Ingo Franzki 43a10f4806 common.mak: Add '-Wl,--as-needed' to DEFAULT_LDFLAGS ...

Many distros and buildsystems use '-Wl,--as-needed' default-wise anyway.
For example, Ubuntu, Fedora, and Meson default to '-Wl,--as-needed'.
Considering some of the projects that use/support Meson, e.g. util-linux,
systemd, libvirt, or git, are all built with '-Wl,--as-needed' as well.

So add '-Wl,--as-needed' to DEFAULT_LDFLAGS to also default to that.

Note that with '-Wl,--as-needed' the order of flags, objects, and libraries
matters for the link step. The link rule in common.mak already has the
correct order, so using '-Wl,--as-needed' will not hurt.

    %: %.o
	    $(LINK) $(ALL_LDFLAGS) $^ $(LDLIBS) -o $@

Signed-off-by: Ingo Franzki <ifranzki@linux.ibm.com>
Reviewed-by: Jan Höppner <hoeppner@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>

2025-12-01 13:45:37 +01:00

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