config: * weakref.m4: New file. libitm: * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF. * alloc_cpp.cc: Generate dummy functions if we don't HAVE_ELF_STYLE_WEAKREF. * eh_cpp.cc: Likewise. * configure: Regenerate. * aclocal.m4: Likewise. * config.h.in: Likewise. * Makefile.in: Likewise. * testsuite/Makefile.in: Likewise. From-SVN: r181618
* asmcfi.m4: New file. * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it. * configure, aclocal.m4, config.h.in: Rebuild. * config/generic/asmcfi.h: New file. * config/x86/sjlj.S: Use it. From-SVN: r181224
From-SVN: r181154