mirror of
https://github.com/jart/cosmopolitan.git
synced 2024-05-17 02:52:40 +00:00
43fe5956ad
Now that our socket system call polyfills are good enough to support Musl's DNS library we should be using that rather than the barebones domain name system implementation we rolled on our own. There's many benefits to making this change. So many, that I myself wouldn't feel qualified to enumerate them all. The Musl DNS code had to be changed in order to support Windows of course, which looks very solid so far
581 lines
17 KiB
Makefile
581 lines
17 KiB
Makefile
#-*-mode:makefile-gmake;indent-tabs-mode:t;tab-width:8;coding:utf-8-*-┐
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#── vi: set et ft=make ts=8 sw=8 fenc=utf-8 :vi ──────────────────────┘
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#
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# SYNOPSIS
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#
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# Freestanding Hermetically-Sealed Monolithic Repository
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#
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# REQUIREMENTS
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#
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# You can run your programs on any operating system, but you have
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# to build them on Linux 2.6+ (or WSL) using GNU Make. A modern C
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# compiler that's statically-linked comes included as a courtesy.
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#
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# EXAMPLES
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#
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# # build and run everything
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# make -j8 -O
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# make -j8 -O MODE=dbg
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# make -j8 -O MODE=opt
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# make -j8 -O MODE=rel
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# make -j8 -O MODE=tiny
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#
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# # build individual target
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# make -j8 -O o//examples/hello.com
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# o//examples/hello.com
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#
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# # view source
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# less examples/hello.c
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#
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# # view binary
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# o//tool/viz/bing.com o//examples/hello.com |
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# o//tool/viz/fold.com
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#
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# # view transitive closure of legalese
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# o//tool/viz/bing.com -n o//examples/hello.com |
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# o//tool/viz/fold.com
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#
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# # basic debugging
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# make -j8 -O MODE=dbg o/dbg/examples/crashreport.com
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# o/examples/crashreport.com
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# less examples/crashreport.c
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#
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# # extremely tiny binaries
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# make -j8 -O MODE=tiny \
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# LDFLAGS+=-s \
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# CPPFLAGS+=-DIM_FEELING_NAUGHTY \
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# CPPFLAGS+=-DSUPPORT_VECTOR=0b00000001 \
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# o/tiny/examples/hello4.elf
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# ls -hal o/tiny/examples/hello4.elf
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# o/tiny/examples/hello4.elf
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#
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# TROUBLESHOOTING
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#
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# make -j8 -O V=1 o//examples/hello.com
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# make o//examples/life.elf -pn |& less
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# etc.
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#
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# SEE ALSO
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#
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# build/config.mk
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SHELL = build/bootstrap/cocmd.com
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MAKEFLAGS += --no-builtin-rules
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.SUFFIXES:
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.DELETE_ON_ERROR:
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.FEATURES: output-sync
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.PHONY: all o bins check test depend tags aarch64 clean
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ifneq ($(m),)
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ifeq ($(MODE),)
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MODE := $(m)
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endif
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endif
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# detect wsl2 running cosmopolitan binaries on the host by checking whether:
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# - user ran build/bootstrap/make.com, in which case make's working directory is in wsl
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# - user ran make, in which case cocmd.com's working directory is in wsl
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ifneq ($(findstring //wsl.localhost/,$(CURDIR) $(shell pwd)),)
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$(warning wsl2 interop is enabled)
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$(error you need to run sudo sh -c 'echo -1 > /proc/sys/fs/binfmt_misc/WSLInterop')
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endif
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UNAME_M := $(shell uname -m)
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UNAME_S := $(shell uname -s)
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# apple still distributes a 17 year old version of gnu make
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ifeq ($(MAKE_VERSION), 3.81)
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$(error please use build/bootstrap/make.com)
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endif
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# provide instructions to non-linux users on unbundling gcc
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ifeq ($(TOOLCHAIN),) # if TOOLCHAIN isn't defined
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ifeq ("$(wildcard o/third_party/gcc/bin/x86_64-linux-cosmo-*)","") # if our gcc isn't unbundled
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ifneq ($(UNAME_M)-$(UNAME_S), x86_64-Linux) # if this is not amd64 linux
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$(error please run tool/cosmocc/fetch.sh)
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endif
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endif
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endif
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# the default build modes is empty string
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# on x86_64 hosts, MODE= is the same as MODE=x86_64
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# on aarch64 hosts, MODE= is changed to MODE=aarch64
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ifeq ($(MODE),)
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ifeq ($(UNAME_M),arm64)
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MODE := aarch64
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endif
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ifeq ($(UNAME_M),aarch64)
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MODE := aarch64
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endif
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endif
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# primary build rules
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all: o
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o: o/$(MODE)
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o/$(MODE): \
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o/$(MODE)/ape \
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o/$(MODE)/dsp \
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o/$(MODE)/net \
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o/$(MODE)/libc \
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o/$(MODE)/test \
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o/$(MODE)/tool \
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o/$(MODE)/examples \
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o/$(MODE)/third_party
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# TODO(jart): Make Emacs `C-c C-c` shortcut not need this.
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.PHONY: o/$(MODE)/ o/$(MODE)/.
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o/$(MODE)/: o/$(MODE)
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o/$(MODE)/.: o/$(MODE)
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# check if we're using o//third_party/make/make.com
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# we added sandboxing to guarantee cosmo's makefile is hermetic
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# it also shaves away 200ms of startup latency with native $(uniq)
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ifneq ($(LANDLOCKMAKE_VERSION),)
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ifeq ($(UNAME_S),Linux)
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ifeq ($(wildcard /usr/bin/ape),)
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$(warning please run ape/apeinstall.sh if you intend to use landlock make)
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$(shell sleep .5)
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endif
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endif
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ifeq ($(USE_SYSTEM_TOOLCHAIN),)
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.STRICT = 1
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endif
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endif
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.PLEDGE += stdio rpath wpath cpath fattr proc
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.UNVEIL += \
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libc/integral \
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libc/stdbool.h \
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libc/disclaimer.inc \
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rwc:/dev/shm \
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rx:build/bootstrap \
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rx:o/third_party/gcc \
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r:build/portcosmo.h \
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/proc/stat \
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rw:/dev/null \
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rw:/dev/full \
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w:o/stack.log \
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/etc/hosts \
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~/.runit.psk \
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/proc/self/status \
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rx:/usr/bin/qemu-aarch64 \
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rx:o/third_party/qemu/qemu-aarch64 \
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/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
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PKGS =
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-include ~/.cosmo.mk
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include build/functions.mk #─┐
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include build/definitions.mk # ├──META
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include build/config.mk # │ You can build
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include build/rules.mk # │ You can topologically order
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include build/online.mk #─┘
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include libc/nexgen32e/BUILD.mk #─┐
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include libc/sysv/BUILD.mk # ├──SYSTEM SUPPORT
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include libc/nt/BUILD.mk # │ You can do math
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include libc/intrin/BUILD.mk # │ You can use the stack
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include third_party/compiler_rt/BUILD.mk # │ You can manipulate arrays
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include libc/tinymath/BUILD.mk # │ You can issue raw system calls
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include libc/str/BUILD.mk # │
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include third_party/xed/BUILD.mk # │
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include third_party/puff/BUILD.mk # │
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include libc/elf/BUILD.mk # │
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include ape/BUILD.mk # │
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include libc/fmt/BUILD.mk # │
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include libc/vga/BUILD.mk # │
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include libc/irq/BUILD.mk #─┘
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include libc/calls/BUILD.mk #─┐
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include libc/irq/BUILD.mk # ├──SYSTEMS RUNTIME
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include third_party/nsync/BUILD.mk # │ You can issue system calls
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include libc/runtime/BUILD.mk # │
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include third_party/double-conversion/BUILD.mk # │
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include libc/crt/BUILD.mk # │
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include third_party/dlmalloc/BUILD.mk #─┘
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include libc/mem/BUILD.mk #─┐
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include third_party/gdtoa/BUILD.mk # ├──DYNAMIC RUNTIME
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include third_party/nsync/mem/BUILD.mk # │ You can now use stdio
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include libc/proc/BUILD.mk # │ You can now use threads
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include libc/dlopen/BUILD.mk # │ You can now use processes
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include libc/thread/BUILD.mk # │ You can finally call malloc()
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include third_party/zlib/BUILD.mk # │
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include libc/stdio/BUILD.mk # │
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include tool/hello/BUILD.mk # │
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include libc/time/BUILD.mk # │
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include net/BUILD.mk # │
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include third_party/vqsort/BUILD.mk # │
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include libc/log/BUILD.mk # │
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include third_party/getopt/BUILD.mk # │
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include third_party/bzip2/BUILD.mk # │
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include dsp/core/BUILD.mk # │
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include third_party/zlib/gz/BUILD.mk # │
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include third_party/intel/BUILD.mk # │
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include third_party/aarch64/BUILD.mk # │
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include libc/BUILD.mk #─┘
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include libc/sock/BUILD.mk #─┐
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include net/http/BUILD.mk # ├──ONLINE RUNTIME
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include third_party/musl/BUILD.mk # │ You can communicate with the network
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include libc/x/BUILD.mk # │
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include dsp/scale/BUILD.mk # │
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include dsp/mpeg/BUILD.mk # │
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include dsp/tty/BUILD.mk # │
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include dsp/BUILD.mk # │
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include third_party/stb/BUILD.mk # │
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include third_party/mbedtls/BUILD.mk # │
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include third_party/ncurses/BUILD.mk # │
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include third_party/readline/BUILD.mk # │
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include third_party/libcxx/BUILD.mk # │
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include third_party/pcre/BUILD.mk # │
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include third_party/less/BUILD.mk # │
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include net/https/BUILD.mk # │
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include third_party/regex/BUILD.mk # │
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include third_party/bash/BUILD.mk #─┘
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include third_party/tidy/BUILD.mk
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include third_party/BUILD.mk
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include third_party/nsync/testing/BUILD.mk
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include libc/testlib/BUILD.mk
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include tool/viz/lib/BUILD.mk
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include tool/args/BUILD.mk
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include test/posix/BUILD.mk
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include test/tool/args/BUILD.mk
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include third_party/linenoise/BUILD.mk
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include third_party/maxmind/BUILD.mk
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include net/finger/BUILD.mk
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include third_party/double-conversion/test/BUILD.mk
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include third_party/lua/BUILD.mk
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include third_party/tree/BUILD.mk
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include third_party/zstd/BUILD.mk
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include third_party/tr/BUILD.mk
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include third_party/sed/BUILD.mk
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include third_party/awk/BUILD.mk
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include third_party/hiredis/BUILD.mk
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include third_party/make/BUILD.mk
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include third_party/ctags/BUILD.mk
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include third_party/finger/BUILD.mk
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include third_party/argon2/BUILD.mk
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include third_party/smallz4/BUILD.mk
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include third_party/sqlite3/BUILD.mk
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include third_party/mbedtls/test/BUILD.mk
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include third_party/quickjs/BUILD.mk
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include third_party/lz4cli/BUILD.mk
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include third_party/zip/BUILD.mk
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include third_party/xxhash/BUILD.mk
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include third_party/unzip/BUILD.mk
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include tool/build/lib/BUILD.mk
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include third_party/chibicc/BUILD.mk
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include third_party/chibicc/test/BUILD.mk
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include third_party/python/BUILD.mk
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include tool/build/BUILD.mk
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include tool/curl/BUILD.mk
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include third_party/qemu/BUILD.mk
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include examples/BUILD.mk
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include examples/pyapp/BUILD.mk
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include examples/pylife/BUILD.mk
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include tool/decode/lib/BUILD.mk
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include tool/decode/BUILD.mk
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include tool/lambda/lib/BUILD.mk
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include tool/lambda/BUILD.mk
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include tool/plinko/lib/BUILD.mk
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include tool/plinko/BUILD.mk
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include test/tool/plinko/BUILD.mk
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include tool/net/BUILD.mk
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include tool/viz/BUILD.mk
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include tool/BUILD.mk
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include net/turfwar/BUILD.mk
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include test/libc/tinymath/BUILD.mk
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include test/libc/intrin/BUILD.mk
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include test/libc/mem/BUILD.mk
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include test/libc/nexgen32e/BUILD.mk
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include test/libc/runtime/BUILD.mk
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include test/libc/thread/BUILD.mk
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include test/libc/sock/BUILD.mk
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include test/libc/str/BUILD.mk
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include test/libc/log/BUILD.mk
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include test/libc/str/BUILD.mk
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include test/libc/calls/BUILD.mk
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include test/libc/x/BUILD.mk
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include test/libc/xed/BUILD.mk
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include test/libc/fmt/BUILD.mk
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include test/libc/time/BUILD.mk
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include test/libc/proc/BUILD.mk
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include test/libc/stdio/BUILD.mk
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include test/libc/release/BUILD.mk
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include test/libc/BUILD.mk
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include test/net/http/BUILD.mk
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include test/net/https/BUILD.mk
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include test/net/finger/BUILD.mk
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include test/net/BUILD.mk
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include test/tool/build/lib/BUILD.mk
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include test/tool/build/BUILD.mk
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include test/tool/viz/lib/BUILD.mk
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include test/tool/viz/BUILD.mk
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include test/tool/net/BUILD.mk
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include test/tool/BUILD.mk
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include test/dsp/core/BUILD.mk
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include test/dsp/scale/BUILD.mk
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include test/dsp/tty/BUILD.mk
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include test/dsp/BUILD.mk
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include examples/package/lib/BUILD.mk
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include examples/package/BUILD.mk
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#-φ-examples/package/new.sh
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include test/BUILD.mk
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OBJS = $(foreach x,$(PKGS),$($(x)_OBJS))
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SRCS := $(foreach x,$(PKGS),$($(x)_SRCS))
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HDRS := $(foreach x,$(PKGS),$($(x)_HDRS))
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INCS = $(foreach x,$(PKGS),$($(x)_INCS))
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BINS = $(foreach x,$(PKGS),$($(x)_BINS))
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TESTS = $(foreach x,$(PKGS),$($(x)_TESTS))
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CHECKS = $(foreach x,$(PKGS),$($(x)_CHECKS))
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bins: $(BINS)
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check: $(CHECKS)
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test: $(TESTS)
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depend: o/$(MODE)/depend
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tags: TAGS HTAGS
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o/$(MODE)/.x:
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@$(COMPILE) -AMKDIR -tT$@ $(MKDIR) $(@D)
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o/$(MODE)/srcs.txt: o/$(MODE)/.x $(MAKEFILES) $(call uniq,$(foreach x,$(SRCS),$(dir $(x)))) $(SRCS)
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$(file >$@,$(SRCS))
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o/$(MODE)/hdrs.txt: o/$(MODE)/.x $(MAKEFILES) $(call uniq,$(foreach x,$(HDRS) $(INCS),$(dir $(x)))) $(HDRS) $(INCS)
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$(file >$@,$(HDRS) $(INCS))
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o/$(MODE)/incs.txt: o/$(MODE)/.x $(MAKEFILES) $(call uniq,$(foreach x,$(INCS) $(INCS),$(dir $(x)))) $(INCS) $(INCS)
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$(file >$@,$(INCS))
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o/$(MODE)/depend: o/$(MODE)/.x o/$(MODE)/srcs.txt o/$(MODE)/hdrs.txt o/$(MODE)/incs.txt $(SRCS) $(HDRS) $(INCS)
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$(COMPILE) -AMKDEPS -L320 $(MKDEPS) -o $@ -s -r o/$(MODE)/ @o/$(MODE)/srcs.txt @o/$(MODE)/hdrs.txt @o/$(MODE)/incs.txt
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o/$(MODE)/srcs-old.txt: o/$(MODE)/.x $(MAKEFILES) $(call uniq,$(foreach x,$(SRCS),$(dir $(x))))
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$(file >$@) $(foreach x,$(SRCS),$(file >>$@,$(x)))
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o/$(MODE)/hdrs-old.txt: o/$(MODE)/.x $(MAKEFILES) $(call uniq,$(foreach x,$(HDRS) $(INCS),$(dir $(x))))
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$(file >$@) $(foreach x,$(HDRS) $(INCS),$(file >>$@,$(x)))
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TAGS: private .UNSANDBOXED = 1
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TAGS: o/$(MODE)/srcs-old.txt $(SRCS) #o/$(MODE)/third_party/ctags/ctags.com
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@$(RM) $@
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@o/$(MODE)/third_party/ctags/ctags.com $(TAGSFLAGS) -L $< -o $@
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HTAGS: private .UNSANDBOXED = 1
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HTAGS: o/$(MODE)/hdrs-old.txt $(filter-out third_party/libcxx/%,$(HDRS)) #o/$(MODE)/third_party/ctags/ctags.com
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@$(RM) $@
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@build/htags o/$(MODE)/third_party/ctags/ctags.com -L $< -o $@
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loc: private .UNSANDBOXED = 1
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loc: o/$(MODE)/tool/build/summy.com
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|
find -name \*.h -or -name \*.c -or -name \*.S | \
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$(XARGS) wc -l | grep total | awk '{print $$1}' | $<
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# PLEASE: MAINTAIN TOPOLOGICAL ORDER
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# FROM HIGHEST LEVEL TO LOWEST LEVEL
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COSMOPOLITAN_OBJECTS = \
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TOOL_ARGS \
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|
NET_HTTP \
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|
LIBC_SOCK \
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|
LIBC_NT_WS2_32 \
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|
LIBC_NT_IPHLPAPI \
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|
LIBC_X \
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|
THIRD_PARTY_GETOPT \
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|
LIBC_LOG \
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|
LIBC_TIME \
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|
THIRD_PARTY_MUSL \
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|
THIRD_PARTY_ZLIB_GZ \
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|
LIBC_STDIO \
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|
THIRD_PARTY_GDTOA \
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|
THIRD_PARTY_REGEX \
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|
LIBC_THREAD \
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|
LIBC_PROC \
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|
THIRD_PARTY_NSYNC_MEM \
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|
LIBC_MEM \
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|
THIRD_PARTY_DLMALLOC \
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|
LIBC_DLOPEN \
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|
LIBC_RUNTIME \
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|
THIRD_PARTY_NSYNC \
|
|
LIBC_ELF \
|
|
LIBC_IRQ \
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|
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 \
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|
LIBC_NT_NTDLL \
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|
LIBC_NT_ADVAPI32 \
|
|
LIBC_NT_SYNCHRONIZATION \
|
|
LIBC_FMT \
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|
THIRD_PARTY_ZLIB \
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|
THIRD_PARTY_PUFF \
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|
THIRD_PARTY_COMPILER_RT \
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|
LIBC_TINYMATH \
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|
THIRD_PARTY_XED \
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|
LIBC_STR \
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|
LIBC_SYSV \
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LIBC_INTRIN \
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|
LIBC_NT_KERNEL32 \
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|
LIBC_NEXGEN32E
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COSMOPOLITAN_H_PKGS = \
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APE \
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LIBC \
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LIBC_CALLS \
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|
LIBC_ELF \
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|
LIBC_FMT \
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|
LIBC_DLOPEN \
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|
LIBC_INTRIN \
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|
LIBC_LOG \
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|
LIBC_MEM \
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|
LIBC_NEXGEN32E \
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LIBC_NT \
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|
LIBC_RUNTIME \
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|
LIBC_SOCK \
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LIBC_STDIO \
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LIBC_PROC \
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THIRD_PARTY_NSYNC \
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THIRD_PARTY_XED \
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|
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_REGEX
|
|
|
|
COSMOCC_PKGS = \
|
|
$(COSMOPOLITAN_H_PKGS) \
|
|
THIRD_PARTY_AARCH64 \
|
|
THIRD_PARTY_LIBCXX \
|
|
THIRD_PARTY_INTEL
|
|
|
|
o/$(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))
|
|
@$(ECHO) '#ifndef __STRICT_ANSI__' >$@
|
|
@$(ECHO) '#define _COSMO_SOURCE' >>$@
|
|
@$(ECHO) '#endif' >>$@
|
|
@$(COMPILE) -AROLLUP -T$@ build/bootstrap/rollup.com @$< >>$@
|
|
|
|
o/cosmopolitan.html: private .UNSANDBOXED = 1
|
|
o/cosmopolitan.html: \
|
|
o/$(MODE)/third_party/chibicc/chibicc.com.dbg \
|
|
$(filter-out %.s,$(foreach x,$(COSMOPOLITAN_OBJECTS),$($(x)_SRCS))) \
|
|
$(SRCS) \
|
|
$(HDRS)
|
|
$(file >$(TMPDIR)/$(subst /,_,$@),$(filter-out %.s,$(foreach x,$(COSMOPOLITAN_OBJECTS),$($(x)_SRCS))))
|
|
o/$(MODE)/third_party/chibicc/chibicc.com.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/$(MODE)/tool/build/march-native.com \
|
|
o/$(MODE)/tool/build/ar.com \
|
|
o/$(MODE)/tool/build/mktemper.com \
|
|
o/$(MODE)/tool/build/fixupobj.com \
|
|
o/$(MODE)/tool/build/zipcopy.com \
|
|
o/$(MODE)/tool/build/apelink.com \
|
|
o/$(MODE)/tool/build/pecheck.com
|
|
else
|
|
TOOLCHAIN_ARTIFACTS = \
|
|
o/$(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/$(MODE)/tool/build/march-native.com \
|
|
o/$(MODE)/tool/build/fixupobj.com \
|
|
o/$(MODE)/tool/build/zipcopy.com
|
|
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
|