has this been applied already? and if not, is it still applicable?
** Tags added: build patch
** Changed in: hugin
Status: New => Triaged
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https://bugs.launchpad.net/bugs/679658
Title:
Avoiding extra linking
Status in Hugin - Panorama Tools GUI:
Triaged
Bug description:
(originally submitted by Cyril Brulebois in hugin-ptx)
"since one might want to limit the dependencies against other pacakages (which,
distribution-wide, really helps WRT release management), it is usually possible
to use the following: LDFLAGS="-Wl,--as-needed". It tells the linker not to
include inconditionally all -lFOO -lBAR passed on the command-line in NEEDED
sections, if no symbols from these libraries are actually used."
"Note that curiously, cmake sometimes can't handle using a static library
inside a shared library, which is why I've added -fPIC explicitely.
I've rebuilt hugin with and without -Wl,--as-needed and -Wl,-z,defs and it
doesn't seem like anything is broken.
Please review and possibly apply the updated attached patch. Note that for the
second hunk, one might want to use ${image_libs} instead, but I added library
one by one, on demand, so as to fix undefined references issues one after each
other."
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