# Configure paths for FreeType2

# Marcelo Magallon 2001-10-26, based on gtk.m4 by Owen Taylor

dnl AC_CHECK_FT2([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])

dnl Test for FreeType2, and define FT2_CFLAGS and FT2_LIBS

dnl

AC_DEFUN([AC_CHECK_FT2],

[dnl

dnl Get the cflags and libraries from the freetype-config script

dnl

AC_ARG_WITH(ft-prefix,

[  --with-ft-prefix=PREFIX

                          Prefix where FreeType is installed (optional)],

            ft_config_prefix="$withval", ft_config_prefix="")

AC_ARG_WITH(ft-exec-prefix,

[  --with-ft-exec-prefix=PREFIX

                          Exec prefix where FreeType is installed (optional)],

            ft_config_exec_prefix="$withval", ft_config_exec_prefix="")

AC_ARG_ENABLE(freetypetest,

[  --disable-freetypetest  Do not try to compile and run

                          a test FreeType program],

              [], enable_fttest=yes)

if test x$ft_config_exec_prefix != x ; then

  ft_config_args="$ft_config_args --exec-prefix=$ft_config_exec_prefix"

  if test x${FT2_CONFIG+set} != xset ; then

    FT2_CONFIG=$ft_config_exec_prefix/bin/freetype-config

  fi

fi

if test x$ft_config_prefix != x ; then

  ft_config_args="$ft_config_args --prefix=$ft_config_prefix"

  if test x${FT2_CONFIG+set} != xset ; then

    FT2_CONFIG=$ft_config_prefix/bin/freetype-config

  fi

fi

AC_PATH_PROG(FT2_CONFIG, freetype-config, no)

min_ft_version=ifelse([$1], ,6.1.0,$1)

AC_MSG_CHECKING(for FreeType - version >= $min_ft_version)

no_ft=""

if test "$FT2_CONFIG" = "no" ; then

  no_ft=yes

else

  FT2_CFLAGS=`$FT2_CONFIG $ft_config_args --cflags`

  FT2_LIBS=`$FT2_CONFIG $ft_config_args --libs`

  ft_config_major_version=`$FT2_CONFIG $ft_config_args --version | \

         sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`

  ft_config_minor_version=`$FT2_CONFIG $ft_config_args --version | \

         sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`

  ft_config_micro_version=`$FT2_CONFIG $ft_config_args --version | \

         sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`

  ft_min_major_version=`echo $min_ft_version | \

         sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`

  ft_min_minor_version=`echo $min_ft_version | \

         sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`

  ft_min_micro_version=`echo $min_ft_version | \

         sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`

  if test x$enable_fttest = xyes ; then

    ft_config_is_lt=""

    if test $ft_config_major_version -lt $ft_min_major_version ; then

      ft_config_is_lt=yes

    else

      if test $ft_config_major_version -eq $ft_min_major_version ; then

        if test $ft_config_minor_version -lt $ft_min_minor_version ; then

          ft_config_is_lt=yes

        else

          if test $ft_config_minor_version -eq $ft_min_minor_version ; then

            if test $ft_config_micro_version -lt $ft_min_micro_version ; then

              ft_config_is_lt=yes

            fi

          fi

        fi

      fi

    fi

    if test x$ft_config_is_lt = xyes ; then

      no_ft=yes

    else

      ac_save_CFLAGS="$CFLAGS"

      ac_save_CXXFLAGS="$CFLAGS"

      ac_save_LIBS="$LIBS"

      CFLAGS="$CFLAGS $FT2_CFLAGS"

      CXXFLAGS="$CXXFLAGS $FT2_CFLAGS"

      LIBS="$FT2_LIBS $LIBS"

dnl

dnl Sanity checks for the results of freetype-config to some extent

dnl

      AC_TRY_RUN([

#include <ft2build.h></ft2build.h>

#include FT_FREETYPE_H

#include <stdio.h></stdio.h>

#include <stdlib.h></stdlib.h>

int

main()

{

  FT_Library library;

  FT_Error error;

  error = FT_Init_FreeType(&library);

  if (error)

    return 1;

  else

  {

    FT_Done_FreeType(library);

    return 0;

  }

}

],, no_ft=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])

      CFLAGS="$ac_save_CFLAGS"

      CXXFLAGS="$ac_save_CXXFLAGS"

      LIBS="$ac_save_LIBS"

    fi             # test $ft_config_version -lt $ft_min_version

  fi               # test x$enable_fttest = xyes

fi                 # test "$FT2_CONFIG" = "no"

if test x$no_ft = x ; then

   AC_MSG_RESULT(yes)

   ifelse([$2], , :, [$2])

else

   AC_MSG_RESULT(no)

   if test "$FT2_CONFIG" = "no" ; then

     echo "*** The freetype-config script installed by FreeType 2 could not be found."

     echo "*** If FreeType 2 was installed in PREFIX, make sure PREFIX/bin is in"

     echo "*** your path, or set the FT2_CONFIG environment variable to the"

     echo "*** full path to freetype-config."

   else

     if test x$ft_config_is_lt = xyes ; then

       echo "*** Your installed version of the FreeType 2 library is too old."

       echo "*** If you have different versions of FreeType 2, make sure that"

       echo "*** correct values for --with-ft-prefix or --with-ft-exec-prefix"

       echo "*** are used, or set the FT2_CONFIG environment variable to the"

       echo "*** full path to freetype-config."

     else

       echo "*** The FreeType test program failed to run.  If your system uses"

       echo "*** shared libraries and they are installed outside the normal"

       echo "*** system library path, make sure the variable LD_LIBRARY_PATH"

       echo "*** (or whatever is appropiate for your system) is correctly set."

     fi

   fi

   FT2_CFLAGS=""

   FT2_LIBS=""

   ifelse([$3], , :, [$3])

fi

AC_SUBST(FT2_CFLAGS)

AC_SUBST(FT2_LIBS)

])