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https://github.com/jart/cosmopolitan.git
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3a8e01a77a
Somehow or another, I previously had missed `BUILD.mk` files. In the process I found a few straggler cases where the modeline was different from the file, including one very involved manual fix where a file had been treated like it was ts=2 and ts=8 on separate occasions. The commit history in the PR shows the gory details; the BUILD.mk was automated, everything else was mostly manual.
162 lines
5.1 KiB
Makefile
162 lines
5.1 KiB
Makefile
#-*-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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# System Call Compatibility Layer
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#
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# DESCRIPTION
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#
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# This package exports a familiar system call interface that works
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# across platforms.
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PKGS += LIBC_CALLS
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LIBC_CALLS_ARTIFACTS += LIBC_CALLS_A
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LIBC_CALLS = $(LIBC_CALLS_A_DEPS) $(LIBC_CALLS_A)
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LIBC_CALLS_A = o/$(MODE)/libc/calls/syscalls.a
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LIBC_CALLS_A_FILES := \
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$(wildcard libc/calls/typedef/*) \
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$(wildcard libc/calls/struct/*) \
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$(wildcard libc/calls/*)
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LIBC_CALLS_A_HDRS = $(filter %.h,$(LIBC_CALLS_A_FILES))
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LIBC_CALLS_A_INCS = $(filter %.inc,$(LIBC_CALLS_A_FILES))
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LIBC_CALLS_A_SRCS_S = $(filter %.S,$(LIBC_CALLS_A_FILES))
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LIBC_CALLS_A_SRCS_C = $(filter %.c,$(LIBC_CALLS_A_FILES))
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LIBC_CALLS_A_SRCS = \
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$(LIBC_CALLS_A_SRCS_S) \
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$(LIBC_CALLS_A_SRCS_C)
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LIBC_CALLS_A_OBJS = \
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$(LIBC_CALLS_A_SRCS_S:%.S=o/$(MODE)/%.o) \
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$(LIBC_CALLS_A_SRCS_C:%.c=o/$(MODE)/%.o)
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LIBC_CALLS_A_CHECKS = \
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$(LIBC_CALLS_A).pkg \
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$(LIBC_CALLS_A_HDRS:%=o/$(MODE)/%.ok)
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LIBC_CALLS_A_DIRECTDEPS = \
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LIBC_FMT \
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LIBC_INTRIN \
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LIBC_NEXGEN32E \
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LIBC_NT_ADVAPI32 \
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LIBC_NT_IPHLPAPI \
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LIBC_NT_KERNEL32 \
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LIBC_NT_NTDLL \
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LIBC_NT_PDH \
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LIBC_NT_POWRPROF \
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LIBC_NT_PSAPI \
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LIBC_NT_SYNCHRONIZATION \
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LIBC_NT_WS2_32 \
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LIBC_STR \
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LIBC_SYSV \
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LIBC_SYSV_CALLS \
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THIRD_PARTY_COMPILER_RT
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LIBC_CALLS_A_DEPS := \
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$(call uniq,$(foreach x,$(LIBC_CALLS_A_DIRECTDEPS),$($(x))))
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$(LIBC_CALLS_A): \
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libc/calls/ \
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$(LIBC_CALLS_A).pkg \
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$(LIBC_CALLS_A_OBJS)
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$(LIBC_CALLS_A).pkg: \
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$(LIBC_CALLS_A_OBJS) \
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$(foreach x,$(LIBC_CALLS_A_DIRECTDEPS),$($(x)_A).pkg)
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$(LIBC_CALLS_A_OBJS): private \
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COPTS += \
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-fno-sanitize=all \
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-Wframe-larger-than=4096 \
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-Walloca-larger-than=4096
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ifneq ($(ARCH), aarch64)
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# we always want -O3 because:
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# it makes the code size smaller too
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# we need -mstringop-strategy=loop because:
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# privileged code might generate memcpy call
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o/$(MODE)/libc/calls/termios2host.o \
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o/$(MODE)/libc/calls/sigenter-freebsd.o \
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o/$(MODE)/libc/calls/sigenter-netbsd.o \
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o/$(MODE)/libc/calls/sigenter-openbsd.o \
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o/$(MODE)/libc/calls/sigenter-xnu.o \
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o/$(MODE)/libc/calls/ntcontext2linux.o: private \
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COPTS += \
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-O3 \
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-mstringop-strategy=loop
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endif
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# we always want -Os because:
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# va_arg codegen is very bloated in default mode
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o//libc/calls/open.o \
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o//libc/calls/openat.o \
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o//libc/calls/prctl.o: \
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CFLAGS += \
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-Os
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# we always want -Os because:
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# it's early runtime mandatory and quite huge without it
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o//libc/calls/getcwd.greg.o \
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o//libc/calls/statfs2cosmo.o: private \
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CFLAGS += \
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-Os
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# we always want -O2 because:
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# division is expensive if not optimized
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o/$(MODE)/libc/calls/clock.o \
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o/$(MODE)/libc/calls/gettimeofday.o \
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o/$(MODE)/libc/calls/clock_gettime-mono.o \
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o/$(MODE)/libc/calls/timespec_tomillis.o \
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o/$(MODE)/libc/calls/timespec_tomicros.o \
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o/$(MODE)/libc/calls/timespec_totimeval.o \
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o/$(MODE)/libc/calls/timespec_fromnanos.o \
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o/$(MODE)/libc/calls/timespec_frommillis.o \
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o/$(MODE)/libc/calls/timespec_frommicros.o \
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o/$(MODE)/libc/calls/timeval_tomillis.o \
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o/$(MODE)/libc/calls/timeval_frommillis.o \
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o/$(MODE)/libc/calls/timeval_frommicros.o: private \
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CFLAGS += \
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-O2
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ifeq ($(ARCH), aarch64)
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o/$(MODE)/libc/calls/sigaction.o: private CFLAGS += -mcmodel=large
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o/$(MODE)/libc/calls/getloadavg-nt.o: private CFLAGS += -ffreestanding
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endif
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# we want -Os because:
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# it makes a big difference
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# we need pic because:
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# so it can be an LD_PRELOAD payload
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o/$(MODE)/libc/calls/pledge-linux.o: private \
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CFLAGS += \
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-Os \
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-fPIC
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# these assembly files are safe to build on aarch64
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o/$(MODE)/libc/calls/getcontext.o: libc/calls/getcontext.S
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@$(COMPILE) -AOBJECTIFY.S $(OBJECTIFY.S) $(OUTPUT_OPTION) -c $<
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o/$(MODE)/libc/calls/swapcontext.o: libc/calls/swapcontext.S
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@$(COMPILE) -AOBJECTIFY.S $(OBJECTIFY.S) $(OUTPUT_OPTION) -c $<
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o/$(MODE)/libc/calls/tailcontext.o: libc/calls/tailcontext.S
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@$(COMPILE) -AOBJECTIFY.S $(OBJECTIFY.S) $(OUTPUT_OPTION) -c $<
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o/$(MODE)/libc/calls/stackjump.o: libc/calls/stackjump.S
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@$(COMPILE) -AOBJECTIFY.S $(OBJECTIFY.S) $(OUTPUT_OPTION) -c $<
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o/$(MODE)/libc/calls/sched_yield.o: libc/calls/sched_yield.S
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@$(COMPILE) -AOBJECTIFY.S $(OBJECTIFY.S) $(OUTPUT_OPTION) -c $<
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o/$(MODE)/libc/calls/uname.o: libc/integral/normalize.inc
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LIBC_CALLS_LIBS = $(foreach x,$(LIBC_CALLS_ARTIFACTS),$($(x)))
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LIBC_CALLS_SRCS = $(foreach x,$(LIBC_CALLS_ARTIFACTS),$($(x)_SRCS))
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LIBC_CALLS_HDRS = $(foreach x,$(LIBC_CALLS_ARTIFACTS),$($(x)_HDRS))
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LIBC_CALLS_INCS = $(foreach x,$(LIBC_CALLS_ARTIFACTS),$($(x)_INCS))
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LIBC_CALLS_BINS = $(foreach x,$(LIBC_CALLS_ARTIFACTS),$($(x)_BINS))
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LIBC_CALLS_CHECKS = $(foreach x,$(LIBC_CALLS_ARTIFACTS),$($(x)_CHECKS))
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LIBC_CALLS_OBJS = $(foreach x,$(LIBC_CALLS_ARTIFACTS),$($(x)_OBJS))
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LIBC_CALLS_TESTS = $(foreach x,$(LIBC_CALLS_ARTIFACTS),$($(x)_TESTS))
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.PHONY: o/$(MODE)/libc/calls
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o/$(MODE)/libc/calls: $(LIBC_CALLS_CHECKS)
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