http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54926
Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|REOPENED |WAITING CC| |jakub at gcc dot gnu.org --- Comment #7 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-12-06 18:39:03 UTC --- For the bootstrap comparison failures, I'd guess libbacktrace should be built with -frandom-seed=$@ in CFLAGS similarly how libstdc++-v3 is built. In what way doesn't backtrace work in the compiler? Does it crash, or not print any backtrace? The former would be a regression, the latter would not. So, does: 2012-12-06 Jakub Jelinek <ja...@redhat.com> PR bootstrap/54926 * Makefile.am (AM_CFLAGS): Add -frandom-seed=$@. * Makefile.in: Regenerated. --- libbacktrace/Makefile.am.jj 2012-10-02 15:36:21.000000000 +0200 +++ libbacktrace/Makefile.am 2012-12-06 19:36:05.888001803 +0100 @@ -34,7 +34,7 @@ ACLOCAL_AMFLAGS = -I .. -I ../config AM_CPPFLAGS = -I $(top_srcdir)/../include -I $(top_srcdir)/../libgcc \ -I ../libgcc -I ../gcc/include -I $(MULTIBUILDTOP)../../gcc/include -AM_CFLAGS = $(EXTRA_FLAGS) $(WARN_FLAGS) $(PIC_FLAG) +AM_CFLAGS = $(EXTRA_FLAGS) $(WARN_FLAGS) $(PIC_FLAG) -frandom-seed=$@ noinst_LTLIBRARIES = libbacktrace.la --- libbacktrace/Makefile.in.jj 2012-10-02 15:36:21.000000000 +0200 +++ libbacktrace/Makefile.in 2012-12-06 19:36:26.284875521 +0100 @@ -254,7 +254,7 @@ ACLOCAL_AMFLAGS = -I .. -I ../config AM_CPPFLAGS = -I $(top_srcdir)/../include -I $(top_srcdir)/../libgcc \ -I ../libgcc -I ../gcc/include -I $(MULTIBUILDTOP)../../gcc/include -AM_CFLAGS = $(EXTRA_FLAGS) $(WARN_FLAGS) $(PIC_FLAG) +AM_CFLAGS = $(EXTRA_FLAGS) $(WARN_FLAGS) $(PIC_FLAG) -frandom-seed=$@ noinst_LTLIBRARIES = libbacktrace.la libbacktrace_la_SOURCES = \ backtrace.h \ patch fix all the regressions, turning this just into enhancement request to support libbacktrace better on HP-UX?