On Friday 27 April 2012 11:02:34 Sergey Senozhatsky wrote: > PKG_CHECK_MODULES([LIBNIL], [libnl-1],[],[ > - PKG_CHECK_MODULES([LIBNIL], [libnl-2.0],[] ,[ > - PKG_CHECK_MODULES([LIBNIL], [libnl-3.0],[] > ,[AC_MSG_ERROR([libnl is required but was not found])]) > + PKG_CHECK_MODULES([LIBNIL], > [libnl-2.0],[AC_DEFINE([HAVE_LIBNL20],[1],[Define if you have libnl-2.0 or > higher])], > + [ > + PKG_CHECK_MODULES([LIBNIL], [libnl-3.0 libnl-genl-3.0], > + [AC_DEFINE([HAVE_LIBNL20],[1],[Define if > you have libnl-3.0 or higher])], > + [AC_MSG_ERROR([libnl is required but was > not found])]) > ]) > ])
does autoheader allow the same symbol to be defined multiple times ? how about:
PKG_CHECK_MODULES([LIBNIL], [libnl-1],[libnl_ver=1],[
PKG_CHECK_MODULES([LIBNIL], [libnl-2.0],[libnl_ver=2],[
PKG_CHECK_MODULES([LIBNIL], [libnl-3.0 libnl-genl-3.0],
[libnl_ver=3],[
AC_MSG_ERROR([libnl is required but was not found])
])
])
])
AS_IF([test 1 != "$libnl_ver"], [
AC_DEFINE([HAVE_LIBNL20], [1], [Define if you have libnl-2.0 or higher])
])
-mike
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