86 lines
2.6 KiB
Makefile
86 lines
2.6 KiB
Makefile
#
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# OS/161 build environment: build a program
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#
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# Usage:
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# TOP=../..
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# .include "$(TOP)/mk/os161.config.mk"
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# [defs go here]
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# .include "$(TOP)/mk/os161.prog.mk"
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# [any extra rules go here]
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#
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# Variables controlling this file:
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#
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# PROG Name of program to generate.
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# SRCS .c and .S files to compile.
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#
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# CFLAGS Compile flags.
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# LDFLAGS Link flags.
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# LIBS Libraries to link with.
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# LIBDEPS Full paths of LIBS for depending on.
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#
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# BINDIR Directory under $(OSTREE) to install into,
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# e.g. /bin. Should have a leading slash.
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#
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# Note that individual program makefiles should only *append* to
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# CFLAGS, LDFLAGS, LIBS, and LIBDEPS, not assign them. Otherwise stuff
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# set by os161.config.mk will get lost and bad things will happen.
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#
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BINDIR?=/bin
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# We may want these directories created. (Used by os161.baserules.mk.)
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MKDIRS+=$(MYBUILDDIR)
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MKDIRS+=$(INSTALLTOP)$(BINDIR)
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MKDIRS+=$(OSTREE)$(BINDIR)
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# Default rule: create the program.
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# (In make the first rule found is the default.)
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all: all-local
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all-local: $(MYBUILDDIR) .WAIT $(MYBUILDDIR)/$(PROG)
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# Now get rules to compile the SRCS.
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.include "$(TOP)/mk/os161.compile.mk"
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# Further rules for programs.
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# Clean: delete extraneous files.
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clean-local: cleanprog
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cleanprog:
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rm -f $(MYBUILDDIR)/$(PROG)
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#
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# Install: we can install into either $(INSTALLTOP) or $(OSTREE).
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# When building the whole system, we always install into the staging
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# area. However, if you're working on a particular program it is
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# usually convenient to be able to install it directly to $(OSTREE)
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# instead of doing a complete top-level install.
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#
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# Note that we make a hard link instead of a copy by default to reduce
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# overhead.
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#
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install-staging-local: $(INSTALLTOP)$(BINDIR) .WAIT $(INSTALLTOP)$(BINDIR)/$(PROG)
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$(INSTALLTOP)$(BINDIR)/$(PROG): $(MYBUILDDIR)/$(PROG)
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rm -f $(.TARGET)
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ln $(MYBUILDDIR)/$(PROG) $(.TARGET) >/dev/null 2>&1 || \
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cp $(MYBUILDDIR)/$(PROG) $(.TARGET)
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install-local: install-prog
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install-prog: $(OSTREE)$(BINDIR) $(MYBUILDDIR)/$(PROG)
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rm -f $(OSTREE)$(BINDIR)/$(PROG)
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ln $(MYBUILDDIR)/$(PROG) $(OSTREE)$(BINDIR)/$(PROG) >/dev/null 2>&1 || \
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cp $(MYBUILDDIR)/$(PROG) $(OSTREE)$(BINDIR)/$(PROG)
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# Link the program.
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$(MYBUILDDIR)/$(PROG): $(OBJS) $(LIBDEPS)
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$(LDCC) $(LDFLAGS) $(OBJS) $(LIBS) $(MORELIBS) -o $(.TARGET)
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# Mark targets that don't represent files PHONY, to prevent various
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# lossage if files by those names appear.
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.PHONY: all all-local clean cleanprog install-staging-local
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.PHONY: install-local install-prog
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# Finally, get the shared definitions for the most basic rules.
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.include "$(TOP)/mk/os161.baserules.mk"
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# End.
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