https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111386
Bug ID: 111386
Summary: flto=auto => lto1: fatal error: target specific
builtin not available
Product: gcc
Version: 13.2.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: malat at debian dot org
Target Milestone: ---
I cannot build a simple shared library with RVV. Could someone please check my
steps:
% cat foo.c
#include <riscv_vector.h>
int foo()
{
size_t vl = __riscv_vsetvlmax_e8mf8();
return vl;
}
Gives:
% gcc -march=rv64gcv1p0 -flto=auto -o foo.o -c foo.c
% gcc -shared -Wl,-soname,libfoo.so.1 -o libfoo.so.1.0.0 foo.o
lto1: fatal error: target specific builtin not available
compilation terminated.
lto-wrapper: fatal error: gcc returned 1 exit status
compilation terminated.
/usr/bin/ld: error: lto-wrapper failed
collect2: error: ld returned 1 exit status
