diff options
Diffstat (limited to 'configure.ac')
-rw-r--r-- | configure.ac | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/configure.ac b/configure.ac index e21b17cc2..84148abd3 100644 --- a/configure.ac +++ b/configure.ac @@ -966,9 +966,14 @@ UL_BUILD_INIT([bfs]) AM_CONDITIONAL(BUILD_BFS, test "x$build_bfs" = xyes) -if test "x$have_io" = xyes -o "x$linux_os" = xyes; then - build_hwclock=yes -fi +AC_ARG_ENABLE([hwclock], + AS_HELP_STRING([--disable-hwclock], [do not build hwclock]), + [], enable_hwclock=check +) +have_linuxdummy=$linux_os + +UL_BUILD_INIT([hwclock]) +UL_REQUIRES_HAVE([hwclock], [io, linuxdummy], [ioperm iopl function or Linux]) AM_CONDITIONAL(BUILD_HWCLOCK, test "x$build_hwclock" = xyes) |