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