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Diffstat (limited to 'tests/run-make/redundant-libs/Makefile')
| -rw-r--r-- | tests/run-make/redundant-libs/Makefile | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/tests/run-make/redundant-libs/Makefile b/tests/run-make/redundant-libs/Makefile new file mode 100644 index 000000000..0a48b2b28 --- /dev/null +++ b/tests/run-make/redundant-libs/Makefile @@ -0,0 +1,24 @@ +# ignore-cross-compile +include ../tools.mk + +# ignore-windows-msvc + +# rustc will remove one of the two redundant references to foo below. Depending +# on which one gets removed, we'll get a linker error on SOME platforms (like +# Linux). On these platforms, when a library is referenced, the linker will +# only pull in the symbols needed _at that point in time_. If a later library +# depends on additional symbols from the library, they will not have been pulled +# in, and you'll get undefined symbols errors. +# +# So in this example, we need to ensure that rustc keeps the _later_ reference +# to foo, and not the former one. +RUSTC_FLAGS = \ + -l static=bar \ + -l foo \ + -l static=baz \ + -l foo \ + --print link-args + +all: $(call DYLIB,foo) $(call STATICLIB,bar) $(call STATICLIB,baz) + $(RUSTC) $(RUSTC_FLAGS) main.rs + $(call RUN,main) |