about summary refs log tree commit diff
diff options
context:
space:
mode:
authorRoland McGrath <roland@redhat.com>2010-04-09 15:31:45 -0700
committerRoland McGrath <roland@redhat.com>2010-04-09 15:31:45 -0700
commit17ad3877276b37af45c380b07b975406cf2e95de (patch)
tree2cf5fc901bf394917ea683475f526bb35f7af1c1
parent4ae73ca00adbf6bf54bafe93d1318e3446af5919 (diff)
downloadglibc-17ad3877276b37af45c380b07b975406cf2e95de.tar.gz
glibc-17ad3877276b37af45c380b07b975406cf2e95de.tar.xz
glibc-17ad3877276b37af45c380b07b975406cf2e95de.zip
Use a stamp file for libc-abis.h rule.
-rw-r--r--ChangeLog5
-rw-r--r--Makerules8
2 files changed, 10 insertions, 3 deletions
diff --git a/ChangeLog b/ChangeLog
index 7d8f1cded9..c38784e7c0 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,10 @@
 2010-04-09  Roland McGrath  <roland@redhat.com>
 
+	* Makerules ($(common-objpfx)libc-abis.h): Depend on libc-abis.stamp.
+	($(common-objpfx)libc-abis.stamp): New target, rule moved from
+	libc-abis.h target.  Use a stamp file to avoid repeating no-op
+	move-if-change on every run.
+
 	* posix/Makefile (tst-chmod-ARGS): Pass $(objdir), not `pwd`.
 
 2010-04-08  Ulrich Drepper  <drepper@redhat.com>
diff --git a/Makerules b/Makerules
index bf03b38a9c..9bfe55056d 100644
--- a/Makerules
+++ b/Makerules
@@ -111,14 +111,16 @@ endif # $(versioning) = yes
 
 ifndef avoid-generated
 before-compile := $(common-objpfx)libc-abis.h $(before-compile)
-$(common-objpfx)libc-abis.h: $(..)scripts/gen-libc-abis \
+$(common-objpfx)libc-abis.h: $(common-objpfx)libc-abis.stamp; @:
+$(common-objpfx)libc-abis.stamp: $(..)scripts/gen-libc-abis \
 			     $(firstword $(wildcard $(sysdirs:=/libc-abis)) \
 					 $(..)libc-abis) \
 			     $(..)Makerules
 	$(SHELL) $< \
 		 $(base-machine)-$(config-vendor)-$(config-os) \
-		 < $(word 2,$^) > $@T
-	$(move-if-change) $@T $@
+		 < $(word 2,$^) > $(@:.stamp=.h)T
+	$(move-if-change) $(@:.stamp=.h)T $(@:.stamp=.h)
+	touch $@
 common-generated += $(common-objpfx)libc-abis.h
 endif # avoid-generated