On 08/07/2012 12:20 PM, Inge Henriksen wrote: > > I use GNU Autoconf 2.63 on CentoOS 6.3 32-bit. In my configure script I check > the sizes of some types, like: > > AC_CHECK_SIZEOF(char) > AC_CHECK_SIZEOF(int) > AC_CHECK_SIZEOF(long) > , but the result is always 0 when running ./configure: > > checking size of char... 0 > checking size of int... 0 > checking size of long... 0 > The same configurations run fine on Mac OS X SL and Ubuntu though. > > Any ideas why AC_CHECK_SIZEOF returns 0 on CentOS?
Not without seeing the config.log snippets corresponding to those tests getting the wrong results. It may be a case of compiler warnings being turned up to high and causing a spurious miscompilation of the example, but the config.log output would make that point clear. -- Eric Blake ebl...@redhat.com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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