don't use negative size
[heimdal.git] / cf / db.m4
blobff10f76eb6e005fa8cf4c16549cbbc9da19b1e6d
1 dnl $Id$
2 dnl
3 dnl tests for various db libraries
4 dnl
6 AC_DEFUN([rk_DB],[
7 AC_ARG_WITH(berkeley-db,
8                        AS_HELP_STRING([--with-berkeley-db],
9                                       [enable support for berkeley db @<:@default=check@:>@]),
10                        [],
11                        [with_berkeley_db=check])
13 dbheader=""
14 AC_ARG_WITH(berkeley-db-include,
15                        AS_HELP_STRING([--with-berkeley-db-include=dir],
16                                       [use berkeley-db headers in dir]),
17                        [dbheader=$withval],
18                        [with_berkeley_db_include=check])
20 AC_ARG_ENABLE(ndbm-db,
21                        AS_HELP_STRING([--disable-ndbm-db],
22                                       [if you don't want ndbm db]),[
25 have_ndbm=no
26 db_type=unknown
28 AS_IF([test "x$with_berkeley_db" != xno],
29   [AS_IF([test "x$with_berkeley_db_include" != xcheck],
30     [AC_CHECK_HEADERS(["$dbheader/db.h"],
31                    [AC_SUBST([DBHEADER], [$dbheader])
32                     AC_DEFINE([HAVE_DBHEADER], [1],
33                                       [Define if you have user supplied header location])
34                    ],
35                    [if test "x$with_berkeley_db_include" != xcheck; then
36                      AC_MSG_FAILURE(
37                        [--with-berkeley-db-include was given but include test failed])
38                     fi
39                    ])],
40     [AC_CHECK_HEADERS([                                 \
41                    db5/db.h                             \
42                    db4/db.h                             \
43                    db3/db.h                             \
44                    db.h                                 \
45     ])])
47 dnl db_create is used by db3 and db4 and db5
49   AC_FIND_FUNC_NO_LIBS(db_create, [$dbheader] db5 db4 db3 db, [
50   #include <stdio.h>
51   #ifdef HAVE_DBHEADER
52   #include <$dbheader/db.h>
53   #elif HAVE_DB5_DB_H
54   #include <db5/db.h>
55   #elif HAVE_DB4_DB_H
56   #include <db4/db.h>
57   #elif defined(HAVE_DB3_DB_H)
58   #include <db3/db.h>
59   #else
60   #include <db.h>
61   #endif
62   ],[NULL, NULL, 0])
64   if test "$ac_cv_func_db_create" = "yes"; then
65     db_type=db3
66     if test "$ac_cv_funclib_db_create" != "yes"; then
67       DBLIB="$ac_cv_funclib_db_create"
68     else
69       DBLIB=""
70     fi
71     AC_DEFINE(HAVE_DB3, 1, [define if you have a berkeley db3/4/5 library])
72   fi
74 dnl dbopen is used by db1/db2
76   AC_FIND_FUNC_NO_LIBS(dbopen, db2 db, [
77   #include <stdio.h>
78   #if defined(HAVE_DB2_DB_H)
79   #include <db2/db.h>
80   #elif defined(HAVE_DB_H)
81   #include <db.h>
82   #else
83   #error no db.h
84   #endif
85   ],[NULL, 0, 0, 0, NULL])
87   if test "$ac_cv_func_dbopen" = "yes"; then
88     db_type=db1
89     if test "$ac_cv_funclib_dbopen" != "yes"; then
90       DBLIB="$ac_cv_funclib_dbopen"
91     else
92       DBLIB=""
93     fi
94     AC_DEFINE(HAVE_DB1, 1, [define if you have a berkeley db1/2 library])
95   fi
97 dnl test for ndbm compatability
99   if test "$ac_cv_func_dbm_firstkey" != yes; then
100     AC_FIND_FUNC_NO_LIBS2(dbm_firstkey, $ac_cv_funclib_dbopen $ac_cv_funclib_db_create, [
101     #include <stdio.h>
102     #define DB_DBM_HSEARCH 1
103     #include <db.h>
104     DBM *dbm;
105     ],[NULL])
106   
107     if test "$ac_cv_func_dbm_firstkey" = "yes"; then
108       if test "$ac_cv_funclib_dbm_firstkey" != "yes"; then
109         LIB_NDBM="$ac_cv_funclib_dbm_firstkey"
110       else
111         LIB_NDBM=""
112       fi
113       AC_DEFINE(HAVE_DB_NDBM, 1, [define if you have ndbm compat in db])
114       AC_DEFINE(HAVE_NEW_DB, 1, [Define if NDBM really is DB (creates files *.db)])
115     else
116       $as_unset ac_cv_func_dbm_firstkey
117       $as_unset ac_cv_funclib_dbm_firstkey
118     fi
119   fi
121 ]) # fi berkeley db
123 if test "$enable_ndbm_db" != "no"; then
125   if test "$db_type" = "unknown" -o "$ac_cv_func_dbm_firstkey" = ""; then
127     AC_CHECK_HEADERS([                          \
128         dbm.h                                   \
129         ndbm.h                                  \
130     ])
131   
132     AC_FIND_FUNC_NO_LIBS(dbm_firstkey, ndbm, [
133     #include <stdio.h>
134     #if defined(HAVE_NDBM_H)
135     #include <ndbm.h>
136     #elif defined(HAVE_DBM_H)
137     #include <dbm.h>
138     #endif
139     DBM *dbm;
140     ],[NULL])
141   
142     if test "$ac_cv_func_dbm_firstkey" = "yes"; then
143       if test "$ac_cv_funclib_dbm_firstkey" != "yes"; then
144         LIB_NDBM="$ac_cv_funclib_dbm_firstkey"
145       else
146         LIB_NDBM=""
147       fi
148       AC_DEFINE(HAVE_NDBM, 1, [define if you have a ndbm library])dnl
149       have_ndbm=yes
150       if test "$db_type" = "unknown"; then
151         db_type=ndbm
152         DBLIB="$LIB_NDBM"
153       fi
154     else
155   
156       $as_unset ac_cv_func_dbm_firstkey
157       $as_unset ac_cv_funclib_dbm_firstkey
158   
159       AC_CHECK_HEADERS([                                \
160           gdbm/ndbm.h                           \
161       ])
162   
163       AC_FIND_FUNC_NO_LIBS(dbm_firstkey, gdbm, [
164       #include <stdio.h>
165       #include <gdbm/ndbm.h>
166       DBM *dbm;
167       ],[NULL])
168   
169       if test "$ac_cv_func_dbm_firstkey" = "yes"; then
170         if test "$ac_cv_funclib_dbm_firstkey" != "yes"; then
171         LIB_NDBM="$ac_cv_funclib_dbm_firstkey"
172         else
173         LIB_NDBM=""
174         fi
175         AC_DEFINE(HAVE_NDBM, 1, [define if you have a ndbm library])dnl
176         have_ndbm=yes
177         if test "$db_type" = "unknown"; then
178         db_type=ndbm
179         DBLIB="$LIB_NDBM"
180         fi
181       fi
182     fi
183   fi #enable_ndbm_db
184 fi # unknown
186 if test "$have_ndbm" = "yes"; then
187   AC_MSG_CHECKING([if ndbm is implemented with db])
188   AC_RUN_IFELSE([AC_LANG_SOURCE([[
189 #include <unistd.h>
190 #include <fcntl.h>
191 #if defined(HAVE_GDBM_NDBM_H)
192 #include <gdbm/ndbm.h>
193 #elif defined(HAVE_NDBM_H)
194 #include <ndbm.h>
195 #elif defined(HAVE_DBM_H)
196 #include <dbm.h>
197 #endif
198 int main(int argc, char **argv)
200   DBM *d;
202   d = dbm_open("conftest", O_RDWR | O_CREAT, 0666);
203   if (d == NULL)
204     return 1;
205   dbm_close(d);
206   return 0;
207 }]])],[
208     if test -f conftest.db; then
209       AC_MSG_RESULT([yes])
210       AC_DEFINE(HAVE_NEW_DB, 1, [Define if NDBM really is DB (creates files *.db)])
211     else
212       AC_MSG_RESULT([no])
213     fi],[AC_MSG_RESULT([no])],[AC_MSG_RESULT([no-cross])])
216 AM_CONDITIONAL(HAVE_DB1, test "$db_type" = db1)dnl
217 AM_CONDITIONAL(HAVE_DB3, test "$db_type" = db3)dnl
218 AM_CONDITIONAL(HAVE_NDBM, test "$db_type" = ndbm)dnl
219 AM_CONDITIONAL(HAVE_DBHEADER, test "$dbheader" != "")dnl
221 ## it's probably not correct to include LDFLAGS here, but we might
222 ## need it, for now just add any possible -L
223 z=""
224 for i in $LDFLAGS; do
225         case "$i" in
226         -L*) z="$z $i";;
227         esac
228 done
229 DBLIB="$z $DBLIB"
230 AC_SUBST(DBLIB)dnl
231 AC_SUBST(LIB_NDBM)dnl