-dnl Check if Berkeley DB2 library exists
-dnl Check for dbopen in standard libraries or -ldb
-dnl
-dnl defines ol_cv_lib_db2 to '-ldb' or 'no'
-dnl
-dnl uses:
-dnl AC_CHECK_LIB(db,db_appexit)
-dnl
-AC_DEFUN([OL_LIB_BERKELEY_DB2],
-[AC_CACHE_CHECK([for DB2 library], [ol_cv_lib_db2],
-[ ol_LIBS="$LIBS"
- AC_CHECK_LIB(db,db_appexit,[ol_cv_lib_db2=-ldb],[ol_cv_lib_db2=no])
+dnl Try to link
+AC_DEFUN([OL_BERKELEY_DB_TRY],
+[if test $ol_cv_lib_db = no ; then
+ AC_CACHE_CHECK([for Berkeley DB link (]ifelse($2,,default,$2)[)],[$1],
+[
+ ol_DB_LIB=ifelse($2,,,$2)
+ ol_LIBS=$LIBS
+ LIBS="$ol_DB_LIB $LIBS"
+
+ AC_TRY_LINK([
+#ifdef HAVE_DB_185_H
+# include <db_185.h>
+#else
+# include <db.h>
+#endif
+
+#ifndef DB_VERSION_MAJOR
+# define DB_VERSION_MAJOR 1
+#endif
+
+#ifndef NULL
+#define NULL ((void*)0)
+#endif
+],[
+#if DB_VERSION_MAJOR > 1
+ {
+ char *version;
+ int major, minor, patch;
+
+ version = db_version( &major, &minor, &patch );
+
+ if( major != DB_VERSION_MAJOR ||
+ minor < DB_VERSION_MINOR )
+ {
+ printf("Berkeley DB version mismatch\n"
+ "\texpected: %s\n\tgot: %s\n",
+ DB_VERSION_STRING, version);
+ return 1;
+ }
+ }
+#endif
+
+#if DB_VERSION_MAJOR > 2
+ db_env_create( NULL, 0 );
+#elif DB_VERSION_MAJOR > 1
+ db_appexit( NULL );
+#else
+ (void) dbopen( NULL, 0, 0, 0, NULL);
+#endif
+],[$1=yes],[$1=no])
+