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751a3427e0
Since $(AS) is the assembler, passing it a list of preprocessor include flags doesn't make much sense. The files aren't preprocessed which means `#include` lines aren't respected, and while it would affect `.include` usage, we never use that, and it's extremely unlikely to change. Plus, it's extremely unlikely we'd have .s files in common places to include vs contained entirely within a specific arch dir, and at that point, it can be included directly (with no flags), or the arch can add the unique set of include paths that it needs for itself.
195 lines
5.7 KiB
Makefile
195 lines
5.7 KiB
Makefile
# Makefile for libgloss/epiphany
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# Copyright (c) 2011, 2012 Adapteva, Inc.
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# All rights reserved.
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# Contributor Jeremy Bennett <jeremy.bennett@embecosm.com> for Adapteva Inc
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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# * Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# * Neither the name of Adapteva nor the names of its contributors may be
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# used to endorse or promote products derived from this software without
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# specific prior written permission.
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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# Standard proforma copied from libnosys
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DESTDIR =
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VPATH = @srcdir@
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srcdir = @srcdir@
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objdir = .
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srcroot = $(srcdir)/../..
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objroot = $(objdir)/../..
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prefix = @prefix@
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exec_prefix = @exec_prefix@
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host_alias = @host_alias@
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target_alias = @target_alias@
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program_transform_name = @program_transform_name@
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bindir = @bindir@
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libdir = @libdir@
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tooldir = $(exec_prefix)/$(target_alias)
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# Multilib support variables.
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# TOP is used instead of MULTI{BUILD,SRC}TOP.
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MULTIDIRS =
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MULTISUBDIR =
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MULTIDO = true
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MULTICLEAN = true
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INSTALL = @INSTALL@
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INSTALL_PROGRAM = @INSTALL_PROGRAM@
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INSTALL_DATA = @INSTALL_DATA@
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SHELL = /bin/sh
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CC = @CC@
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#AS = @AS@
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AS = `if [ -f ${objroot}/../gas/as-new ] ; \
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then echo ${objroot}/../gas/as-new ; \
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else echo as ; fi`
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AR = @AR@
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#LD = @LD@
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LD = `if [ -f ${objroot}/../ld/ld-new ] ; \
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then echo ${objroot}/../ld/ld-new ; \
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else echo ld ; fi`
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RANLIB = @RANLIB@
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OBJDUMP = `if [ -f ${objroot}/../binutils/objdump ] ; \
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then echo ${objroot}/../binutils/objdump ; \
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else t='$(program_transform_name)'; echo objdump | sed -e $$t ; fi`
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OBJCOPY = `if [ -f ${objroot}/../binutils/objcopy ] ; \
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then echo ${objroot}/../binutils/objcopy ; \
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else t='$(program_transform_name)'; echo objcopy | sed -e $$t ; fi`
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GCC_LDFLAGS = `if [ -d ${objroot}/../gcc ] ; \
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then echo -L${objroot}/../gcc ; fi`
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NEWLIB_CFLAGS = `if [ -d ${objroot}/newlib ]; then echo -I${objroot}/newlib/targ-include -I${srcroot}/newlib/libc/include; fi`
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NEWLIB_LDFLAGS = `if [ -d ${objroot}/newlib ]; then echo -B${objroot}/newlib/ -L${objroot}/newlib/; fi`
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INCLUDES = -I. -I$(srcdir)/.. -I$(srcdir)/../../newlib/libc/machine/epiphany
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# Note that when building the library, ${MULTILIB} is not the way multilib
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# options are passed; they're passed in $(CFLAGS).
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CFLAGS_FOR_TARGET = ${MULTILIB} ${INCLUDES} ${NEWLIB_CFLAGS}
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LDFLAGS_FOR_TARGET = ${MULTILIB} ${NEWLIB_LDFLAGS}
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AR_FLAGS = qc
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.c.o:
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$(CC) $(CFLAGS_FOR_TARGET) -O2 $(INCLUDES) -c $(CFLAGS) $<
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.C.o:
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$(CC) $(CFLAGS_FOR_TARGET) -O2 $(INCLUDES) -c $(CFLAGS) $<
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.S.o:
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$(CC) $(CFLAGS_FOR_TARGET) $(INCLUDES) -c $(CFLAGS) $<
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.s.o:
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$(AS) $(ASFLAGS_FOR_TARGET) $(ASFLAGS) -o $*.o $<
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#
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# GCC knows to run the preprocessor on .S files before it assembles them.
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#
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.S.o:
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$(CC) $(CFLAGS_FOR_TARGET) $(INCLUDES) $(CFLAGS) -c $<
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#
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# this is a bogus target that'll produce an assembler from the
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# C source with the right compiler options. this is so we can
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# track down code generation or debug symbol bugs.
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#
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.c.s:
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$(CC) $(CFLAGS_FOR_TARGET) -S $(INCLUDES) $(CFLAGS) $<
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# EPIPHANY specific stuff
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# Object files needed for all libraries
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COMMON_OBJS = access.o \
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close.o \
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environ.o \
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execve.o \
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fork.o \
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fstat.o \
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getpid.o \
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gettimeofday.o \
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_isatty.o \
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kill.o \
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link.o \
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lseek.o \
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open.o \
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read.o \
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sbrk.o \
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stat.o \
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times.o \
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unlink.o \
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wait.o \
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write.o \
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_exit.o \
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epiphany-syscalls.o \
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epiphany-ivthandlers.o
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UNUSED_OBJS = chown.o \
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errno.o \
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gettod.o \
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readlink.o \
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symlink.o
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# Object files specific to particular targets.
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SIMOBJS = $(COMMON_OBJS)
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OUTPUTS = libepiphany.a crt0.o
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all: $(OUTPUTS)
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#
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# here's where we build the library for each target
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#
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libepiphany.a: $(SIMOBJS)
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${AR} ${ARFLAGS} $@ $(SIMOBJS)
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${RANLIB} $@
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_exit.o: _exit.S
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$(CC) $(CFLAGS_FOR_TARGET) $(INCLUDES) $(CFLAGS) -c $<
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doc:
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clean mostlyclean:
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rm -f $(OUTPUTS) *.i *~ *.o *-test *.srec *.dis *.map *.x
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distclean maintainer-clean realclean: clean
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rm -f Makefile config.status $(OUTPUTS)
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.PHONY: install info install-info clean-info
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install:
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@for outputs in ${OUTPUTS}; do\
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mkdir -p $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}; \
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$(INSTALL_PROGRAM) $${outputs} $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}; \
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done
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info:
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install-info:
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clean-info:
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Makefile: Makefile.in ../config.status
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cd .. && $(SHELL) config.status
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