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dnl Copyright (C) 2009 Sun Microsystems, Inc.
dnl This file is free software; Sun Microsystems, Inc.
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
#--------------------------------------------------------------------
# Check for libz
#--------------------------------------------------------------------
AC_DEFUN([_PANDORA_SEARCH_LIBZ],[
AC_REQUIRE([AC_LIB_PREFIX])
AC_LIB_HAVE_LINKFLAGS(z,,
[
#include <zlib.h>
],[
crc32(0, Z_NULL, 0);
])
AM_CONDITIONAL(HAVE_LIBZ, [test "x${ac_cv_libz}" = "xyes"])
])
AC_DEFUN([_PANDORA_HAVE_LIBZ],[
AC_ARG_ENABLE([libz],
[AS_HELP_STRING([--disable-libz],
[Build with libz support @<:@default=on@:>@])],
[ac_enable_libz="$enableval"],
[ac_enable_libz="yes"])
_PANDORA_SEARCH_LIBZ
])
AC_DEFUN([PANDORA_HAVE_LIBZ],[
AC_REQUIRE([_PANDORA_HAVE_LIBZ])
])
AC_DEFUN([_PANDORA_REQUIRE_LIBZ],[
ac_enable_libz="yes"
_PANDORA_SEARCH_LIBZ
AS_IF([test x$ac_cv_libz = xno],[
PANDORA_MSG_ERROR([libz is required for ${PACKAGE}. On Debian this can be found in zlib1g-dev. On RedHat this can be found in zlib-devel.])
])
])
AC_DEFUN([PANDORA_REQUIRE_LIBZ],[
AC_REQUIRE([_PANDORA_REQUIRE_LIBZ])
])
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