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cosmopolitan/Makefile
Justine Tunney b431ca4449
Upgrade to cosmocc v3.3.3
2024-03-30 20:17:14 -07:00

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18 KiB
Makefile
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#-*-mode:makefile-gmake;indent-tabs-mode:t;tab-width:8;coding:utf-8-*-┐
#── vi: set et ft=make ts=8 sw=8 fenc=utf-8 :vi ──────────────────────┘
#
# SYNOPSIS
#
# Freestanding Hermetically-Sealed Monolithic Repository
#
# REQUIREMENTS
#
# You can run your programs on any operating system, but you have
# to build them on Linux 2.6+ (or WSL) using GNU Make. A modern C
# compiler that's statically-linked comes included as a courtesy.
#
# EXAMPLES
#
# # build and run everything
# make -j8 -O
# make -j8 -O MODE=dbg
# make -j8 -O MODE=opt
# make -j8 -O MODE=rel
# make -j8 -O MODE=tiny
#
# # build individual target
# make -j8 -O o//examples/hello
# o//examples/hello
#
# # view source
# less examples/hello.c
#
# # view binary
# o//tool/viz/bing o//examples/hello |
# o//tool/viz/fold
#
# # view transitive closure of legalese
# o//tool/viz/bing -n o//examples/hello |
# o//tool/viz/fold
#
# # basic debugging
# make -j8 -O MODE=dbg o/dbg/examples/crashreport
# o/examples/crashreport
# less examples/crashreport.c
#
# # extremely tiny binaries
# make -j8 -O MODE=tiny \
# LDFLAGS+=-s \
# CPPFLAGS+=-DIM_FEELING_NAUGHTY \
# CPPFLAGS+=-DSUPPORT_VECTOR=0b00000001 \
# o/tiny/examples/hello4.elf
# ls -hal o/tiny/examples/hello4.elf
# o/tiny/examples/hello4.elf
#
# TROUBLESHOOTING
#
# make -j8 -O V=1 o//examples/hello
# make o//examples/life.elf -pn |& less
# etc.
#
# SEE ALSO
#
# build/config.mk
SHELL = build/bootstrap/cocmd
MAKEFLAGS += --no-builtin-rules
.SUFFIXES:
.DELETE_ON_ERROR:
.FEATURES: output-sync
.PHONY: all o bins check test depend tags aarch64 clean
ifneq ($(m),)
ifeq ($(MODE),)
MODE := $(m)
endif
endif
COMMA := ,
PWD := $(shell pwd)
# detect wsl2 running cosmopolitan binaries on the host by checking whether:
# - user ran build/bootstrap/make, in which case make's working directory is in wsl
# - user ran make, in which case cocmd's working directory is in wsl
ifneq ($(findstring //wsl.localhost/,$(CURDIR) $(PWD)),)
$(warning wsl2 interop is enabled)
$(error you need to run sudo sh -c 'echo -1 > /proc/sys/fs/binfmt_misc/WSLInterop')
endif
UNAME_M := $(shell uname -m)
UNAME_S := $(shell uname -s)
# apple still distributes a 17 year old version of gnu make
ifeq ($(MAKE_VERSION), 3.81)
$(error please use build/bootstrap/make)
endif
LC_ALL = C
SOURCE_DATE_EPOCH = 0
ARFLAGS = rcsD
ZFLAGS ?=
XARGS ?= xargs -P4 -rs8000
DOT ?= dot
CLANG = clang
TMPDIR = o/tmp
AR = build/bootstrap/ar
CP = build/bootstrap/cp
RM = build/bootstrap/rm -f
GZIP = build/bootstrap/gzip
ECHO = build/bootstrap/echo
CHMOD = build/bootstrap/chmod
TOUCH = build/bootstrap/touch
PKG = build/bootstrap/package
MKDEPS = build/bootstrap/mkdeps
ZIPOBJ = build/bootstrap/zipobj
ZIPCOPY = build/bootstrap/zipcopy
PECHECK = build/bootstrap/pecheck
FIXUPOBJ = build/bootstrap/fixupobj
MKDIR = build/bootstrap/mkdir -p
COMPILE = build/bootstrap/compile -V9 -M2048m -P8192 $(QUOTA)
IGNORE := $(shell $(MKDIR) $(TMPDIR))
# the default build modes is empty string
# on x86_64 hosts, MODE= is the same as MODE=x86_64
# on aarch64 hosts, MODE= is changed to MODE=aarch64
ifeq ($(MODE),)
ifeq ($(UNAME_M),arm64)
MODE := aarch64
endif
ifeq ($(UNAME_M),aarch64)
MODE := aarch64
endif
endif
ifneq ($(findstring aarch64,$(MODE)),)
ARCH = aarch64
HOSTS ?= pi pi5 studio freebsdarm
else
ARCH = x86_64
HOSTS ?= freebsd rhel7 xnu openbsd netbsd win10
endif
ZIPOBJ_FLAGS += -a$(ARCH)
IGNORE := $(shell $(MKDIR) $(TMPDIR))
export ADDR2LINE
export LC_ALL
export MKDIR
export MODE
export SOURCE_DATE_EPOCH
export TMPDIR
COSMOCC = .cosmocc/3.3.3
TOOLCHAIN = $(COSMOCC)/bin/$(ARCH)-linux-cosmo-
DOWNLOAD := $(shell build/download-cosmocc.sh $(COSMOCC) 3.3.3 e4d0fa63cd79cc3bfff6c2d015f1776db081409907625aea8ad40cefc1996d08)
AS = $(TOOLCHAIN)as
CC = $(TOOLCHAIN)gcc
CXX = $(TOOLCHAIN)g++
CXXFILT = $(TOOLCHAIN)c++filt
LD = $(TOOLCHAIN)ld.bfd
NM = $(TOOLCHAIN)nm
GCC = $(TOOLCHAIN)gcc
STRIP = $(TOOLCHAIN)strip
OBJCOPY = $(TOOLCHAIN)objcopy
OBJDUMP = $(TOOLCHAIN)objdump
ifneq ($(wildcard $(PWD)/$(TOOLCHAIN)addr2line),)
ADDR2LINE = $(PWD)/$(TOOLCHAIN)addr2line
else
ADDR2LINE = $(TOOLCHAIN)addr2line
endif
# primary build rules
all: o
o: o/$(MODE)
o/$(MODE): \
o/$(MODE)/ape \
o/$(MODE)/dsp \
o/$(MODE)/net \
o/$(MODE)/libc \
o/$(MODE)/test \
o/$(MODE)/tool \
o/$(MODE)/examples \
o/$(MODE)/third_party
# TODO(jart): Make Emacs `C-c C-c` shortcut not need this.
.PHONY: o/$(MODE)/ o/$(MODE)/.
o/$(MODE)/: o/$(MODE)
o/$(MODE)/.: o/$(MODE)
# check if we're using o//third_party/make/make
# we added sandboxing to guarantee cosmo's makefile is hermetic
# it also shaves away 200ms of startup latency with native $(uniq)
ifneq ($(LANDLOCKMAKE_VERSION),)
ifeq ($(UNAME_S),Linux)
ifeq ($(wildcard /usr/bin/ape),)
$(warning please run ape/apeinstall.sh if you intend to use landlock make)
$(shell sleep .5)
endif
endif
ifneq ($(TOOLCHAIN),)
.STRICT = 1
endif
endif
.PLEDGE += stdio rpath wpath cpath fattr proc
.UNVEIL += \
libc/integral \
libc/stdbool.h \
rwc:/dev/shm \
rx:.cosmocc \
rx:build/bootstrap \
r:build/portcosmo.h \
/proc/stat \
rw:/dev/null \
rw:/dev/full \
w:o/stack.log \
/etc/hosts \
~/.runit.psk \
/proc/self/status \
rx:/usr/bin/qemu-aarch64 \
rx:o/third_party/qemu/qemu-aarch64 \
/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
PKGS =
-include ~/.cosmo.mk
include build/functions.mk #─┐
include build/definitions.mk # ├──META
include build/config.mk # │ You can build
include build/rules.mk # │ You can topologically order
include build/online.mk #─┘
include libc/nexgen32e/BUILD.mk #─┐
include libc/sysv/BUILD.mk # ├──SYSTEM SUPPORT
include libc/nt/BUILD.mk # │ You can do math
include libc/intrin/BUILD.mk # │ You can use the stack
include third_party/compiler_rt/BUILD.mk # │ You can manipulate arrays
include libc/tinymath/BUILD.mk # │ You can issue raw system calls
include libc/str/BUILD.mk # │
include third_party/xed/BUILD.mk # │
include third_party/puff/BUILD.mk # │
include libc/elf/BUILD.mk # │
include ape/BUILD.mk # │
include libc/fmt/BUILD.mk # │
include libc/vga/BUILD.mk # │
include libc/irq/BUILD.mk #─┘
include libc/calls/BUILD.mk #─┐
include libc/irq/BUILD.mk # ├──SYSTEMS RUNTIME
include third_party/nsync/BUILD.mk # │ You can issue system calls
include libc/runtime/BUILD.mk # │
include libc/crt/BUILD.mk # │
include third_party/dlmalloc/BUILD.mk #─┘
include libc/mem/BUILD.mk #─┐
include third_party/gdtoa/BUILD.mk # ├──DYNAMIC RUNTIME
include third_party/nsync/mem/BUILD.mk # │ You can now use stdio
include libc/proc/BUILD.mk # │ You can now use threads
include libc/dlopen/BUILD.mk # │ You can now use processes
include libc/thread/BUILD.mk # │ You can finally call malloc()
include third_party/zlib/BUILD.mk # │
include libc/stdio/BUILD.mk # │
include tool/hello/BUILD.mk # │
include libc/time/BUILD.mk # │
include net/BUILD.mk # │
include third_party/vqsort/BUILD.mk # │
include libc/log/BUILD.mk # │
include third_party/getopt/BUILD.mk # │
include third_party/bzip2/BUILD.mk # │
include dsp/core/BUILD.mk # │
include third_party/zlib/gz/BUILD.mk # │
include third_party/intel/BUILD.mk # │
include third_party/aarch64/BUILD.mk # │
include libc/BUILD.mk #─┘
include libc/sock/BUILD.mk #─┐
include net/http/BUILD.mk # ├──ONLINE RUNTIME
include third_party/musl/BUILD.mk # │ You can communicate with the network
include libc/x/BUILD.mk # │
include dsp/scale/BUILD.mk # │
include dsp/mpeg/BUILD.mk # │
include dsp/tty/BUILD.mk # │
include dsp/BUILD.mk # │
include third_party/stb/BUILD.mk # │
include third_party/mbedtls/BUILD.mk # │
include third_party/ncurses/BUILD.mk # │
include third_party/readline/BUILD.mk # │
include third_party/libunwind/BUILD.mk # |
include third_party/libcxxabi/BUILD.mk # |
include third_party/libcxx/BUILD.mk # │
include third_party/openmp/BUILD.mk # │
include third_party/double-conversion/BUILD.mk # │
include third_party/pcre/BUILD.mk # │
include third_party/less/BUILD.mk # │
include net/https/BUILD.mk # │
include third_party/regex/BUILD.mk # │
include third_party/bash/BUILD.mk #─┘
include third_party/tidy/BUILD.mk
include third_party/BUILD.mk
include third_party/nsync/testing/BUILD.mk
include libc/testlib/BUILD.mk
include tool/viz/lib/BUILD.mk
include tool/args/BUILD.mk
include test/math/BUILD.mk
include test/posix/BUILD.mk
include test/libcxx/BUILD.mk
include test/tool/args/BUILD.mk
include third_party/linenoise/BUILD.mk
include third_party/maxmind/BUILD.mk
include net/finger/BUILD.mk
include third_party/double-conversion/test/BUILD.mk
include third_party/lua/BUILD.mk
include third_party/tree/BUILD.mk
include third_party/zstd/BUILD.mk
include third_party/tr/BUILD.mk
include third_party/sed/BUILD.mk
include third_party/awk/BUILD.mk
include third_party/hiredis/BUILD.mk
include third_party/make/BUILD.mk
include third_party/ctags/BUILD.mk
include third_party/finger/BUILD.mk
include third_party/argon2/BUILD.mk
include third_party/smallz4/BUILD.mk
include third_party/sqlite3/BUILD.mk
include third_party/mbedtls/test/BUILD.mk
include third_party/lz4cli/BUILD.mk
include third_party/zip/BUILD.mk
include third_party/xxhash/BUILD.mk
include third_party/unzip/BUILD.mk
include tool/build/lib/BUILD.mk
include third_party/chibicc/BUILD.mk
include third_party/chibicc/test/BUILD.mk
include third_party/python/BUILD.mk
include tool/build/BUILD.mk
include tool/curl/BUILD.mk
include third_party/qemu/BUILD.mk
include third_party/libcxxabi/test/BUILD.mk
include examples/BUILD.mk
include examples/pyapp/BUILD.mk
include examples/pylife/BUILD.mk
include tool/decode/lib/BUILD.mk
include tool/decode/BUILD.mk
include tool/lambda/lib/BUILD.mk
include tool/lambda/BUILD.mk
include tool/plinko/lib/BUILD.mk
include tool/plinko/BUILD.mk
include test/tool/plinko/BUILD.mk
include tool/net/BUILD.mk
include tool/viz/BUILD.mk
include tool/BUILD.mk
include net/turfwar/BUILD.mk
include test/libc/tinymath/BUILD.mk
include test/libc/intrin/BUILD.mk
include test/libc/mem/BUILD.mk
include test/libc/nexgen32e/BUILD.mk
include test/libc/runtime/BUILD.mk
include test/libc/thread/BUILD.mk
include test/libc/sock/BUILD.mk
include test/libc/str/BUILD.mk
include test/libc/log/BUILD.mk
include test/libc/str/BUILD.mk
include test/libc/calls/BUILD.mk
include test/libc/x/BUILD.mk
include test/libc/xed/BUILD.mk
include test/libc/fmt/BUILD.mk
include test/libc/time/BUILD.mk
include test/libc/proc/BUILD.mk
include test/libc/stdio/BUILD.mk
include test/libc/release/BUILD.mk
include test/libc/BUILD.mk
include test/net/http/BUILD.mk
include test/net/https/BUILD.mk
include test/net/finger/BUILD.mk
include test/net/BUILD.mk
include test/tool/build/lib/BUILD.mk
include test/tool/build/BUILD.mk
include test/tool/viz/lib/BUILD.mk
include test/tool/viz/BUILD.mk
include test/tool/net/BUILD.mk
include test/tool/BUILD.mk
include test/dsp/core/BUILD.mk
include test/dsp/scale/BUILD.mk
include test/dsp/tty/BUILD.mk
include test/dsp/BUILD.mk
include examples/package/lib/BUILD.mk
include examples/package/BUILD.mk
#-φ-examples/package/new.sh
include test/BUILD.mk
OBJS = $(foreach x,$(PKGS),$($(x)_OBJS))
SRCS := $(foreach x,$(PKGS),$($(x)_SRCS))
HDRS := $(foreach x,$(PKGS),$($(x)_HDRS))
INCS = $(foreach x,$(PKGS),$($(x)_INCS))
BINS = $(foreach x,$(PKGS),$($(x)_BINS))
TESTS = $(foreach x,$(PKGS),$($(x)_TESTS))
CHECKS = $(foreach x,$(PKGS),$($(x)_CHECKS))
bins: $(BINS)
check: $(CHECKS)
test: $(TESTS)
depend: o/$(MODE)/depend
tags: TAGS HTAGS
o/$(MODE)/.x:
@$(COMPILE) -AMKDIR -tT$@ $(MKDIR) $(@D)
o/$(MODE)/srcs.txt: o/$(MODE)/.x $(MAKEFILES) $(call uniq,$(foreach x,$(SRCS),$(dir $(x)))) $(SRCS)
$(file >$@,$(SRCS))
o/$(MODE)/hdrs.txt: o/$(MODE)/.x $(MAKEFILES) $(call uniq,$(foreach x,$(HDRS) $(INCS),$(dir $(x)))) $(HDRS) $(INCS)
$(file >$@,$(HDRS) $(INCS))
o/$(MODE)/incs.txt: o/$(MODE)/.x $(MAKEFILES) $(call uniq,$(foreach x,$(INCS) $(INCS),$(dir $(x)))) $(INCS) $(INCS)
$(file >$@,$(INCS))
o/$(MODE)/depend: o/$(MODE)/.x o/$(MODE)/srcs.txt o/$(MODE)/hdrs.txt o/$(MODE)/incs.txt $(SRCS) $(HDRS) $(INCS)
$(COMPILE) -AMKDEPS -L320 $(MKDEPS) -o $@ -s -r o/$(MODE)/ @o/$(MODE)/srcs.txt @o/$(MODE)/hdrs.txt @o/$(MODE)/incs.txt
o/$(MODE)/srcs-old.txt: o/$(MODE)/.x $(MAKEFILES) $(call uniq,$(foreach x,$(SRCS),$(dir $(x))))
$(file >$@) $(foreach x,$(SRCS),$(file >>$@,$(x)))
o/$(MODE)/hdrs-old.txt: o/$(MODE)/.x $(MAKEFILES) $(call uniq,$(foreach x,$(HDRS) $(INCS),$(dir $(x))))
$(file >$@) $(foreach x,$(HDRS) $(INCS),$(file >>$@,$(x)))
TAGS: private .UNSANDBOXED = 1
TAGS: o/$(MODE)/srcs-old.txt $(SRCS) #o/$(MODE)/third_party/ctags/ctags
@$(RM) $@
@o/$(MODE)/third_party/ctags/ctags $(TAGSFLAGS) -L $< -o $@
HTAGS: private .UNSANDBOXED = 1
HTAGS: o/$(MODE)/hdrs-old.txt $(filter-out third_party/libcxx/%,$(HDRS)) #o/$(MODE)/third_party/ctags/ctags
@$(RM) $@
@build/htags o/$(MODE)/third_party/ctags/ctags -L $< -o $@
loc: private .UNSANDBOXED = 1
loc: o/$(MODE)/tool/build/summy
find -name \*.h -or -name \*.c -or -name \*.S | \
$(XARGS) wc -l | grep total | awk '{print $$1}' | $<
# PLEASE: MAINTAIN TOPOLOGICAL ORDER
# FROM HIGHEST LEVEL TO LOWEST LEVEL
COSMOPOLITAN_OBJECTS = \
TOOL_ARGS \
NET_HTTP \
LIBC_SOCK \
LIBC_NT_WS2_32 \
LIBC_NT_IPHLPAPI \
LIBC_X \
THIRD_PARTY_GETOPT \
LIBC_LOG \
LIBC_TIME \
THIRD_PARTY_OPENMP \
THIRD_PARTY_MUSL \
THIRD_PARTY_ZLIB_GZ \
THIRD_PARTY_LIBCXXABI \
THIRD_PARTY_LIBUNWIND \
LIBC_STDIO \
THIRD_PARTY_GDTOA \
THIRD_PARTY_REGEX \
LIBC_THREAD \
LIBC_PROC \
THIRD_PARTY_NSYNC_MEM \
LIBC_MEM \
THIRD_PARTY_DLMALLOC \
LIBC_DLOPEN \
LIBC_RUNTIME \
THIRD_PARTY_NSYNC \
LIBC_ELF \
LIBC_IRQ \
LIBC_CALLS \
LIBC_SYSV_CALLS \
LIBC_VGA \
LIBC_NT_PSAPI \
LIBC_NT_POWRPROF \
LIBC_NT_PDH \
LIBC_NT_GDI32 \
LIBC_NT_COMDLG32 \
LIBC_NT_USER32 \
LIBC_NT_NTDLL \
LIBC_NT_ADVAPI32 \
LIBC_NT_SYNCHRONIZATION \
LIBC_FMT \
THIRD_PARTY_ZLIB \
THIRD_PARTY_PUFF \
THIRD_PARTY_COMPILER_RT \
LIBC_TINYMATH \
THIRD_PARTY_XED \
LIBC_STR \
LIBC_SYSV \
LIBC_INTRIN \
LIBC_NT_BCRYPTPRIMITIVES \
LIBC_NT_KERNEL32 \
LIBC_NEXGEN32E
COSMOPOLITAN_H_PKGS = \
APE \
LIBC \
LIBC_CALLS \
LIBC_ELF \
LIBC_FMT \
LIBC_DLOPEN \
LIBC_INTRIN \
LIBC_LOG \
LIBC_MEM \
LIBC_NEXGEN32E \
LIBC_NT \
LIBC_RUNTIME \
LIBC_SOCK \
LIBC_STDIO \
LIBC_PROC \
THIRD_PARTY_NSYNC \
THIRD_PARTY_XED \
LIBC_STR \
LIBC_SYSV \
LIBC_THREAD \
LIBC_TIME \
LIBC_TINYMATH \
LIBC_X \
LIBC_VGA \
NET_HTTP \
TOOL_ARGS \
THIRD_PARTY_DLMALLOC \
THIRD_PARTY_GDTOA \
THIRD_PARTY_GETOPT \
THIRD_PARTY_MUSL \
THIRD_PARTY_ZLIB \
THIRD_PARTY_ZLIB_GZ \
THIRD_PARTY_REGEX
COSMOCC_PKGS = \
$(COSMOPOLITAN_H_PKGS) \
THIRD_PARTY_AARCH64 \
THIRD_PARTY_LIBCXX \
THIRD_PARTY_LIBCXXABI \
THIRD_PARTY_LIBUNWIND \
THIRD_PARTY_OPENMP \
THIRD_PARTY_INTEL
o/$(MODE)/cosmopolitan.a: \
$(foreach x,$(COSMOPOLITAN_OBJECTS),$($(x)_A_OBJS))
COSMOCC_HDRS = \
$(wildcard libc/integral/*) \
$(foreach x,$(COSMOCC_PKGS),$($(x)_HDRS)) \
$(foreach x,$(COSMOCC_PKGS),$($(x)_INCS))
o/cosmocc.h.txt: Makefile
$(file >$@, $(call uniq,$(COSMOCC_HDRS)))
COSMOPOLITAN_H_ROOT_HDRS = \
libc/integral/normalize.inc \
$(foreach x,$(COSMOPOLITAN_H_PKGS),$($(x)_HDRS))
o/cosmopolitan.h.txt: Makefile
$(file >$@, $(call uniq,$(COSMOPOLITAN_H_ROOT_HDRS)))
o/cosmopolitan.h: o/cosmopolitan.h.txt \
$(wildcard libc/integral/*) \
$(foreach x,$(COSMOPOLITAN_H_PKGS),$($(x)_HDRS)) \
$(foreach x,$(COSMOPOLITAN_H_PKGS),$($(x)_INCS))
@$(COMPILE) -AROLLUP -T$@ build/bootstrap/rollup @$< >>$@
o/cosmopolitan.html: private .UNSANDBOXED = 1
o/cosmopolitan.html: \
o/$(MODE)/third_party/chibicc/chibicc.dbg \
$(filter-out %.s,$(foreach x,$(COSMOPOLITAN_OBJECTS),$($(x)_SRCS))) \
$(filter-out %.cpp,$(filter-out %.cc,$(SRCS))) \
$(HDRS)
$(file >$(TMPDIR)/$(subst /,_,$@),$(filter-out %.cpp,$(filter-out %.cc,$(filter-out %.s,$(foreach x,$(COSMOPOLITAN_OBJECTS),$($(x)_SRCS))))))
o/$(MODE)/third_party/chibicc/chibicc.dbg -J \
-fno-common -include libc/integral/normalize.inc -o $@ \
-DCOSMO @$(TMPDIR)/$(subst /,_,$@)
$(SRCS): \
libc/integral/normalize.inc \
libc/integral/c.inc \
libc/integral/cxx.inc \
libc/integral/cxxtypescompat.inc \
libc/integral/lp64arg.inc \
libc/integral/lp64.inc
ifeq ($(ARCH), x86_64)
TOOLCHAIN_ARTIFACTS = \
o/cosmopolitan.h \
o/$(MODE)/ape/ape.lds \
o/$(MODE)/libc/crt/crt.o \
o/$(MODE)/ape/ape.elf \
o/$(MODE)/ape/ape.o \
o/$(MODE)/ape/ape-copy-self.o \
o/$(MODE)/ape/ape-no-modify-self.o \
o/$(MODE)/cosmopolitan.a \
o/$(MODE)/third_party/libcxx/libcxx.a \
o/$(MODE)/tool/build/march-native \
o/$(MODE)/tool/build/ar \
o/$(MODE)/tool/build/mktemper \
o/$(MODE)/tool/build/fixupobj \
o/$(MODE)/tool/build/zipcopy \
o/$(MODE)/tool/build/apelink \
o/$(MODE)/tool/build/pecheck
else
TOOLCHAIN_ARTIFACTS = \
o/$(MODE)/ape/ape.elf \
o/$(MODE)/ape/aarch64.lds \
o/$(MODE)/libc/crt/crt.o \
o/$(MODE)/cosmopolitan.a \
o/$(MODE)/third_party/libcxx/libcxx.a \
o/$(MODE)/tool/build/march-native \
o/$(MODE)/tool/build/fixupobj \
o/$(MODE)/tool/build/zipcopy
endif
.PHONY: toolchain
toolchain: $(TOOLCHAIN_ARTIFACTS)
.PHONY: clean_toolchain
clean_toolchain:
$(RM) $(TOOLCHAIN_ARTIFACTS)
aarch64: private .INTERNET = true
aarch64: private .UNSANDBOXED = true
aarch64:
$(MAKE) m=aarch64
clean:
$(RM) -r o
# UNSPECIFIED PREREQUISITES TUTORIAL
#
# A build rule must exist for all files that make needs to consider in
# order to build the requested goal. That includes input source files,
# even if the rule is empty and does nothing. Otherwise, the .DEFAULT
# rule gets triggered.
#
# This is a normal and neecssary behavior when source files get deleted.
# The build reacts automatically to this happening, by simply deleting
# and regenerating the dependency graph; so we can safely use wildcard.
#
# This is abnormal if it needs to keep doing that repeatedly. That can
# only mean the build config is broken.
#
# Also note that a suboptimal in-between state may exist, where running
# `make -pn` reveals rules being generated with the .DEFAULT target, but
# never get executed since they're not members of the transitive closure
# of `make all`. In that case the build config could be improved.
%.mk:
~/.cosmo.mk:
$(SRCS):
$(HDRS):
$(INCS):
.DEFAULT:
@$(ECHO)
@$(ECHO) NOTE: deleting o/$(MODE)/depend because of an unspecified prerequisite: $@
@$(ECHO)
$(RM) o/$(MODE)/depend
-include o/$(MODE)/depend
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