mirror of https://github.com/dzavalishin/oskit/
63 lines
2.1 KiB
Plaintext
63 lines
2.1 KiB
Plaintext
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#
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# Copyright (c) 1995-1996, 1998 University of Utah and the Flux Group.
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# All rights reserved.
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#
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# This file is part of the Flux OSKit. The OSKit is free software, also known
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# as "open source;" you can redistribute it and/or modify it under the terms
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# of the GNU General Public License (GPL), version 2, as published by the Free
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# Software Foundation (FSF). To explore alternate licensing terms, contact
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# the University of Utah at csl-dist@cs.utah.edu or +1-801-585-3271.
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#
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# The OSKit is distributed in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE. See the GPL for more details. You should have
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# received a copy of the GPL along with the OSKit; see the file COPYING. If
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# not, write to the FSF, 59 Temple Place #330, Boston, MA 02111-1307, USA.
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#
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# This is a generic set of rules to build DOS executables (.exe files).
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# TARGET must be set to the executable filename without the .exe suffix.
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# Assumes the build tools support the i386msdos format and emulation.
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# Currently also assumes we're using ELF for object files and such.
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#
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ifndef _oskit_makerules_i386_exe_
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_oskit_makerules_i386_exe_ = yes
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all: $(TARGET).exe
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CLEAN_FILES += $(TARGET) $(TARGET).exe
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include $(OSKIT_SRCDIR)/Makerules
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# Make sure crt0 gets put is at the very beginning,
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# and crtn gets put at the very end.
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OBJFILES := i16_crt0.o $(filter-out i16_crt0.o crtn.o,$(OBJFILES)) crtn.o
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# First link the program as an ELF executable,
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# but with the proper MS-DOS memory layout;
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# then use objcopy to transform the result into an MSDOS executable.
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# This approach has three advantages:
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# * It avoids some bugs in the MSDOS BFD backend.
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# * It allows some ELF features unsupported
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# by the MSDOS backend to be used.
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# * It provides with a convenient nm-able and objdump-able
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# version of the executable, for debugging purposes.
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$(TARGET): $(OBJFILES)
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$(LD) $(LDFLAGS) $(OSKIT_LDFLAGS) \
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-m i386msdos -oformat elf32-i386 \
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-o $@ $(OBJFILES) $(LDLIBS)
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$(TARGET).exe: $(TARGET)
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$(OBJCOPY) -O msdos $< $@
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install: $(INSTALL_BINDIR)/$(TARGET).exe
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endif
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