build system: Avoid more 'parallel make' problems

git-svn-id: svn://tug.org/texlive/trunk@31209 c570f23f-e606-0410-a88d-b1316a301751

20 files changed, 42 insertions, 57 deletions

diff --git a/Build/source/ChangeLog b/Build/source/ChangeLog
index 52b4d17f718..464566f220c 100644
--- a/Build/source/ChangeLog
+++ b/Build/source/ChangeLog
@@ -1,3 +1,7 @@
+2013-07-16  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	* am/rebuild.am: Avoid still more 'parallel make' problems.
+
 2013-07-15  Peter Breitenlohner  <peb@mppmu.mpg.de>
 
 	* am/rebuild.am: Avoid more 'parallel make' problems.
diff --git a/Build/source/am/rebuild.am b/Build/source/am/rebuild.am
index db8f5b11fca..81f7d33b623 100644
--- a/Build/source/am/rebuild.am
+++ b/Build/source/am/rebuild.am
@@ -8,7 +8,7 @@
 ## Serialize concurrent rebuild attempts
 ## Compare Automake manual (info Automake) 27.9: Multiple Outputs
 ##
-rebuild.stamp:
+rebuild.stamp: $(rebuild_target)
 	echo timestamp >$@
 
 .PHONY: rebuild
@@ -22,8 +22,7 @@ rebuild: $(rebuild_prereq)
 	if test -f rebuild.stamp; then :; else \
 	  $$dry trap 'rm -rf rebuild.lock' 1 2 13 15; \
 	  if $$dry mkdir rebuild.lock 2>/dev/null; then \
-	    $(MAKE) $(AM_MAKEFLAGS) $(rebuild_target) \
-	      && echo timestamp >rebuild.stamp; \
+	    $(MAKE) $(AM_MAKEFLAGS) rebuild.stamp; \
 	    $$dry rmdir rebuild.lock; \
 	  else \
 	    while test -d rebuild.lock && test -z "$$dry"; do sleep 1; done; \
diff --git a/Build/source/libs/cairo/Makefile.in b/Build/source/libs/cairo/Makefile.in
index c7572798d22..231a4a68a2c 100644
--- a/Build/source/libs/cairo/Makefile.in
+++ b/Build/source/libs/cairo/Makefile.in
@@ -2316,7 +2316,7 @@ config.force: $(reconfig_prereq)
 	    test -f $@; \
 	  fi; \
 	fi
-rebuild.stamp:
+rebuild.stamp: $(rebuild_target)
 	echo timestamp >$@
 
 .PHONY: rebuild
@@ -2330,8 +2330,7 @@ rebuild: $(rebuild_prereq)
 	if test -f rebuild.stamp; then :; else \
 	  $$dry trap 'rm -rf rebuild.lock' 1 2 13 15; \
 	  if $$dry mkdir rebuild.lock 2>/dev/null; then \
-	    $(MAKE) $(AM_MAKEFLAGS) $(rebuild_target) \
-	      && echo timestamp >rebuild.stamp; \
+	    $(MAKE) $(AM_MAKEFLAGS) rebuild.stamp; \
 	    $$dry rmdir rebuild.lock; \
 	  else \
 	    while test -d rebuild.lock && test -z "$$dry"; do sleep 1; done; \
diff --git a/Build/source/libs/freetype/Makefile.in b/Build/source/libs/freetype/Makefile.in
index e179eda8694..f80114e589e 100644
--- a/Build/source/libs/freetype/Makefile.in
+++ b/Build/source/libs/freetype/Makefile.in
@@ -590,7 +590,7 @@ libttf.a: ft-build/Makefile
 
 clean-local:
 	rm -rf libttf.a freetype ft-build ft-install
-rebuild.stamp:
+rebuild.stamp: $(rebuild_target)
 	echo timestamp >$@
 
 .PHONY: rebuild
@@ -604,8 +604,7 @@ rebuild: $(rebuild_prereq)
 	if test -f rebuild.stamp; then :; else \
 	  $$dry trap 'rm -rf rebuild.lock' 1 2 13 15; \
 	  if $$dry mkdir rebuild.lock 2>/dev/null; then \
-	    $(MAKE) $(AM_MAKEFLAGS) $(rebuild_target) \
-	      && echo timestamp >rebuild.stamp; \
+	    $(MAKE) $(AM_MAKEFLAGS) rebuild.stamp; \
 	    $$dry rmdir rebuild.lock; \
 	  else \
 	    while test -d rebuild.lock && test -z "$$dry"; do sleep 1; done; \
diff --git a/Build/source/libs/freetype2/Makefile.in b/Build/source/libs/freetype2/Makefile.in
index fac534fb461..507bab37542 100644
--- a/Build/source/libs/freetype2/Makefile.in
+++ b/Build/source/libs/freetype2/Makefile.in
@@ -599,7 +599,7 @@ libfreetype.a: ft-config
 
 clean-local:
 	rm -rf freetype2 ft2build.h ft-* libfreetype.* pkgconfig
-rebuild.stamp:
+rebuild.stamp: $(rebuild_target)
 	echo timestamp >$@
 
 .PHONY: rebuild
@@ -613,8 +613,7 @@ rebuild: $(rebuild_prereq)
 	if test -f rebuild.stamp; then :; else \
 	  $$dry trap 'rm -rf rebuild.lock' 1 2 13 15; \
 	  if $$dry mkdir rebuild.lock 2>/dev/null; then \
-	    $(MAKE) $(AM_MAKEFLAGS) $(rebuild_target) \
-	      && echo timestamp >rebuild.stamp; \
+	    $(MAKE) $(AM_MAKEFLAGS) rebuild.stamp; \
 	    $$dry rmdir rebuild.lock; \
 	  else \
 	    while test -d rebuild.lock && test -z "$$dry"; do sleep 1; done; \
diff --git a/Build/source/libs/gd/Makefile.in b/Build/source/libs/gd/Makefile.in
index 2e7ed79e285..cb4633f0e13 100644
--- a/Build/source/libs/gd/Makefile.in
+++ b/Build/source/libs/gd/Makefile.in
@@ -1193,7 +1193,7 @@ config.force: $(reconfig_prereq)
 	    test -f $@; \
 	  fi; \
 	fi
-rebuild.stamp:
+rebuild.stamp: $(rebuild_target)
 	echo timestamp >$@
 
 .PHONY: rebuild
@@ -1207,8 +1207,7 @@ rebuild: $(rebuild_prereq)
 	if test -f rebuild.stamp; then :; else \
 	  $$dry trap 'rm -rf rebuild.lock' 1 2 13 15; \
 	  if $$dry mkdir rebuild.lock 2>/dev/null; then \
-	    $(MAKE) $(AM_MAKEFLAGS) $(rebuild_target) \
-	      && echo timestamp >rebuild.stamp; \
+	    $(MAKE) $(AM_MAKEFLAGS) rebuild.stamp; \
 	    $$dry rmdir rebuild.lock; \
 	  else \
 	    while test -d rebuild.lock && test -z "$$dry"; do sleep 1; done; \
diff --git a/Build/source/libs/graphite2/Makefile.in b/Build/source/libs/graphite2/Makefile.in
index e4b9c6613e0..7ba7b4d8d1a 100644
--- a/Build/source/libs/graphite2/Makefile.in
+++ b/Build/source/libs/graphite2/Makefile.in
@@ -1722,7 +1722,7 @@ uninstall-am:
 # in case of an SVN repository
 dist-hook:
 	rm -rf `find $(distdir) -name .svn -o -name .deps -o -name .dirstamp -o -name '*.$(OBJEXT)'`
-rebuild.stamp:
+rebuild.stamp: $(rebuild_target)
 	echo timestamp >$@
 
 .PHONY: rebuild
@@ -1736,8 +1736,7 @@ rebuild: $(rebuild_prereq)
 	if test -f rebuild.stamp; then :; else \
 	  $$dry trap 'rm -rf rebuild.lock' 1 2 13 15; \
 	  if $$dry mkdir rebuild.lock 2>/dev/null; then \
-	    $(MAKE) $(AM_MAKEFLAGS) $(rebuild_target) \
-	      && echo timestamp >rebuild.stamp; \
+	    $(MAKE) $(AM_MAKEFLAGS) rebuild.stamp; \
 	    $$dry rmdir rebuild.lock; \
 	  else \
 	    while test -d rebuild.lock && test -z "$$dry"; do sleep 1; done; \
diff --git a/Build/source/libs/harfbuzz/Makefile.in b/Build/source/libs/harfbuzz/Makefile.in
index 426e344d37d..4756cb3a42d 100644
--- a/Build/source/libs/harfbuzz/Makefile.in
+++ b/Build/source/libs/harfbuzz/Makefile.in
@@ -1676,7 +1676,7 @@ config.force: $(reconfig_prereq)
 	    test -f $@; \
 	  fi; \
 	fi
-rebuild.stamp:
+rebuild.stamp: $(rebuild_target)
 	echo timestamp >$@
 
 .PHONY: rebuild
@@ -1690,8 +1690,7 @@ rebuild: $(rebuild_prereq)
 	if test -f rebuild.stamp; then :; else \
 	  $$dry trap 'rm -rf rebuild.lock' 1 2 13 15; \
 	  if $$dry mkdir rebuild.lock 2>/dev/null; then \
-	    $(MAKE) $(AM_MAKEFLAGS) $(rebuild_target) \
-	      && echo timestamp >rebuild.stamp; \
+	    $(MAKE) $(AM_MAKEFLAGS) rebuild.stamp; \
 	    $$dry rmdir rebuild.lock; \
 	  else \
 	    while test -d rebuild.lock && test -z "$$dry"; do sleep 1; done; \
diff --git a/Build/source/libs/icu/Makefile.in b/Build/source/libs/icu/Makefile.in
index 0cfdd6d0488..273c4e5ab1d 100644
--- a/Build/source/libs/icu/Makefile.in
+++ b/Build/source/libs/icu/Makefile.in
@@ -1312,7 +1312,7 @@ check-makeflags:
 
 distclean-local:
 	rm -rf icu-build icu-native
-rebuild.stamp:
+rebuild.stamp: $(rebuild_target)
 	echo timestamp >$@
 
 .PHONY: rebuild
@@ -1326,8 +1326,7 @@ rebuild: $(rebuild_prereq)
 	if test -f rebuild.stamp; then :; else \
 	  $$dry trap 'rm -rf rebuild.lock' 1 2 13 15; \
 	  if $$dry mkdir rebuild.lock 2>/dev/null; then \
-	    $(MAKE) $(AM_MAKEFLAGS) $(rebuild_target) \
-	      && echo timestamp >rebuild.stamp; \
+	    $(MAKE) $(AM_MAKEFLAGS) rebuild.stamp; \
 	    $$dry rmdir rebuild.lock; \
 	  else \
 	    while test -d rebuild.lock && test -z "$$dry"; do sleep 1; done; \
diff --git a/Build/source/libs/libpng/Makefile.in b/Build/source/libs/libpng/Makefile.in
index 761f983af1f..8d641df2493 100644
--- a/Build/source/libs/libpng/Makefile.in
+++ b/Build/source/libs/libpng/Makefile.in
@@ -1351,7 +1351,7 @@ config.force: $(reconfig_prereq)
 	    test -f $@; \
 	  fi; \
 	fi
-rebuild.stamp:
+rebuild.stamp: $(rebuild_target)
 	echo timestamp >$@
 
 .PHONY: rebuild
@@ -1365,8 +1365,7 @@ rebuild: $(rebuild_prereq)
 	if test -f rebuild.stamp; then :; else \
 	  $$dry trap 'rm -rf rebuild.lock' 1 2 13 15; \
 	  if $$dry mkdir rebuild.lock 2>/dev/null; then \
-	    $(MAKE) $(AM_MAKEFLAGS) $(rebuild_target) \
-	      && echo timestamp >rebuild.stamp; \
+	    $(MAKE) $(AM_MAKEFLAGS) rebuild.stamp; \
 	    $$dry rmdir rebuild.lock; \
 	  else \
 	    while test -d rebuild.lock && test -z "$$dry"; do sleep 1; done; \
diff --git a/Build/source/libs/lua52/Makefile.in b/Build/source/libs/lua52/Makefile.in
index 8ae31b5b2ba..11c7561fc5a 100644
--- a/Build/source/libs/lua52/Makefile.in
+++ b/Build/source/libs/lua52/Makefile.in
@@ -1021,7 +1021,7 @@ uninstall-am:
 # in case of an SVN repository
 dist-hook:
 	rm -rf `find $(distdir) -name .svn -o -name .deps -o -name .dirstamp -o -name '*.$(OBJEXT)'`
-rebuild.stamp:
+rebuild.stamp: $(rebuild_target)
 	echo timestamp >$@
 
 .PHONY: rebuild
@@ -1035,8 +1035,7 @@ rebuild: $(rebuild_prereq)
 	if test -f rebuild.stamp; then :; else \
 	  $$dry trap 'rm -rf rebuild.lock' 1 2 13 15; \
 	  if $$dry mkdir rebuild.lock 2>/dev/null; then \
-	    $(MAKE) $(AM_MAKEFLAGS) $(rebuild_target) \
-	      && echo timestamp >rebuild.stamp; \
+	    $(MAKE) $(AM_MAKEFLAGS) rebuild.stamp; \
 	    $$dry rmdir rebuild.lock; \
 	  else \
 	    while test -d rebuild.lock && test -z "$$dry"; do sleep 1; done; \
diff --git a/Build/source/libs/pixman/Makefile.in b/Build/source/libs/pixman/Makefile.in
index 76796586aa4..0b4d382bd8f 100644
--- a/Build/source/libs/pixman/Makefile.in
+++ b/Build/source/libs/pixman/Makefile.in
@@ -1460,7 +1460,7 @@ uninstall-am:
 dist-hook:
 	rm -rf `find $(distdir) -name .svn -o -name .deps -o -name .dirstamp -o -name '*.$(OBJEXT)'`
 	rm -f $(distdir)/$(PIXMAN_SRC)/pixman-version.h
-rebuild.stamp:
+rebuild.stamp: $(rebuild_target)
 	echo timestamp >$@
 
 .PHONY: rebuild
@@ -1474,8 +1474,7 @@ rebuild: $(rebuild_prereq)
 	if test -f rebuild.stamp; then :; else \
 	  $$dry trap 'rm -rf rebuild.lock' 1 2 13 15; \
 	  if $$dry mkdir rebuild.lock 2>/dev/null; then \
-	    $(MAKE) $(AM_MAKEFLAGS) $(rebuild_target) \
-	      && echo timestamp >rebuild.stamp; \
+	    $(MAKE) $(AM_MAKEFLAGS) rebuild.stamp; \
 	    $$dry rmdir rebuild.lock; \
 	  else \
 	    while test -d rebuild.lock && test -z "$$dry"; do sleep 1; done; \
diff --git a/Build/source/libs/poppler/Makefile.in b/Build/source/libs/poppler/Makefile.in
index 4904bc5f904..dc8f5c390d9 100644
--- a/Build/source/libs/poppler/Makefile.in
+++ b/Build/source/libs/poppler/Makefile.in
@@ -1399,7 +1399,7 @@ config.force: $(reconfig_prereq)
 	    test -f $@; \
 	  fi; \
 	fi
-rebuild.stamp:
+rebuild.stamp: $(rebuild_target)
 	echo timestamp >$@
 
 .PHONY: rebuild
@@ -1413,8 +1413,7 @@ rebuild: $(rebuild_prereq)
 	if test -f rebuild.stamp; then :; else \
 	  $$dry trap 'rm -rf rebuild.lock' 1 2 13 15; \
 	  if $$dry mkdir rebuild.lock 2>/dev/null; then \
-	    $(MAKE) $(AM_MAKEFLAGS) $(rebuild_target) \
-	      && echo timestamp >rebuild.stamp; \
+	    $(MAKE) $(AM_MAKEFLAGS) rebuild.stamp; \
 	    $$dry rmdir rebuild.lock; \
 	  else \
 	    while test -d rebuild.lock && test -z "$$dry"; do sleep 1; done; \
diff --git a/Build/source/libs/potrace/Makefile.in b/Build/source/libs/potrace/Makefile.in
index 180d286dfde..83c66d42c54 100644
--- a/Build/source/libs/potrace/Makefile.in
+++ b/Build/source/libs/potrace/Makefile.in
@@ -1290,7 +1290,7 @@ uninstall-am:
 # in case of an SVN repository
 dist-hook:
 	rm -rf `find $(distdir) -name .svn -o -name .deps -o -name .dirstamp -o -name '*.$(OBJEXT)'`
-rebuild.stamp:
+rebuild.stamp: $(rebuild_target)
 	echo timestamp >$@
 
 .PHONY: rebuild
@@ -1304,8 +1304,7 @@ rebuild: $(rebuild_prereq)
 	if test -f rebuild.stamp; then :; else \
 	  $$dry trap 'rm -rf rebuild.lock' 1 2 13 15; \
 	  if $$dry mkdir rebuild.lock 2>/dev/null; then \
-	    $(MAKE) $(AM_MAKEFLAGS) $(rebuild_target) \
-	      && echo timestamp >rebuild.stamp; \
+	    $(MAKE) $(AM_MAKEFLAGS) rebuild.stamp; \
 	    $$dry rmdir rebuild.lock; \
 	  else \
 	    while test -d rebuild.lock && test -z "$$dry"; do sleep 1; done; \
diff --git a/Build/source/libs/teckit/Makefile.in b/Build/source/libs/teckit/Makefile.in
index 6bb97dbd408..10cb9b156a1 100644
--- a/Build/source/libs/teckit/Makefile.in
+++ b/Build/source/libs/teckit/Makefile.in
@@ -1384,7 +1384,7 @@ config.force: $(reconfig_prereq)
 	    test -f $@; \
 	  fi; \
 	fi
-rebuild.stamp:
+rebuild.stamp: $(rebuild_target)
 	echo timestamp >$@
 
 .PHONY: rebuild
@@ -1398,8 +1398,7 @@ rebuild: $(rebuild_prereq)
 	if test -f rebuild.stamp; then :; else \
 	  $$dry trap 'rm -rf rebuild.lock' 1 2 13 15; \
 	  if $$dry mkdir rebuild.lock 2>/dev/null; then \
-	    $(MAKE) $(AM_MAKEFLAGS) $(rebuild_target) \
-	      && echo timestamp >rebuild.stamp; \
+	    $(MAKE) $(AM_MAKEFLAGS) rebuild.stamp; \
 	    $$dry rmdir rebuild.lock; \
 	  else \
 	    while test -d rebuild.lock && test -z "$$dry"; do sleep 1; done; \
diff --git a/Build/source/libs/xpdf/Makefile.in b/Build/source/libs/xpdf/Makefile.in
index 02a5f180f2f..643624821f6 100644
--- a/Build/source/libs/xpdf/Makefile.in
+++ b/Build/source/libs/xpdf/Makefile.in
@@ -1151,7 +1151,7 @@ uninstall-am:
 dist-hook:
 	rm -rf `find $(distdir) -name .svn -o -name .deps -o -name .dirstamp -o -name '*.$(OBJEXT)'`
 	rm -f $(distdir)/$(XPDF_TREE)/install-sh
-rebuild.stamp:
+rebuild.stamp: $(rebuild_target)
 	echo timestamp >$@
 
 .PHONY: rebuild
@@ -1165,8 +1165,7 @@ rebuild: $(rebuild_prereq)
 	if test -f rebuild.stamp; then :; else \
 	  $$dry trap 'rm -rf rebuild.lock' 1 2 13 15; \
 	  if $$dry mkdir rebuild.lock 2>/dev/null; then \
-	    $(MAKE) $(AM_MAKEFLAGS) $(rebuild_target) \
-	      && echo timestamp >rebuild.stamp; \
+	    $(MAKE) $(AM_MAKEFLAGS) rebuild.stamp; \
 	    $$dry rmdir rebuild.lock; \
 	  else \
 	    while test -d rebuild.lock && test -z "$$dry"; do sleep 1; done; \
diff --git a/Build/source/libs/zlib/Makefile.in b/Build/source/libs/zlib/Makefile.in
index e399bfc3110..aad454dc625 100644
--- a/Build/source/libs/zlib/Makefile.in
+++ b/Build/source/libs/zlib/Makefile.in
@@ -1354,7 +1354,7 @@ $(libz_a_OBJECTS): zconf.h
 zconf.h: $(ZLIB_TREE)/zconf.h.in config.status
 	echo '$(SHELL) ./config.status $@'
 	$(SHELL) ./config.status $@
-rebuild.stamp:
+rebuild.stamp: $(rebuild_target)
 	echo timestamp >$@
 
 .PHONY: rebuild
@@ -1368,8 +1368,7 @@ rebuild: $(rebuild_prereq)
 	if test -f rebuild.stamp; then :; else \
 	  $$dry trap 'rm -rf rebuild.lock' 1 2 13 15; \
 	  if $$dry mkdir rebuild.lock 2>/dev/null; then \
-	    $(MAKE) $(AM_MAKEFLAGS) $(rebuild_target) \
-	      && echo timestamp >rebuild.stamp; \
+	    $(MAKE) $(AM_MAKEFLAGS) rebuild.stamp; \
 	    $$dry rmdir rebuild.lock; \
 	  else \
 	    while test -d rebuild.lock && test -z "$$dry"; do sleep 1; done; \
diff --git a/Build/source/libs/zziplib/Makefile.in b/Build/source/libs/zziplib/Makefile.in
index 19fbc516883..258671bfddb 100644
--- a/Build/source/libs/zziplib/Makefile.in
+++ b/Build/source/libs/zziplib/Makefile.in
@@ -1357,7 +1357,7 @@ config.force: $(reconfig_prereq)
 	    test -f $@; \
 	  fi; \
 	fi
-rebuild.stamp:
+rebuild.stamp: $(rebuild_target)
 	echo timestamp >$@
 
 .PHONY: rebuild
@@ -1371,8 +1371,7 @@ rebuild: $(rebuild_prereq)
 	if test -f rebuild.stamp; then :; else \
 	  $$dry trap 'rm -rf rebuild.lock' 1 2 13 15; \
 	  if $$dry mkdir rebuild.lock 2>/dev/null; then \
-	    $(MAKE) $(AM_MAKEFLAGS) $(rebuild_target) \
-	      && echo timestamp >rebuild.stamp; \
+	    $(MAKE) $(AM_MAKEFLAGS) rebuild.stamp; \
 	    $$dry rmdir rebuild.lock; \
 	  else \
 	    while test -d rebuild.lock && test -z "$$dry"; do sleep 1; done; \
diff --git a/Build/source/texk/kpathsea/Makefile.in b/Build/source/texk/kpathsea/Makefile.in
index 6dfa18d4ddf..97fbc457996 100644
--- a/Build/source/texk/kpathsea/Makefile.in
+++ b/Build/source/texk/kpathsea/Makefile.in
@@ -2283,7 +2283,7 @@ uninstall-bin-links:
 install-exec-hook: install-bin-links
 
 uninstall-hook: uninstall-bin-links
-rebuild.stamp:
+rebuild.stamp: $(rebuild_target)
 	echo timestamp >$@
 
 .PHONY: rebuild
@@ -2297,8 +2297,7 @@ rebuild: $(rebuild_prereq)
 	if test -f rebuild.stamp; then :; else \
 	  $$dry trap 'rm -rf rebuild.lock' 1 2 13 15; \
 	  if $$dry mkdir rebuild.lock 2>/dev/null; then \
-	    $(MAKE) $(AM_MAKEFLAGS) $(rebuild_target) \
-	      && echo timestamp >rebuild.stamp; \
+	    $(MAKE) $(AM_MAKEFLAGS) rebuild.stamp; \
 	    $$dry rmdir rebuild.lock; \
 	  else \
 	    while test -d rebuild.lock && test -z "$$dry"; do sleep 1; done; \
diff --git a/Build/source/texk/ptexenc/Makefile.in b/Build/source/texk/ptexenc/Makefile.in
index 1aca1351c85..9712115a71f 100644
--- a/Build/source/texk/ptexenc/Makefile.in
+++ b/Build/source/texk/ptexenc/Makefile.in
@@ -936,7 +936,7 @@ uninstall-am: uninstall-libLTLIBRARIES uninstall-nobase_includeHEADERS
 $(libptexenc_la_OBJECTS): $(KPATHSEA_DEPEND)
 
 @KPATHSEA_RULE@
-rebuild.stamp:
+rebuild.stamp: $(rebuild_target)
 	echo timestamp >$@
 
 .PHONY: rebuild
@@ -950,8 +950,7 @@ rebuild: $(rebuild_prereq)
 	if test -f rebuild.stamp; then :; else \
 	  $$dry trap 'rm -rf rebuild.lock' 1 2 13 15; \
 	  if $$dry mkdir rebuild.lock 2>/dev/null; then \
-	    $(MAKE) $(AM_MAKEFLAGS) $(rebuild_target) \
-	      && echo timestamp >rebuild.stamp; \
+	    $(MAKE) $(AM_MAKEFLAGS) rebuild.stamp; \
 	    $$dry rmdir rebuild.lock; \
 	  else \
 	    while test -d rebuild.lock && test -z "$$dry"; do sleep 1; done; \