mirror of
https://github.com/golang/go
synced 2024-11-22 02:24:41 -07:00
b3901dc1d8
built. Note that they are only built if a //export comment appears, so other targets should only use them if there is such a comment. Fixes #723. R=rsc CC=golang-dev https://golang.org/cl/1073041
164 lines
4.5 KiB
Plaintext
164 lines
4.5 KiB
Plaintext
# Copyright 2009 The Go Authors. All rights reserved.
|
|
# Use of this source code is governed by a BSD-style
|
|
# license that can be found in the LICENSE file.
|
|
|
|
all: package
|
|
package: _obj/$(TARG).a
|
|
testpackage: _test/$(TARG).a
|
|
|
|
# ugly hack to deal with whitespaces in $GOROOT
|
|
nullstring :=
|
|
space := $(nullstring) # a space at the end
|
|
QUOTED_GOROOT:=$(subst $(space),\ ,$(GOROOT))
|
|
|
|
include $(QUOTED_GOROOT)/src/Make.common
|
|
|
|
# GNU Make 3.80 has a bug in lastword
|
|
# elem=$(lastword $(subst /, ,$(TARG)))
|
|
TARG_words=$(subst /, ,$(TARG))
|
|
elem=$(word $(words $(TARG_words)),$(TARG_words))
|
|
|
|
ifeq ($(elem),$(TARG))
|
|
dir=
|
|
else
|
|
dir=$(patsubst %/$(elem),%,$(TARG))
|
|
endif
|
|
|
|
pkgdir=$(QUOTED_GOROOT)/pkg/$(GOOS)_$(GOARCH)
|
|
|
|
INSTALLFILES+=$(pkgdir)/$(TARG).a
|
|
|
|
# The rest of the cgo rules are below, but these variable updates
|
|
# must be done here so they apply to the main rules.
|
|
ifdef CGOFILES
|
|
GOFILES+=$(patsubst %.go,%.cgo1.go,$(CGOFILES))
|
|
GOFILES+=_cgo_gotypes.go
|
|
OFILES+=_cgo_defun.$O
|
|
GCC_OFILES=$(patsubst %.go,%.cgo2.o,$(CGOFILES))
|
|
INSTALLFILES+=$(pkgdir)/$(TARG).so
|
|
endif
|
|
|
|
PREREQ+=$(patsubst %,%.make,$(DEPS))
|
|
|
|
coverage:
|
|
$(QUOTED_GOBIN)/gotest
|
|
$(QUOTED_GOBIN)/6cov -g $(shell pwd) $O.out | grep -v '_test\.go:'
|
|
|
|
CLEANFILES+=*.cgo1.go *.cgo2.c _cgo_defun.c _cgo_gotypes.go _cgo_export.* *.so _obj _test _testmain.go
|
|
|
|
test:
|
|
$(QUOTED_GOBIN)/gotest
|
|
|
|
bench:
|
|
$(QUOTED_GOBIN)/gotest -benchmarks=. -match="Do not run tests"
|
|
|
|
nuke: clean
|
|
rm -f $(pkgdir)/$(TARG).a
|
|
|
|
testpackage-clean:
|
|
rm -f _test/$(TARG).a _gotest_.$O
|
|
|
|
install: $(INSTALLFILES)
|
|
|
|
$(pkgdir)/$(TARG).a: _obj/$(TARG).a
|
|
@test -d $(QUOTED_GOROOT)/pkg && mkdir -p $(pkgdir)/$(dir)
|
|
cp _obj/$(TARG).a "$@"
|
|
|
|
_go_.$O: $(GOFILES) $(PREREQ)
|
|
$(QUOTED_GOBIN)/$(GC) -o $@ $(GOFILES)
|
|
|
|
_gotest_.$O: $(GOFILES) $(GOTESTFILES) $(PREREQ)
|
|
$(QUOTED_GOBIN)/$(GC) -o $@ $(GOFILES) $(GOTESTFILES)
|
|
|
|
_obj/$(TARG).a: _go_.$O $(OFILES)
|
|
@mkdir -p _obj/$(dir)
|
|
rm -f _obj/$(TARG).a
|
|
$(QUOTED_GOBIN)/gopack grc $@ _go_.$O $(OFILES)
|
|
|
|
_test/$(TARG).a: _gotest_.$O $(OFILES)
|
|
@mkdir -p _test/$(dir)
|
|
rm -f _test/$(TARG).a
|
|
$(QUOTED_GOBIN)/gopack grc $@ _gotest_.$O $(OFILES)
|
|
|
|
importpath:
|
|
@echo $(TARG)
|
|
|
|
dir:
|
|
@echo $(dir)
|
|
|
|
# To use cgo in a Go package, add a line
|
|
#
|
|
# CGOFILES=x.go y.go
|
|
#
|
|
# to the main Makefile. This signals that cgo should process x.go
|
|
# and y.go when building the package.
|
|
# There are three optional variables to set, CGO_CFLAGS, CGO_LDFLAGS,
|
|
# and CGO_DEPS, which specify compiler flags, linker flags, and linker
|
|
# dependencies to use when compiling (using gcc) the C support for
|
|
# x.go and y.go.
|
|
|
|
# Cgo translates each x.go file listed in $(CGOFILES) into a basic
|
|
# translation of x.go, called x.cgo1.go. Additionally, three other
|
|
# files are created:
|
|
#
|
|
# _cgo_gotypes.go - declarations needed for all .go files in the package; imports "unsafe"
|
|
# _cgo_defun.c - C trampoline code to be compiled with 6c and linked into the package
|
|
# x.cgo2.c - C implementations compiled with gcc to create a dynamic library
|
|
#
|
|
|
|
_cgo_defun.c _cgo_gotypes.go _cgo_export.c _cgo_export.h: $(CGOFILES)
|
|
CGOPKGPATH=$(dir) $(QUOTED_GOBIN)/cgo $(CGO_CFLAGS) $(CGOFILES)
|
|
|
|
# Ugly but necessary
|
|
%.cgo1.go: _cgo_defun.c _cgo_gotypes.go
|
|
@true
|
|
|
|
%.cgo2.c: _cgo_defun.c _cgo_gotypes.go
|
|
@true
|
|
|
|
%.cgo2.o: %.cgo2.c
|
|
gcc $(_CGO_CFLAGS_$(GOARCH)) -fPIC -O2 -o $@ -c $(CGO_CFLAGS) $*.cgo2.c
|
|
|
|
_cgo_export.o: _cgo_export.c _cgo_export.h
|
|
gcc $(_CGO_CFLAGS_$(GOARCH)) -fPIC -O2 -o $@ -c $(CGO_CFLAGS) _cgo_export.c
|
|
|
|
# The rules above added x.cgo1.go and _cgo_gotypes.go to $(GOFILES),
|
|
# added _cgo_defun.$O to $OFILES, and added the installed copy of
|
|
# package_x.so (built from x.cgo2.c) to $(INSTALLFILES).
|
|
|
|
RUNTIME_CFLAGS_amd64=-D_64BIT
|
|
RUNTIME_CFLAGS=-I"$(GOROOT)/src/pkg/runtime" $(RUNTIME_CFLAGS_$(GOARCH))
|
|
|
|
# Have to run gcc with the right size argument on hybrid 32/64 machines.
|
|
_CGO_CFLAGS_386=-m32
|
|
_CGO_CFLAGS_amd64=-m64
|
|
_CGO_LDFLAGS_freebsd=-shared -lpthread -lm
|
|
_CGO_LDFLAGS_linux=-shared -lpthread -lm
|
|
_CGO_LDFLAGS_darwin=-dynamiclib -Wl,-undefined,dynamic_lookup
|
|
|
|
|
|
# Compile x.cgo4.c with gcc to make package_x.so.
|
|
|
|
# Compile _cgo_defun.c with 6c; needs access to the runtime headers.
|
|
_cgo_defun.$O: _cgo_defun.c
|
|
$(QUOTED_GOBIN)/$(CC) $(CFLAGS) $(RUNTIME_CFLAGS) _cgo_defun.c
|
|
|
|
_cgo_.so: $(GCC_OFILES) $(CGO_DEPS)
|
|
gcc $(_CGO_CFLAGS_$(GOARCH)) -o $@ $(GCC_OFILES) $(CGO_LDFLAGS) $(_CGO_LDFLAGS_$(GOOS))
|
|
|
|
$(pkgdir)/$(TARG).so: _cgo_.so
|
|
@test -d $(QUOTED_GOROOT)/pkg && mkdir -p $(pkgdir)/$(dir)
|
|
cp _cgo_.so "$@"
|
|
|
|
# Generic build rules.
|
|
# These come last so that the rules above can override them
|
|
# for more specific file names.
|
|
%.$O: %.c
|
|
$(QUOTED_GOBIN)/$(CC) $(CFLAGS) $*.c
|
|
|
|
%.$O: %.s
|
|
$(QUOTED_GOBIN)/$(AS) $*.s
|
|
|
|
%.$O: $(HFILES)
|
|
|