2020-06-15 14:18:57 +00:00
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#-*-mode:makefile-gmake;indent-tabs-mode:t;tab-width:8;coding:utf-8-*-┐
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#── vi: set noet 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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# Cosmopolitan C Runtime.
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#
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# OVERVIEW
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#
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# This is a special object library defining the Cosmopolitan SysV
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# userspace runtime entrypoint, i.e. _start(). The $(CRT) argument
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# should come first in the link order when building ELF binaries;
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# becauseo it's the lowest level function; it wraps main(); and it
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# decides which runtime support libraries get schlepped into builds.
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#
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# Please note that, when building an αcτµαlly pδrταblε εxεcµταblε,
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# lower-level entrypoints exist and as such, $(CRT) will generally
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# come second in link-order after $(APE).
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PKGS += CRT
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CRT_ARTIFACTS += CRT
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CRT = o/$(MODE)/libc/crt/crt.o
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CRT_FILES = libc/crt/crt.S
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CRT_SRCS = libc/crt/crt.S
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2021-01-16 20:05:41 +00:00
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CRT_OBJS = o/$(MODE)/libc/crt/crt.o
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2023-11-28 19:21:08 +00:00
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$(CRT_OBJS): $(BUILD_FILES) libc/crt/BUILD.mk
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2020-06-15 14:18:57 +00:00
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2023-05-09 08:56:56 +00:00
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# these assembly files are safe to build on aarch64
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o/$(MODE)/libc/crt/crt.o: libc/crt/crt.S
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@$(COMPILE) -AOBJECTIFY.S $(OBJECTIFY.S) $(OUTPUT_OPTION) -c $<
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2020-06-15 14:18:57 +00:00
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.PHONY: o/$(MODE)/libc/crt
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o/$(MODE)/libc/crt: $(CRT)
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