110 lines
3.2 KiB
Makefile
110 lines
3.2 KiB
Makefile
#
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# OS/161 build environment: build a host-system 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.hostprog.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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# HOST_CFLAGS Compile flags.
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# HOST_LDFLAGS Link flags.
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# HOST_LIBS Libraries to link with.
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#
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# HOSTBINDIR Directory under $(OSTREE) to install into,
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# e.g. /hostbin. Should have a leading slash.
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# If not set, the program goes in
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# $(TOOLDIR)/hostbin instead.
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#
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# Note that individual program makefiles should only *append* to
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# HOST_CFLAGS, HOST_LDFLAGS, and HOST_LIBS, not assign them. Otherwise
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# stuff set by os161.config.mk will get lost and bad things will
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# happen.
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#
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# This is set up so it can be used together with os161.prog.mk if
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# necessary.
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#
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# Real name
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_PROG_=host-$(PROG)
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# Directory to install into
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.if defined(HOSTBINDIR)
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_INSTALLDIR_=$(INSTALLTOP)$(HOSTBINDIR)
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.else
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_INSTALLDIR_=$(TOOLDIR)/hostbin
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.endif
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# We may want these directories created. (Used by os161.baserules.mk.)
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MKDIRS+=$(MYBUILDDIR)
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MKDIRS+=$(_INSTALLDIR_)
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.if defined(HOSTBINDIR)
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MKDIRS+=$(OSTREE)$(HOSTBINDIR)
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.endif
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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.hostcompile.mk"
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# Further rules for programs.
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# Clean: delete extraneous files.
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clean-local: cleanhostprog
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cleanhostprog:
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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: $(_INSTALLDIR_) .WAIT $(_INSTALLDIR_)/$(_PROG_)
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$(_INSTALLDIR_)/$(_PROG_): $(MYBUILDDIR)/$(_PROG_)
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rm -f $(.TARGET)
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ln $(MYBUILDDIR)/$(_PROG_) $(.TARGET) || \
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cp $(MYBUILDDIR)/$(_PROG_) $(.TARGET)
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.if defined(HOSTBINDIR)
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install-local: install-hostprog
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install-hostprog: $(OSTREE)$(HOSTBINDIR) $(MYBUILDDIR)/$(_PROG_)
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rm -f $(OSTREE)$(HOSTBINDIR)/$(_PROG_)
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ln $(MYBUILDDIR)/$(_PROG_) $(OSTREE)$(HOSTBINDIR)/$(_PROG_) || \
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cp $(MYBUILDDIR)/$(_PROG_) $(OSTREE)$(HOSTBINDIR)/$(_PROG_)
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.else
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install-local:
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@echo "Nothing to manually install"
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.endif
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# Always implicitly include the compat library.
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_COMPATLIB_=$(TOOLDIR)/hostlib/libhostcompat.a
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# Link the program.
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$(MYBUILDDIR)/$(_PROG_): $(HOST_OBJS) $(_COMPATLIB_)
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$(HOST_LDCC) $(HOST_LDFLAGS) $(HOST_OBJS) $(HOST_LIBS) $(_COMPATLIB_) \
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-o $(.TARGET)
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# Mark targets that don't represent files PHONY, to prevent various
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# lossage if files by those names appear.
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.PHONY: all all-local clean-local cleanhostprog install-staging-local
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.PHONY: install-local install-hostprog
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# Finally, get the shared definitions for the most basic rules.
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.include "$(TOP)/mk/os161.baserules.mk"
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# End.
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