82 lines
2.1 KiB
Makefile
82 lines
2.1 KiB
Makefile
CC := gcc
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CARGO := rustup run nightly cargo
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THIS_DIR := $(dir $(realpath $(lastword $(MAKEFILE_LIST))))
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REPO_ROOT := $(THIS_DIR)/..
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RUST_TARGET_DIR := $(REPO_ROOT)/target/x86_64-unknown-linux-musl/size-optimized
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RUSTFLAGS := -Zlocation-detail=none \
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-Zfmt-debug=none \
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-C linker=musl-gcc \
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-C link-arg=-s \
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-C link-arg=--gc-sections \
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-C link-arg=-z,norelro \
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-C link-arg=--hash-style=gnu \
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--crate-type=staticlib \
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-C panic=abort
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CARGOFLAGS := --manifest-path=$(REPO_ROOT)/Cargo.toml \
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--profile=size-optimized \
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--no-default-features \
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--target=x86_64-unknown-linux-musl \
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-Zbuild-std="core,std,alloc,proc_macro,panic_abort" \
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-Zbuild-std-features="panic_immediate_abort" \
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CCFLAGS := -static -Os \
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-ffunction-sections -fdata-sections \
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-fwrapv -fomit-frame-pointer -fno-stack-protector\
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-fwhole-program \
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-nodefaultlibs -lservicepoint_binding_c -lc \
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-Wl,--gc-sections \
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-fno-unroll-loops \
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-fno-unwind-tables -fno-asynchronous-unwind-tables \
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-fmerge-all-constants \
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-Wl,-z,norelro \
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-Wl,--hash-style=gnu \
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-fvisibility=hidden \
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-Bsymbolic \
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-Wl,--exclude-libs,ALL \
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-fno-ident
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#-fuse-ld=gold \
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-fno-exceptions
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#-Wl,--icf=all \
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export SERVICEPOINT_HEADER_OUT := $(REPO_ROOT)/include
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build: out/example
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clean:
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rm -r out || true
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rm include/servicepoint.h || true
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cargo clean
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run: out/example
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out/example
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PHONY: build clean dependencies run
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out/example_unstripped: dependencies main.c
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mkdir -p out || true
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${CC} main.c \
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-I $(SERVICEPOINT_HEADER_OUT) \
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-L $(RUST_TARGET_DIR)\
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$(CCFLAGS) \
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-o out/example_unstripped
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out/example: out/example_unstripped
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strip -s --strip-unneeded \
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-R .comment -R .gnu.version -R .comment -R .note -R .note.gnu.build-id -R .note.ABI-tag \
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out/example_unstripped \
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-o out/example
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dependencies: FORCE
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mkdir -p include || true
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# generate servicepoint header and binary to link against
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${CARGO} rustc $(CARGOFLAGS) -- $(RUSTFLAGS)
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analyze-size: out/example_unstripped
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nm --print-size --size-sort --reverse-sort --radix=d --demangle out/example_unstripped \
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| awk '{size=$$2+0; print size "\t" $$4}' \
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| less
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FORCE: ;
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