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dnl This file is part of the FreeType project, and may only be used,
dnl modified, and distributed under the terms of the FreeType project
dnl license, LICENSE.TXT.  By continuing to use, modify, or distribute
dnl this file you indicate that you have read the license and understand
dnl and accept it fully.
dnl
dnl Process this file with autoconf to produce a configure script.

AC_INIT(lib/freetype.h)

dnl Due to a bug in autoconf we must set $srcdir explicitly to an absolute
dnl path.
srcdir=`cd $srcdir; pwd`

AM_DISABLE_STATIC
AC_LIBTOOL_WIN32_DLL
AM_PROG_LIBTOOL

dnl FreeType version
freetype_version='1.5'

dnl libttf.so version
version_info='6:0:4'

AC_ARG_ENABLE(nls,
              [  --disable-nls           don't use NLS],
              USE_NLS=no, USE_NLS=yes)
AC_SUBST(USE_NLS)

dnl Checks for system type.
AC_CANONICAL_SYSTEM

dnl Checks for programs.
AC_PROG_CC
AC_PROG_CPP

dnl get Compiler flags right.

if test "x$CC" = xgcc; then
  XX_CFLAGS="-Wall -pedantic -ansi -D_REENTRANT"
else
  case "$host" in
    *-dec-osf*)
      XX_CFLAGS="-std1 -O2 -g3"
      ;;
    *)
      XX_CFLAGS=
      ;;
  esac
fi
AC_SUBST(XX_CFLAGS)

dnl at least Digital UNIX 4.0d needs this due to a strange make program

case "$host" in
  *-dec-osf*)
    ln -s ../../MakeSub lib/arch
    ln -s ../../MakeSub test/arch
    ;;
esac

AC_SUBST(freetype_version)
AC_SUBST(version_info)


dnl NLS/gettext nightmare^H^H^H^H^H^H^H^H^H^H support...

if test "$USE_NLS" = "yes"; then
  AC_REQUIRE([AC_PROG_MAKE_SET])
  AC_CHECK_HEADERS(locale.h)
  AC_CHECK_FUNCS(setlocale)
  AC_SUBST(HAVE_LOCALE_H)  

  AC_CHECK_HEADERS(libintl.h)
  AC_SUBST(HAVE_LIBINTL_H)  

  ALL_LINGUAS="de fr cs nl es"

  dnl We now need to check whether the "intl" library is available.
  dnl The bad news is that a number of possibilities can happen:
  dnl  a) GNU gettext support is already available from the (modern) libc
  dnl  b) some version of gettext is available as standalone "intl" lib
  dnl    No real problem (this was the only case previously detected)
  dnl  c) a recent version of gettext is used, and it needs the
  dnl    (separate) "iconv" library to work
  dnl
  dnl This test has been adapted from gettext.m4, written by Bruno Haible
  LIBINTL=
  LTLIBINTL=

  dnl First, test case a)
  AC_CACHE_CHECK([for GNU gettext in libc], ftgt_cv_func_gnugettext_libc,
      [AC_TRY_LINK([
#include <libintl.h>
extern int _nl_msg_cat_cntr;
extern int *_nl_domain_bindings;
          ],[
bindtextdomain ("", "");
return (int) gettext ("") + _nl_msg_cat_cntr + *_nl_domain_bindings
          ], ftgt_cv_func_gnugettext_libc=yes,
             ftgt_cv_func_gnugettext_libc=no)])

  if test "$ftgt_cv_func_gnugettext_libc" != "yes"; then
    dnl It does not come for free. Let's check case b),
    dnl id est see whether libintl exists and does not depend on libiconv.
    AC_CHECK_LIB(intl, gettext)

    if test "$ac_cv_lib_intl_gettext" != "yes"; then
      dnl Does not work; so let's check case c),
      dnl id est see whether libintl exists and depends on libiconv.
      AC_CACHE_CHECK([for GNU gettext in libintl, using libiconv], 
        ftgt_cv_func_gnugettext_libintliconv,
        [AC_CHECK_LIB(intl, bindtextdomain,
             ftgt_cv_func_gnugettext_libintliconv=yes LIBS="$LIBS -lintl -liconv",
            [ftgt_cv_func_gnugettext_libintliconv=no
                     dnl No NLS support then!
                     USE_NLS=no],
             -liconv)])
    fi
  fi
fi

if test "$USE_NLS" = "yes"; then
  dnl Handle localedir
  LOCALEDIR='${prefix}/share/locale'
  AC_ARG_WITH(locale-dir,
  [  --with-locale-dir=DIR   Location of the locale file(s)
                          [PREFIX/share/locale]],[
    if test x$withval = xyes; then
      AC_MSG_WARN(Usage is: --with-locale-dir=basedir)
    else
      if test x$withval = xno; then
        AC_MSG_WARN(Usage is: --with-locale-dir=basedir)
      else
        LOCALEDIR=$withval
      fi
    fi
  ])
  AC_SUBST(LOCALEDIR)

  AC_PATH_PROG(MSGFMT, msgfmt, $MSGFMT)
  if test -n "$MSGFMT"; then
    AC_CHECK_FUNCS(dcgettext)
    AC_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT)
    AC_PATH_PROG(XGETTEXT, xgettext, $XGETTEXT)
    AC_PATH_PROG(MSGMERGE, msgmerge, $MSGMERGE)

    dnl Test whether we really found GNU xgettext.
    if test -n "$XGETTEXT"; then
      if $XGETTEXT --omit-header /dev/null 2> /dev/null; then
        : ;
      else
        AC_MSG_RESULT(
          [found xgettext program is not GNU xgettext; ignore it])
        XGETTEXT=""
      fi
    fi

    dnl We add another test for comparing GNU xgettext with openwin xgettext
    if test -n "$XGETTEXT"; then
      if $XGETTEXT --help > /dev/null 2> /dev/null; then
        : ;
      else
        AC_MSG_RESULT(
          [found xgettext program is not GNU xgettext; ignore it])
        XGETTEXT=""
      fi
    fi

    dnl Test whether we really found GNU msgfmt.
    if test -n "$MSGFMT"; then
      if $MSGFMT < /dev/null 2> /dev/null; then
        AC_MSG_RESULT(
          [found msgfmt program is not GNU msgfmt; NLS won't be installed])
        MSGFMT=""
      fi
    fi

    AC_TRY_LINK(,
                [extern int _nl_msg_cat_cntr;
                 return _nl_msg_cat_cntr],
                [CATOBJEXT=.gmo
                 DATADIRNAME=share],  
                [CATOBJEXT=.mo
                 DATADIRNAME=lib])
    INSTOBJEXT=.mo
  fi

  if test -n "$ALL_LINGUAS"; then
    for lang in $ALL_LINGUAS; do
      CATALOGS="$CATALOGS $lang$CATOBJEXT"
    done
  fi
  AC_SUBST(CATALOGS)
  AC_SUBST(CATOBJEXT)
  AC_SUBST(INSTOBJEXT)
  AC_SUBST(DATADIRNAME)
fi

dnl don't use NLS, when there is no gettext installed
if test x"$MSGFMT" = x; then
  USE_NLS=no
fi


AC_CHECK_PROG(RM, rm, rm)
AC_CHECK_PROG(RMDIR, rmdir, rmdir)
AC_PROG_INSTALL
AC_PROG_LN_S

dnl Checks for libraries.
sinclude(net.m4)
AC_LIBRARY_NET
AC_CHECK_LIB(m, cos)

dnl Checks for header files.
AC_PATH_XTRA
dnl Don't compile X programs (and emit a warning message)
dnl if X isn't available.
if test "$no_x" = yes; then
  AC_MSG_WARN([Test programs needing X11 won't be compiled.])
else
  X_PROGRAMS="\$(X_PROGRAMS)"
  AC_SUBST(X_PROGRAMS)
fi

AC_CHECK_HEADERS(stdlib.h fcntl.h unistd.h)

dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_CHECK_SIZEOF(int)
AC_CHECK_SIZEOF(long)

dnl Checks for library functions.

dnl Here we check whether we can use our mmap file component.
AC_FUNC_MMAP
if test "$ac_cv_func_mmap_fixed_mapped" != yes; then
  TT_FILE_COMPONENT=ttfile.c
else
  TT_FILE_COMPONENT=arch/unix/ttmmap.c
fi
AC_SUBST(TT_FILE_COMPONENT)

AC_CHECK_FUNCS(memcpy memmove)

AC_CONFIG_HEADER(ft_conf.h)

dnl Another bug: to make --srcdir work correctly we have to create the
dnl directory hierarchy first since autoconf only uses mkdir.
$srcdir/mkinstalldirs lib/arch/unix test/arch/unix

KPSE_CONFIG_FILES(Makefile
           MakeSub
           lib/arch/unix/Makefile
           test/arch/unix/Makefile 
           po/Makefile.in,
          [sed -e "/POTFILES =/r po/POTFILES" po/Makefile.in > po/Makefile])
AC_OUTPUT


dnl end of configure.in