Mateusz Tabaka
c000373a08
Typically it's the other way around, but we can't have shared library named libc.so.6 in target/release directory. cargo includes 'target/release' in LD_LIBRARY_PATH for build script, so even if clean build runs fine, every subsquent run will make build script link with relibc.
210 lines
6.7 KiB
Makefile
210 lines
6.7 KiB
Makefile
TARGET?=
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CARGO?=cargo
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CARGO_TEST?=$(CARGO)
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CARGOFLAGS?=
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RUSTCFLAGS?=
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# When using xargo, build it in local location
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export XARGO_HOME=$(CURDIR)/target/xargo
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export OBJCOPY=objcopy
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BUILD=target
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ifneq ($(TARGET),)
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BUILD="target/$(TARGET)"
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CARGOFLAGS+="--target=$(TARGET)"
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endif
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ifeq ($(TARGET),aarch64-unknown-linux-gnu)
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export CC=aarch64-linux-gnu-gcc
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export LD=aarch64-linux-gnu-ld
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export AR=aarch64-linux-gnu-ar
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export OBJCOPY=aarch64-linux-gnu-objcopy
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endif
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ifeq ($(TARGET),aarch64-unknown-redox)
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export CC=aarch64-unknown-redox-gcc
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export LD=aarch64-unknown-redox-ld
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export AR=aarch64-unknown-redox-ar
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export OBJCOPY=aarch64-unknown-redox-objcopy
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endif
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ifeq ($(TARGET),x86_64-unknown-redox)
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export CC=x86_64-unknown-redox-gcc
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export LD=x86_64-unknown-redox-ld
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export AR=x86_64-unknown-redox-ar
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export OBJCOPY=x86_64-unknown-redox-objcopy
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endif
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SRC=\
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Cargo.* \
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$(shell find src -type f)
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# FIXME: Remove the following line. It's only required since xargo automatically links with compiler_builtins, which conflicts with the compiler_builtins that rustc always links with.
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WEAKEN_SYMBOLS=\
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-W __divti3 \
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-W __fixdfti \
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-W __floattidf \
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-W __muloti4 \
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-W __udivti3 \
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-W __umodti3 \
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-W __rust_probestack
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.PHONY: all clean fmt install install-headers libs test
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all: | libs
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clean:
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$(CARGO) clean
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$(MAKE) -C tests clean
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rm -rf sysroot
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check:
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$(CARGO) check
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fmt:
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./fmt.sh
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install-headers: libs
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mkdir -pv "$(DESTDIR)/include"
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cp -rv "include"/* "$(DESTDIR)/include"
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cp -rv "target/include"/* "$(DESTDIR)/include"
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cp -v "openlibm/include"/*.h "$(DESTDIR)/include"
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cp -v "openlibm/src"/*.h "$(DESTDIR)/include"
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cp -v "pthreads-emb/"*.h "$(DESTDIR)/include"
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libs: \
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$(BUILD)/release/libc.a \
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$(BUILD)/release/libc.so \
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$(BUILD)/release/crt0.o \
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$(BUILD)/release/crti.o \
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$(BUILD)/release/crtn.o \
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$(BUILD)/release/ld_so
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install-libs: libs
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mkdir -pv "$(DESTDIR)/lib"
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cp -v "$(BUILD)/release/libc.a" "$(DESTDIR)/lib"
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cp -v "$(BUILD)/release/libc.so" "$(DESTDIR)/lib"
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ln -sr "$(DESTDIR)/lib/libc.so" "$(DESTDIR)/lib/libc.so.6"
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cp -v "$(BUILD)/release/crt0.o" "$(DESTDIR)/lib"
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cp -v "$(BUILD)/release/crti.o" "$(DESTDIR)/lib"
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cp -v "$(BUILD)/release/crtn.o" "$(DESTDIR)/lib"
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cp -v "$(BUILD)/release/ld_so" "$(DESTDIR)/lib/ld64.so.1"
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cp -v "$(BUILD)/openlibm/libopenlibm.a" "$(DESTDIR)/lib/libm.a"
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cp -v "$(BUILD)/pthreads-emb/libpthread.a" "$(DESTDIR)/lib/libpthread.a"
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install: install-headers install-libs
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sysroot: all
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rm -rf $@
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rm -rf $@.partial
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mkdir -p $@.partial
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$(MAKE) install DESTDIR=$@.partial
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mv $@.partial $@
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touch $@
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test: sysroot
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# TODO: Fix SIGILL when running cargo test
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# $(CARGO_TEST) test
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$(MAKE) -C tests verify
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# Debug targets
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$(BUILD)/debug/libc.a: $(BUILD)/debug/librelibc.a $(BUILD)/pthreads-emb/libpthread.a $(BUILD)/openlibm/libopenlibm.a
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echo "create $@" > "$@.mri"
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for lib in $^; do\
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echo "addlib $$lib" >> "$@.mri"; \
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done
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echo "save" >> "$@.mri"
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echo "end" >> "$@.mri"
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$(AR) -M < "$@.mri"
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$(BUILD)/debug/libc.so: $(BUILD)/debug/librelibc.a $(BUILD)/pthreads-emb/libpthread.a $(BUILD)/openlibm/libopenlibm.a
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$(CC) -nostdlib -shared -Wl,--allow-multiple-definition -Wl,--whole-archive $^ -Wl,--no-whole-archive -Wl,-soname,libc.so.6 -o $@
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$(BUILD)/debug/librelibc.a: $(SRC)
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CARGO_INCREMENTAL=0 $(CARGO) rustc $(CARGOFLAGS) -- --emit link=$@ $(RUSTCFLAGS)
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# FIXME: Remove the following line. It's only required since xargo automatically links with compiler_builtins, which conflicts with the compiler_builtins that rustc always links with.
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$(OBJCOPY) $@ $(WEAKEN_SYMBOLS)
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touch $@
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$(BUILD)/debug/crt0.o: $(SRC)
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CARGO_INCREMENTAL=0 $(CARGO) rustc --manifest-path src/crt0/Cargo.toml $(CARGOFLAGS) -- --emit obj=$@ -C panic=abort $(RUSTCFLAGS)
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touch $@
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$(BUILD)/debug/crti.o: $(SRC)
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CARGO_INCREMENTAL=0 $(CARGO) rustc --manifest-path src/crti/Cargo.toml $(CARGOFLAGS) -- --emit obj=$@ -C panic=abort $(RUSTCFLAGS)
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touch $@
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$(BUILD)/debug/crtn.o: $(SRC)
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CARGO_INCREMENTAL=0 $(CARGO) rustc --manifest-path src/crtn/Cargo.toml $(CARGOFLAGS) -- --emit obj=$@ -C panic=abort $(RUSTCFLAGS)
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touch $@
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$(BUILD)/debug/ld_so.o: $(SRC)
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CARGO_INCREMENTAL=0 $(CARGO) rustc --manifest-path src/ld_so/Cargo.toml $(CARGOFLAGS) -- --emit obj=$@ -C panic=abort $(RUSTCFLAGS)
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touch $@
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$(BUILD)/debug/ld_so: $(BUILD)/debug/ld_so.o $(BUILD)/debug/crti.o $(BUILD)/debug/libc.a $(BUILD)/debug/crtn.o
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$(LD) --no-relax -T src/ld_so/ld_script --allow-multiple-definition --gc-sections --gc-keep-exported $^ -o $@
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# Release targets
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$(BUILD)/release/libc.a: $(BUILD)/release/librelibc.a $(BUILD)/pthreads-emb/libpthread.a $(BUILD)/openlibm/libopenlibm.a
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echo "create $@" > "$@.mri"
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for lib in $^; do\
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echo "addlib $$lib" >> "$@.mri"; \
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done
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echo "save" >> "$@.mri"
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echo "end" >> "$@.mri"
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$(AR) -M < "$@.mri"
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$(BUILD)/release/libc.so: $(BUILD)/release/librelibc.a $(BUILD)/pthreads-emb/libpthread.a $(BUILD)/openlibm/libopenlibm.a
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$(CC) -nostdlib -shared -Wl,--allow-multiple-definition -Wl,--whole-archive $^ -Wl,--no-whole-archive -Wl,-soname,libc.so.6 -o $@
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$(BUILD)/release/librelibc.a: $(SRC)
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CARGO_INCREMENTAL=0 $(CARGO) rustc --release $(CARGOFLAGS) -- --emit link=$@ $(RUSTCFLAGS)
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$(OBJCOPY) $@ $(WEAKEN_SYMBOLS)
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touch $@
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$(BUILD)/release/crt0.o: $(SRC)
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CARGO_INCREMENTAL=0 $(CARGO) rustc --release --manifest-path src/crt0/Cargo.toml $(CARGOFLAGS) -- --emit obj=$@ -C panic=abort $(RUSTCFLAGS)
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touch $@
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$(BUILD)/release/crti.o: $(SRC)
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CARGO_INCREMENTAL=0 $(CARGO) rustc --release --manifest-path src/crti/Cargo.toml $(CARGOFLAGS) -- --emit obj=$@ -C panic=abort $(RUSTCFLAGS)
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touch $@
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$(BUILD)/release/crtn.o: $(SRC)
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CARGO_INCREMENTAL=0 $(CARGO) rustc --release --manifest-path src/crtn/Cargo.toml $(CARGOFLAGS) -- --emit obj=$@ -C panic=abort $(RUSTCFLAGS)
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touch $@
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$(BUILD)/release/ld_so.o: $(SRC)
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CARGO_INCREMENTAL=0 $(CARGO) rustc --release --manifest-path src/ld_so/Cargo.toml $(CARGOFLAGS) -- --emit obj=$@ -C panic=abort $(RUSTCFLAGS)
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touch $@
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$(BUILD)/release/ld_so: $(BUILD)/release/ld_so.o $(BUILD)/release/crti.o $(BUILD)/release/libc.a $(BUILD)/release/crtn.o
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$(LD) --no-relax -T src/ld_so/ld_script --allow-multiple-definition --gc-sections --gc-keep-exported $^ -o $@
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# Other targets
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$(BUILD)/openlibm: openlibm
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rm -rf $@ $@.partial
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mkdir -p $(BUILD)
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cp -r $< $@.partial
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mv $@.partial $@
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touch $@
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$(BUILD)/openlibm/libopenlibm.a: $(BUILD)/openlibm $(BUILD)/release/librelibc.a
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$(MAKE) CC=$(CC) CPPFLAGS="-fno-stack-protector -I $(shell pwd)/include -I $(shell pwd)/target/include" -C $< libopenlibm.a
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$(BUILD)/pthreads-emb: pthreads-emb
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rm -rf $@ $@.partial
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mkdir -p $(BUILD)
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cp -r $< $@.partial
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mv $@.partial $@
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touch $@
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$(BUILD)/pthreads-emb/libpthread.a: $(BUILD)/pthreads-emb $(BUILD)/release/librelibc.a
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$(MAKE) CC=$(CC) CFLAGS="-fno-stack-protector -I $(shell pwd)/include -I $(shell pwd)/target/include" -C $< libpthread.a
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