code review 218042: syscall: minimal mingw version of syscall to call windo...

src/pkg/runtime/Makefile

 # 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.
 
 include ../../Make.$(GOARCH)
 
 TARG=runtime
 
 # Set SIZE to 32 or 64.
 SIZE_386=32
 SIZE_amd64=64
 SIZE_arm=32
 SIZE=$(SIZE_$(GOARCH))
 
 # Setup CFLAGS.  Add -D_64BIT on 64-bit platforms (sorry).
 CFLAGS_64=-D_64BIT
 # TODO(kaib): fix register allocation to honor extern register so we
 # can enable optimizations again.
 CFLAGS_arm=-N
 CFLAGS_mingw=-D__MINGW__
 CFLAGS=-I$(GOOS) -I$(GOOS)/$(GOARCH) -wF $(CFLAGS_$(SIZE)) $(CFLAGS_$(GOARCH)) $(CFLAGS_$(GOOS))
 
 GOFILES=\
         extern.go\
         type.go\
 
 GOFILES_pchw=\
         pchw/io.go\
 
-GOFILES_mingw=\
-        mingw/syscall.go\
+OFILES_mingw=\
+        syscall.$O\
 
 # 386-specific object files
 OFILES_386=\
         vlop.$O\
         vlrt.$O\
 
 GOARM?=6
 
 # arm-specific object files
 OFILES_arm=\
@@ skipping 46 matching lines @@
         runtime.h\
         hashmap.h\
         malloc.h\
         $(GOARCH)/asm.h\
         $(GOOS)/os.h\
         $(GOOS)/signals.h\
         $(GOOS)/$(GOARCH)/defs.h\
 
 GOFILES+=$(GOFILES_$(GOOS))
 
+# For use by cgo.
+INSTALLFILES=$(pkgdir)/runtime.h $(pkgdir)/cgocall.h
+
 # special, out of the way compiler flag that means "add runtime metadata to output"
 GC+= -+
 
 include ../../Make.pkg
+
+$(pkgdir)/%.h: %.h
+        @test -d $(QUOTED_GOROOT)/pkg && mkdir -p $(pkgdir)
+        cp $< $@
 
 clean: clean-local
 
 clean-local:
         rm -f cgo2c */asm.h runtime.acid.*
 
 $(GOARCH)/asm.h: mkasmh.sh runtime.acid.$(GOARCH)
         ./mkasmh.sh >$@.x
         mv -f $@.x $@
 
@@ skipping 15 matching lines @@
 
 %.$O:   $(GOARCH)/%.s $(GOARCH)/asm.h
         $(QUOTED_GOBIN)/$(AS) $<
 
 %.$O:   $(GOOS)/$(GOARCH)/%.s $(GOARCH)/asm.h
         $(QUOTED_GOBIN)/$(AS) $<
 
 # for discovering offsets inside structs when debugging
 runtime.acid.$(GOARCH): runtime.h proc.c
         $(QUOTED_GOBIN)/$(CC) $(CFLAGS) -a proc.c >$@