re PR bootstrap/54732 (Installation failure: libbacktrace rebuilds upon install…

re PR bootstrap/54732 (Installation failure: libbacktrace rebuilds upon install when built with "make bootstrap-lean")

	PR bootstrap/54732
	* configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
	* Makefile.am: Add dependencies for all objects.
	* configure, aclocal.m4, Makefile.in: Rebuild.

From-SVN: r191819

libbacktrace/ChangeLog

 2012-09-27  Ian Lance Taylor  <iant@google.com>
 
+	PR bootstrap/54732
+	* configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
+	* Makefile.am: Add dependencies for all objects.
+	* configure, aclocal.m4, Makefile.in: Rebuild.
+
+2012-09-27  Ian Lance Taylor  <iant@google.com>
+
 	PR other/54726
 	* elf.c (backtrace_initialize): Set *fileln_fn, not
 	state->fileln_fn.

libbacktrace/Makefile.am

@@ -93,3 +93,33 @@ btest_LDADD = libbacktrace.la
 check_PROGRAMS += btest
 
 endif NATIVE
+
+# We can't use automake's automatic dependency tracking, because it
+# breaks when using bootstrap-lean.  Automatic dependency tracking
+# with GCC bootstrap will cause some of the objects to depend on
+# header files in prev-gcc/include, e.g., stddef.h and stdarg.h.  When
+# using bootstrap-lean, prev-gcc is removed after each stage.  When
+# running "make install", those header files will be gone, causing the
+# library to be rebuilt at install time.  That may not succeed.
+
+# These manual dependencies do not include dependencies on unwind.h,
+# even though that is part of GCC, because where to find it depends on
+# whether we are being built as a host library or a target library.
+
+INCDIR = $(top_srcdir)/../include
+alloc.lo: config.h backtrace.h internal.h
+backtrace.lo: config.h backtrace.h
+btest.lo: (INCDIR)/filenames.h backtrace.h backtrace-supported.h
+dwarf.lo: config.h $(INCDIR)/dwarf2.h $(INCDIR)/dwarf2.def \
+	$(INCDIR)/filenames.h backtrace.h internal.h
+elf.lo: config.h backtrace.h internal.h
+fileline.lo: config.h backtrace.h internal.h
+mmap.lo: config.h backtrace.h internal.h
+mmapio.lo: config.h backtrace.h internal.h
+nounwind.lo: config.h internal.h
+posix.lo: config.h backtrace.h internal.h
+print.lo: config.h backtrace.h internal.h
+read.lo: config.h backtrace.h internal.h
+simple.lo: config.h backtrace.h internal.h
+state.lo: config.h backtrace.h backtrace-supported.h internal.h
+unknown.lo: config.h backtrace.h internal.h

libbacktrace/Makefile.in

@@ -72,11 +72,9 @@ subdir = .
 DIST_COMMON = README ChangeLog $(srcdir)/Makefile.in \
 	$(srcdir)/Makefile.am $(top_srcdir)/configure \
 	$(am__configure_deps) $(srcdir)/config.h.in \
-	$(srcdir)/../mkinstalldirs $(srcdir)/backtrace-supported.h.in \
-	$(srcdir)/../depcomp
+	$(srcdir)/../mkinstalldirs $(srcdir)/backtrace-supported.h.in
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
-am__aclocal_m4_deps = $(top_srcdir)/../config/depstand.m4 \
-	$(top_srcdir)/../config/lead-dot.m4 \
+am__aclocal_m4_deps = $(top_srcdir)/../config/lead-dot.m4 \
 	$(top_srcdir)/../config/multi.m4 \
 	$(top_srcdir)/../config/override.m4 \
 	$(top_srcdir)/../config/stdint.m4 \
@@ -106,9 +104,8 @@ btest_LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
 	--mode=link $(CCLD) $(btest_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) \
 	$(LDFLAGS) -o $@
 DEFAULT_INCLUDES = -I.@am__isrc@
-depcomp = $(SHELL) $(top_srcdir)/../depcomp
-am__depfiles_maybe = depfiles
-am__mv = mv -f
+depcomp =
+am__depfiles_maybe =
 COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
 	$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
 LTCOMPILE = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
@@ -143,13 +140,11 @@ BACKTRACE_SUPPORTED = @BACKTRACE_SUPPORTED@
 BACKTRACE_SUPPORTS_THREADS = @BACKTRACE_SUPPORTS_THREADS@
 BACKTRACE_USES_MALLOC = @BACKTRACE_USES_MALLOC@
 CC = @CC@
-CCDEPMODE = @CCDEPMODE@
 CFLAGS = @CFLAGS@
 CPP = @CPP@
 CPPFLAGS = @CPPFLAGS@
 CYGPATH_W = @CYGPATH_W@
 DEFS = @DEFS@
-DEPDIR = @DEPDIR@
 DSYMUTIL = @DSYMUTIL@
 DUMPBIN = @DUMPBIN@
 ECHO_C = @ECHO_C@
@@ -205,9 +200,7 @@ abs_top_builddir = @abs_top_builddir@
 abs_top_srcdir = @abs_top_srcdir@
 ac_ct_CC = @ac_ct_CC@
 ac_ct_DUMPBIN = @ac_ct_DUMPBIN@
-am__include = @am__include@
 am__leading_dot = @am__leading_dot@
-am__quote = @am__quote@
 am__tar = @am__tar@
 am__untar = @am__untar@
 bindir = @bindir@
@@ -305,6 +298,19 @@ TESTS = $(check_PROGRAMS)
 @NATIVE_TRUE@btest_SOURCES = btest.c
 @NATIVE_TRUE@btest_CFLAGS = $(AM_CFLAGS) -g -O
 @NATIVE_TRUE@btest_LDADD = libbacktrace.la
+
+# We can't use automake's automatic dependency tracking, because it
+# breaks when using bootstrap-lean.  Automatic dependency tracking
+# with GCC bootstrap will cause some of the objects to depend on
+# header files in prev-gcc/include, e.g., stddef.h and stdarg.h.  When
+# using bootstrap-lean, prev-gcc is removed after each stage.  When
+# running "make install", those header files will be gone, causing the
+# library to be rebuilt at install time.  That may not succeed.
+
+# These manual dependencies do not include dependencies on unwind.h,
+# even though that is part of GCC, because where to find it depends on
+# whether we are being built as a host library or a target library.
+INCDIR = $(top_srcdir)/../include
 all: config.h
 	$(MAKE) $(AM_MAKEFLAGS) all-am
 
@@ -316,15 +322,15 @@ $(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am  $(am__confi
 	@for dep in $?; do \
 	  case '$(am__configure_deps)' in \
 	    *$$dep*) \
-	      echo ' cd $(srcdir) && $(AUTOMAKE) --foreign'; \
-	      $(am__cd) $(srcdir) && $(AUTOMAKE) --foreign \
+	      echo ' cd $(srcdir) && $(AUTOMAKE) --foreign --ignore-deps'; \
+	      $(am__cd) $(srcdir) && $(AUTOMAKE) --foreign --ignore-deps \
 		&& exit 0; \
 	      exit 1;; \
 	  esac; \
 	done; \
-	echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign Makefile'; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign --ignore-deps Makefile'; \
 	$(am__cd) $(top_srcdir) && \
-	  $(AUTOMAKE) --foreign Makefile
+	  $(AUTOMAKE) --foreign --ignore-deps Makefile
 .PRECIOUS: Makefile
 Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
 	@case '$?' in \
@@ -393,56 +399,20 @@ mostlyclean-compile:
 distclean-compile:
 	-rm -f *.tab.c
 
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/alloc.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/backtrace.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/btest-btest.Po@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/dwarf.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/fileline.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/mmap.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/mmapio.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/nounwind.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/posix.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/print.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/read.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/simple.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/state.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/unknown.Plo@am__quote@
-
 .c.o:
-@am__fastdepCC_TRUE@	$(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
-@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
-@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
-@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
-@am__fastdepCC_FALSE@	$(COMPILE) -c $<
+	$(COMPILE) -c $<
 
 .c.obj:
-@am__fastdepCC_TRUE@	$(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ `$(CYGPATH_W) '$<'`
-@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
-@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
-@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
-@am__fastdepCC_FALSE@	$(COMPILE) -c `$(CYGPATH_W) '$<'`
+	$(COMPILE) -c `$(CYGPATH_W) '$<'`
 
 .c.lo:
-@am__fastdepCC_TRUE@	$(LTCOMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
-@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Plo
-@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='$<' object='$@' libtool=yes @AMDEPBACKSLASH@
-@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
-@am__fastdepCC_FALSE@	$(LTCOMPILE) -c -o $@ $<
+	$(LTCOMPILE) -c -o $@ $<
 
 btest-btest.o: btest.c
-@am__fastdepCC_TRUE@	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(btest_CFLAGS) $(CFLAGS) -MT btest-btest.o -MD -MP -MF $(DEPDIR)/btest-btest.Tpo -c -o btest-btest.o `test -f 'btest.c' || echo '$(srcdir)/'`btest.c
-@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/btest-btest.Tpo $(DEPDIR)/btest-btest.Po
-@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='btest.c' object='btest-btest.o' libtool=no @AMDEPBACKSLASH@
-@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
-@am__fastdepCC_FALSE@	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(btest_CFLAGS) $(CFLAGS) -c -o btest-btest.o `test -f 'btest.c' || echo '$(srcdir)/'`btest.c
+	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(btest_CFLAGS) $(CFLAGS) -c -o btest-btest.o `test -f 'btest.c' || echo '$(srcdir)/'`btest.c
 
 btest-btest.obj: btest.c
-@am__fastdepCC_TRUE@	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(btest_CFLAGS) $(CFLAGS) -MT btest-btest.obj -MD -MP -MF $(DEPDIR)/btest-btest.Tpo -c -o btest-btest.obj `if test -f 'btest.c'; then $(CYGPATH_W) 'btest.c'; else $(CYGPATH_W) '$(srcdir)/btest.c'; fi`
-@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/btest-btest.Tpo $(DEPDIR)/btest-btest.Po
-@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='btest.c' object='btest-btest.obj' libtool=no @AMDEPBACKSLASH@
-@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
-@am__fastdepCC_FALSE@	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(btest_CFLAGS) $(CFLAGS) -c -o btest-btest.obj `if test -f 'btest.c'; then $(CYGPATH_W) 'btest.c'; else $(CYGPATH_W) '$(srcdir)/btest.c'; fi`
+	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(btest_CFLAGS) $(CFLAGS) -c -o btest-btest.obj `if test -f 'btest.c'; then $(CYGPATH_W) 'btest.c'; else $(CYGPATH_W) '$(srcdir)/btest.c'; fi`
 
 mostlyclean-libtool:
 	-rm -f *.lo
@@ -651,7 +621,6 @@ clean-am: clean-checkPROGRAMS clean-generic clean-libtool \
 
 distclean: distclean-am distclean-multi
 	-rm -f $(am__CONFIG_DISTCLEAN_FILES)
-	-rm -rf ./$(DEPDIR)
 	-rm -f Makefile
 distclean-am: clean-am distclean-compile distclean-generic \
 	distclean-hdr distclean-libtool distclean-tags
@@ -699,7 +668,6 @@ installcheck-am:
 maintainer-clean: maintainer-clean-am maintainer-clean-multi
 	-rm -f $(am__CONFIG_DISTCLEAN_FILES)
 	-rm -rf $(top_srcdir)/autom4te.cache
-	-rm -rf ./$(DEPDIR)
 	-rm -f Makefile
 maintainer-clean-am: distclean-am maintainer-clean-generic
 
@@ -738,6 +706,22 @@ uninstall-am:
 	mostlyclean-multi pdf pdf-am ps ps-am tags uninstall \
 	uninstall-am
 
+alloc.lo: config.h backtrace.h internal.h
+backtrace.lo: config.h backtrace.h
+btest.lo: (INCDIR)/filenames.h backtrace.h backtrace-supported.h
+dwarf.lo: config.h $(INCDIR)/dwarf2.h $(INCDIR)/dwarf2.def \
+	$(INCDIR)/filenames.h backtrace.h internal.h
+elf.lo: config.h backtrace.h internal.h
+fileline.lo: config.h backtrace.h internal.h
+mmap.lo: config.h backtrace.h internal.h
+mmapio.lo: config.h backtrace.h internal.h
+nounwind.lo: config.h internal.h
+posix.lo: config.h backtrace.h internal.h
+print.lo: config.h backtrace.h internal.h
+read.lo: config.h backtrace.h internal.h
+simple.lo: config.h backtrace.h internal.h
+state.lo: config.h backtrace.h backtrace-supported.h internal.h
+unknown.lo: config.h backtrace.h internal.h
 
 # Tell versions [3.59,3.63) of GNU make to not export all variables.
 # Otherwise a system limit (for SysV at least) may be exceeded.

libbacktrace/configure.ac

@@ -42,7 +42,16 @@ AC_USE_SYSTEM_EXTENSIONS
 libtool_VERSION=1:0:0
 AC_SUBST(libtool_VERSION)
 
-AM_INIT_AUTOMAKE([1.11.1 foreign no-dist no-define -Wall -Wno-portability])
+# 1.11.1: Require that version of automake.
+# foreign: Don't require README, INSTALL, NEWS, etc.
+# no-define: Don't define PACKAGE and VERSION.
+# no-dependencies: Don't generate automatic dependencies.
+#    (because it breaks when using bootstrap-lean, since some of the
+#    headers are gone at "make install" time).
+# -Wall: Issue all automake warnings.
+# -Wno-portability: Don't warn about constructs supported by GNU make.
+#    (because GCC requires GNU make anyhow).
+AM_INIT_AUTOMAKE([1.11.1 foreign no-dist no-define no-dependencies -Wall -Wno-portability])
 
 AM_MAINTAINER_MODE