4896623be2
Targets build during the kernel phase did not have their dependencies specified and thus they were not rebuilt after their dependencies have changed, for example by changing options in menuconfig. Signed-off-by: Abdelatif Guettouche <abdelatif.guettouche@espressif.com>
203 lines
5.5 KiB
Makefile
203 lines
5.5 KiB
Makefile
############################################################################
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# libs/libc/Makefile
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#
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# Licensed to the Apache Software Foundation (ASF) under one or more
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# contributor license agreements. See the NOTICE file distributed with
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# this work for additional information regarding copyright ownership. The
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# ASF licenses this file to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance with the
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# License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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#
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###########################################################################
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include $(TOPDIR)/Make.defs
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include aio/Make.defs
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include assert/Make.defs
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include audio/Make.defs
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include builtin/Make.defs
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include ctype/Make.defs
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include dirent/Make.defs
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include dlfcn/Make.defs
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include endian/Make.defs
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include errno/Make.defs
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include eventfd/Make.defs
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include fixedmath/Make.defs
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include grp/Make.defs
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include hex2bin/Make.defs
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include inttypes/Make.defs
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include libgen/Make.defs
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include locale/Make.defs
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include lzf/Make.defs
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include machine/Make.defs
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include math/Make.defs
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include misc/Make.defs
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include modlib/Make.defs
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include net/Make.defs
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include netdb/Make.defs
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include pthread/Make.defs
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include pwd/Make.defs
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include queue/Make.defs
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include sched/Make.defs
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include semaphore/Make.defs
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include signal/Make.defs
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include spawn/Make.defs
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include stdio/Make.defs
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include stdlib/Make.defs
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include stream/Make.defs
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include string/Make.defs
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include symtab/Make.defs
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include syslog/Make.defs
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include termios/Make.defs
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include time/Make.defs
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include tls/Make.defs
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include uio/Make.defs
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include unistd/Make.defs
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include userfs/Make.defs
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include uuid/Make.defs
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include wchar/Make.defs
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include wctype/Make.defs
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include wqueue/Make.defs
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CFLAGS += ${shell $(INCDIR) "$(CC)" $(TOPDIR)$(DELIM)libs$(DELIM)libc}
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# Rule for the symbol table generation
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MKSYMTAB = $(TOPDIR)$(DELIM)tools$(DELIM)mksymtab$(HOSTEXEEXT)
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$(MKSYMTAB):
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$(Q) $(MAKE) -C $(TOPDIR)$(DELIM)tools -f Makefile.host mksymtab
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# C library and math library symbols should be available in the FLAT
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# and PROTECTED builds. KERNEL builds are separately linked and so should
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# not need symbol tables.
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CSVFILES = $(TOPDIR)$(DELIM)libs$(DELIM)libc$(DELIM)libc.csv
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CSVFILES += $(TOPDIR)$(DELIM)libs$(DELIM)libc$(DELIM)math.csv
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# In the PROTECTED and KERNEL builds, the applications could link with
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# libproxy which will provide symbol-compatible access to OS functions
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# via a call gate, but the applications which link with these functions
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# directly could remove the repeat proxy code to save the space.
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CSVFILES += $(TOPDIR)$(DELIM)syscall$(DELIM)syscall.csv
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ifeq ($(CONFIG_EXECFUNCS_SYSTEM_SYMTAB),y)
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exec_symtab.c : $(CSVFILES) $(MKSYMTAB)
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$(Q) cat $(CSVFILES) | LC_ALL=C sort >$@.csv
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$(Q) $(MKSYMTAB) $@.csv $@ $(CONFIG_EXECFUNCS_SYMTAB_ARRAY) $(CONFIG_EXECFUNCS_NSYMBOLS_VAR)
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$(Q) rm -f $@.csv
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CSRCS += exec_symtab.c
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endif
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ifeq ($(CONFIG_MODLIB_SYSTEM_SYMTAB),y)
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modlib_sys_symtab.c : $(CSVFILES) $(MKSYMTAB)
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$(Q) cat $(CSVFILES) | LC_ALL=C sort >$@.csv
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$(Q) $(MKSYMTAB) $@.csv $@ $(CONFIG_MODLIB_SYMTAB_ARRAY) $(CONFIG_MODLIB_NSYMBOLS_VAR)
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$(Q) rm -f $@.csv
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CSRCS += modlib_sys_symtab.c
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endif
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BINDIR ?= bin
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AOBJS = $(patsubst %.S, $(BINDIR)$(DELIM)%$(OBJEXT), $(ASRCS))
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COBJS = $(patsubst %.c, $(BINDIR)$(DELIM)%$(OBJEXT), $(CSRCS))
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SRCS = $(ASRCS) $(CSRCS)
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OBJS = $(AOBJS) $(COBJS)
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KBIN = libkc$(LIBEXT)
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BIN ?= libc$(LIBEXT)
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all: $(BIN)
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.PHONY: clean distclean
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$(AOBJS): $(BINDIR)$(DELIM)%$(OBJEXT): %.S
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$(call ASSEMBLE, $<, $@)
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$(COBJS): $(BINDIR)$(DELIM)%$(OBJEXT): %.c
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$(call COMPILE, $<, $@)
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# C library for the flat build and
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# the user phase of the two-pass kernel build
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$(BIN): $(OBJS)
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$(call ARCHIVE, $@, $(OBJS))
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ifeq ($(CONFIG_LIBC_ZONEINFO_ROMFS),y)
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$(Q) $(MAKE) -C zoneinfo all BIN=$(BIN)
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endif
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# C library for the kernel phase of the two-pass kernel build
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ifneq ($(BIN),$(KBIN))
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$(KBIN): $(OBJS)
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$(Q) $(MAKE) $(KBIN) BIN=$(KBIN) EXTRAFLAGS="$(EXTRAFLAGS)"
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endif
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# Context
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context::
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ifeq ($(CONFIG_LIBC_ZONEINFO_ROMFS),y)
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$(Q) $(MAKE) -C zoneinfo context BIN=$(BIN)
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endif
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# Dependencies
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makedepfile: $(CSRCS:.c=.ddc) $(ASRCS:.S=.dds)
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$(call CATFILE, bin/Make.dep, $^)
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$(call DELFILE, $^)
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makekdepfile: $(CSRCS:.c=.ddc) $(ASRCS:.S=.dds)
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$(call CATFILE, kbin/Make.dep, $^)
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$(call DELFILE, $^)
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.depend: Makefile $(SRCS) $(TOPDIR)$(DELIM).config
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$(Q) $(MAKE) makedepfile OBJPATH="bin"
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ifneq ($(CONFIG_BUILD_FLAT),y)
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$(Q) $(MAKE) makekdepfile CFLAGS="$(CFLAGS) $(KDEFINE)" OBJPATH="kbin"
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endif
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ifeq ($(CONFIG_LIBC_ZONEINFO_ROMFS),y)
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$(Q) $(MAKE) -C zoneinfo depend BIN=$(BIN)
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endif
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$(Q) touch $@
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depend:: .depend
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# Clean most derived files, retaining the configuration
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clean::
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$(Q) $(MAKE) -C bin clean
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$(Q) $(MAKE) -C kbin clean
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$(Q) $(MAKE) -C zoneinfo clean BIN=$(BIN)
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$(call DELFILE, $(BIN))
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$(call DELFILE, $(KBIN))
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$(call CLEAN)
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# Deep clean -- removes all traces of the configuration
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distclean:: clean
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$(Q) $(MAKE) -C bin distclean
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$(Q) $(MAKE) -C kbin distclean
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$(Q) $(MAKE) -C zoneinfo distclean BIN=$(BIN)
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$(call DELFILE, exec_symtab.c)
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$(call DELFILE, bin/Make.dep)
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$(call DELFILE, kbin/Make.dep)
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$(call DELFILE, .depend)
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-include bin/Make.dep
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-include kbin/Make.dep
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