summaryrefslogtreecommitdiff
path: root/configure.ac
blob: f3cb7568f8794187e1e6c7f70e20513d3c1dc182 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
#                                               -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.

AC_INIT([cifs-utils], [4.4.1], [cifs-utils@samba.org], [cifs-utils], [http://linux-cifs.samba.org/cifs-utils/])
AC_CONFIG_SRCDIR([replace.h])
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_FILES([Makefile])
AC_CONFIG_MACRO_DIR(aclocal)

AM_INIT_AUTOMAKE

# "with" options
AC_ARG_ENABLE(cifsupcall,
	[AC_HELP_STRING([--enable-cifsupcall],
			[Create cifs.upcall binary @<:@default=yes@:>@])],
	enable_cifsupcall=$enableval,
	enable_cifsupcall="maybe")

# Checks for programs.
AC_PROG_CC
AC_GNU_SOURCE

# Checks for header files.
AC_CHECK_HEADERS([arpa/inet.h fcntl.h inttypes.h limits.h mntent.h netdb.h stddef.h stdint.h stdlib.h string.h strings.h sys/mount.h sys/param.h sys/socket.h sys/time.h syslog.h unistd.h], , [AC_MSG_ERROR([necessary header(s) not found])])

if test $enable_cifsupcall != "no"; then
	AC_CHECK_HEADERS([krb5.h krb5/krb5.h])
	if test x$ac_cv_header_krb5_krb5_h != xyes ; then
		if test x$ac_cv_header_krb5_h != xyes ; then
			if test "$enable_cifsupcall" = "yes"; then
				AC_MSG_ERROR([krb5.h not found, consider installing krb5-libs-devel.])
			else
				AC_MSG_WARN([krb5.h not found, consider installing krb5-libs-devel. Disabling cifs.upcall.])
				enable_cifsupcall="no"
			fi
		fi
	fi
fi
if test $enable_cifsupcall != "no"; then
	if test x$ac_cv_header_krb5_krb5_h = xyes ; then
		krb5_include="#include <krb5/krb5.h>"
	fi
	if test x$ac_cv_header_krb5_h = xyes ; then
		krb5_include="#include <krb5.h>"
	fi

	AC_CACHE_CHECK([for keyvalue in krb5_keyblock],
		[ac_cv_have_krb5_keyblock_keyvalue],[
			AC_TRY_COMPILE([$krb5_include],
			[krb5_keyblock key; key.keyvalue.data = NULL;],
			ac_cv_have_krb5_keyblock_keyvalue=yes,
			ac_cv_have_krb5_keyblock_keyvalue=no)])
	if test x"$ac_cv_have_krb5_keyblock_keyvalue" = x"yes" ; then
		AC_DEFINE(HAVE_KRB5_KEYBLOCK_KEYVALUE,1,
			[Whether the krb5_keyblock struct has a keyvalue property])
	fi
fi
if test $enable_cifsupcall != "no"; then
	AC_CHECK_HEADERS([talloc.h], , [
				if test "$enable_cifsupcall" = "yes"; then
					AC_MSG_ERROR([talloc.h not found, consider installing libtalloc-devel.])
				else
					AC_MSG_WARN([talloc.h not found, consider installing libtalloc-devel. Disabling cifs.upcall.])
					enable_cifsupcall="no"
				fi
			])
fi
if test $enable_cifsupcall != "no"; then
	AC_CHECK_HEADERS([keyutils.h], , [
				if test "$enable_cifsupcall" = "yes"; then
					AC_MSG_ERROR([keyutils.h not found, consider installing keyutils-libs-devel.])
				else
					AC_MSG_WARN([keyutils.h not found, consider installing keyutils-libs-devel. Disabling cifs.upcall.])
					enable_cifsupcall="no"
				fi
			])
fi
if test $enable_cifsupcall != "no"; then
	AC_CHECK_LIB([krb5], [krb5_init_context],
			[ KRB5_LDADD='-lkrb5' ],
			AC_MSG_ERROR([no functioning krb5 library found!]))
	AC_SUBST(KRB5_LDADD)
fi

# Checks for typedefs, structures, and compiler characteristics.
AC_HEADER_STDBOOL
AC_TYPE_UID_T
AC_TYPE_OFF_T
AC_TYPE_PID_T
AC_TYPE_SIZE_T
AC_CHECK_TYPES([ptrdiff_t, ssize_t, uint32_t, uint8_t])

# Checks for library functions.
AC_FUNC_GETMNTENT
AC_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK
AC_FUNC_MALLOC
AC_FUNC_REALLOC
AC_FUNC_STRNLEN

# check for required functions
AC_CHECK_FUNCS([alarm atexit endpwent getmntent getpass gettimeofday inet_ntop memset realpath setenv strchr strdup strerror strncasecmp strndup strpbrk strrchr strstr strtol strtoul uname], , [AC_MSG_ERROR([necessary functions(s) not found])])

# ugly, but I'm not sure how to check for functions in a library that's not in $LIBS
cu_saved_libs=$LIBS
LIBS="$LIBS $KRB5_LDADD"

# determine whether we can use MIT's new 'krb5_auth_con_getsendsubkey' to extract the signing key
if test $enable_cifsupcall != "no"; then
	AC_CHECK_FUNCS([krb5_auth_con_getsendsubkey])
fi

# non-critical functions (we have workarounds for these)
if test $enable_cifsupcall != "no"; then
	AC_CHECK_FUNCS([krb5_principal_get_realm krb5_free_unparsed_name])
fi

LIBS=$cu_saved_libs

AM_CONDITIONAL(CONFIG_CIFSUPCALL, [test "$enable_cifsupcall" != "no"])

LIBCAP_NG_PATH

if test "x$CAPNG_LDADD" = "x"; then
	AC_LIBCAP
fi
AC_OUTPUT