8b4ecac6c2
to prepare the support of other implementation e.g.: https://github.com/JuliaMath/openlibm https://gitlab.com/gtd-gmbh/libmcs Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
99 lines
2.7 KiB
Makefile
99 lines
2.7 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 $(TOPDIR)/Make.defs
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ifeq ($(CONFIG_LIBM),y)
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include libm/Make.defs
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endif
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BINDIR ?= bin
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AOBJS = $(patsubst %.S, $(BINDIR)$(DELIM)$(DELIM)%$(OBJEXT), $(ASRCS))
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COBJS = $(patsubst %.c, $(BINDIR)$(DELIM)$(DELIM)%$(OBJEXT), $(CSRCS))
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SRCS = $(ASRCS) $(CSRCS)
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OBJS = $(AOBJS) $(COBJS)
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KBIN = libkm$(LIBEXT)
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BIN ?= libm$(LIBEXT)
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all: $(BIN)
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.PHONY: clean distclean
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$(AOBJS): $(BINDIR)$(DELIM)$(DELIM)%$(OBJEXT): %.S
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$(call ASSEMBLE, $<, $@)
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$(COBJS): $(BINDIR)$(DELIM)$(DELIM)%$(OBJEXT): %.c
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$(call COMPILE, $<, $@)
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# math library for the flat build and
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# the user phase of the two-pass kernel build
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$(BIN): $(OBJS)
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$(call ARCHIVE, $@, $(OBJS))
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# math library for the kernel phase of the two-pass kernel build
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ifneq ($(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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# 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) $(KDEFINE)" OBJPATH="kbin"
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endif
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$(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) $(MAKE) -C kbin clean
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$(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) $(MAKE) -C kbin distclean
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$(call DELFILE, bin$(DELIM)Make.dep)
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$(call DELFILE, kbin$(DELIM)Make.dep)
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$(call DELFILE, .depend)
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-include bin$(DELIM)Make.dep
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-include kbin$(DELIM)Make.dep
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