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cosmopolitan/libc/intrin/BUILD.mk
Justine Tunney 3f26dfbb31
Share file offset across execve() on Windows 
This is a breaking change. It defines the new environment variable named
_COSMO_FDS_V2 which is used for inheriting non-stdio file descriptors on
execve() or posix_spawn(). No effort has been spent thus far integrating
with the older variable. If a new binary launches the older ones or vice
versa they'll only be able to pass stdin / stdout / stderr to each other
therefore it's important that you upgrade all your cosmo binaries if you
depend on this functionality. You'll be glad you did because inheritance
of file descriptors is more aligned with the POSIX standard than before.
2024-08-03 17:48:00 -07:00

168 lines
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Makefile
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#-*-mode:makefile-gmake;indent-tabs-mode:t;tab-width:8;coding:utf-8-*-┐
#── vi: set noet ft=make ts=8 sw=8 fenc=utf-8 :vi ────────────────────┘
PKGS += LIBC_INTRIN
LIBC_INTRIN_ARTIFACTS += LIBC_INTRIN_A
LIBC_INTRIN = $(LIBC_INTRIN_A_DEPS) $(LIBC_INTRIN_A)
LIBC_INTRIN_A = o/$(MODE)/libc/intrin/intrin.a
LIBC_INTRIN_A_FILES := $(wildcard libc/intrin/*)
LIBC_INTRIN_A_HDRS = $(filter %.h,$(LIBC_INTRIN_A_FILES))
LIBC_INTRIN_A_INCS = $(filter %.inc,$(LIBC_INTRIN_A_FILES))
LIBC_INTRIN_A_SRCS_S = $(filter %.S,$(LIBC_INTRIN_A_FILES))
LIBC_INTRIN_A_SRCS_C = $(filter %.c,$(LIBC_INTRIN_A_FILES))
LIBC_INTRIN_A_SRCS = $(LIBC_INTRIN_A_SRCS_S) $(LIBC_INTRIN_A_SRCS_C)
LIBC_INTRIN_A_CHECKS = $(LIBC_INTRIN_A).pkg
ifeq ($(ARCH), aarch64)
LIBC_INTRIN_A_SRCS_S += $(wildcard libc/intrin/aarch64/*.S)
LIBC_INTRIN_A_HDRS += libc/intrin/aarch64/asmdefs.h
endif
LIBC_INTRIN_A_OBJS = \
$(LIBC_INTRIN_A_SRCS_S:%.S=o/$(MODE)/%.o) \
$(LIBC_INTRIN_A_SRCS_C:%.c=o/$(MODE)/%.o)
LIBC_INTRIN_A_CHECKS = \
$(LIBC_INTRIN_A).pkg \
$(LIBC_INTRIN_A_HDRS:%=o/$(MODE)/%.ok)
LIBC_INTRIN_A_DIRECTDEPS = \
LIBC_NEXGEN32E \
LIBC_NT_KERNEL32 \
LIBC_NT_WS2_32 \
LIBC_SYSV \
LIBC_SYSV_CALLS
LIBC_INTRIN_A_DEPS := \
$(call uniq,$(foreach x,$(LIBC_INTRIN_A_DIRECTDEPS),$($(x))))
$(LIBC_INTRIN_A): \
libc/intrin/ \
$(LIBC_INTRIN_A).pkg \
$(LIBC_INTRIN_A_OBJS)
$(LIBC_INTRIN_A).pkg: \
$(LIBC_INTRIN_A_OBJS) \
$(foreach x,$(LIBC_INTRIN_A_DIRECTDEPS),$($(x)_A).pkg)
o/$(MODE)/libc/intrin/mman.greg.o: private COPTS += -Os
$(LIBC_INTRIN_A_OBJS): private \
COPTS += \
-x-no-pg \
-ffreestanding \
-fno-sanitize=all \
-fno-stack-protector \
-Wframe-larger-than=4096 \
-Walloca-larger-than=4096
o/$(MODE)/libc/intrin/kprintf.o: private \
CFLAGS += \
-Wframe-larger-than=128 \
-Walloca-larger-than=128
o/$(MODE)/libc/intrin/cursor.o \
o/$(MODE)/libc/intrin/mmap.o \
o/$(MODE)/libc/intrin/tree.o: private \
CFLAGS += \
-ffunction-sections
o//libc/intrin/memmove.o: private \
CFLAGS += \
-fno-toplevel-reorder
o//libc/intrin/bzero.o \
o//libc/intrin/strlen.o \
o//libc/intrin/strchr.o \
o//libc/intrin/memchr.o \
o//libc/intrin/memrchr.o \
o//libc/intrin/memcmp.o \
o//libc/intrin/memset.o \
o//libc/intrin/memmove.o: private \
CFLAGS += \
-O2 \
-finline \
-foptimize-sibling-calls
o/$(MODE)/libc/intrin/bzero.o \
o/$(MODE)/libc/intrin/memcmp.o \
o/$(MODE)/libc/intrin/memmove.o: private \
CFLAGS += \
-fpie
o/$(MODE)/libc/intrin/x86.o: private \
CFLAGS += \
-ffreestanding \
-fno-jump-tables \
-fpatchable-function-entry=0 \
-Os
# avoid the legacy sse decoding penalty on avx systems
o//libc/intrin/dll.o \
o//libc/intrin/fds.o \
o//libc/intrin/mmap.o \
o//libc/intrin/demangle.o: private \
CFLAGS += \
-mgeneral-regs-only
# these assembly files are safe to build on aarch64
o/$(MODE)/libc/intrin/aarch64/%.o: libc/intrin/aarch64/%.S
@$(COMPILE) -AOBJECTIFY.S $(OBJECTIFY.S) $(OUTPUT_OPTION) -c $<
o/$(MODE)/libc/intrin/fenv.o: libc/intrin/fenv.S
@$(COMPILE) -AOBJECTIFY.S $(OBJECTIFY.S) $(OUTPUT_OPTION) -c $<
o/$(MODE)/libc/intrin/gcov.o: libc/intrin/gcov.S
@$(COMPILE) -AOBJECTIFY.S $(OBJECTIFY.S) $(OUTPUT_OPTION) -c $<
o/$(MODE)/libc/intrin/futex.o: libc/intrin/futex.S
@$(COMPILE) -AOBJECTIFY.S $(OBJECTIFY.S) $(OUTPUT_OPTION) -c $<
o/$(MODE)/libc/intrin/typeinfo.o: libc/intrin/typeinfo.S
@$(COMPILE) -AOBJECTIFY.S $(OBJECTIFY.S) $(OUTPUT_OPTION) -c $<
o/$(MODE)/libc/intrin/kclocknames.o: libc/intrin/kclocknames.S
@$(COMPILE) -AOBJECTIFY.S $(OBJECTIFY.S) $(OUTPUT_OPTION) -c $<
o/$(MODE)/libc/intrin/kdos2errno.o: libc/intrin/kdos2errno.S
@$(COMPILE) -AOBJECTIFY.S $(OBJECTIFY.S) $(OUTPUT_OPTION) -c $<
o/$(MODE)/libc/intrin/kerrnodocs.o: libc/intrin/kerrnodocs.S
@$(COMPILE) -AOBJECTIFY.S $(OBJECTIFY.S) $(OUTPUT_OPTION) -c $<
o/$(MODE)/libc/intrin/kipoptnames.o: libc/intrin/kipoptnames.S
@$(COMPILE) -AOBJECTIFY.S $(OBJECTIFY.S) $(OUTPUT_OPTION) -c $<
o/$(MODE)/libc/intrin/kerrnonames.o: libc/intrin/kerrnonames.S
@$(COMPILE) -AOBJECTIFY.S $(OBJECTIFY.S) $(OUTPUT_OPTION) -c $<
o/$(MODE)/libc/intrin/kfcntlcmds.o: libc/intrin/kfcntlcmds.S
@$(COMPILE) -AOBJECTIFY.S $(OBJECTIFY.S) $(OUTPUT_OPTION) -c $<
o/$(MODE)/libc/intrin/kopenflags.o: libc/intrin/kopenflags.S
@$(COMPILE) -AOBJECTIFY.S $(OBJECTIFY.S) $(OUTPUT_OPTION) -c $<
o/$(MODE)/libc/intrin/krlimitnames.o: libc/intrin/krlimitnames.S
@$(COMPILE) -AOBJECTIFY.S $(OBJECTIFY.S) $(OUTPUT_OPTION) -c $<
o/$(MODE)/libc/intrin/ksignalnames.o: libc/intrin/ksignalnames.S
@$(COMPILE) -AOBJECTIFY.S $(OBJECTIFY.S) $(OUTPUT_OPTION) -c $<
o/$(MODE)/libc/intrin/ksockoptnames.o: libc/intrin/ksockoptnames.S
@$(COMPILE) -AOBJECTIFY.S $(OBJECTIFY.S) $(OUTPUT_OPTION) -c $<
o/$(MODE)/libc/intrin/ktcpoptnames.o: libc/intrin/ktcpoptnames.S
@$(COMPILE) -AOBJECTIFY.S $(OBJECTIFY.S) $(OUTPUT_OPTION) -c $<
o/$(MODE)/libc/intrin/stackcall.o: libc/intrin/stackcall.S
@$(COMPILE) -AOBJECTIFY.S $(OBJECTIFY.S) $(OUTPUT_OPTION) -c $<
o/$(MODE)/libc/intrin/kmonthname.o: libc/intrin/kmonthname.S
@$(COMPILE) -AOBJECTIFY.S $(OBJECTIFY.S) $(OUTPUT_OPTION) -c $<
o/$(MODE)/libc/intrin/kmonthnameshort.o: libc/intrin/kmonthnameshort.S
@$(COMPILE) -AOBJECTIFY.S $(OBJECTIFY.S) $(OUTPUT_OPTION) -c $<
o/$(MODE)/libc/intrin/kweekdayname.o: libc/intrin/kweekdayname.S
@$(COMPILE) -AOBJECTIFY.S $(OBJECTIFY.S) $(OUTPUT_OPTION) -c $<
o/$(MODE)/libc/intrin/kweekdaynameshort.o: libc/intrin/kweekdaynameshort.S
@$(COMPILE) -AOBJECTIFY.S $(OBJECTIFY.S) $(OUTPUT_OPTION) -c $<
o/$(MODE)/libc/intrin/sched_yield.o: libc/intrin/sched_yield.S
@$(COMPILE) -AOBJECTIFY.S $(OBJECTIFY.S) $(OUTPUT_OPTION) -c $<
o/$(MODE)/libc/intrin/dsohandle.o: libc/intrin/dsohandle.S
@$(COMPILE) -AOBJECTIFY.S $(OBJECTIFY.S) $(OUTPUT_OPTION) -c $<
o/$(MODE)/libc/intrin/getpagesize_freebsd.o: libc/intrin/getpagesize_freebsd.S
@$(COMPILE) -AOBJECTIFY.S $(OBJECTIFY.S) $(OUTPUT_OPTION) -c $<
LIBC_INTRIN_LIBS = $(foreach x,$(LIBC_INTRIN_ARTIFACTS),$($(x)))
LIBC_INTRIN_HDRS = $(foreach x,$(LIBC_INTRIN_ARTIFACTS),$($(x)_HDRS))
LIBC_INTRIN_INCS = $(foreach x,$(LIBC_INTRIN_ARTIFACTS),$($(x)_INCS))
LIBC_INTRIN_SRCS = $(foreach x,$(LIBC_INTRIN_ARTIFACTS),$($(x)_SRCS))
LIBC_INTRIN_CHECKS = $(foreach x,$(LIBC_INTRIN_ARTIFACTS),$($(x)_CHECKS))
LIBC_INTRIN_OBJS = $(foreach x,$(LIBC_INTRIN_ARTIFACTS),$($(x)_OBJS))
$(LIBC_INTRIN_OBJS): $(BUILD_FILES) libc/intrin/BUILD.mk
.PHONY: o/$(MODE)/libc/intrin
o/$(MODE)/libc/intrin: $(LIBC_INTRIN_CHECKS)
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