libpciaccess: Changes to 'master'

[Alan Coopersmith]

 Makefile.am         |    3 +++
 configure.ac        |   17 -----------------
 m4/ac_define_dir.m4 |   49 +++++++++++++++++++++++++++++++++++++++++++++++++
 src/Makefile.am     |    2 +-
 src/solx_devfs.c    |    9 ++++-----
 5 files changed, 57 insertions(+), 23 deletions(-)

New commits:
commit 7f08a1e19b49c9ffdc62e1dff340b392ac7c42d1
Author: Alan Coopersmith <alan.coopersmith at sun.com>
Date:   Fri Apr 17 22:05:03 2009 -0700

    Fix unused variable warnings in Solaris code
    
    solx_devfs.c: In function `find_target_node':
    solx_devfs.c:672: warning: unused variable `prop'
    solx_devfs.c:673: warning: unused variable `i'
    
    Signed-off-by: Alan Coopersmith <alan.coopersmith at sun.com>

commit 0edb2392ede59cadd75915873b52baa188bfa273
Author: Alan Coopersmith <alan.coopersmith at sun.com>
Date:   Fri Apr 17 21:59:25 2009 -0700

    Fix $CWARNFLAGS addition
    
    Original addition to configure.ac had typo (missing N) - moving to
    Makefile.am allows easier override at build time
    
    Signed-off-by: Alan Coopersmith <alan.coopersmith at sun.com>

commit 146dc2f4ac232bb9d63225c8e72b214dc3120ea6
Author: Alan Coopersmith <alan.coopersmith at sun.com>
Date:   Fri Apr 17 21:56:31 2009 -0700

    Move included m4 to a subdir so we can more easily update from upstream
    
    Signed-off-by: Alan Coopersmith <alan.coopersmith at sun.com>