| # Test that declare_dependency(objects: ...) fixes issues with duplicated |
| # objects in the final link line, thanks to deduplication of dependencies. |
| # The commented declare_dependency() invocation using link_whole instead |
| # fails thusly: |
| # |
| # ar csrDT libbar.a libfoo.a.p/foo.c.o libbar.a.p/bar.c.o |
| # ar csrDT libfoo.a libfoo.a.p/foo.c.o |
| # 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 |
| # /usr/bin/ld: libfoo.a.p/foo.c.o: in function `foo': |
| # ../foo.c:3: multiple definition of `foo'; libfoo.a.p/foo.c.o:../foo.c:3: first defined here |
| |
| project('Transitive declare_dependency(objects)', 'c') |
| |
| libfoo = static_library('foo', 'foo.c') |
| #foo = declare_dependency(link_whole: libfoo) |
| foo = declare_dependency(objects: libfoo.extract_all_objects(recursive: true)) |
| |
| libbar = static_library('bar', 'bar.c', dependencies: foo) |
| |
| #bar = declare_dependency(link_whole: libbar, dependencies: foo) |
| bar = declare_dependency(objects: libbar.extract_all_objects(recursive: true), dependencies: foo) |
| |
| executable('prog', sources: files('prog.c'), dependencies: [foo, bar]) |
