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https://github.com/golang/go
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bf991bb7df
allow Makefiles using Make.pkg to specify a list of directories that should be installed before trying to build the package. this is a stopgap for small package trees maintained outside the standard tree. R=r http://go/go-review/1016012
128 lines
3.4 KiB
Plaintext
128 lines
3.4 KiB
Plaintext
# Copyright 2009 The Go Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style
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# license that can be found in the LICENSE file.
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all: package
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package: _obj/$(TARG).a
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testpackage: _test/$(TARG).a
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elem=$(lastword $(subst /, ,$(TARG)))
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dir=$(patsubst %/$(elem),%,./$(TARG))
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pkgdir=$(GOROOT)/pkg/$(GOOS)_$(GOARCH)
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INSTALLFILES=$(pkgdir)/$(TARG).a
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# The rest of the cgo rules are below, but these variable updates
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# must be done here so they apply to the main rules.
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GOFILES+=$(patsubst %.go,%.cgo1.go,$(CGOFILES))
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GOFILES+=$(patsubst %.go,%.cgo2.go,$(CGOFILES))
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OFILES+=$(patsubst %.go,%.cgo3.$O,$(CGOFILES))
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INSTALLFILES+=$(patsubst %.go,$(pkgdir)/$(dir)/$(elem)_%.so,$(CGOFILES))
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PREREQ+=$(patsubst %,%.make,$(DEPS))
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coverage:
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gotest
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6cov -g $(shell pwd) | grep -v '_test\.go:'
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clean:
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rm -rf *.[$(OS)o] *.a [$(OS)].out *.cgo[12].go *.cgo[34].c *.so _obj _test _testmain.go $(CLEANFILES)
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test:
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gotest
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nuke: clean
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rm -f $(pkgdir)/$(TARG).a
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testpackage-clean:
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rm -f _test/$(TARG).a _gotest_.$O
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install: $(INSTALLFILES)
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$(pkgdir)/$(TARG).a: package
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@test -d $(GOROOT)/pkg && mkdir -p $(pkgdir)/$(dir)
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cp _obj/$(TARG).a $@
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_go_.$O: $(GOFILES) $(PREREQ)
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$(GC) -o $@ $(GOFILES)
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_gotest_.$O: $(GOFILES) $(GOTESTFILES) $(PREREQ)
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$(GC) -o $@ $(GOFILES) $(GOTESTFILES)
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_obj/$(TARG).a: _go_.$O $(OFILES)
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@mkdir -p _obj/$(dir)
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rm -f _obj/$(TARG).a
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gopack grc $@ _go_.$O $(OFILES)
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_test/$(TARG).a: _gotest_.$O $(OFILES)
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@mkdir -p _test/$(dir)
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rm -f _test/$(TARG).a
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gopack grc $@ _gotest_.$O $(OFILES)
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importpath:
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@echo $(TARG)
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dir:
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@echo $(dir)
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%.make:
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(cd $* && make)
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# To use cgo in a Go package, add a line
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#
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# CGOFILES=x.go
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#
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# to the main Makefile. This signals that cgo should process x.go.
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# There are two optional variables to set, CGO_CFLAGS and CGO_LDFLAGS,
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# which specify compiler and linker flags to use when compiling
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# (using gcc) the C support for x.go.
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# Cgo translates each x.go file listed in $(CGOFILES) into
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#
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# x.cgo1.go - basic translation of x.go
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# x.cgo2.go - declarations needed for x.cgo1.go; imports "unsafe"
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# x.cgo3.c - C trampoline code to be compiled with 6c and linked into the package
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# x.cgo4.c - C implementations compiled with gcc to create dynamic library
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#
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%.cgo1.go %.cgo2.go %.cgo3.c %.cgo4.c: %.go
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cgo $(CGO_CFLAGS) $*.go
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# The rules above added x.cgo1.go and x.cgo2.go to $(GOFILES),
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# added x.cgo3.$O to $OFILES, and added the installed copy of
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# package_x.so (built from x.cgo4.c) to $(INSTALLFILES).
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# Compile x.cgo3.c with 6c; needs access to the runtime headers.
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RUNTIME_CFLAGS_amd64=-D_64BIT
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RUNTIME_CFLAGS=-I$(GOROOT)/src/pkg/runtime $(RUNTIME_CFLAGS_$(GOARCH))
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%.cgo3.$O: %.cgo3.c
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$(CC) $(CFLAGS) $(RUNTIME_CFLAGS) $*.cgo3.c
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# Have to run gcc with the right size argument on hybrid 32/64 machines.
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_CGO_CFLAGS_386=-m32
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_CGO_CFLAGS_amd64=-m64
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_CGO_LDFLAGS_linux=-shared -lpthread -lm
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_CGO_LDFLAGS_darwin=-dynamiclib -Wl,-undefined,dynamic_lookup
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# Compile x.cgo4.c with gcc to make package_x.so.
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%.cgo4.o: %.cgo4.c
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gcc $(_CGO_CFLAGS_$(GOARCH)) -fPIC -O2 -o $@ -c $(CGO_CFLAGS) $*.cgo4.c
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$(elem)_%.so: %.cgo4.o
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gcc $(_CGO_CFLAGS_$(GOARCH)) $(_CGO_LDFLAGS_$(GOOS)) -o $@ $*.cgo4.o $(CGO_LDFLAGS)
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$(pkgdir)/$(dir)/$(elem)_%.so: $(elem)_%.so
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@test -d $(GOROOT)/pkg && mkdir -p $(pkgdir)/$(dir)
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cp $(elem)_$*.so $@
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# Generic build rules.
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# These come last so that the rules above can override them
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# for more specific file names.
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%.$O: %.c
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$(CC) $(CFLAGS) $*.c
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%.$O: %.s
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$(AS) $*.s
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%.$O: $(HFILES)
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