58 lines
2.0 KiB
Makefile
58 lines
2.0 KiB
Makefile
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include ../tools.mk
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# ignore windows due to libLLVM being present in PATH and the PATH and library path being the same
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# (so fixing it is harder). See #57765 for context
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ifndef IS_WINDOWS
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# This test makes sure that the object files we generate are actually
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# LLVM bitcode files (as used by linker LTO plugins) when compiling with
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# -Clinker-plugin-lto.
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# this only succeeds for bitcode files
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ASSERT_IS_BITCODE_OBJ=("$(LLVM_BIN_DIR)"/llvm-bcanalyzer $(1))
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EXTRACT_OBJS=(cd $(TMPDIR); rm -f ./*.o; "$(LLVM_BIN_DIR)"/llvm-ar x $(1))
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BUILD_LIB=$(RUSTC) lib.rs -Copt-level=2 -Clinker-plugin-lto -Ccodegen-units=1
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BUILD_EXE=$(RUSTC) main.rs -Copt-level=2 -Clinker-plugin-lto -Ccodegen-units=1 --emit=obj
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all: staticlib staticlib-fat-lto staticlib-thin-lto rlib exe cdylib rdylib
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staticlib: lib.rs
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$(BUILD_LIB) --crate-type=staticlib -o $(TMPDIR)/liblib.a
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$(call EXTRACT_OBJS, liblib.a)
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for file in $(TMPDIR)/liblib.*.rcgu.o; do $(call ASSERT_IS_BITCODE_OBJ, $$file); done
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staticlib-fat-lto: lib.rs
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$(BUILD_LIB) --crate-type=staticlib -o $(TMPDIR)/liblib-fat-lto.a -Clto=fat
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$(call EXTRACT_OBJS, liblib-fat-lto.a)
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for file in $(TMPDIR)/liblib-fat-lto.*.rcgu.o; do $(call ASSERT_IS_BITCODE_OBJ, $$file); done
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staticlib-thin-lto: lib.rs
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$(BUILD_LIB) --crate-type=staticlib -o $(TMPDIR)/liblib-thin-lto.a -Clto=thin
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$(call EXTRACT_OBJS, liblib-thin-lto.a)
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for file in $(TMPDIR)/liblib-thin-lto.*.rcgu.o; do $(call ASSERT_IS_BITCODE_OBJ, $$file); done
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rlib: lib.rs
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$(BUILD_LIB) --crate-type=rlib -o $(TMPDIR)/liblib.rlib
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$(call EXTRACT_OBJS, liblib.rlib)
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for file in $(TMPDIR)/liblib.*.rcgu.o; do $(call ASSERT_IS_BITCODE_OBJ, $$file); done
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cdylib: lib.rs
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$(BUILD_LIB) --crate-type=cdylib --emit=obj -o $(TMPDIR)/cdylib.o
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$(call ASSERT_IS_BITCODE_OBJ, $(TMPDIR)/cdylib.o)
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rdylib: lib.rs
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$(BUILD_LIB) --crate-type=dylib --emit=obj -o $(TMPDIR)/rdylib.o
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$(call ASSERT_IS_BITCODE_OBJ, $(TMPDIR)/rdylib.o)
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exe: lib.rs
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$(BUILD_EXE) -o $(TMPDIR)/exe.o
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$(call ASSERT_IS_BITCODE_OBJ, $(TMPDIR)/exe.o)
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else
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all:
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endif
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