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# Public macros for the TeX Live (TL) tree.
# Copyright (C) 2009 Peter Breitenlohner <tex-live@tug.org>
#
# This file is free software; the copyright holder
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.

# serial 0

# KPSE_FREETYPE2_FLAGS
# --------------------
# Provide the configure options '--with-system-freetype2' (if in the TL tree).
#
# Set the make variables FREETYPE2_INCLUDES and FREETYPE2_LIBS to the CPPFLAGS and
# LIBS required for the `-lfreetype' library in libs/freetype2/ of the TL tree.
AC_DEFUN([KPSE_FREETYPE2_FLAGS],
[AC_REQUIRE([KPSE_ZLIB_FLAGS])[]dnl
AC_REQUIRE([_KPSE_CHECK_FT2_CONFIG])[]dnl
_KPSE_LIB_FLAGS([freetype2], [freetype], [],
                [BLD/libs/freetype2],
                [BLD/libs/freetype2/libfreetype.a],
                [FREETYPE2_LIBS=`cat $FREETYPE2_INCLUDES/ft-libs`
  FREETYPE2_INCLUDES=`cat $FREETYPE2_INCLUDES/ft-includes`],
                [], [${top_builddir}/../../libs/freetype2/ft2build.h])[]dnl
]) # KPSE_FREETYPE2_FLAGS

# KPSE_FREETYPE2_OPTIONS([WITH-SYSTEM])
# -------------------------------------
AC_DEFUN([KPSE_FREETYPE2_OPTIONS],
[m4_ifval([$1],
          [AC_ARG_WITH([system-freetype2],
                       AS_HELP_STRING([--with-system-freetype2],
                                      [use installed freetype2 headers and library (requires freetype-config)]))])[]dnl
]) # KPSE_FREETYPE2_OPTIONS

# KPSE_FREETYPE2_SYSTEM_FLAGS
# ---------------------------
AC_DEFUN([KPSE_FREETYPE2_SYSTEM_FLAGS],
[AC_REQUIRE([_KPSE_CHECK_FT2_CONFIG])[]dnl
if test -n `$FT2_CONFIG --ftversion 2>/dev/null`; then
  FREETYPE2_INCLUDES=`$FT2_CONFIG --cflags`
  FREETYPE2_LIBS=`$FT2_CONFIG --libs`
else
  AC_MSG_ERROR([Can not use installed freetype2 headers and library])
fi
]) # KPSE_FREETYPE2_SYSTEM_FLAGS

# _KPSE_CHECK_FT2_CONFIG
# ----------------------
# Check for freetype-config
AC_DEFUN([_KPSE_CHECK_FT2_CONFIG],
[AC_REQUIRE([AC_CANONICAL_HOST])[]dnl
AC_CHECK_TOOL([FT2_CONFIG], [freetype-config], [:])[]dnl
]) # _KPSE_CHECK_FT2_CONFIG