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6c27f3c19d
Some toolchains may be built without libm support, but using such toochain should not generate any errors in case if math functions are not used in the program Signed-off-by: Petro Karashchenko <petro.karashchenko@gmail.com>
172 lines
4.7 KiB
Makefile
172 lines
4.7 KiB
Makefile
############################################################################
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# arch/renesas/src/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 chip/Make.defs
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ARCH_SRCDIR = $(TOPDIR)$(DELIM)arch$(DELIM)$(CONFIG_ARCH)$(DELIM)src
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INCLUDES += ${shell $(INCDIR) "$(CC)" $(ARCH_SRCDIR)$(DELIM)chip}
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INCLUDES += ${shell $(INCDIR) "$(CC)" $(ARCH_SRCDIR)$(DELIM)common}
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INCLUDES += ${shell $(INCDIR) "$(CC)" $(ARCH_SRCDIR)$(DELIM)$(ARCH_SUBDIR)}
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INCLUDES += ${shell $(INCDIR) "$(CC)" $(TOPDIR)$(DELIM)sched}
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CPPFLAGS += $(INCLUDES)
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CFLAGS += $(INCLUDES)
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CXXFLAGS += $(INCLUDES)
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AFLAGS += $(INCLUDES)
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ifeq ($(CONFIG_CYGWIN_WINTOOL),y)
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NUTTX = "${shell cygpath -w $(TOPDIR)$(DELIM)nuttx$(EXEEXT)}"
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else
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NUTTX = "$(TOPDIR)$(DELIM)nuttx$(EXEEXT)"
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endif
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HEAD_OBJ = $(HEAD_ASRC:.S=$(OBJEXT))
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STARTUP_OBJS ?= $(HEAD_OBJ)
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ASRCS = $(CHIP_ASRCS) $(CMN_ASRCS)
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AOBJS = $(CHIP_ASRCS:.S=$(OBJEXT))
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CSRCS = $(CHIP_CSRCS) $(CMN_CSRCS)
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COBJS = $(CSRCS:.c=$(OBJEXT))
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SRCS = $(ASRCS) $(CSRCS)
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OBJS = $(AOBJS) $(COBJS)
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# Override in Make.defs if linker is not 'ld'
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LDSTARTGROUP ?= --start-group
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LDENDGROUP ?= --end-group
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LDFLAGS += $(ARCHSCRIPT)
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BOARDMAKE = $(if $(wildcard board$(DELIM)Makefile),y,)
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ifeq ($(CONFIG_CYGWIN_WINTOOL),y)
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LIBPATHS += -L"${shell cygpath -w "$(TOPDIR)$(DELIM)staging"}"
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ifeq ($(BOARDMAKE),y)
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LIBPATHS += -L"${shell cygpath -w "$(TOPDIR)$(DELIM)arch$(DELIM)$(CONFIG_ARCH)$(DELIM)src$(DELIM)board"}"
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endif
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else
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LIBPATHS += -L"$(TOPDIR)$(DELIM)staging"
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ifeq ($(BOARDMAKE),y)
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LIBPATHS += -L"$(TOPDIR)$(DELIM)arch$(DELIM)$(CONFIG_ARCH)$(DELIM)src$(DELIM)board"
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endif
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endif
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LDLIBS = $(patsubst %.a,%,$(patsubst lib%,-l%,$(LINKLIBS)))
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ifeq ($(BOARDMAKE),y)
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LDLIBS += -lboard
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endif
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# Add the builtin library
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EXTRA_LIBS += -lgcc
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EXTRA_LIBPATHS += -L""${shell dirname "`$(CC) $(ARCHCPUFLAGS) --print-libgcc-file-name`"}""
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ifneq ($(CONFIG_LIBM),y)
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LIBM_PATH = "${shell dirname "`$(CC) $(ARCHCPUFLAGS) --print-file-name=libm.a`"}"
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# Check if libm is provided by the compiler
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ifneq ($(LIBM_PATH),".")
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EXTRA_LIBS += -lm
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EXTRA_LIBPATHS += -L $(LIBM_PATH)
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endif
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endif
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ifeq ($(CONFIG_LIBSUPCXX),y)
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EXTRA_LIBS += -lsupc++
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EXTRA_LIBPATHS += -L "${shell dirname "`$(CC) $(ARCHCPUFLAGS) --print-file-name=libsupc++.a`"}"
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endif
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VPATH = chip:common
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all: $(HEAD_OBJ) libarch$(LIBEXT)
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.PHONY: board/libboard$(LIBEXT)
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$(AOBJS) $(HEAD_OBJ): %$(OBJEXT): %.S
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$(call ASSEMBLE, $<, $@)
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$(COBJS): %$(OBJEXT): %.c
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$(call COMPILE, $<, $@)
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libarch$(LIBEXT): $(OBJS)
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$(call ARCHIVE, $@, $(OBJS))
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board/libboard$(LIBEXT):
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$(Q) $(MAKE) -C board libboard$(LIBEXT) EXTRAFLAGS="$(EXTRAFLAGS)"
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nuttx$(EXEEXT): $(HEAD_OBJ) board/libboard$(LIBEXT)
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@echo "LD: nuttx"
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$(Q) $(LD) --entry=__start $(LDFLAGS) $(LIBPATHS) $(EXTRA_LIBPATHS) \
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-o $(NUTTX) $(HEAD_OBJ) $(EXTRA_OBJS) \
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$(LDSTARTGROUP) $(LDLIBS) $(EXTRA_LIBS) $(LDENDGROUP)
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ifneq ($(CONFIG_WINDOWS_NATIVE),y)
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$(Q) $(NM) $(NUTTX) | \
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grep -v '\(compiled\)\|\(\$(OBJEXT)$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \
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sort > $(TOPDIR)/System.map
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endif
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# This is part of the top-level export target
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export_startup: board/libboard$(LIBEXT) $(STARTUP_OBJS)
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$(Q) if [ -d "$(EXPORT_DIR)/startup" ]; then \
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cp -f $(STARTUP_OBJS) "$(EXPORT_DIR)/startup"; \
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else \
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echo "$(EXPORT_DIR)/startup does not exist"; \
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exit 1; \
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fi
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# Dependencies
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makedepfile: $(CSRCS:.c=.ddc) $(ASRCS:.S=.dds) $(HEAD_ASRC:.S=.dds)
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$(call CATFILE, Make.dep, $^)
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$(call DELFILE, $^)
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.depend: Makefile chip/Make.defs $(SRCS) $(TOPDIR)$(DELIM).config
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ifeq ($(BOARDMAKE),y)
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$(Q) $(MAKE) -C board depend
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endif
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$(Q) $(MAKE) makedepfile DEPPATH="--dep-path chip --dep-path common"
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$(Q) touch $@
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depend: .depend
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context::
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clean:
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ifeq ($(BOARDMAKE),y)
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$(Q) $(MAKE) -C board clean
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endif
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$(call DELFILE, libarch$(LIBEXT))
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$(call CLEAN)
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distclean:: clean
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ifeq ($(BOARDMAKE),y)
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$(Q) $(MAKE) -C board distclean
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endif
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$(call DELFILE, Make.dep)
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$(call DELFILE, .depend)
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-include Make.dep
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