http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54206
--- Comment #7 from Paolo Bonzini <bonzini at gnu dot org> 2012-10-05 06:33:41 UTC --- Building in srcdir usually works. Could it be as simple as this? Index: Makefile.am =================================================================== --- Makefile.am (revisione 177688) +++ Makefile.am (copia locale) @@ -12,7 +12,7 @@ AM_CFLAGS = @ac_lto_plugin_warn_cflags@ AM_LIBTOOLFLAGS = --tag=disable-static libexecsub_LTLIBRARIES = liblto_plugin.la -gcc_build_dir = ../$(host_subdir)/gcc +gcc_build_dir = ../gcc in_gcc_libs = $(foreach lib, $(libexecsub_LTLIBRARIES), $(gcc_build_dir)/$(lib)) # Can be removed when libiberty becomes a normal convenience library
