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dnl $Id: db.m4,v 1.9 2002/09/10 14:29:47 joda Exp $
dnl
dnl tests for various db libraries
dnl
AC_DEFUN([rk_DB],[
AC_ARG_ENABLE(berkeley-db,
AC_HELP_STRING([--disable-berkeley-db],
[if you don't want berkeley db]),[
])
have_ndbm=no
db_type=unknown
if test "$enable_berkeley_db" != no; then
AC_CHECK_HEADERS([ \
db4/db.h \
db3/db.h \
db.h \
db_185.h \
])
dnl db_create is used by db3 and db4
AC_FIND_FUNC_NO_LIBS(db_create, db4 db3 db, [
#include <stdio.h>
#ifdef HAVE_DB4_DB_H
#include <db4/db.h>
#elif defined(HAVE_DB3_DB_H)
#include <db3/db.h>
#else
#include <db.h>
#endif
],[NULL, NULL, 0])
if test "$ac_cv_func_db_create" = "yes"; then
db_type=db3
if test "$ac_cv_funclib_db_create" != "yes"; then
DBLIB="$ac_cv_funclib_db_create"
else
DBLIB=""
fi
AC_DEFINE(HAVE_DB3, 1, [define if you have a berkeley db3/4 library])
else
dnl dbopen is used by db1/db2
AC_FIND_FUNC_NO_LIBS(dbopen, db2 db, [
#include <stdio.h>
#if defined(HAVE_DB2_DB_H)
#include <db2/db.h>
#elif defined(HAVE_DB_185_H)
#include <db_185.h>
#elif defined(HAVE_DB_H)
#include <db.h>
#else
#error no db.h
#endif
],[NULL, 0, 0, 0, NULL])
if test "$ac_cv_func_dbopen" = "yes"; then
db_type=db1
if test "$ac_cv_funclib_dbopen" != "yes"; then
DBLIB="$ac_cv_funclib_dbopen"
else
DBLIB=""
fi
AC_DEFINE(HAVE_DB1, 1, [define if you have a berkeley db1/2 library])
fi
fi
dnl test for ndbm compatability
if test "$ac_cv_func_dbm_firstkey" != yes; then
AC_FIND_FUNC_NO_LIBS2(dbm_firstkey, $ac_cv_funclib_dbopen $ac_cv_funclib_db_create, [
#include <stdio.h>
#define DB_DBM_HSEARCH 1
#include <db.h>
DBM *dbm;
],[NULL])
if test "$ac_cv_func_dbm_firstkey" = "yes"; then
if test "$ac_cv_funclib_dbm_firstkey" != "yes"; then
LIB_NDBM="$ac_cv_funclib_dbm_firstkey"
else
LIB_NDBM=""
fi
AC_DEFINE(HAVE_DB_NDBM, 1, [define if you have ndbm compat in db])
AC_DEFINE(HAVE_NEW_DB, 1, [Define if NDBM really is DB (creates files *.db)])
else
$as_unset ac_cv_func_dbm_firstkey
$as_unset ac_cv_funclib_dbm_firstkey
fi
fi
fi # berkeley db
if test "$db_type" = "unknown" -o "$ac_cv_func_dbm_firstkey" = ""; then
AC_CHECK_HEADERS([ \
dbm.h \
ndbm.h \
])
AC_FIND_FUNC_NO_LIBS(dbm_firstkey, ndbm, [
#include <stdio.h>
#if defined(HAVE_NDBM_H)
#include <ndbm.h>
#elif defined(HAVE_DBM_H)
#include <dbm.h>
#endif
DBM *dbm;
],[NULL])
if test "$ac_cv_func_dbm_firstkey" = "yes"; then
if test "$ac_cv_funclib_dbm_firstkey" != "yes"; then
LIB_NDBM="$ac_cv_funclib_dbm_firstkey"
else
LIB_NDBM=""
fi
AC_DEFINE(HAVE_NDBM, 1, [define if you have a ndbm library])dnl
have_ndbm=yes
if test "$db_type" = "unknown"; then
db_type=ndbm
DBLIB="$LIB_NDBM"
fi
else
$as_unset ac_cv_func_dbm_firstkey
$as_unset ac_cv_funclib_dbm_firstkey
AC_CHECK_HEADERS([ \
gdbm/ndbm.h \
])
AC_FIND_FUNC_NO_LIBS(dbm_firstkey, gdbm, [
#include <stdio.h>
#include <gdbm/ndbm.h>
DBM *dbm;
],[NULL])
if test "$ac_cv_func_dbm_firstkey" = "yes"; then
if test "$ac_cv_funclib_dbm_firstkey" != "yes"; then
LIB_NDBM="$ac_cv_funclib_dbm_firstkey"
else
LIB_NDBM=""
fi
AC_DEFINE(HAVE_NDBM, 1, [define if you have a ndbm library])dnl
have_ndbm=yes
if test "$db_type" = "unknown"; then
db_type=ndbm
DBLIB="$LIB_NDBM"
fi
fi
fi
fi # unknown
if test "$have_ndbm" = "yes"; then
AC_MSG_CHECKING([if ndbm is implemented with db])
AC_TRY_RUN([
#include <unistd.h>
#include <fcntl.h>
#if defined(HAVE_GDBM_NDBM_H)
#include <gdbm/ndbm.h>
#elif defined(HAVE_NDBM_H)
#include <ndbm.h>
#elif defined(HAVE_DBM_H)
#include <dbm.h>
#endif
int main()
{
DBM *d;
d = dbm_open("conftest", O_RDWR | O_CREAT, 0666);
if (d == NULL)
return 1;
dbm_close(d);
return 0;
}],[
if test -f conftest.db; then
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_NEW_DB, 1, [Define if NDBM really is DB (creates files *.db)])
else
AC_MSG_RESULT([no])
fi],[AC_MSG_RESULT([no])])
fi
AM_CONDITIONAL(HAVE_DB1, test "$db_type" = db1)dnl
AM_CONDITIONAL(HAVE_DB3, test "$db_type" = db3)dnl
AM_CONDITIONAL(HAVE_NDBM, test "$db_type" = ndbm)dnl
## it's probably not correct to include LDFLAGS here, but we might
## need it, for now just add any possible -L
z=""
for i in $LDFLAGS; do
case "$i" in
-L*) z="$z $i";;
esac
done
DBLIB="$z $DBLIB"
AC_SUBST(DBLIB)dnl
AC_SUBST(LIB_NDBM)dnl
])
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