diff options
Diffstat (limited to 'tests/run-make/crate-hash-rustc-version/Makefile')
| -rw-r--r-- | tests/run-make/crate-hash-rustc-version/Makefile | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/tests/run-make/crate-hash-rustc-version/Makefile b/tests/run-make/crate-hash-rustc-version/Makefile new file mode 100644 index 000000000..f1d2a3604 --- /dev/null +++ b/tests/run-make/crate-hash-rustc-version/Makefile @@ -0,0 +1,38 @@ +# ignore-cross-compile +include ../tools.mk + +# Ensure that crates compiled with different rustc versions cannot +# be dynamically linked. + +FLAGS := -Cprefer-dynamic -Zsymbol-mangling-version=v0 +UNAME := $(shell uname) +ifeq ($(UNAME),Linux) + EXT=".so" + NM_CMD := nm -D +endif +ifeq ($(UNAME),Darwin) + EXT=".dylib" + NM_CMD := nm +endif + +ifndef NM_CMD +all: + exit 0 +else +all: + # a.rs is a dylib + $(RUSTC) a.rs --crate-type=dylib $(FLAGS) + # Write symbols to disk. + $(NM_CMD) $(call DYLIB,a) > $(TMPDIR)/symbolsbefore + # b.rs is a binary + $(RUSTC) b.rs --extern a=$(TMPDIR)/liba$(EXT) --crate-type=bin -Crpath $(FLAGS) + $(call RUN,b) + # Now re-compile a.rs with another rustc version + RUSTC_FORCE_RUSTC_VERSION=deadfeed $(RUSTC) a.rs --crate-type=dylib $(FLAGS) + # After compiling with a different rustc version, write symbols to disk again. + $(NM_CMD) $(call DYLIB,a) > $(TMPDIR)/symbolsafter + # As a sanity check, test if the symbols changed: + # If the symbols are identical, there's been an error. + if diff $(TMPDIR)/symbolsbefore $(TMPDIR)/symbolsafter; then exit 1; fi + $(call FAIL,b) +endif |