Il 20/08/2013 15:59, Tom Tromey ha scritto: > There is an order-only dependency in gcc/Makefile.in that tries to > build the generated files before compiling regular objects. However, > this appears too early, and so at the time it is seen by make, > GCOV_OBJS and GCOV_DUMP_OBJS have not yet been set. > > This patch fixes the problem and prevents any future problems of this > nature by moving the order-only dependency to the end of Makefile.in. > > This also adds lto-wrapper.o to ALL_HOST_BACKEND_OBJS. > > * Makefile.in (ALL_HOST_BACKEND_OBJS): Add lto-wrapper.o. > ($(ALL_HOST_OBJS)): Move order-only dependency to end > of file. > --- > gcc/Makefile.in | 13 +++++++------ > 1 file changed, 7 insertions(+), 6 deletions(-) > > diff --git a/gcc/Makefile.in b/gcc/Makefile.in > index 415f085..172ab4d 100644 > --- a/gcc/Makefile.in > +++ b/gcc/Makefile.in > @@ -1496,7 +1496,8 @@ ALL_HOST_FRONTEND_OBJS = $(foreach > v,$(CONFIG_LANGUAGES),$($(v)_OBJS)) > > ALL_HOST_BACKEND_OBJS = $(GCC_OBJS) $(OBJS) $(OBJS-libcommon) \ > $(OBJS-libcommon-target) @TREEBROWSER@ main.o c-family/cppspec.o \ > - $(COLLECT2_OBJS) $(EXTRA_GCC_OBJS) $(GCOV_OBJS) $(GCOV_DUMP_OBJS) > + $(COLLECT2_OBJS) $(EXTRA_GCC_OBJS) $(GCOV_OBJS) $(GCOV_DUMP_OBJS) \ > + lto-wrapper.o > > # This lists all host object files, whether they are included in this > # compilation or not. > @@ -3884,11 +3885,6 @@ generated_files = config.h tm.h $(TM_P_H) $(TM_H) > multilib.h \ > options.h target-hooks-def.h insn-opinit.h \ > common/common-target-hooks-def.h pass-instances.def > > -# In order for parallel make to really start compiling the expensive > -# objects from $(OBJS) as early as possible, build all their > -# prerequisites strictly before all objects. > -$(ALL_HOST_OBJS) : | $(generated_files) > - > # > # How to compile object files to run on the build machine. > > @@ -5381,3 +5377,8 @@ po/gcc.pot: force > $(MAKE) srcextra > AWK=$(AWK) $(SHELL) $(srcdir)/po/exgettext \ > $(XGETTEXT) gcc $(srcdir) > + > +# In order for parallel make to really start compiling the expensive > +# objects from $(OBJS) as early as possible, build all their > +# prerequisites strictly before all objects. > +$(ALL_HOST_OBJS) : | $(generated_files) >
Ok. Paolo
