7b33084a3e
``` make LIBC=gnu LINK=dynamic make LIBC=musl LINK=dynamic CC=musl-gcc make LIBC=musl LINK=static CC=musl-gcc ```
120 lines
3.5 KiB
Makefile
120 lines
3.5 KiB
Makefile
# based on https://make.mad-scientist.net/papers/multi-architecture-builds/
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_libc := $(if $(LIBC),$(LIBC),gnu)
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ifeq (,$(filter gnu musl,$(_libc)))
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_link_type := $(error "LIBC has to be set to one of: gnu, musl")
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endif
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_link_type := $(if $(LINK),$(LINK),dynamic)
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ifeq (,$(filter dynamic static,$(_link_type)))
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_link_type := $(error "LINK has to be set to one of: dynamic, static")
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endif
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_profile := $(if $(PROFILE),$(PROFILE),release)
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ifeq (,$(filter release debug size_optimized,$(_profile)))
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_profile := $(error "PROFILE has to be set to one of: debug, release, size_optimized")
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endif
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ARCH ?= $(shell uname -m)
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RUST_TARGET := $(ARCH)-unknown-linux-$(_libc)
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#----- Begin Boilerplate
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ifeq (,$(filter _out_%,$(notdir $(CURDIR))))
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include target.mk
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else
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#----- End Boilerplate
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VPATH = $(SRCDIR)
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CARGO ?= cargo
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STRIP ?= strip
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CC ?= gcc
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FEATURES := ""#"env_logger"
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THIS_DIR := $(dir $(realpath $(lastword $(MAKEFILE_LIST))))
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REPO_ROOT := $(realpath $(THIS_DIR)/..)
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CARGO_OBJDIR := cargo/$(RUST_TARGET)/$(_profile)
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_rust_cli_profile := $(if $(filter $(_profile),debug),dev,$(_profile))
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# TODO: `make LINK=static` fails with linker error "undefined reference to `_dl_find_object'" in libgcc_eh.a
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STRIPFLAGS += -s --strip-unneeded -R .comment -R .gnu.version -R .note -R .note.gnu.build-id -R .note.ABI-tag
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STATIC_LINK_LIBS += -lservicepoint_binding_c
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size_optimized_CARGOFLAGS += -Zbuild-std="core,std,alloc,proc_macro,panic_abort" \
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-Zbuild-std-features="panic_immediate_abort"
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CARGOFLAGS += --manifest-path=$(REPO_ROOT)/Cargo.toml \
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--profile=$(_rust_cli_profile) \
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--no-default-features \
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--features=$(FEATURES) \
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--target=$(RUST_TARGET) \
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$($(_profile)_CARGOFLAGS) \
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--target-dir=cargo
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CFLAGS += -Wall -Wextra -pedantic -fwhole-program -fPIE -pie
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_no_debug_cflags := -ffunction-sections -fdata-sections -Wl,--gc-sections
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size_optimized_CFLAGS += -Oz \
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-fwrapv -fomit-frame-pointer -fno-stack-protector \
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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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-fno-exceptions \
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$(_no_debug_cflags)
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release_CFLAGS += -O2 \
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$(_no_debug_cflags)
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debug_CFLAGS += -Og
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static_CFLAGS += -static $(STATIC_LINK_LIBS)
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dynamic_CFLAGS += -Wl,-Bstatic $(STATIC_LINK_LIBS) -Wl,-Bdynamic
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_servicepoint_cflags := -I $(REPO_ROOT)/include -L $(CARGO_OBJDIR)
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CFLAGS += $($(_libc)_CFLAGS) $($(_profile)_CFLAGS) $($(_link_type)_CFLAGS) $(_servicepoint_cflags)
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ifeq ($(LTO), 1)
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CFLAGS += -flto
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endif
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size_optimized_RUSTFLAGS += -Zlocation-detail=none \
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-Zfmt-debug=none \
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-C link-arg=-z,norelro \
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-C panic=abort \
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-C link-arg=-Wl,--hash-style=gnu
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static_RUSTFLAGS += --crate-type=staticlib -Ctarget-feature=+crt-static
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RUSTFLAGS += $($(_libc)_RUSTFLAGS) $($(_profile)_RUSTFLAGS) $($(_link_type)_RUSTFLAGS)
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ifneq ($(_profile), debug)
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RUSTFLAGS += -C link-arg=-s -C link-arg=-Wl,--gc-sections
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endif
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# ADD NEW EXAMPLES HERE
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_c_src := src/announce.c src/brightness_tester.c src/header_logger.c \
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src/moving_line.c src/random_stuff.c src/wiping_clear.c
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_programs := $(basename $(notdir $(_c_src)))
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_bins := $(_programs)
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_unstripped_bins := $(addsuffix _unstripped, $(_bins))
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.SUFFIXES:
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.PHONY: all build-rust
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all: $(_bins)
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$(_unstripped_bins): %_unstripped: src/%.c src/helpers.h build-rust
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$(CC) $< $(CFLAGS) -o $@
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$(_bins): %: %_unstripped
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$(STRIP) $(STRIPFLAGS) $^ -o $@
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build-rust:
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# generate servicepoint header and library to link against
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$(CARGO) rustc $(CARGOFLAGS) -- $(RUSTFLAGS)
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#----- Begin Boilerplate
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endif |