[Bug 239266] lang/gcc8 fails to build with clang8: tree-vect-loop.c:4979:12: error: expected unqualified-id

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=239266

--- Comment #15 from Andreas Tobler <andreast at FreeBSD.org> ---
(In reply to Gerald Pfeifer from comment #10)

Untested, this might be a way to go:

Index: gcc/config.gcc
===================================================================
--- gcc/config.gcc      (revision 273163)
+++ gcc/config.gcc      (working copy)
@@ -2643,6 +2643,11 @@
                tmake_file="${tmake_file} rs6000/t-freebsd64"
                extra_options="${extra_options} rs6000/linux64.opt"
                ;;
+               case ${with_abi} in
+                   elfv2)
+                       tm_defines="${tm_defines} LINUX64_DEFAULT_ABI_ELFv2=1"
+                       ;;
+                  
             *)
                tm_file="${tm_file} rs6000/freebsd.h"
                ;;

You have to configure gcc with --with-abi=elfv2. The diff above is against gcc
trunk.

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