1 2include ../tools.mk 3 4# ignore windows due to libLLVM being present in PATH and the PATH and library path being the same 5# (so fixing it is harder). See #57765 for context 6ifndef IS_WINDOWS 7 8# This test makes sure that the object files we generate are actually 9# LLVM bitcode files (as used by linker LTO plugins) when compiling with 10# -Clinker-plugin-lto. 11 12# this only succeeds for bitcode files 13ASSERT_IS_BITCODE_OBJ=("$(LLVM_BIN_DIR)"/llvm-bcanalyzer $(1)) 14EXTRACT_OBJS=(cd $(TMPDIR); rm -f ./*.o; "$(LLVM_BIN_DIR)"/llvm-ar x $(1)) 15 16BUILD_LIB=$(RUSTC) lib.rs -Copt-level=2 -Clinker-plugin-lto -Ccodegen-units=1 17BUILD_EXE=$(RUSTC) main.rs -Copt-level=2 -Clinker-plugin-lto -Ccodegen-units=1 --emit=obj 18 19all: staticlib staticlib-fat-lto staticlib-thin-lto rlib exe cdylib rdylib 20 21staticlib: lib.rs 22 $(BUILD_LIB) --crate-type=staticlib -o $(TMPDIR)/liblib.a 23 $(call EXTRACT_OBJS, liblib.a) 24 for file in $(TMPDIR)/liblib.*.rcgu.o; do $(call ASSERT_IS_BITCODE_OBJ, $$file); done 25 26staticlib-fat-lto: lib.rs 27 $(BUILD_LIB) --crate-type=staticlib -o $(TMPDIR)/liblib-fat-lto.a -Clto=fat 28 $(call EXTRACT_OBJS, liblib-fat-lto.a) 29 for file in $(TMPDIR)/liblib-fat-lto.*.rcgu.o; do $(call ASSERT_IS_BITCODE_OBJ, $$file); done 30 31staticlib-thin-lto: lib.rs 32 $(BUILD_LIB) --crate-type=staticlib -o $(TMPDIR)/liblib-thin-lto.a -Clto=thin 33 $(call EXTRACT_OBJS, liblib-thin-lto.a) 34 for file in $(TMPDIR)/liblib-thin-lto.*.rcgu.o; do $(call ASSERT_IS_BITCODE_OBJ, $$file); done 35 36rlib: lib.rs 37 $(BUILD_LIB) --crate-type=rlib -o $(TMPDIR)/liblib.rlib 38 $(call EXTRACT_OBJS, liblib.rlib) 39 for file in $(TMPDIR)/liblib.*.rcgu.o; do $(call ASSERT_IS_BITCODE_OBJ, $$file); done 40 41cdylib: lib.rs 42 $(BUILD_LIB) --crate-type=cdylib --emit=obj -o $(TMPDIR)/cdylib.o 43 $(call ASSERT_IS_BITCODE_OBJ, $(TMPDIR)/cdylib.o) 44 45rdylib: lib.rs 46 $(BUILD_LIB) --crate-type=dylib --emit=obj -o $(TMPDIR)/rdylib.o 47 $(call ASSERT_IS_BITCODE_OBJ, $(TMPDIR)/rdylib.o) 48 49exe: lib.rs 50 $(BUILD_EXE) -o $(TMPDIR)/exe.o 51 $(call ASSERT_IS_BITCODE_OBJ, $(TMPDIR)/exe.o) 52 53else 54 55all: 56 57endif 58