On 05/02/2016 07:33 AM, Rainer Orth wrote:
When installing gcc 6.1.0 on Solaris 12, installation failed in libvtv:

libtool: install: /usr/gnu/bin/install -c .libs/libvtv.lai 
/var/gcc/gcc-6.1.0/12-gcc-gas/install/vol/gcc-6/lib/amd64/libvtv.la
libtool: install: /usr/gnu/bin/install -c .libs/libvtv.a 
/var/gcc/gcc-6.1.0/12-gcc-gas/install/vol/gcc-6/lib/amd64/libvtv.a
/usr/gnu/bin/install: cannot stat '.libs/libvtv.a': No such file or directory
make[10]: *** [install-toolexeclibLTLIBRARIES] Error 1
make[10]: Leaving directory 
`/var/gcc/gcc-6.1.0/12-gcc-gas/i386-pc-solaris2.12/amd64/libvtv'

The problem is that libvtv.a is created like this

libtool: link: ar rc .libs/libvtv.a
libtool: link: ranlib .libs/libvtv.a

i.e. with no objects, when --enable-vtable-verify isn't specified, and
Solaris ar does nothing in this case, unlike GNU ar which creates an
archive containing only the 8-byte archive header.

Given that in this situation libvtv is useless anyway (the vtv_*.o files
in libgcc aren't built either), I've chosen to avoid the installation
completely.

Tested on i386-pc-solaris2.11 without and with --enable-vtable-verify.

Ok for mainline and gcc-6 branch?

Thanks.
        Rainer


2016-04-29  Rainer Orth  <r...@cebitec.uni-bielefeld.de>

        * Makefile.am (toolexeclib_LTLIBRARIES): Only set if
        ENABLE_VTABLE_VERIFY.
        Simplify.
        * Makefile.in: Regenerate.
OK.
jeff

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