#

# This code is distributed in the hope that it will be useful, but WITHOUT

# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

# version 2 for more details (a copy is included in the LICENSE file that

# accompanied this code).

#

# You should have received a copy of the GNU General Public License version

# 2 along with this work; if not, write to the Free Software Foundation,

# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

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# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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# questions.

#

################################################################################

# Setup fontconfig

################################################################################

AC_DEFUN_ONCE([LIB_SETUP_FONTCONFIG],

[

  AC_ARG_WITH(fontconfig, [AS_HELP_STRING([--with-fontconfig],

      [specify prefix directory for the fontconfig package

      (expecting the headers under PATH/include)])])

  AC_ARG_WITH(fontconfig-include, [AS_HELP_STRING([--with-fontconfig-include],

      [specify directory for the fontconfig include files])])

  if test "x$NEEDS_LIB_FONTCONFIG" = xfalse; then

    if (test "x${with_fontconfig}" != x && test "x${with_fontconfig}" != xno) || \

        (test "x${with_fontconfig_include}" != x && test "x${with_fontconfig_include}" != xno); then

      AC_MSG_WARN([[fontconfig not used, so --with-fontconfig[-*] is ignored]])

    fi

    FONTCONFIG_CFLAGS=

  else

    FONTCONFIG_FOUND=no

    if test "x${with_fontconfig}" = xno || test "x${with_fontconfig_include}" = xno; then

      AC_MSG_ERROR([It is not possible to disable the use of fontconfig. Remove the --without-fontconfig option.])

    fi

    if test "x${with_fontconfig}" != x; then

      AC_MSG_CHECKING([for fontconfig headers])

      if test -s "${with_fontconfig}/include/fontconfig/fontconfig.h"; then

        FONTCONFIG_CFLAGS="-I${with_fontconfig}/include"

        FONTCONFIG_FOUND=yes

        AC_MSG_RESULT([$FONTCONFIG_FOUND])

      else

        AC_MSG_ERROR([Can't find 'include/fontconfig/fontconfig.h' under ${with_fontconfig} given with the --with-fontconfig option.])

      fi

    fi

    if test "x${with_fontconfig_include}" != x; then

      AC_MSG_CHECKING([for fontconfig headers])

      if test -s "${with_fontconfig_include}/fontconfig/fontconfig.h"; then

        FONTCONFIG_CFLAGS="-I${with_fontconfig_include}"

        FONTCONFIG_FOUND=yes

        AC_MSG_RESULT([$FONTCONFIG_FOUND])

      else

        AC_MSG_ERROR([Can't find 'fontconfig/fontconfig.h' under ${with_fontconfig_include} given with the --with-fontconfig-include option.])

      fi

    fi

    if test "x$FONTCONFIG_FOUND" = xno; then

      # Are the fontconfig headers installed in the default /usr/include location?

      AC_CHECK_HEADERS([fontconfig/fontconfig.h], [

          FONTCONFIG_FOUND=yes

          FONTCONFIG_CFLAGS=

          DEFAULT_FONTCONFIG=yes

      ])

    fi

    if test "x$FONTCONFIG_FOUND" = xno; then

      HELP_MSG_MISSING_DEPENDENCY([fontconfig])

      AC_MSG_ERROR([Could not find fontconfig! $HELP_MSG ])

    fi

  fi

  AC_SUBST(FONTCONFIG_CFLAGS)

])