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dnl Process this file with autoconf to produce a configure script.
dnl
dnl Copyright (C) 2009, 2010 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
dnl *********************************************************************
dnl
dnl Adapted for TeX Live from dvipng-1.12/configure.ac
dnl Copyright (C) 2002-2008 Jan-Åke Larsson
dnl
dnl *********************************************************************
dnl
m4_define([dvipng_version], [1.14])[]dnl using unmodified dvipng source tree
AC_INIT([dvipng], dvipng_version, [tex-k@tug.org])
AC_PREREQ([2.65])
AC_CONFIG_SRCDIR([dvipng-]dvipng_version[/dvipng.c])
AC_CONFIG_AUX_DIR([../../build-aux])
AC_CONFIG_MACRO_DIR([../../m4])
# Common code for all programs using libkpathsea.
KPSE_COMMON([dvipng])
# Configure options for dvipng also shown at the TeX Live top-level.
m4_include([ac/dvipng.ac])
AC_CANONICAL_HOST
AM_CONDITIONAL([cross], [test "x$cross_compiling" = xyes])
if test "x$enable_debug" != xno; then
enable_debug=yes
AC_DEFINE([DEBUG], 1, [Define as 1 to get the debug (-d) option.])
fi
if test "x$enable_timing" = xyes; then
AC_DEFINE([TIMING], 1, [Define as 1 to get execution time output.])
fi
# Checks for programs.
# For a native TeX Live build '--with-gs' is ignored.
AS_IF([test "x$enable_native_texlive_build" = xyes],
[with_gs=])
AS_CASE([$with_gs],
["" | yes | no], [AC_CHECK_PROG([GS], [gs], [gs])],
[AC_PATH_PROG([GS], ["$with_gs"])])
AS_IF([test -n "$GS"],
[GS_CHECK_DEVICES],
[AC_MSG_WARN([Cannot find GhostScript in your PATH])
GS=gs])
AC_DEFINE_UNQUOTED([GS_PATH], ["$GS"], [Define as the path to GhostScript.])
# Checks for libraries.
AC_SEARCH_LIBS([pow], [m])
AC_SEARCH_LIBS([basename], [gen])
# 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
# Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_TYPE_PID_T
AC_TYPE_INT64_T
AC_TYPE_UINT64_T
# 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$enable_timing" = xyes; then
AC_CHECK_FUNCS([ftime gettimeofday])
fi
# Documentation-related checks.
AC_PATH_PROG([MAKEINFO], [makeinfo], [:])
MAKEINFO_CHECK_MACROS([acronym env option])
AC_PATH_PROG([INSTALL_INFO], [install-info], [:], [$PATH /usr/sbin /sbin])
# SELFAUTO -- not used when built as part of the TeX Live tree.
# We have to check properties of libraries, either installed (system)
# libraries or unistalled (possibly libtool) ones from the TeX Live tree.
# Thus we can not use, e.g., AC_CHECK_LIB(LIB, FUNCTION)
KPSE_KPATHSEA_FLAGS
KPSE_ZLIB_FLAGS
KPSE_LIBPNG_FLAGS
KPSE_T1LIB_FLAGS
KPSE_FREETYPE2_FLAGS
KPSE_GD_FLAGS
# Assume we have t1lib and freetype2.
have_t1=yes
have_ft2=yes
if test "x$enable_build" != xno || test -f config.force; then
# 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([t1lib])
AC_CHECK_FUNC([T1_InitLib],
[AC_DEFINE([HAVE_LIBT1], 1,
[Define to 1 if you have the `t1' library (-lt1).])],
[have_t1=no])
KPSE_ADD_FLAGS([freetype2])
AC_CHECK_FUNC([FT_Init_FreeType],
[AC_DEFINE([HAVE_FT2], 1,
[Define to 1 if you have freetype2.])],
[have_ft2=no])
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_program_name],
[AC_DEFINE([HAVE_LIBKPATHSEA], 1,
[Define to 1 if you have the `kpathsea' library (-lkpathsea).])],
[AC_MSG_ERROR([cannot find/use libkpathsea])])
# We need enc, cmap, and sfd formats.
# 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.])])
# Checks for more header files.
AC_CHECK_HEADERS([gd.h png.h kpathsea/kpathsea.h], ,
[AC_MSG_ERROR([cannot find/use $ac_header])])
AC_CHECK_HEADERS([t1lib.h])
# Checks for more library functions.
AC_CHECK_FUNCS([gdImageCreateTrueColor gdImageCreateFromJpeg gdImagePngEx gdImageCreateFromPngPtr gdImageGif FT_Library_Version])
KPSE_RESTORE_FLAGS
echo timestamp >config.force
fi
AM_CONDITIONAL([have_t1], [test "x$have_t1" = xyes])
AM_CONDITIONAL([have_ft2], [test "x$have_ft2" = xyes])
AM_CONDITIONAL([have_ft2_or_t1], [test "x$have_ft2:$have_t1" != xno:no])
AM_CONDITIONAL([have_gif], [test "x$ac_cv_func_gdImageGif" = xyes])
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_HEADERS([config.h])
AC_SUBST([DVIPNG_TREE], [dvipng-]dvipng_version)
AC_CONFIG_FILES([Makefile help/Makefile doc/Makefile])
AC_OUTPUT
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