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dnl $Id: krb-find-db.m4,v 1.6 2000/08/16 03:58:51 assar Exp $
dnl
dnl find a suitable database library
dnl
dnl AC_FIND_DB(libraries)
AC_DEFUN(KRB_FIND_DB, [
lib_dbm=no
lib_db=no
for i in $1; do
if test "$i"; then
m="lib$i"
l="-l$i"
else
m="libc"
l=""
fi
AC_MSG_CHECKING(for dbm_open in $m)
AC_CACHE_VAL(ac_cv_krb_dbm_open_$m, [
save_LIBS="$LIBS"
LIBS="$l $LIBS"
AC_TRY_RUN([
#include <unistd.h>
#include <fcntl.h>
#if defined(HAVE_NDBM_H)
#include <ndbm.h>
#elif defined(HAVE_GDBM_NDBM_H)
#include <gdbm/ndbm.h>
#elif defined(HAVE_DBM_H)
#include <dbm.h>
#elif defined(HAVE_RPCSVC_DBM_H)
#include <rpcsvc/dbm.h>
#elif defined(HAVE_DB_H)
#define DB_DBM_HSEARCH 1
#include <db.h>
#endif
int main()
{
DBM *d;
d = dbm_open("conftest", O_RDWR | O_CREAT, 0666);
if(d == NULL)
return 1;
dbm_close(d);
return 0;
}], [
if test -f conftest.db; then
ac_res=db
else
ac_res=dbm
fi], ac_res=no, ac_res=no)
LIBS="$save_LIBS"
eval ac_cv_krb_dbm_open_$m=$ac_res])
eval ac_res=\$ac_cv_krb_dbm_open_$m
AC_MSG_RESULT($ac_res)
if test "$lib_dbm" = no -a $ac_res = dbm; then
lib_dbm="$l"
elif test "$lib_db" = no -a $ac_res = db; then
lib_db="$l"
break
fi
done
AC_MSG_CHECKING(for NDBM library)
ac_ndbm=no
if test "$lib_db" != no; then
LIB_DBM="$lib_db"
ac_ndbm=yes
AC_DEFINE(HAVE_NEW_DB, 1, [Define if NDBM really is DB (creates files ending in .db).])
if test "$LIB_DBM"; then
ac_res="yes, $LIB_DBM"
else
ac_res=yes
fi
elif test "$lib_dbm" != no; then
LIB_DBM="$lib_dbm"
ac_ndbm=yes
if test "$LIB_DBM"; then
ac_res="yes, $LIB_DBM"
else
ac_res=yes
fi
else
LIB_DBM=""
ac_res=no
fi
test "$ac_ndbm" = yes && AC_DEFINE(NDBM, 1, [Define if you have NDBM (and not DBM)])dnl
AC_SUBST(LIB_DBM)
DBLIB="$LIB_DBM"
AC_SUBST(DBLIB)
AC_MSG_RESULT($ac_res)
])
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