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24 lines
1.2 KiB
24 lines
1.2 KiB
2 years ago
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# Test that declare_dependency(objects: ...) fixes issues with duplicated
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# objects in the final link line, thanks to deduplication of dependencies.
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# The commented declare_dependency() invocation using link_whole instead
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# fails thusly:
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#
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# ar csrDT libbar.a libfoo.a.p/foo.c.o libbar.a.p/bar.c.o
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# ar csrDT libfoo.a libfoo.a.p/foo.c.o
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# cc -o prog prog.p/prog.c.o -Wl,--as-needed -Wl,--no-undefined -Wl,--whole-archive -Wl,--start-group libfoo.a libbar.a -Wl,--end-group -Wl,--no-whole-archive
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# /usr/bin/ld: libfoo.a.p/foo.c.o: in function `foo':
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# ../foo.c:3: multiple definition of `foo'; libfoo.a.p/foo.c.o:../foo.c:3: first defined here
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project('Transitive declare_dependency(objects)', 'c')
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libfoo = static_library('foo', 'foo.c')
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#foo = declare_dependency(link_whole: libfoo)
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foo = declare_dependency(objects: libfoo.extract_all_objects(recursive: true))
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libbar = static_library('bar', 'bar.c', dependencies: foo)
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#bar = declare_dependency(link_whole: libbar, dependencies: foo)
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bar = declare_dependency(objects: libbar.extract_all_objects(recursive: true), dependencies: foo)
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executable('prog', sources: files('prog.c'), dependencies: [foo, bar])
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