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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([gd_major], [2])[]dnl
m4_define([gd_minor], [0])[]dnl
m4_define([gd_micro], [35])[]dnl using unmodified gd-2.0.35 source tree
m4_define([gd_version], gd_major.gd_minor.gd_micro)[]dnl
AC_INIT([gd for TeX Live], gd_version, [tex-k@tug.org])
AC_PREREQ([2.63])
AC_CONFIG_SRCDIR([gd-]gd_version[/gd.c])
AC_CONFIG_AUX_DIR([../../build-aux])
AC_CONFIG_MACRO_DIR([../../m4])
AM_INIT_AUTOMAKE([foreign dist-bzip2])
AM_MAINTAINER_MODE
PNGLIB_MAJOR=gd_major()
PNGLIB_MINOR=gd_minor()
PNGLIB_RELEASE=gd_micro()
AC_SUBST([PNGLIB_MAJOR])
AC_SUBST([PNGLIB_MINOR])
AC_SUBST([PNGLIB_RELEASE])
AC_PROG_CC
AC_PROG_RANLIB
AC_PROG_LN_S
AC_CONFIG_HEADERS([config.h:config.hin])
# Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS([errno.h limits.h stddef.h stdlib.h string.h unistd.h])
# Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_TYPE_SIZE_T
AC_STRUCT_TM
# Checks for library functions.
AC_SEARCH_LIBS([sin], [m], , [AC_ERROR([cannot find sin])])
KPSE_ZLIB_FLAGS
KPSE_LIBPNG_FLAGS
AM_CONDITIONAL([build], [test "x$enable_build" != xno])
# Configure must not fail, or 'make dist' will fail as well; thus
# don't run any tests for '--disable-build', there may be no zlib.
if test "x$enable_build" != xno; then
KPSE_ADD_FLAGS([zlib])
AC_CHECK_FUNC([deflate], , [AC_ERROR([zlib not found])])
AC_CHECK_HEADERS([zlib.h], , [AC_ERROR([zlib not found])])
AC_DEFINE([HAVE_LIBZ], 1, [Define if you have zlib.])
KPSE_ADD_FLAGS([libpng])
AC_CHECK_FUNC([png_create_read_struct], , [AC_ERROR([libpng not found])])
AC_CHECK_HEADERS([png.h], , [AC_ERROR([libpng not found])])
AC_DEFINE([HAVE_LIBPNG], 1, [Define if you have the png library.])
KPSE_RESTORE_FLAGS
fi
GD_TREE=gd-[]gd_version
AC_SUBST([GD_TREE])
dnl Use $GD_TREE to exclude $GD_TREE/gd.h from DIST_COMMON
AC_CONFIG_LINKS([gd.h:$GD_TREE/gd.h])
AC_CONFIG_FILES([Makefile])
AC_OUTPUT
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