servicepoint/servicepoint-binding-c
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wip broken version of Makefile with a bunch of options

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This commit is contained in:
Vinzenz Schroeter 2025-04-24 22:47:27 +02:00
parent 3a966ad1a1
commit 0f17f86120
5 changed files with 99 additions and 66 deletions
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140
example/Makefile
View file

@ -1,85 +1,113 @@
CC := gcc CARGO ?= rustup run nightly cargo
CARGO := rustup run nightly cargo STRIP ?= strip
TARGET := x86_64-unknown-linux-musl
PROFILE := size-optimized
FEATURES := protocol_udp FEATURES := protocol_udp
THIS_DIR := $(dir $(realpath $(lastword $(MAKEFILE_LIST)))) THIS_DIR := $(dir $(realpath $(lastword $(MAKEFILE_LIST))))
REPO_ROOT := $(THIS_DIR)/.. REPO_ROOT := $(realpath $(THIS_DIR)/..)
RUST_TARGET_DIR := $(REPO_ROOT)/target/$(TARGET)/$(PROFILE)
export SERVICEPOINT_HEADER_OUT := $(REPO_ROOT)/include export SERVICEPOINT_HEADER_OUT := $(REPO_ROOT)/include
RUSTFLAGS := -Zlocation-detail=none \ override CFG_MUSL := $(if $(CFG_MUSL),$(CFG_MUSL),$(if $(MUSL),$(MUSL),0))
-Zfmt-debug=none \ override CFG_PROFILE := $(if $(CFG_PROFILE),$(CFG_PROFILE),$(if $(PROFILE),$(PROFILE),release))
-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=$(REPO_ROOT)/Cargo.toml \ CCFLAGS += -ffunction-sections -fdata-sections -Wl,--gc-sections -Wall -fwhole-program
--profile=$(PROFILE) \
RUSTFLAGS += -C link-arg=-s \
-C link-arg=-Wl,--gc-sections \
--crate-type=staticlib
STRIPFLAGS := -s --strip-unneeded -R .comment -R .gnu.version -R .note -R .note.gnu.build-id -R .note.ABI-tag
ifeq ($(CFG_MUSL), 1)
TARGET ?= x86_64-unknown-linux-musl
CC ?= musl-gcc
CCFLAGS += -static
else
TARGET ?= x86_64-unknown-linux-gnu
CC ?= gcc
CCFLAGS += -shared
endif
RUSTFLAGS += -C linker=$(CC)
#ifeq ($(CFG_PROFILE), size-optimized)
# CCFLAGS += -nodefaultlibs -lc
#endif
CCFLAGS += -lservicepoint_binding_c
RUST_TARGET_DIR := $(REPO_ROOT)/target/$(TARGET)/$(CFG_PROFILE)
OUT_BASE_DIR := $(realpath $(THIS_DIR)/out/)
OUT_DIR := $(realpath $(OUT_BASE_DIR)/$(CFG_PROFILE)/)
CARGOFLAGS += --manifest-path=$(REPO_ROOT)/Cargo.toml \
--profile=$(CFG_PROFILE) \
--no-default-features \ --no-default-features \
--features=$(FEATURES) \ --features=$(FEATURES) \
--target=$(TARGET) \ --target=$(TARGET)
-Zbuild-std="core,std,alloc,proc_macro,panic_abort" \
-Zbuild-std-features="panic_immediate_abort" \
CCFLAGS := -static -Os \ ifeq ($(CFG_PROFILE), size-optimized)
-ffunction-sections -fdata-sections \ CCFLAGS += -Oz \
-fwrapv -fomit-frame-pointer -fno-stack-protector\ -fwrapv -fomit-frame-pointer -fno-stack-protector\
-fwhole-program \ -fno-unroll-loops \
-nodefaultlibs -lservicepoint_binding_c -lc \ -fno-unwind-tables -fno-asynchronous-unwind-tables \
-Wl,--gc-sections \ -fmerge-all-constants \
-fno-unroll-loops \ -Wl,-z,norelro \
-fno-unwind-tables -fno-asynchronous-unwind-tables \ -Wl,--hash-style=gnu \
-fmerge-all-constants \ -fvisibility=hidden \
-Wl,-z,norelro \ -Bsymbolic \
-Wl,--hash-style=gnu \ -Wl,--exclude-libs,ALL \
-fvisibility=hidden \ -fno-ident \
-Bsymbolic \ -fno-exceptions
-Wl,--exclude-libs,ALL \ CARGOFLAGS += -Zbuild-std="core,std,alloc,proc_macro,panic_abort" \
-fno-ident \ -Zbuild-std-features="panic_immediate_abort"
-Wall RUSTFLAGS += -Zlocation-detail=none \
#-fuse-ld=gold \ -Zfmt-debug=none \
-fno-exceptions -C link-arg=-z,norelro \
#-Wl,--icf=all \ -C link-arg=--hash-style=gnu \
-C panic=abort
else ifeq ($(CFG_PROFILE), release)
CCFLAGS += -O2
else ifeq ($(CFG_PROFILE), debug)
CCFLAGS += -Og
else
CFG_PROFILE := $(error "PROFILE has to be set to one of: debug, release, size-optimized")
endif
STRIPFLAGS := -s --strip-unneeded -R .comment -R .gnu.version -R .comment -R .note -R .note.gnu.build-id -R .note.ABI-tag ifeq ($(LTO), 1)
CCFLAGS += -flto
endif
_c_src := $(wildcard *.c) _c_src := $(wildcard ./src/*.c)
_programs := $(basename $(_c_src)) _programs := $(basename $(notdir $(_c_src)))
_bins := $(addprefix out/, $(_programs)) _bins := $(addprefix out/, $(_programs))
_unstripped_bins := $(addsuffix _unstripped, $(_bins)) _unstripped_bins := $(addsuffix _unstripped, $(_bins))
_run_programs := $(addprefix run_, $(_programs)) _run_programs := $(addprefix run_, $(_programs))
_rs_src := $(wildcard ../src/**.rs) ../Cargo.lock ../Cargo.toml ../cbindgen.toml _rs_src := $(wildcard ../src/**.rs) ../Cargo.lock ../Cargo.toml ../cbindgen.toml
_sp_artifacts := $(SERVICEPOINT_HEADER_OUT)/servicepoint.h $(RUST_TARGET_DIR)/libservicepoint_binding_c.a $(RUST_TARGET_DIR)/libservicepoint_binding_c.so
all: $(_bins) all: $(_bins)
clean: clean:
rm -r out || true echo rm -r $(OUT_DIR) || true
rm include/servicepoint.h || true rm $(SERVICEPOINT_HEADER_OUT)/servicepoint.h || true
cargo clean cargo clean
PHONY: all clean sizes $(_run_programs) .PHONY: all clean sizes $(_run_programs)
$(_unstripped_bins): out/%_unstripped: %.c $(SERVICEPOINT_HEADER_OUT)/servicepoint.h $(RUST_TARGET_DIR)/libservicepoint_binding_c.a $(_unstripped_bins): out/%_unstripped: src/%.c $(SERVICEPOINT_HEADER_OUT)/servicepoint.h $(_sp_artifacts)
mkdir -p out || true mkdir -p out || true
${CC} $^ \ ${CC} $< \
-I $(SERVICEPOINT_HEADER_OUT) \ -I $(SERVICEPOINT_HEADER_OUT) \
-L $(RUST_TARGET_DIR)\ -L $(RUST_TARGET_DIR) \
$(CCFLAGS) \ $(CCFLAGS) \
-o $@ -o $@
$(_bins): out/%: out/%_unstripped $(_bins): out/%: out/%_unstripped
strip $(STRIPFLAGS) $^ -o $@ $(STRIP) $(STRIPFLAGS) $^ -o $@
$(SERVICEPOINT_HEADER_OUT)/servicepoint.h $(RUST_TARGET_DIR)/libservicepoint_binding_c.a: $(_rs_src) $(_sp_artifacts): $(_rs_src)
mkdir -p include || true mkdir -p $(SERVICEPOINT_HEADER_OUT) || true
# generate servicepoint header and binary to link against # generate servicepoint header and library to link against
${CARGO} rustc $(CARGOFLAGS) -- $(RUSTFLAGS) ${CARGO} rustc $(CARGOFLAGS) -- $(RUSTFLAGS)
$(_run_programs): run_%: out/% FORCE $(_run_programs): run_%: out/% FORCE
@ -88,9 +116,9 @@ $(_run_programs): run_%: out/% FORCE
sizes: $(_bins) sizes: $(_bins)
ls -lB out ls -lB out
#analyze-size: out/example_unstripped analyze-size: $(OUT_DIR)/$(BIN)_unstripped
# nm --print-size --size-sort --reverse-sort --radix=d --demangle out/example_unstripped \ nm --print-size --size-sort --reverse-sort --radix=d --demangle $(OUT_DIR)/$(BIN)_unstripped \
# | awk '{size=$$2+0; print size "\t" $$4}' \ | awk '{size=$$2+0; print size "\t" $$4}' \
# | less | less
FORCE: ; FORCE: ;

0
example/announce.c → example/src/announce.c
View file

0
example/brightness_tester.c → example/src/brightness_tester.c
View file

5
example/random_stuff.c → example/src/random_stuff.c
View file

@ -1,5 +1,6 @@
#include <stdio.h> //#include <stdarg.h>
#include "servicepoint.h" #include "servicepoint.h"
//#include <stdio.h>
int main(void) { int main(void) {
UdpConnection *connection = sp_udp_open_ipv4(127, 0, 0, 1, 2342); UdpConnection *connection = sp_udp_open_ipv4(127, 0, 0, 1, 2342);
@ -17,7 +18,7 @@ int main(void) {
return 1; return 1;
Header *header = sp_packet_get_header(packet); Header *header = sp_packet_get_header(packet);
printf("[%d, %d, %d, %d, %d]\n", header->command_code, header->a, header->b, header->c, header->d); // printf("[%d, %d, %d, %d, %d]\n", header->command_code, header->a, header->b, header->c, header->d);
sp_udp_send_packet(connection, packet); sp_udp_send_packet(connection, packet);

20
flake.nix
View file

@ -33,16 +33,17 @@
{ pkgs, system }: { pkgs, system }:
{ {
default = pkgs.mkShell rec { default = pkgs.mkShell rec {
buildInputs = with pkgs;[ buildInputs = with pkgs; [
xe xe
xz xz
libgcc #libgcc
#glibc.static #glibc
musl pkgsStatic.musl
libunwind # libunwind
];
nativeBuildInputs = with pkgs;[ ];
nativeBuildInputs = with pkgs; [
(pkgs.symlinkJoin { (pkgs.symlinkJoin {
name = "rust-toolchain"; name = "rust-toolchain";
paths = with pkgs; [ paths = with pkgs; [
@ -57,11 +58,14 @@
]; ];
}) })
gcc gcc
gdb
pkgsStatic.gcc
gnumake gnumake
pkg-config pkg-config
]; ];
RUST_SRC_PATH = "${pkgs.rust.packages.stable.rustPlatform.rustLibSrc}"; #RUST_SRC_PATH = "${pkgs.rust.packages.stable.rustPlatform.rustLibSrc}";
CARGO = "rustup run nightly cargo";
}; };
} }
); );