summaryrefslogtreecommitdiffstats
path: root/rpc/xdr/src/Makefile.am
diff options
context:
space:
mode:
Diffstat (limited to 'rpc/xdr/src/Makefile.am')
-rw-r--r--rpc/xdr/src/Makefile.am12
1 files changed, 8 insertions, 4 deletions
diff --git a/rpc/xdr/src/Makefile.am b/rpc/xdr/src/Makefile.am
index 73640614c55..10487e27664 100644
--- a/rpc/xdr/src/Makefile.am
+++ b/rpc/xdr/src/Makefile.am
@@ -39,14 +39,18 @@ xdrsrc=$(top_srcdir)/rpc/xdr/src
# could use a '-' (i.e. -@rpcgen ...) and suffer with noisy warnings
# in the build. Or we do this crufty thing instead.
$(XDRSOURCES): $(XDRHEADERS)
- @rpcgen -c -o $(@:.c=.tmp) $(@:.c=.x) && mv $(@:.c=.tmp) $@
+ @if [ ! -e $@ -o $(@:.c=.x) -nt $@ ]; then \
+ rpcgen -c -o $(@:.c=.tmp) $(@:.c=.x) && mv $(@:.c=.tmp) $@ ; \
+ fi
# d*mn sed in netbsd6 doesn't do -i (inline)
# (why are we still running smoke on netbsd6 and not netbsd7?)
$(XDRHEADERS): $(XDRGENFILES)
- @rpcgen -h -o $(@:.h=.tmp) $(@:.h=.x)
- @sed -e '/#ifndef/ s/-/_/g' -e '/#define/ s/-/_/g' -e '/#endif/ s/-/_/' \
- $(@:.h=.tmp) > $@ && rm -f $(@:.h=.tmp)
+ @if [ ! -e $@ -o $(@:.h=.x) -nt $@ ]; then \
+ rpcgen -h -o $(@:.h=.tmp) $(@:.h=.x) ; \
+ sed -e '/#ifndef/ s/-/_/g' -e '/#define/ s/-/_/g' -e '/#endif/ s/-/_/' \
+ $(@:.h=.tmp) > $@ && rm -f $(@:.h=.tmp) ; \
+ fi
# link .x files when doing out-of-tree builds
# have to use .PHONY here to force it; all versions of make