servicepoint-binding-c/examples/lang_c/Makefile
2025-04-12 16:25:20 +02:00

74 lines
2 KiB
Makefile

CC := gcc
CARGO := rustup run nightly cargo
THIS_DIR := $(dir $(realpath $(lastword $(MAKEFILE_LIST))))
REPO_ROOT := $(THIS_DIR)/../../
RUST_TARGET_DIR := $(REPO_ROOT)/target/x86_64-unknown-linux-musl/size-optimized
RUSTFLAGS := -Zlocation-detail=none \
-Zfmt-debug=none \
-C linker=musl-gcc \
-C link-arg=-s \
-C link-arg=--gc-sections \
-C link-arg=-z,norelro \
-C link-arg=--hash-style=gnu \
--crate-type=staticlib \
-C panic=abort
CARGOFLAGS := --manifest-path=$(REPO_ROOT)/Cargo.toml \
--profile=size-optimized \
--no-default-features \
--target=x86_64-unknown-linux-musl \
-Zbuild-std="core,std,alloc,proc_macro,panic_abort" \
-Zbuild-std-features="panic_immediate_abort" \
CCFLAGS := -static -Os \
-ffunction-sections -fdata-sections \
-fwrapv -fomit-frame-pointer -fno-stack-protector\
-fwhole-program \
-nodefaultlibs -lservicepoint_binding_c -lc \
-Wl,--gc-sections \
-fno-unroll-loops \
-fno-unwind-tables -fno-asynchronous-unwind-tables \
-fmerge-all-constants \
-Wl,-z,norelro \
-Wl,--hash-style=gnu \
-fvisibility=hidden \
-Bsymbolic \
-Wl,--exclude-libs,ALL \
-fno-ident
#-fuse-ld=gold \
-fno-exceptions
#-Wl,--icf=all \
export SERVICEPOINT_HEADER_OUT := $(THIS_DIR)/include
build: out/lang_c
clean:
rm -r out || true
rm include/servicepoint.h || true
cargo clean
run: out/lang_c
out/lang_c
PHONY: build clean dependencies run
out/lang_c_unstripped: dependencies src/main.c
mkdir -p out || true
${CC} src/main.c \
-I $(SERVICEPOINT_HEADER_OUT) \
-L $(RUST_TARGET_DIR)\
$(CCFLAGS) \
-o out/lang_c_unstripped
out/lang_c: out/lang_c_unstripped
strip -s -R .comment -R .gnu.version --strip-unneeded out/lang_c_unstripped -o out/lang_c
#strip -S --strip-unneeded --remove-section=.note.gnu.gold-version --remove-section=.comment --remove-section=.note --remove-section=.note.gnu.build-id --remove-section=.note.ABI-tag
dependencies: FORCE
mkdir -p include || true
# generate servicepoint header and binary to link against
${CARGO} rustc $(CARGOFLAGS) -- $(RUSTFLAGS)
FORCE: ;