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7ed934a01d2ac8ab603b6dc24e918d8197192068
RedBear-OS/Makefile
T
Jeremy Soller 82084440ad Support nightly-2025-10-03
2025-10-03 21:51:10 -06:00

274 lines
8.1 KiB
Makefile
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ifndef TARGET
export TARGET:=$(shell rustc -Z unstable-options --print target-spec-json | grep llvm-target | cut -d '"' -f4)
endif
CARGO?=cargo
CARGO_TEST?=$(CARGO)
CARGO_COMMON_FLAGS=-Z build-std=core,alloc,compiler_builtins
CARGOFLAGS?=$(CARGO_COMMON_FLAGS)
CC_WRAPPER?=
RUSTCFLAGS?=
export OBJCOPY?=objcopy
export CARGO_TARGET_DIR?=$(shell pwd)/target
BUILD?=$(CARGO_TARGET_DIR)/$(TARGET)
CARGOFLAGS+=--target=$(TARGET)
TARGET_HEADERS?=$(BUILD)/include
export CFLAGS=-I$(TARGET_HEADERS)
PROFILE?=release
HEADERS_UNPARSED=$(shell find src/header -mindepth 1 -maxdepth 1 -type d -not -name "_*" -printf "%f\n")
HEADERS_DEPS=$(shell find src/header -type f \( -name "cbindgen.toml" -o -name "*.rs" \))
#HEADERS=$(patsubst %,%.h,$(subst _,/,$(HEADERS_UNPARSED)))
ifeq ($(TARGET),aarch64-unknown-linux-gnu)
export CC=aarch64-linux-gnu-gcc
export LD=aarch64-linux-gnu-ld
export AR=aarch64-linux-gnu-ar
export NM=aarch64-linux-gnu-nm
export OBJCOPY=aarch64-linux-gnu-objcopy
export CPPFLAGS=
LD_SO_PATH=lib/ld.so.1
endif
ifeq ($(TARGET),aarch64-unknown-redox)
export CC=aarch64-unknown-redox-gcc
export LD=aarch64-unknown-redox-ld
export AR=aarch64-unknown-redox-ar
export NM=aarch64-unknown-redox-nm
export OBJCOPY=aarch64-unknown-redox-objcopy
export CPPFLAGS=
LD_SO_PATH=lib/ld.so.1
endif
ifeq ($(TARGET),i686-unknown-redox)
export CC=i686-unknown-redox-gcc
export LD=i686-unknown-redox-ld
export AR=i686-unknown-redox-ar
export NM=i686-unknown-redox-nm
export OBJCOPY=i686-unknown-redox-objcopy
export CPPFLAGS=
LD_SO_PATH=lib/libc.so.1
endif
ifeq ($(TARGET),x86_64-unknown-linux-gnu)
export CC=x86_64-linux-gnu-gcc
export LD=x86_64-linux-gnu-ld
export AR=x86_64-linux-gnu-ar
export NM=x86_64-linux-gnu-nm
export OBJCOPY=objcopy
export CPPFLAGS=
LD_SO_PATH=lib/ld64.so.1
endif
ifeq ($(TARGET),x86_64-unknown-redox)
export CC=x86_64-unknown-redox-gcc
export LD=x86_64-unknown-redox-ld
export AR=x86_64-unknown-redox-ar
export NM=x86_64-unknown-redox-nm
export OBJCOPY=x86_64-unknown-redox-objcopy
export CPPFLAGS=
LD_SO_PATH=lib/ld64.so.1
endif
ifeq ($(TARGET),riscv64gc-unknown-redox)
export CC=riscv64-unknown-redox-gcc
export LD=riscv64-unknown-redox-ld
export AR=riscv64-unknown-redox-ar
export NM=riscv64-unknown-redox-nm
export OBJCOPY=riscv64-unknown-redox-objcopy
export CPPFLAGS=-march=rv64gc -mabi=lp64d
LD_SO_PATH=lib/ld.so.1
endif
SRC=\
Cargo.* \
$(shell find src -type f)
BUILTINS_VERSION=0.1.70
.PHONY: all clean fmt install install-libs install-headers install-tests libs headers submodules test
all: | headers libs
headers: $(HEADERS_DEPS)
rm -rf $(TARGET_HEADERS)
mkdir -pv $(TARGET_HEADERS)
cp -rv include/* $(TARGET_HEADERS)
cp -v "openlibm/include"/*.h $(TARGET_HEADERS)
cp -v "openlibm/src"/*.h $(TARGET_HEADERS)
set -e ; \
for header in $(HEADERS_UNPARSED); do \
echo "Header $$header"; \
if test -f "src/header/$$header/cbindgen.toml"; then \
out=`echo "$$header" | sed 's/_/\//g'`; \
out="$(TARGET_HEADERS)/$$out.h"; \
cat "src/header/$$header/cbindgen.toml" cbindgen.globdefs.toml \
| cbindgen "src/header/$$header/mod.rs" --config=/dev/stdin --output "$$out"; \
fi \
done
clean:
$(CARGO) clean
$(MAKE) -C tests clean
rm -rf sysroot
check:
$(CARGO) check
fmt:
./fmt.sh
install-headers: headers libs
mkdir -pv "$(DESTDIR)/include"
cp -rv "$(TARGET_HEADERS)"/* "$(DESTDIR)/include"
libs: \
$(BUILD)/$(PROFILE)/libc.a \
$(BUILD)/$(PROFILE)/libc.so \
$(BUILD)/$(PROFILE)/crt0.o \
$(BUILD)/$(PROFILE)/crti.o \
$(BUILD)/$(PROFILE)/crtn.o \
$(BUILD)/$(PROFILE)/ld_so
install-libs: headers libs
mkdir -pv "$(DESTDIR)/lib"
cp -v "$(BUILD)/$(PROFILE)/libc.a" "$(DESTDIR)/lib"
cp -v "$(BUILD)/$(PROFILE)/libc.so" "$(DESTDIR)/lib"
ln -vnfs libc.so "$(DESTDIR)/lib/libc.so.6"
cp -v "$(BUILD)/$(PROFILE)/crt0.o" "$(DESTDIR)/lib"
ln -vnfs crt0.o "$(DESTDIR)/lib/crt1.o"
cp -v "$(BUILD)/$(PROFILE)/crti.o" "$(DESTDIR)/lib"
cp -v "$(BUILD)/$(PROFILE)/crtn.o" "$(DESTDIR)/lib"
cp -v "$(BUILD)/$(PROFILE)/ld_so" "$(DESTDIR)/$(LD_SO_PATH)"
cp -v "$(BUILD)/openlibm/libopenlibm.a" "$(DESTDIR)/lib/libm.a"
# Empty libraries for dl, pthread, and rt
$(AR) -rcs "$(DESTDIR)/lib/libdl.a"
$(AR) -rcs "$(DESTDIR)/lib/libpthread.a"
$(AR) -rcs "$(DESTDIR)/lib/librt.a"
install-tests: tests
$(MAKE) -C tests
mkdir -p "$(DESTDIR)/bin/relibc-tests"
cp -vr tests/bins_static/* "$(DESTDIR)/bin/relibc-tests/"
install: install-headers install-libs
submodules:
git submodule sync
git submodule update --init --recursive
sysroot:
rm -rf $@
rm -rf $@.partial
mkdir -p $@.partial
$(MAKE) install DESTDIR=$@.partial
mv $@.partial $@
touch $@
test: sysroot
# TODO: Fix SIGILL when running cargo test
# $(CARGO_TEST) test
$(MAKE) -C tests run
$(MAKE) -C tests verify
$(BUILD)/$(PROFILE)/libc.so: $(BUILD)/$(PROFILE)/librelibc.a $(BUILD)/openlibm/libopenlibm.a
$(CC) -nostdlib \
-shared \
-Wl,--gc-sections \
-Wl,-z,pack-relative-relocs \
-Wl,--sort-common \
-Wl,--allow-multiple-definition \
-Wl,--whole-archive $^ -Wl,--no-whole-archive \
-Wl,-soname,libc.so.6 \
-lgcc \
-o $@
# Debug targets
$(BUILD)/debug/libc.a: $(BUILD)/debug/librelibc.a $(BUILD)/openlibm/libopenlibm.a
echo "create $@" > "$@.mri"
for lib in $^; do\
echo "addlib $$lib" >> "$@.mri"; \
done
echo "save" >> "$@.mri"
echo "end" >> "$@.mri"
$(AR) -M < "$@.mri"
$(BUILD)/debug/librelibc.a: $(SRC)
$(CARGO) rustc $(CARGOFLAGS) -- --emit link=$@ -g -C debug-assertions=no $(RUSTCFLAGS)
./renamesyms.sh "$@" "$(BUILD)/debug/deps/"
touch $@
$(BUILD)/debug/crt0.o: $(SRC)
$(CARGO) rustc --manifest-path src/crt0/Cargo.toml $(CARGOFLAGS) -- --emit obj=$@ -C panic=abort $(RUSTCFLAGS)
touch $@
$(BUILD)/debug/crti.o: $(SRC)
$(CARGO) rustc --manifest-path src/crti/Cargo.toml $(CARGOFLAGS) -- --emit obj=$@ -C panic=abort $(RUSTCFLAGS)
touch $@
$(BUILD)/debug/crtn.o: $(SRC)
$(CARGO) rustc --manifest-path src/crtn/Cargo.toml $(CARGOFLAGS) -- --emit obj=$@ -C panic=abort $(RUSTCFLAGS)
touch $@
$(BUILD)/debug/ld_so.o: $(SRC)
$(CARGO) rustc --manifest-path ld_so/Cargo.toml $(CARGOFLAGS) -- --emit obj=$@ -C panic=abort -g -C debug-assertions=no $(RUSTCFLAGS)
touch $@
$(BUILD)/debug/ld_so: $(BUILD)/debug/ld_so.o $(BUILD)/debug/crti.o $(BUILD)/debug/libc.a $(BUILD)/debug/crtn.o
$(LD) --no-relax -T ld_so/ld_script/$(TARGET).ld --allow-multiple-definition --gc-sections $^ -o $@
# Release targets
$(BUILD)/release/libc.a: $(BUILD)/release/librelibc.a $(BUILD)/openlibm/libopenlibm.a
echo "create $@" > "$@.mri"
for lib in $^; do\
echo "addlib $$lib" >> "$@.mri"; \
done
echo "save" >> "$@.mri"
echo "end" >> "$@.mri"
$(AR) -M < "$@.mri"
$(BUILD)/release/librelibc.a: $(SRC)
$(CARGO) rustc --release $(CARGOFLAGS) -- --emit link=$@ $(RUSTCFLAGS)
# TODO: Better to only allow a certain whitelisted set of symbols? Perhaps
# use some cbindgen hook, specify them manually, or grep for #[unsafe(no_mangle)].
./renamesyms.sh "$@" "$(BUILD)/release/deps/"
touch $@
$(BUILD)/release/crt0.o: $(SRC)
$(CARGO) rustc --release --manifest-path src/crt0/Cargo.toml $(CARGOFLAGS) -- --emit obj=$@ -C panic=abort $(RUSTCFLAGS)
touch $@
$(BUILD)/release/crti.o: $(SRC)
$(CARGO) rustc --release --manifest-path src/crti/Cargo.toml $(CARGOFLAGS) -- --emit obj=$@ -C panic=abort $(RUSTCFLAGS)
touch $@
$(BUILD)/release/crtn.o: $(SRC)
$(CARGO) rustc --release --manifest-path src/crtn/Cargo.toml $(CARGOFLAGS) -- --emit obj=$@ -C panic=abort $(RUSTCFLAGS)
touch $@
$(BUILD)/release/ld_so.o: $(SRC)
$(CARGO) rustc --release --manifest-path ld_so/Cargo.toml $(CARGOFLAGS) -- --emit obj=$@ -C panic=abort $(RUSTCFLAGS)
touch $@
$(BUILD)/release/ld_so: $(BUILD)/release/ld_so.o $(BUILD)/release/crti.o $(BUILD)/release/libc.a $(BUILD)/release/crtn.o
$(LD) --no-relax -T ld_so/ld_script/$(TARGET).ld --allow-multiple-definition --gc-sections $^ -o $@
# Other targets
$(BUILD)/openlibm: openlibm
rm -rf $@ $@.partial
mkdir -p $(BUILD)
cp -r $< $@.partial
mv $@.partial $@
touch $@
$(BUILD)/openlibm/libopenlibm.a: $(BUILD)/openlibm $(BUILD)/release/librelibc.a
$(MAKE) AR=$(AR) CC="$(CC_WRAPPER) $(CC)" LD=$(LD) CPPFLAGS="$(CPPFLAGS) -fno-stack-protector -I$(shell pwd)/include -I$(TARGET_HEADERS)" -C $< libopenlibm.a
./renamesyms.sh "$@" "$(BUILD)/release/deps/"
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