mirror of
https://github.com/jart/cosmopolitan.git
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cf93ecbbb2
The whole repository is now buildable with GNU Make Landlock sandboxing.
This proves that no Makefile targets exist which touch files other than
their declared prerequisites. In order to do this, we had to:
1. Stop code morphing GCC output in package.com and instead run a
newly introduced FIXUPOBJ.COM command after GCC invocations.
2. Disable all the crumby Python unit tests that do things like create
files in the current directory, or rename() files between folders.
This ended up being a lot of tests, but most of them are still ok.
3. Introduce an .UNSANDBOXED variable to GNU Make to disable Landlock.
We currently only do this for things like `make tags`.
4. This change deletes some GNU Make code that was preventing the
execve() optimization from working. This means it should no longer
be necessary in most cases for command invocations to be indirected
through the cocmd interpreter.
5. Missing dependencies had to be declared in certain places, in cases
where they couldn't be automatically determined by MKDEPS.COM
6. The libcxx header situation has finally been tamed. One of the
things that makes this difficult is MKDEPS.COM only wants to
consider the first 64kb of a file, in order to go fast. But libcxx
likes to have #include lines buried after huge documentation.
7. An .UNVEIL variable has been introduced to GNU Make just in case
we ever wish to explicitly specify additional things that need to
be whitelisted which aren't strictly prerequisites. This works in
a manner similar to the recently introduced .EXTRA_PREREQS feature.
There's now a new build/bootstrap/make.com prebuilt binary available. It
should no longer be possible to write invalid Makefile code.
411 lines
12 KiB
Makefile
411 lines
12 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 tw=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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HOSTS ?= freebsd openbsd netbsd rhel7 rhel5 win7 win10 xnu
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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
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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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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/stubs/stubs.mk #─┘
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include libc/nexgen32e/nexgen32e.mk #─┐
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include libc/sysv/sysv.mk # ├──SYSTEM SUPPORT
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include libc/nt/nt.mk # │ You can do math
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include libc/intrin/intrin.mk # │ You can use the stack
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include libc/linux/linux.mk # │ You can manipulate arrays
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include libc/tinymath/tinymath.mk # │ You can issue raw system calls
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include third_party/compiler_rt/compiler_rt.mk # │
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include libc/bits/bits.mk # │
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include libc/str/str.mk # │
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include third_party/xed/xed.mk # │
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include third_party/zlib/zlib.mk # │
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include libc/elf/elf.mk # │
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include ape/ape.mk # │
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include libc/fmt/fmt.mk #─┘
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include libc/calls/calls.mk #─┐
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include libc/runtime/runtime.mk # ├──SYSTEMS RUNTIME
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include libc/crt/crt.mk # │ You can issue system calls
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include libc/rand/rand.mk # │
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include libc/unicode/unicode.mk # │
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include third_party/dlmalloc/dlmalloc.mk #─┘
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include libc/mem/mem.mk #─┐
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include libc/zipos/zipos.mk # ├──DYNAMIC RUNTIME
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include third_party/gdtoa/gdtoa.mk # │ You can now use stdio
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include libc/time/time.mk # │ You can finally call malloc()
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include libc/thread/thread.mk # │
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include libc/alg/alg.mk # │
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include libc/stdio/stdio.mk # │
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include third_party/libcxx/libcxx.mk # │
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include net/net.mk # │
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include libc/log/log.mk # │
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include third_party/bzip2/bzip2.mk # │
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include dsp/core/core.mk # │
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include libc/x/x.mk # │
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include third_party/stb/stb.mk # │
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include dsp/scale/scale.mk # │
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include dsp/mpeg/mpeg.mk # │
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include dsp/dsp.mk # │
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include third_party/zlib/gz/gz.mk # │
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include third_party/musl/musl.mk # │
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include third_party/getopt/getopt.mk # │
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include libc/libc.mk #─┘
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include libc/sock/sock.mk #─┐
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include dsp/tty/tty.mk # ├──ONLINE RUNTIME
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include libc/dns/dns.mk # │ You can communicate with the network
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include net/http/http.mk # │
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include third_party/mbedtls/mbedtls.mk # │
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include net/https/https.mk # │
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include third_party/regex/regex.mk #─┘
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include third_party/tidy/tidy.mk
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include third_party/third_party.mk
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include libc/testlib/testlib.mk
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include tool/viz/lib/vizlib.mk
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include tool/args/args.mk
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include test/tool/args/test.mk
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include third_party/linenoise/linenoise.mk
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include third_party/maxmind/maxmind.mk
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include net/finger/finger.mk
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include third_party/double-conversion/double-conversion.mk
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include third_party/lua/lua.mk
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include third_party/make/make.mk
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include third_party/finger/finger.mk
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include third_party/argon2/argon2.mk
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include third_party/smallz4/smallz4.mk
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include third_party/sqlite3/sqlite3.mk
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include third_party/mbedtls/test/test.mk
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include third_party/quickjs/quickjs.mk
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include third_party/lz4cli/lz4cli.mk
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include third_party/zip/zip.mk
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include third_party/unzip/unzip.mk
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include tool/build/lib/buildlib.mk
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include third_party/chibicc/chibicc.mk
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include third_party/chibicc/test/test.mk
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include third_party/python/python.mk
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include tool/build/emucrt/emucrt.mk
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include tool/build/emubin/emubin.mk
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include tool/build/build.mk
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include examples/examples.mk
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include examples/pyapp/pyapp.mk
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include examples/pylife/pylife.mk
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include tool/decode/lib/decodelib.mk
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include tool/decode/decode.mk
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include tool/lambda/lib/lib.mk
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include tool/lambda/lambda.mk
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include tool/plinko/lib/lib.mk
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include tool/plinko/plinko.mk
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include test/tool/plinko/test.mk
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include tool/hash/hash.mk
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include tool/net/net.mk
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include tool/viz/viz.mk
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include tool/tool.mk
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include test/libc/alg/test.mk
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include test/libc/tinymath/test.mk
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include test/libc/intrin/test.mk
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include test/libc/mem/test.mk
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include test/libc/nexgen32e/test.mk
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include test/libc/runtime/test.mk
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include test/libc/thread/test.mk
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include test/libc/sock/test.mk
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include test/libc/bits/test.mk
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include test/libc/str/test.mk
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include test/libc/log/test.mk
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include test/libc/unicode/test.mk
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include test/libc/calls/test.mk
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include test/libc/x/test.mk
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include test/libc/xed/test.mk
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include test/libc/fmt/test.mk
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include test/libc/dns/test.mk
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include test/libc/rand/test.mk
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include test/libc/time/test.mk
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include test/libc/stdio/test.mk
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include test/libc/release/test.mk
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include test/libc/test.mk
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include test/net/http/test.mk
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include test/net/https/test.mk
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include test/net/finger/test.mk
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include test/net/test.mk
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include test/tool/build/lib/test.mk
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include test/tool/build/test.mk
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include test/tool/viz/lib/test.mk
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include test/tool/viz/test.mk
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include test/tool/net/test.mk
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include test/tool/test.mk
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include test/dsp/core/test.mk
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include test/dsp/scale/test.mk
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include test/dsp/tty/test.mk
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include test/dsp/test.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/test.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 $(x))))
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$(file >$@,$(SRCS))
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o/$(MODE)/hdrs.txt: o/$(MODE)/.x $(MAKEFILES) $(call uniq,$(foreach x,$(HDRS) $(INCS),$(dir $(x))))
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$(file >$@,$(HDRS) $(INCS))
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o/$(MODE)/incs.txt: o/$(MODE)/.x $(MAKEFILES) $(call uniq,$(foreach x,$(INCS) $(INCS),$(dir $(x))))
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$(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 $@ -r o/$(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: .UNSANDBOXED = 1
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TAGS: o/$(MODE)/srcs-old.txt $(SRCS)
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@$(RM) $@
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@$(COMPILE) -ATAGS -T$@ $(TAGS) $(TAGSFLAGS) -L $< -o $@
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HTAGS: .UNSANDBOXED = 1
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HTAGS: o/$(MODE)/hdrs-old.txt $(HDRS)
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@$(RM) $@
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@$(COMPILE) -ATAGS -T$@ build/htags -L $< -o $@
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loc: .UNSANDBOXED = 1
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loc: o/$(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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COSMOPOLITAN_OBJECTS = \
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NET_HTTP \
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LIBC_DNS \
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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_NT_MSWSOCK \
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LIBC_X \
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THIRD_PARTY_GETOPT \
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LIBC_LOG \
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LIBC_UNICODE \
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LIBC_TIME \
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LIBC_ZIPOS \
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THIRD_PARTY_ZLIB \
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THIRD_PARTY_MUSL \
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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_ALG \
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LIBC_MEM \
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THIRD_PARTY_DLMALLOC \
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LIBC_BITS \
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LIBC_RUNTIME \
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LIBC_ELF \
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LIBC_CALLS \
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LIBC_RAND \
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LIBC_SYSV_CALLS \
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LIBC_NT_PSAPI \
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LIBC_NT_POWRPROF \
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LIBC_NT_PDH \
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LIBC_NT_SHELL32 \
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LIBC_NT_GDI32 \
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LIBC_NT_COMDLG32 \
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LIBC_NT_NETAPI32 \
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LIBC_NT_URL \
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LIBC_NT_USER32 \
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LIBC_NT_NTDLL \
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LIBC_NT_ADVAPI32 \
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LIBC_FMT \
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THIRD_PARTY_COMPILER_RT \
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LIBC_THREAD \
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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_HEADERS = \
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APE \
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LIBC \
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LIBC_ALG \
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LIBC_BITS \
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LIBC_CALLS \
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LIBC_DNS \
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LIBC_ELF \
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LIBC_FMT \
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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_RAND \
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LIBC_RUNTIME \
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LIBC_SOCK \
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LIBC_STDIO \
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THIRD_PARTY_XED \
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LIBC_STR \
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LIBC_SYSV \
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LIBC_THREAD \
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LIBC_TIME \
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LIBC_TINYMATH \
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LIBC_UNICODE \
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LIBC_X \
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LIBC_ZIPOS \
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NET_HTTP \
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THIRD_PARTY_DLMALLOC \
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THIRD_PARTY_GDTOA \
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THIRD_PARTY_GETOPT \
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THIRD_PARTY_MUSL \
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THIRD_PARTY_ZLIB \
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THIRD_PARTY_ZLIB_GZ \
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THIRD_PARTY_REGEX
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o/$(MODE)/cosmopolitan.a: \
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$(foreach x,$(COSMOPOLITAN_OBJECTS),$($(x)_A_OBJS))
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o/cosmopolitan.h: \
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o/$(MODE)/tool/build/rollup.com \
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libc/integral/normalize.inc \
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$(foreach x,$(COSMOPOLITAN_HEADERS),$($(x)_HDRS)) \
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$(foreach x,$(COSMOPOLITAN_HEADERS),$($(x)_INCS))
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$(file >$@.args,libc/integral/normalize.inc $(foreach x,$(COSMOPOLITAN_HEADERS),$($(x)_HDRS)))
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@$(COMPILE) -AROLLUP -T$@ o/$(MODE)/tool/build/rollup.com @$@.args >$@
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o/cosmopolitan.html: \
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o/$(MODE)/third_party/chibicc/chibicc.com.dbg \
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$(filter-out %.s,$(foreach x,$(COSMOPOLITAN_OBJECTS),$($(x)_SRCS)))
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$(file >$@.args,$(filter-out %.s,$(foreach x,$(COSMOPOLITAN_OBJECTS),$($(x)_SRCS))))
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o/$(MODE)/third_party/chibicc/chibicc.com.dbg -J \
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-fno-common -include libc/integral/normalize.inc -o $@ \
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@$@.args
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$(SRCS): \
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libc/integral/normalize.inc \
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libc/integral/c.inc \
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libc/integral/cxx.inc \
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libc/integral/cxxtypescompat.inc \
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libc/integral/lp64arg.inc \
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libc/integral/lp64.inc
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# UNSPECIFIED PREREQUISITES TUTORIAL
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#
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# A build rule must exist for all files that make needs to consider in
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# order to build the requested goal. That includes input source files,
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# even if the rule is empty and does nothing. Otherwise, the .DEFAULT
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# rule gets triggered.
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#
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# This is a normal and neecssary behavior when source files get deleted.
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# The build reacts automatically to this happening, by simply deleting
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# and regenerating the dependency graph; so we can safely use wildcard.
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#
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# This is abnormal if it needs to keep doing that repeatedly. That can
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# only mean the build config is broken.
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#
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# Also note that a suboptimal in-between state may exist, where running
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# `make -pn` reveals rules being generated with the .DEFAULT target, but
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# never get executed since they're not members of the transitive closure
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# of `make all`. In that case the build config could be improved.
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%.mk:
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~/.cosmo.mk:
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$(SRCS):
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$(HDRS):
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$(INCS):
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.DEFAULT:
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@$(ECHO) >&2
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@$(ECHO) NOTE: deleting o/$(MODE)/depend because of an unspecified prerequisite: $@ >&2
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@$(ECHO) >&2
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$(RM) o/$(MODE)/depend
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-include o/$(MODE)/depend
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