On Tue, Dec 22, 2009 at 12:15:33PM +0100, Matthias Bolte wrote: > 2009/12/22 Daniel P. Berrange <berrange@xxxxxxxxxx>: > > On Tue, Dec 22, 2009 at 02:12:51AM +0100, Matthias Bolte wrote: > >> --- > >> configure.in | 3 ++- > >> 1 files changed, 2 insertions(+), 1 deletions(-) > >> > >> diff --git a/configure.in b/configure.in > >> index 3be11f2..81548b8 100644 > >> --- a/configure.in > >> +++ b/configure.in > >> @@ -116,7 +116,8 @@ dnl If portablexdr is installed, prefer that. > >> dnl Otherwise try -lrpc (Cygwin) -lxdr (some MinGW), -lnsl (Solaris) > >> dnl or none (most Unix) > >> AC_CHECK_LIB([portablexdr],[xdrmem_create],[],[ > >> - AC_SEARCH_LIBS([xdrmem_create],[rpc xdr nsl]) > >> + AC_SEARCH_LIBS([xdrmem_create],[rpc xdr nsl],[], > >> + [AC_MSG_ERROR([Cannot find a XDR library])]) > >> ]) > >> > >> AC_CHECK_LIB([intl],[gettext],[]) > > > > Hmm, there is no xdr library required on Linux, so we don't want to > > throw an error in case. Its just part of glibc > > > > When trying to compile libvirt on Windows libportablexdr for example > is necessary. On Linux I get this output in config log: > > configure:41995: checking for xdrmem_create in -lportablexdr > configure:42030: gcc -o conftest -g -O2 conftest.c -lportablexdr >&5 > /usr/bin/ld: cannot find -lportablexdr > collect2: ld returned 1 exit status > [...] > configure:42069: checking for library containing xdrmem_create > configure:42110: gcc -o conftest -g -O2 conftest.c >&5 > configure:42117: $? = 0 > configure:42148: result: none required > > The first explicit check for libportablexdr fails, but the second test > succeeds and finds xdrmem_create from glibc. Ok, so AC_SEARCH_LIBS() is doing a test with no library at all first, before then trying librpc, libxdr and libnsl in turn. ACK Daniel -- |: Red Hat, Engineering, London -o- http://people.redhat.com/berrange/ :| |: http://libvirt.org -o- http://virt-manager.org -o- http://ovirt.org :| |: http://autobuild.org -o- http://search.cpan.org/~danberr/ :| |: GnuPG: 7D3B9505 -o- F3C9 553F A1DA 4AC2 5648 23C1 B3DF F742 7D3B 9505 :| -- Libvir-list mailing list Libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list