1TARGET?=$(shell rustc -Z unstable-options --print target-spec-json | grep llvm-target | cut -d '"' -f4) 2 3CARGO?=cargo 4CARGO_TEST?=$(CARGO) 5CARGO_COMMON_FLAGS=-Z build-std=core,alloc,compiler_builtins 6CARGOFLAGS?=$(CARGO_COMMON_FLAGS) 7RUSTCFLAGS?= 8export OBJCOPY?=objcopy 9 10BUILD="target/$(TARGET)" 11CARGOFLAGS+="--target=$(TARGET)" 12 13ifeq ($(TARGET),aarch64-unknown-linux-gnu) 14 export CC=aarch64-linux-gnu-gcc 15 export LD=aarch64-linux-gnu-ld 16 export AR=aarch64-linux-gnu-ar 17 export OBJCOPY=aarch64-linux-gnu-objcopy 18endif 19 20ifeq ($(TARGET),aarch64-unknown-redox) 21 export CC=aarch64-unknown-redox-gcc 22 export LD=aarch64-unknown-redox-ld 23 export AR=aarch64-unknown-redox-ar 24 export OBJCOPY=aarch64-unknown-redox-objcopy 25endif 26 27ifeq ($(TARGET),x86_64-unknown-linux-gnu) 28 export CC=x86_64-linux-gnu-gcc 29 export LD=x86_64-linux-gnu-ld 30 export AR=x86_64-linux-gnu-ar 31 export OBJCOPY=x86_64-linux-gnu-objcopy 32endif 33 34ifeq ($(TARGET),i686-unknown-redox) 35 export CC=i686-unknown-redox-gcc 36 export LD=i686-unknown-redox-ld 37 export AR=i686-unknown-redox-ar 38 export OBJCOPY=i686-unknown-redox-objcopy 39endif 40 41ifeq ($(TARGET),x86_64-unknown-redox) 42 export CC=x86_64-unknown-redox-gcc 43 export LD=x86_64-unknown-redox-ld 44 export AR=x86_64-unknown-redox-ar 45 export OBJCOPY=x86_64-unknown-redox-objcopy 46endif 47 48SRC=\ 49 Cargo.* \ 50 $(shell find src -type f) 51 52BUILTINS_VERSION=0.1.70 53 54.PHONY: all clean fmt install install-headers libs submodules test 55 56all: | libs 57 58clean: 59 $(CARGO) clean 60 $(MAKE) -C tests clean 61 rm -rf sysroot 62 63check: 64 $(CARGO) check 65 66fmt: 67 ./fmt.sh 68 69install-headers: libs 70 mkdir -pv "$(DESTDIR)/include" 71 cp -rv "include"/* "$(DESTDIR)/include" 72 cp -rv "target/include"/* "$(DESTDIR)/include" 73 cp -v "openlibm/include"/*.h "$(DESTDIR)/include" 74 cp -v "openlibm/src"/*.h "$(DESTDIR)/include" 75 cp -v "pthreads-emb/"*.h "$(DESTDIR)/include" 76 77libs: \ 78 $(BUILD)/release/libc.a \ 79 $(BUILD)/release/libc.so \ 80 $(BUILD)/release/crt0.o \ 81 $(BUILD)/release/crti.o \ 82 $(BUILD)/release/crtn.o \ 83 $(BUILD)/release/ld_so 84 85install-libs: libs 86 mkdir -pv "$(DESTDIR)/lib" 87 cp -v "$(BUILD)/release/libc.a" "$(DESTDIR)/lib" 88 cp -v "$(BUILD)/release/libc.so" "$(DESTDIR)/lib" 89 ln -frsv "$(DESTDIR)/lib/libc.so" "$(DESTDIR)/lib/libc.so.6" 90 cp -v "$(BUILD)/release/crt0.o" "$(DESTDIR)/lib" 91 ln -frsv "$(DESTDIR)/lib/crt0.o" "$(DESTDIR)/lib/crt1.o" 92 cp -v "$(BUILD)/release/crti.o" "$(DESTDIR)/lib" 93 cp -v "$(BUILD)/release/crtn.o" "$(DESTDIR)/lib" 94 cp -v "$(BUILD)/release/ld_so" "$(DESTDIR)/lib/ld64.so.1" 95 cp -v "$(BUILD)/openlibm/libopenlibm.a" "$(DESTDIR)/lib/libm.a" 96 cp -v "$(BUILD)/pthreads-emb/libpthread.a" "$(DESTDIR)/lib/libpthread.a" 97 # Empty libraries for dl and rt 98 $(AR) -rcs "$(DESTDIR)/lib/libdl.a" 99 $(AR) -rcs "$(DESTDIR)/lib/librt.a" 100 101install: install-headers install-libs 102 103submodules: 104 git submodule sync 105 git submodule update --init --recursive 106 107sysroot: all 108 rm -rf $@ 109 rm -rf $@.partial 110 mkdir -p $@.partial 111 $(MAKE) install DESTDIR=$@.partial 112 mv $@.partial $@ 113 touch $@ 114 115test: sysroot 116 # TODO: Fix SIGILL when running cargo test 117 # $(CARGO_TEST) test 118 $(MAKE) -C tests verify 119 120# Debug targets 121 122$(BUILD)/debug/libc.a: $(BUILD)/debug/librelibc.a $(BUILD)/pthreads-emb/libpthread.a $(BUILD)/openlibm/libopenlibm.a 123 echo "create $@" > "$@.mri" 124 for lib in $^; do\ 125 echo "addlib $$lib" >> "$@.mri"; \ 126 done 127 echo "save" >> "$@.mri" 128 echo "end" >> "$@.mri" 129 $(AR) -M < "$@.mri" 130 131$(BUILD)/debug/libc.so: $(BUILD)/debug/librelibc.a $(BUILD)/pthreads-emb/libpthread.a $(BUILD)/openlibm/libopenlibm.a 132 $(CC) -nostdlib -shared -Wl,--allow-multiple-definition -Wl,--whole-archive $^ -Wl,--no-whole-archive -Wl,-soname,libc.so.6 -o $@ 133 134$(BUILD)/debug/librelibc.a: $(SRC) 135 CARGO_INCREMENTAL=0 $(CARGO) rustc $(CARGOFLAGS) -- --emit link=$@ $(RUSTCFLAGS) 136 ./renamesyms.sh $@ $(BUILD)/debug/deps/ 137 touch $@ 138 139$(BUILD)/debug/crt0.o: $(SRC) 140 CARGO_INCREMENTAL=0 $(CARGO) rustc --manifest-path src/crt0/Cargo.toml $(CARGOFLAGS) -- --emit obj=$@ -C panic=abort $(RUSTCFLAGS) 141 touch $@ 142 143$(BUILD)/debug/crti.o: $(SRC) 144 CARGO_INCREMENTAL=0 $(CARGO) rustc --manifest-path src/crti/Cargo.toml $(CARGOFLAGS) -- --emit obj=$@ -C panic=abort $(RUSTCFLAGS) 145 touch $@ 146 147$(BUILD)/debug/crtn.o: $(SRC) 148 CARGO_INCREMENTAL=0 $(CARGO) rustc --manifest-path src/crtn/Cargo.toml $(CARGOFLAGS) -- --emit obj=$@ -C panic=abort $(RUSTCFLAGS) 149 touch $@ 150 151$(BUILD)/debug/ld_so.o: $(SRC) 152 CARGO_INCREMENTAL=0 $(CARGO) rustc --manifest-path src/ld_so/Cargo.toml $(CARGOFLAGS) -- --emit obj=$@ -C panic=abort $(RUSTCFLAGS) 153 touch $@ 154 155$(BUILD)/debug/ld_so: $(BUILD)/debug/ld_so.o $(BUILD)/debug/crti.o $(BUILD)/debug/libc.a $(BUILD)/debug/crtn.o 156 $(LD) --no-relax -T src/ld_so/ld_script/$(TARGET).ld --allow-multiple-definition --gc-sections --gc-keep-exported $^ -o $@ 157 158# Release targets 159 160$(BUILD)/release/libc.a: $(BUILD)/release/librelibc.a $(BUILD)/pthreads-emb/libpthread.a $(BUILD)/openlibm/libopenlibm.a 161 echo "create $@" > "$@.mri" 162 for lib in $^; do\ 163 echo "addlib $$lib" >> "$@.mri"; \ 164 done 165 echo "save" >> "$@.mri" 166 echo "end" >> "$@.mri" 167 $(AR) -M < "$@.mri" 168 169$(BUILD)/release/libc.so: $(BUILD)/release/librelibc.a $(BUILD)/pthreads-emb/libpthread.a $(BUILD)/openlibm/libopenlibm.a 170 $(CC) -nostdlib -shared -Wl,--allow-multiple-definition -Wl,--whole-archive $^ -Wl,--no-whole-archive -Wl,-soname,libc.so.6 -o $@ 171 172$(BUILD)/release/librelibc.a: $(SRC) 173 CARGO_INCREMENTAL=0 $(CARGO) rustc --release $(CARGOFLAGS) -- --emit link=$@ $(RUSTCFLAGS) 174 # TODO: Better to only allow a certain whitelisted set of symbols? Perhaps 175 # use some cbindgen hook, specify them manually, or grep for #[no_mangle]. 176 ./renamesyms.sh $@ $(BUILD)/release/deps/ 177 touch $@ 178 179$(BUILD)/release/crt0.o: $(SRC) 180 CARGO_INCREMENTAL=0 $(CARGO) rustc --release --manifest-path src/crt0/Cargo.toml $(CARGOFLAGS) -- --emit obj=$@ -C panic=abort $(RUSTCFLAGS) 181 touch $@ 182 183$(BUILD)/release/crti.o: $(SRC) 184 CARGO_INCREMENTAL=0 $(CARGO) rustc --release --manifest-path src/crti/Cargo.toml $(CARGOFLAGS) -- --emit obj=$@ -C panic=abort $(RUSTCFLAGS) 185 touch $@ 186 187$(BUILD)/release/crtn.o: $(SRC) 188 CARGO_INCREMENTAL=0 $(CARGO) rustc --release --manifest-path src/crtn/Cargo.toml $(CARGOFLAGS) -- --emit obj=$@ -C panic=abort $(RUSTCFLAGS) 189 touch $@ 190 191$(BUILD)/release/ld_so.o: $(SRC) 192 CARGO_INCREMENTAL=0 $(CARGO) rustc --release --manifest-path src/ld_so/Cargo.toml $(CARGOFLAGS) -- --emit obj=$@ -C panic=abort $(RUSTCFLAGS) 193 touch $@ 194 195$(BUILD)/release/ld_so: $(BUILD)/release/ld_so.o $(BUILD)/release/crti.o $(BUILD)/release/libc.a $(BUILD)/release/crtn.o 196 $(LD) --no-relax -T src/ld_so/ld_script/$(TARGET).ld --allow-multiple-definition --gc-sections --gc-keep-exported $^ -o $@ 197 198# Other targets 199 200$(BUILD)/openlibm: openlibm 201 rm -rf $@ $@.partial 202 mkdir -p $(BUILD) 203 cp -r $< $@.partial 204 mv $@.partial $@ 205 touch $@ 206 207$(BUILD)/openlibm/libopenlibm.a: $(BUILD)/openlibm $(BUILD)/release/librelibc.a 208 $(MAKE) AR=$(AR) CC=$(CC) LD=$(LD) CPPFLAGS="-fno-stack-protector -I $(shell pwd)/include -I $(shell pwd)/target/include" -C $< libopenlibm.a 209 210$(BUILD)/pthreads-emb: pthreads-emb 211 rm -rf $@ $@.partial 212 mkdir -p $(BUILD) 213 cp -r $< $@.partial 214 mv $@.partial $@ 215 touch $@ 216 217$(BUILD)/pthreads-emb/libpthread.a: $(BUILD)/pthreads-emb $(BUILD)/release/librelibc.a 218 $(MAKE) AR=$(AR) CC=$(CC) LD=$(LD) CFLAGS="-fno-stack-protector -I $(shell pwd)/include -I $(shell pwd)/target/include" -C $< libpthread.a 219