https://bugs.llvm.org/show_bug.cgi?id=43193
Bug ID: 43193
Summary: -DLLVM_ENABLE_LTO="Thin" fails with gcc-9
Product: clang
Version: unspecified
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: Tooling
Assignee: unassignedclangb...@nondot.org
Reporter: sylves...@debian.org
CC: llvm-bugs@lists.llvm.org
% /usr/bin/gcc-8 -flto=thin -c c.c
% /usr/bin/gcc-9 -flto=thin -c c.c
cc1: error: unrecognized argument to ‘-flto=’ option: ‘thin’
This is causing the cmake start to fail with:
-- 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
--
You are receiving this mail because:
You are on the CC list for the bug._______________________________________________
llvm-bugs mailing list
llvm-bugs@lists.llvm.org
https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-bugs
