diff options
Diffstat (limited to 'sysdeps/aarch64/configure')
| -rw-r--r-- | sysdeps/aarch64/configure | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/sysdeps/aarch64/configure b/sysdeps/aarch64/configure index 2130f6b8f8..22ed9d38d2 100644 --- a/sysdeps/aarch64/configure +++ b/sysdeps/aarch64/configure @@ -327,3 +327,26 @@ if test $libc_cv_aarch64_sve_asm = yes; then $as_echo "#define HAVE_AARCH64_SVE_ASM 1" >>confdefs.h fi + +if test x"$build_mathvec" = xnotset; then + build_mathvec=yes +fi + +# Check if compiler is sufficient to build mathvec (needs SVE ACLE) +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for availability of SVE ACLE" >&5 +$as_echo_n "checking for availability of SVE ACLE... " >&6; } +if ${libc_cv_has_sve_acle+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test $build_mathvec = yes; then + cat > conftest.c <<EOF +#include <arm_sve.h> +EOF + if ! ${CC-cc} conftest.c -fsyntax-only; then + as_fn_error 1 "mathvec is enabled but compiler does not have SVE ACLE. Either use a compatible compiler or configure with --disable-mathvec (this results in incomplete ABI)." + fi + rm conftest.c + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_has_sve_acle" >&5 +$as_echo "$libc_cv_has_sve_acle" >&6; } |