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Automake linking looks like this (I'm simplifying a bit):
$(CC) $(foo_CFLAGS) $(foo_LDFLAGS) -ofoo $(objects) $(foo_LDADD)
The correct order is that if a library A is used to satisfy the symbol
requirements of an object or library B, then A must come after B on the
link line. Otherwise, static linking or linking with -Wl,--as-needed
will fail. As a result, libraries and the -L options used to locate them
should always be in LDADD (for executables) or LIBADD (for libraries),
never in LDFLAGS.
Ubuntu's linker defaults to the equivalent of -Wl,--as-needed, so
this causes failure to build on Ubuntu, which can be reproduced with
./autogen.sh CC="gcc -Wl,--as-needed" && make
on other distributions.
Signed-off-by: Simon McVittie <smcv@debian.org>
Closes: #75
Approved by: alexlarsson
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