audit: Support multiple audit interfaces and interface options
[openafs.git] / src / cf / roken.m4
1
2 AC_DEFUN([_OPENAFS_ROKEN_INTERNAL], [
3   DIR_roken=roken
4   CPPFLAGS_roken=
5   LDFLAGS_roken="-L\$(TOP_LIBDIR)"
6   LIB_roken=-lrokenafs
7   buildtool_roken="\$(TOP_OBJDIR)/src/roken/librokenafs.a"
8 ])
9
10 dnl _OPENAFS_ROKEN_PATHS()
11 dnl Set CPPFLAGS_roken, LDFLAGS_roken, and LIB_roken based on the values
12 dnl of roken_root, roken_libdir, and roken_includedir.
13 AC_DEFUN([_OPENAFS_ROKEN_PATHS], [
14   AS_IF([test x"$roken_libdir" != x],
15     [LDFLAGS_roken="-L$roken_libdir"],
16     [AS_IF([test x"$roken_root" != x],
17       [LDFLAGS_roken="-L$roken_root/lib"])])
18   AS_IF([test x"$roken_includedir" != x],
19     [CPPFLAGS_roken="-I$roken_includedir"],
20     [AS_IF([test x"$roken_root" != x],
21       [CPPFLAGS_roken="-I$roken_root/include"])])
22   LIB_roken="-lroken"
23   buildtool_roken="\$(LDFLAGS_roken) \$(LIB_roken)"])
24
25 dnl _OPENAFS_ROKEN_CHECK($action-if-found,
26 dnl                          $action-if-not-found)
27 dnl Find a roken library using $roken_root, $roken_libdir, and $roken_includedir
28 dnl
29 dnl If none of the three paths are specified,
30 dnl try to find one in the standard locations on the system.
31 dnl
32 dnl If we fail, and at least one path was given, then error out. Otherwise,
33 dnl fall back to the internal roken implementation.
34 AC_DEFUN([_OPENAFS_ROKEN_CHECK], [
35
36   _OPENAFS_ROKEN_PATHS
37   save_CPPFLAGS=$CPPFLAGS
38   save_LDFLAGS=$LDFLAGS
39   save_LIBS=$LIBS
40   AS_IF([test x"$CPPFLAGS_roken" != x],
41         [CPPFLAGS="$CPPFLAGS_roken $CPPFLAGS"])
42   AS_IF([test x"$LDFLAGS_roken" != x],
43         [LDFLAGS="$LDFLAGS_roken $LDFLAGS"])
44   AS_IF([test x"$roken_libdir" != x || test x"$roken_includedir" != x],
45         [checkstr=" with specified include and lib paths"],
46         [AS_IF([test x"$roken_root" != x],
47                 [checkstr=" in $roken_root"])])
48
49   AC_MSG_CHECKING([for usable system libroken$checkstr])
50
51   LIBS="$LIBS $LIB_roken"
52   dnl Need to be careful what we check for here, as libroken contains
53   dnl different symbols on different platforms. We cannot simply check
54   dnl if e.g. rk_rename is a symbol or not, since on most platforms it
55   dnl will be a preprocessor define, but on others it will be a symbol.
56   dnl
57   dnl Also note that we need to check for the specific functionality in
58   dnl roken that we use, not just the existence of the library itself,
59   dnl since older versions of roken do not contain all of the functions
60   dnl we need. It may not be practical to check everything we use, so
61   dnl just add functions to check here as we find installations where
62   dnl this breaks.
63   AC_LINK_IFELSE(
64    [AC_LANG_PROGRAM(
65     [[#include <roken.h>]],
66     [[ct_memcmp(NULL, NULL, 0); rk_rename(NULL, NULL);]])],
67    [roken_found=true
68     AC_MSG_RESULT([yes])],
69    [AC_MSG_RESULT([no])])
70
71   CPPFLAGS=$save_CPPFLAGS
72   LDFLAGS=$save_LDFLAGS
73   LIBS=$save_LIBS
74
75   AS_IF([test x"$roken_found" = xtrue],
76          [$1], [$2])
77 ])
78
79 AC_DEFUN([OPENAFS_ROKEN], [
80   roken_root=
81   AC_SUBST(LIB_roken)
82   AC_SUBST(CPPFLAGS_roken)
83   AC_SUBST(LDFLAGS_roken)
84   AC_SUBST(DIR_roken)
85   AC_SUBST(buildtool_roken)
86
87   AC_ARG_WITH([roken],
88     [AS_HELP_STRING([--with-roken=DIR],
89         [Location of the roken library, or 'internal'])],
90     [AS_IF([test x"$withval" = xno],
91            [AC_MSG_ERROR("OpenAFS requires roken to build")],
92            [AS_IF([test x"$withval" != xyes],
93                   [roken_root="$withval"])
94            ])
95     ])
96   AC_ARG_WITH([roken-include],
97     [AS_HELP_STRING([--with-roken-include=DIR],
98         [Location of roken headers])],
99     [AS_IF([test x"$withval" != xyes && test x"$withval" != xno],
100         [roken_includedir="$withval"])])
101   AC_ARG_WITH([roken-lib],
102     [AS_HELP_STRING([--with-roken-lib=DIR],
103         [Location of roken libraries])],
104     [AS_IF([test x"$withval" != xyes && test x"$withval" != xno],
105         [roken_libdir="$withval"])])
106
107   AS_IF([test x"$roken_root" = xinternal],
108         [_OPENAFS_ROKEN_INTERNAL()],
109         [AS_IF([test x"$roken_root" = x && test x"$roken_libdir" = x &&
110                 test x"$roken_includedir" = x],
111             [_OPENAFS_ROKEN_CHECK([], [_OPENAFS_ROKEN_INTERNAL()])],
112             [_OPENAFS_ROKEN_CHECK([],
113                 [AC_MSG_ERROR([Cannot find roken at that location])])
114             ])
115         ])
116 ])
117
118 AC_DEFUN([OPENAFS_MORE_ROKEN_CHECKS],[
119 dnl Functions that Heimdal's libroken provides, but that we
120 dnl haven't found a need for yet, and so haven't imported
121 AC_CHECK_FUNCS([ \
122         chown \
123         fchown \
124         gethostname \
125         lstat \
126         inet_aton \
127         putenv \
128         readv \
129         setenv \
130         strdup \
131         strftime \
132         strndup \
133         strsep \
134         unsetenv \
135 ])
136
137 dnl Functions that are in objects that we always build from libroken
138 AC_CHECK_FUNCS([ \
139         asprintf \
140         asnprintf \
141         vasprintf \
142         vasnprintf \
143         vsnprintf \
144         snprintf \
145 ])
146
147 dnl Functions that we're going to try and get from libroken
148 AC_REPLACE_FUNCS([ \
149         daemon \
150         ecalloc \
151         emalloc \
152         erealloc \
153         err \
154         errx \
155         flock \
156         freeaddrinfo \
157         gai_strerror \
158         getaddrinfo \
159         getdtablesize \
160         getnameinfo \
161         getopt \
162         getprogname \
163         gettimeofday \
164         inet_ntop \
165         inet_pton \
166         localtime_r \
167         mkstemp \
168         setenv \
169         setprogname \
170         strcasecmp \
171         strlcat \
172         strnlen \
173         strlcpy \
174         strsep \
175         strtok_r \
176         tdelete \
177         tfind \
178         tsearch \
179         twalk \
180         unsetenv \
181         verr \
182         verrx \
183         vsyslog \
184         vwarn \
185         vwarnx \
186         warn \
187         warnx \
188 ])
189
190 dnl Headers that we're going to try and get from libroken
191 AC_CHECK_HEADERS([ \
192         err.h \
193         search.h \
194 ])
195 ])
196
197 AC_DEFUN([OPENAFS_ROKEN_HEADERS],[
198 ROKEN_HEADERS=
199 AS_IF([test "$ac_cv_header_err_h" != "yes" ],
200       [ROKEN_HEADERS="$ROKEN_HEADERS \$(TOP_INCDIR)/err.h"],
201       [])
202 AC_SUBST(ROKEN_HEADERS)
203 ])