diff options
Diffstat (limited to 'sysdeps/aarch64/configure.ac')
| -rw-r--r-- | sysdeps/aarch64/configure.ac | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/sysdeps/aarch64/configure.ac b/sysdeps/aarch64/configure.ac index 259edc3..76f78fc 100644 --- a/sysdeps/aarch64/configure.ac +++ b/sysdeps/aarch64/configure.ac @@ -107,13 +107,16 @@ if test x"$build_mathvec" = xnotset; then fi # Check if compiler is sufficient to build mathvec (needs SVE ACLE) -AC_CACHE_CHECK(for availability of SVE ACLE, libc_cv_has_sve_acle, [dnl - if test $build_mathvec = yes; then - cat > conftest.c <<EOF +AC_CACHE_CHECK(for availability of SVE ACLE, libc_cv_aarch64_sve_acle, [dnl + cat > conftest.c <<EOF #include <arm_sve.h> EOF - if ! ${CC-cc} conftest.c -fsyntax-only -ffreestanding; then - as_fn_error 1 "mathvec is enabled but compiler does not have SVE ACLE. Either use a compatible compiler or configure with --disable-mathvec (this results in incomplete ABI)." - fi - rm conftest.c - fi]) + if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS -fsyntax-only -ffreestanding conftest.c]); then + libc_cv_aarch64_sve_acle=yes + else + libc_cv_aarch64_sve_acle=no + fi + rm conftest.c]) +if test $build_mathvec = yes && test $libc_cv_aarch64_sve_acle = no; then + AC_MSG_ERROR([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 |