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dnl Process this file with autoconf to produce a configure script.
dnl
dnl Copyright (C) 2009 Peter Breitenlohner <tex-live@tug.org>
dnl
dnl This file is free software; the copyright holder
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl
m4_define([dvipng_version], [1.12])
dnl
#************************************************************************
#
# Part of the dvipng distribution
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# This program 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this program. If not, see
# <http://www.gnu.org/licenses/>.
#
# Copyright (C) 2002-2009 Jan-Åke Larsson
#
#************************************************************************
#
# Adapted for TeX Live
# All settings here are our fault, don't blame the dvipng maintainer for it.
#
#************************************************************************
AC_INIT([dvipng], dvipng_version, [tex-k@tug.org])
AC_PREREQ([2.63])
AC_CONFIG_SRCDIR([dvipng.c])
AC_CONFIG_AUX_DIR([../../build-aux])
AC_CONFIG_MACRO_DIR([../../m4])
dnl Common code for all programs using libkpathsea.
KPSE_COMMON([dvipng])
m4_include([ac/dvipng.ac])
if test "x$enable_debug" != xno; then
enable_debug=yes
AC_DEFINE([DEBUG], 1, [Define as 1 to get the debug (-d) option.])
fi
if test "x$enable_timing" = xyes; then
AC_DEFINE([TIMING], 1, [Define as 1 to get execution time output.])
fi
dnl Checks for programs.
dnl FIXME
AC_DEFINE_UNQUOTED([GS_PATH], ["gs"], [Define as the path to GhostScript.])
dnl Checks for libraries.
AC_SEARCH_LIBS([pow], [m])
AC_SEARCH_LIBS([basename], [gen])
dnl Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS([fcntl.h sys/time.h])
AC_HEADER_SYS_WAIT
AC_HEADER_TIME
AC_HEADER_STDBOOL
dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_TYPE_PID_T
AC_TYPE_SIZE_T
AC_TYPE_INT64_T
AC_TYPE_UINT64_T
dnl Checks for library functions.
AC_FUNC_ALLOCA
AC_FUNC_FORK
AC_FUNC_MALLOC
AC_FUNC_MMAP
AC_FUNC_STRTOD
AC_FUNC_VPRINTF
AC_CHECK_FUNCS([dup2 memset munmap pow putenv strchr strrchr strtol strstr])
if test "x$enable_timing" = xyes; then
AC_CHECK_FUNCS([ftime gettimeofday])
fi
dnl Documentation-related checks.
AC_PATH_PROG([MAKEINFO], [makeinfo], [:])
MAKEINFO_CHECK_MACROS([acronym env option])
AC_PATH_PROG([INSTALL_INFO], [install-info], [:], [$PATH /usr/sbin /sbin])
KPSE_KPATHSEA_FLAGS
KPSE_ZLIB_FLAGS
KPSE_LIBPNG_FLAGS
KPSE_T1LIB_FLAGS
KPSE_GD_FLAGS
KPSE_FREETYPE2_FLAGS
dnl We have to check properties of libraries, either installed (system)
dnl libraries or unistalled (possibly libtool) ones from the TL tree.
dnl Thus we can not use, e.g., AC_CHECK_LIB(LIB, FUNCTION)
dnl Checks for more libraries.
KPSE_ADD_FLAGS([zlib])
AC_CHECK_FUNC([deflate],
[AC_DEFINE([HAVE_LIBZ], 1,
[Define to 1 if you have the `z' library (-lz).])])
KPSE_ADD_FLAGS([libpng])
AC_CHECK_FUNC([png_read_image],
[AC_DEFINE([HAVE_LIBPNG], 1,
[Define to 1 if you have the `png' library (-lpng).])],
[AC_MSG_ERROR([cannot find/use libpng])])
KPSE_ADD_FLAGS([gd])
AC_CHECK_FUNC([gdImageCreate],
[AC_DEFINE([HAVE_LIBGD], 1,
[Define to 1 if you have the `gd' library (-lgd).])],
[AC_MSG_ERROR([cannot find/use libgd
This drawing library can be downloaded at http://www.boutell.com/gd])])
KPSE_ADD_FLAGS([kpathsea])
AC_CHECK_FUNC([kpse_set_progname],
[AC_DEFINE([HAVE_LIBKPATHSEA], 1,
[Define to 1 if you have the `kpathsea' library (-lkpathsea).])],
[AC_MSG_ERROR([cannot find/use libkpathsea])])
dnl We need enc, cmap, and sfd formats.
dnl Introduced together with opentype format (Dec 2003).
KPSE_CHECK_KPSE_FORMAT([opentype],
[AC_DEFINE([HAVE_KPSE_ENC_FORMATS], 1,
[Define to 1 if your kpathsea has kpse_enc_format.])])
KPSE_ADD_FLAGS([t1lib])
AC_CHECK_FUNC([T1_InitLib],
[have_ft2_or_t1=yes
AC_DEFINE([HAVE_LIBT1], 1,
[Define to 1 if you have the `t1' library (-lt1).])],
[have_ft2_or_t1=no])
AM_CONDITIONAL([have_t1], [test "x$ac_cv_func_T1_InitLib" = xyes])
KPSE_ADD_FLAGS([freetype2])
AC_CHECK_FUNC([FT_Init_FreeType],
[have_ft2_or_t1=yes
AC_DEFINE([HAVE_FT2], 1,
[Define to 1 if you have freetype2.])])
AM_CONDITIONAL([have_ft2], [test "x$ac_cv_func_FT_Init_FreeType" = xyes])
AM_CONDITIONAL([have_ft2_or_t1], [test "x$have_ft2_or_t1" = xyes])
dnl Checks for more header files.
AC_CHECK_HEADERS([gd.h png.h kpathsea/kpathsea.h], ,
[AC_MSG_ERROR([cannot find/use $ac_header])])
AC_CHECK_HEADERS([t1lib.h])
dnl Checks for library functions.
AC_CHECK_FUNCS([gdImageCreateTrueColor gdImageCreateFromJpeg gdImagePngEx gdImageCreateFromPngPtr gdImageGif FT_Library_Version])
AM_CONDITIONAL([have_gif], [test "x$ac_cv_func_gdImageGif" = xyes])
KPSE_RESTORE_FLAGS
DVIPNG_VERSION=dvipng_version
AC_SUBST([DVIPNG_VERSION])
AC_MSG_RESULT([
** Configuration summary for $PACKAGE_STRING:
The -d (debug) switch is enabled: $enable_debug
Your gd is new enough (>=2.0) to enable
the --truecolor switch, full alpha
transparency, proper rescaling of
included bitmaps, and jpeg inclusion: $ac_cv_func_gdImageCreateTrueColor
Your gd has jpeg inclusion enabled: $ac_cv_func_gdImageCreateFromJpeg
Your gd is new enough (>=2.0.12) to
enable transparent backgrounds for EPS
inclusion and the -z (compression)
switch: $ac_cv_func_gdImagePngEx
Your gd is new enough (>=2.0.21) to
allow image creation from memory $ac_cv_func_gdImageCreateFromPngPtr
Your gd is new enough (>=2.0.28) to
enable gif inclusion and output
(dvigif): $ac_cv_func_gdImageGif
FreeType font rendering available: $ac_cv_func_FT_Init_FreeType
Support for subfonts (CJK-LaTeX): $ac_cv_func_FT_Init_FreeType
T1lib font rendering available: $ac_cv_func_T1_InitLib
])
AC_CONFIG_HEADER([config.h])
AC_CONFIG_FILES([Makefile])
AC_OUTPUT
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