diff options
Diffstat (limited to 'sunrpc/Makefile')
| -rw-r--r-- | sunrpc/Makefile | 28 |
1 files changed, 20 insertions, 8 deletions
diff --git a/sunrpc/Makefile b/sunrpc/Makefile index 70f91d2bfd..e3e38d151a 100644 --- a/sunrpc/Makefile +++ b/sunrpc/Makefile @@ -118,17 +118,29 @@ $(inst_sysconfdir)/rpc: etc.rpc defines := $(defines) -D_PATH_RPC='"$(sysconfdir)/rpc"' # Generate the rpcsvc headers with rpcgen. -$(objpfx)rpcsvc/%.h: rpcsvc/%.x $(objpfx)rpcgen +# We use a stamp file to avoid unnessary recompilation each time rpcgen is +# relinked. +$(objpfx)rpcsvc/%.h: $(objpfx)rpcsvc/%.stmp +$(objpfx)rpcsvc/%.stmp: rpcsvc/%.x $(objpfx)rpcgen $(make-target-directory) - -@rm -f $@T - $(rpcgen-cmd) -h $< -o $@T - mv -f $@T $@ + -@rm -f ${@:stmp=T} $@ + $(rpcgen-cmd) -h $< -o ${@:stmp=T} + if test -r ${@:stmp=h} && cmp -s ${@:stmp=h} ${@:stmp=T}; \ + then rm -f ${@:stmp=T}; \ + else mv -f ${@:stmp=T} ${@:stmp=h}; fi + touch $@ # Generate the rpcsvc XDR functions with rpcgen. -$(objpfx)x%.c: rpcsvc/%.x $(objpfx)rpcgen - -@rm -f $@T - $(rpcgen-cmd) -c $< -o $@T - mv -f $@T $@ +$(objpfx)x%.c: $(objpfx)x%.stmp +$(objpfx)x%.stmp: rpcsvc/%.x $(objpfx)rpcgen + -@rm -f ${@:stmp=T} $@ + $(rpcgen-cmd) -c $< -o ${@:stmp=T} + if test -r ${@:stmp=c} && cmp -s ${@:stmp=c} ${@:stmp=T}; \ + then rm -f ${@:stmp=T}; \ + else mv -f ${@:stmp=T} ${@:stmp=c}; fi + touch $@ + +generated += $(rpcsvc:%.x=rpcsvc/%.stmp) $(rpcsvc:%.x=x%.stmp) # The generated source files depend on the corresponding generated headers. # Gratuitous dependency on generated .c file here just gets it mentioned to |