incubator-nuttx/libs/libc/Makefile

231 lines
6.8 KiB
Makefile

############################################################################
# libs/libc/Makefile
#
# Copyright (C) 2007-2014, 2016-2017, 2019 Gregory Nutt. All rights reserved.
# Author: Gregory Nutt <gnutt@nuttx.org>
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
# 3. Neither the name NuttX nor the names of its contributors may be
# used to endorse or promote products derived from this software
# without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
###########################################################################
-include $(TOPDIR)/Make.defs
# CFLAGS
ifneq ($(CONFIG_BUILD_FLAT),y)
KDEFINE = ${shell $(DEFINE) "$(CC)" __KERNEL__}
endif
# Sources and paths
ASRCS =
CSRCS =
DEPPATH := --dep-path .
VPATH := .
include aio/Make.defs
include audio/Make.defs
include builtin/Make.defs
include dirent/Make.defs
include dlfcn/Make.defs
include endian/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 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 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 wchar/Make.defs
include wctype/Make.defs
include wqueue/Make.defs
# 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
# REVISIT: Backslash causes problems in $(COBJS) target
DELIM := $(strip /)
BINDIR ?= bin
AOBJS = $(patsubst %.S, $(BINDIR)$(DELIM)%$(OBJEXT), $(ASRCS))
COBJS = $(patsubst %.c, $(BINDIR)$(DELIM)%$(OBJEXT), $(CSRCS))
SRCS = $(ASRCS) $(CSRCS)
OBJS = $(AOBJS) $(COBJS)
UBIN = libuc$(LIBEXT)
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
$(BIN): $(OBJS)
$(call ARCHIVE, $@, $(OBJS))
ifeq ($(CONFIG_LIB_ZONEINFO_ROMFS),y)
$(Q) $(MAKE) -C zoneinfo all TOPDIR=$(TOPDIR) BIN=$(BIN)
endif
# C library for the user phase of the two-pass kernel build
ifneq ($(BIN),$(UBIN))
$(UBIN):
$(Q) $(MAKE) $(UBIN) BIN=$(UBIN) BINDIR=ubin TOPDIR=$(TOPDIR) EXTRAFLAGS="$(EXTRAFLAGS)"
endif
# C library for the kernel phase of the two-pass kernel build
ifneq ($(BIN),$(KBIN))
$(KBIN):
$(Q) $(MAKE) $(KBIN) BIN=$(KBIN) BINDIR=kbin TOPDIR=$(TOPDIR) EXTRAFLAGS="$(EXTRAFLAGS)"
endif
# Context
context:
ifeq ($(CONFIG_LIB_ZONEINFO_ROMFS),y)
$(Q) $(MAKE) -C zoneinfo context TOPDIR=$(TOPDIR) BIN=$(BIN)
endif
# Dependencies
.depend: Makefile $(SRCS)
ifeq ($(CONFIG_BUILD_FLAT),y)
$(Q) $(MKDEP) --obj-path bin --obj-suffix $(OBJEXT) $(DEPPATH) "$(CC)" -- $(CFLAGS) -- $(SRCS) >bin/Make.dep
else
$(Q) $(MKDEP) --obj-path ubin --obj-suffix $(OBJEXT) $(DEPPATH) "$(CC)" -- $(CFLAGS) -- $(SRCS) >ubin/Make.dep
$(Q) $(MKDEP) --obj-path kbin --obj-suffix $(OBJEXT) $(DEPPATH) "$(CC)" -- $(CFLAGS) $(KDEFINE) -- $(SRCS) >kbin/Make.dep
endif
ifeq ($(CONFIG_LIB_ZONEINFO_ROMFS),y)
$(Q) $(MAKE) -C zoneinfo depend TOPDIR=$(TOPDIR) BIN=$(BIN)
endif
$(Q) touch $@
depend: .depend
# Clean most derived files, retaining the configuration
clean:
$(Q) $(MAKE) -C bin clean TOPDIR=$(TOPDIR)
$(Q) $(MAKE) -C ubin clean TOPDIR=$(TOPDIR)
$(Q) $(MAKE) -C kbin clean TOPDIR=$(TOPDIR)
$(Q) $(MAKE) -C zoneinfo clean TOPDIR=$(TOPDIR) BIN=$(BIN)
$(call DELFILE, $(BIN))
$(call DELFILE, $(UBIN))
$(call DELFILE, $(KBIN))
$(call CLEAN)
# Deep clean -- removes all traces of the configuration
distclean: clean
$(Q) $(MAKE) -C bin distclean TOPDIR=$(TOPDIR)
$(Q) $(MAKE) -C ubin distclean TOPDIR=$(TOPDIR)
$(Q) $(MAKE) -C kbin distclean TOPDIR=$(TOPDIR)
$(Q) $(MAKE) -C zoneinfo distclean TOPDIR=$(TOPDIR) BIN=$(BIN)
$(call DELFILE, bin/Make.dep)
$(call DELFILE, ubin/Make.dep)
$(call DELFILE, kbin/Make.dep)
$(call DELFILE, .depend)
-include bin/Make.dep
-include ubin/Make.dep
-include kbin/Make.dep