--- 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],[])

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

On Tue, Dec 22, 2009 at 12:15:33PM +0100, Matthias Bolte wrote: > 2009/12/22 Daniel P. Berrange <berrange(a)redhat.com&gt;: > > 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