Temp save for Monty.
[awesomized/libmemcached] / m4 / pandora_have_libz.m4
1 dnl Copyright (C) 2009 Sun Microsystems
2 dnl This file is free software; Sun Microsystems
3 dnl gives unlimited permission to copy and/or distribute it,
4 dnl with or without modifications, as long as this notice is preserved.
5
6 #--------------------------------------------------------------------
7 # Check for libz
8 #--------------------------------------------------------------------
9
10
11 AC_DEFUN([_PANDORA_SEARCH_LIBZ],[
12 AC_REQUIRE([AC_LIB_PREFIX])
13
14 AC_LIB_HAVE_LINKFLAGS(z,,
15 [
16 #include <zlib.h>
17 ],[
18 crc32(0, Z_NULL, 0);
19 ])
20
21 AM_CONDITIONAL(HAVE_LIBZ, [test "x${ac_cv_libz}" = "xyes"])
22 ])
23
24 AC_DEFUN([_PANDORA_HAVE_LIBZ],[
25
26 AC_ARG_ENABLE([libz],
27 [AS_HELP_STRING([--disable-libz],
28 [Build with libz support @<:@default=on@:>@])],
29 [ac_enable_libz="$enableval"],
30 [ac_enable_libz="yes"])
31
32 _PANDORA_SEARCH_LIBZ
33 ])
34
35
36 AC_DEFUN([PANDORA_HAVE_LIBZ],[
37 AC_REQUIRE([_PANDORA_HAVE_LIBZ])
38 ])
39
40 AC_DEFUN([_PANDORA_REQUIRE_LIBZ],[
41 ac_enable_libz="yes"
42 _PANDORA_SEARCH_LIBZ
43
44 AS_IF([test x$ac_cv_libz = xno],[
45 AC_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.])
46 ])
47 ])
48
49 AC_DEFUN([PANDORA_REQUIRE_LIBZ],[
50 AC_REQUIRE([_PANDORA_REQUIRE_LIBZ])
51 ])