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Automake has builtin support to prevent botched conditional nesting, but only if you use: if FOO else !FOO endif !FOO An example error message when using the wrong name: daemon/Makefile.am:378: error: else reminder (LIBVIRT_INIT_SCRIPT_SYSTEMD_TRUE) incompatible with current conditional: LIBVIRT_INIT_SCRIPT_SYSTEMD_FALSE daemon/Makefile.am:381: error: endif reminder (LIBVIRT_INIT_SCRIPT_SYSTEMD_TRUE) incompatible with current conditional: LIBVIRT_INIT_SCRIPT_SYSTEMD_FALSE As our makefiles tend to have quite a bit of nested conditionals, it's better to take advantage of the benefits of the build system double-checking that our conditionals are well-nested, but that requires a syntax check to enforce our usage style. Alas, unlike C preprocessor and spec files, we can't use indentation to make it easier to see how deeply nesting goes. * cfg.mk (sc_makefile_conditionals): New rule. * daemon/Makefile.am: Enforce the style. * gnulib/tests/Makefile.am: Likewise. * python/Makefile.am: Likewise. * src/Makefile.am: Likewise. * tests/Makefile.am: Likewise. * tools/Makefile.am: Likewise. Signed-off-by: Eric Blake <eblake@redhat.com>
LibVirt : simple API for virtualization
Libvirt is a C toolkit to interact with the virtualization capabilities
of recent versions of Linux (and other OSes). It is free software
available under the GNU Lesser General Public License. Virtualization of
the Linux Operating System means the ability to run multiple instances of
Operating Systems concurrently on a single hardware system where the basic
resources are driven by a Linux instance. The library aim at providing
long term stable C API initially for the Xen paravirtualization but
should be able to integrate other virtualization mechanisms if needed.
Daniel Veillard <veillard@redhat.com>