> I’m attaching the patch and am currently building it locally to > see whether this was all or whether more is needed.
It failed very early with… […] -- Builtin supported architectures: -- Linker detection: GNU ld -- Linker detection: GNU ld -- Builtin supported architectures: -- check-shadowcallstack does nothing. -- Sphinx enabled. -- Found Sphinx: /usr/bin/sphinx-build -- ISL version: isl-0.20-65-gb822a210 -- Performing Test HAS_ATTRIBUTE_WARN_UNUSED_RESULT -- Performing Test HAS_ATTRIBUTE_WARN_UNUSED_RESULT - Failed -- Performing Test HAVE___ATTRIBUTE__ -- Performing Test HAVE___ATTRIBUTE__ - Failed -- Performing Test HAVE_DECL_FFS -- Performing Test HAVE_DECL_FFS - Failed -- Performing Test HAVE_DECL___BUILTIN_FFS -- Performing Test HAVE_DECL___BUILTIN_FFS - Failed -- Performing Test HAVE_DECL__BITSCANFORWARD -- Performing Test HAVE_DECL__BITSCANFORWARD - Failed CMake Error at tools/polly/lib/External/CMakeLists.txt:91 (message): No ffs implementation found … which is caused by: cc1: error: unrecognized argument to '-flto=' option: 'thin' Somehow, the build system applies -flto=thin to the host compiler, and GCC doesn’t support this flag. bye, //mirabilos -- tarent solutions GmbH Rochusstraße 2-4, D-53123 Bonn • http://www.tarent.de/ Tel: +49 228 54881-393 • Fax: +49 228 54881-235 HRB 5168 (AG Bonn) • USt-ID (VAT): DE122264941 Geschäftsführer: Dr. Stefan Barth, Kai Ebenrett, Boris Esser, Alexander Steeg

