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# Public macros for the teTeX / TeX Live (TL) tree.
# Copyright (C) 1998 - 2008 Jin-Hwan Cho <chofchof@ktug.or.kr>
# Copyright (C) 2008 - 2009 Peter Breitenlohner <tex-live@tug.org>
#
# This file is free software; the copyright holders
# give unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
# serial 2
# CHO_CHECK_ZLIB
# --------------
# Check for zlib
AC_DEFUN([CHO_CHECK_ZLIB],
[AC_CACHE_CHECK([for zlib header files and library],
[cho_cv_have_zlib],
[AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <zlib.h>]],
[[z_stream p;]])],
[cho_cv_have_zlib=yes],
[cho_cv_have_zlib=no])])
AS_IF([test "x$cho_cv_have_zlib" = xyes],
[AC_CHECK_FUNCS([compress],
[AC_DEFINE([HAVE_ZLIB], 1,
[Define if you have zlib and its headers.])
AC_CHECK_FUNCS([compress2],
[AC_DEFINE([HAVE_ZLIB_COMPRESS2], 1,
[Define if your zlib has the compress2 function.])])])])
])# CHO_CHECK_ZLIB
# CHO_CHECK_LIBPNG
# ----------------
# Check for libpng
AC_DEFUN([CHO_CHECK_LIBPNG],
[AC_CACHE_CHECK([for libpng header files and library],
[cho_cv_have_png],
[AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <png.h>]],
[[png_infop p;]])],
[cho_cv_have_png=yes],
[cho_cv_have_png=no])])
AS_IF([test "x$cho_cv_have_png" = xyes],
[AC_CHECK_FUNCS([png_get_image_width],
[AC_DEFINE([HAVE_LIBPNG], 1,
[Define if you have libpng and its headers.])])])
])# CHO_CHECK_LIBPNG
# CHO_CHECK_LIBPAPER
# ------------------
# Check for libpaper
AC_DEFUN([CHO_CHECK_LIBPAPER],
[_cppflags=$CPPFLAGS _ldflags=$LDFLAGS
AC_ARG_WITH([paper],
[AS_HELP_STRING([--with-paper=DIR], [use paper include/library files from DIR])],
[if test -d "$withval"; then
CPPFLAGS="$CPPFLAGS -I$withval/include"
LDFLAGS="$LDFLAGS -L$withval/lib"
fi])
AC_MSG_CHECKING([for paper header files])
AC_TRY_COMPILE(
[#include <paper.h>],
[struct paper *p;],
[AC_MSG_RESULT(yes)
AC_SEARCH_LIBS([paperpswidth], [paper],
[AC_DEFINE(HAVE_LIBPAPER, 1, [Define if you have libpaper])])],
[CPPFLAGS=$_cppflags
LDDFLAGS=$_ldflags
AC_MSG_RESULT(no)])
])# CHO_CHECK_LIBPAPER
# CHO_CHECK_LIBFONTCONFIG
# -----------------------
# Check for libfontconfig
AC_DEFUN([CHO_CHECK_LIBFONTCONFIG],
[_cppflags=$CPPFLAGS _ldflags=$LDFLAGS
have_libfontconfig=no
AC_ARG_WITH([fontconfig],
[AS_HELP_STRING([--with-fontconfig=DIR],[use fontconfig include/library files from DIR])],
[if test -d "$withval"; then
CPPFLAGS="$CPPFLAGS -I$withval/include"
LDFLAGS="$LDFLAGS -L$withval/lib"
FONTCONFIGLDFLAGS="-L$withval/lib"
fi])
AC_MSG_CHECKING([for fontconfig header files])
AC_TRY_COMPILE(
[#include <fontconfig/fontconfig.h>],
[FcObjectSet *os;],
[AC_MSG_RESULT(yes)
AC_SEARCH_LIBS([FcInit], [fontconfig],
[AC_DEFINE([HAVE_LIBFONTCONFIG], 1, [Define if you have libfontconfig])
have_libfontconfig=yes])],
[CPPFLAGS=$_cppflags
LDDFLAGS=$_ldflags
AC_MSG_RESULT(no)])
])# CHO_CHECK_LIBFONTCONFIG
# CHO_CHECK_LIBFREETYPE(PACKAGE-NAME)
# -----------------------------------
# Check for libfreetype, fail with error if not found
AC_DEFUN([CHO_CHECK_LIBFREETYPE],
[AC_CACHE_CHECK([for freetype2 header files and library],
[cho_cv_have_freetype],
[AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <ft2build.h>
#include FT_FREETYPE_H]],
[[FT_Face face;]])],
[cho_cv_have_freetype=yes],
[cho_cv_have_freetype=no])])
AS_IF([test "x$cho_cv_have_freetype" = xyes],
[AC_CHECK_FUNCS([FT_Init_FreeType],
[AC_DEFINE([HAVE_LIBFREETYPE], 1,
[Define if you have libfreetype and its headers.])])],
[KPSE_MSG_ERROR([$1],
[This version of $1 requires that FreeType2 and its headers be available.
You can use the --with-freetype2-includes and/or --with-freetype2-libdir options
to indicate the location of the installed freetype2 library and headers.])])
])# CHO_CHECK_LIBFREETYPE
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