On 04/02/2013 10:09 AM, Daniel P. Berrange wrote: > From: "Daniel P. Berrange" <berrange@xxxxxxxxxx> > > Every source file is currently built twice by libtool, once for > the shared library and once for the static library. Static libs > are not commonly packaged by distros and slow down compilation > time by as more than 50% compared to a shared-only build time. s/by as more than/by as much as/ > > Time for 'make -j 4': > > shared only: 2 mins 9 secs > shared + static: 3 mins 26 secs > > Time for non-parallel make > > shared only: 3 mins 32 secs > shared + static: 5 mins 41 secs > > Those few people who really want them, can pass --enable-static > to configure Yep - we are just altering the defaults, not taking away the capability altogether. > > Disabling them by default requires use of LT_INIT, but for > compat with RHEL5 we can't rely on that. So we conditionally > use LT_INIT, but fallback to AM_PROG_LIBTOOL if not present. > --- > configure.ac | 6 +++++- > 1 file changed, 5 insertions(+), 1 deletion(-) > > diff --git a/configure.ac b/configure.ac > index 09e4ad9..0df9e5c 100644 > --- a/configure.ac > +++ b/configure.ac > @@ -123,7 +123,11 @@ AC_TYPE_UID_T > dnl Support building Win32 DLLs (must appear *before* AM_PROG_LIBTOOL) > AC_LIBTOOL_WIN32_DLL > > -AM_PROG_LIBTOOL > +m4_ifndef([LT_INIT], [ > + AM_PROG_LIBTOOL > +], [ > + LT_INIT([shared disable-static]) > +]) ACK. -- Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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