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aarch64: SVE ACLE configure test cleanups

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Use more idiomatic configure test for better autoconf cache and logs.
This commit is contained in:
Szabolcs Nagy 2023-05-04 10:14:43 +01:00
parent c8bd171caf
commit ee68e9cba4
2 changed files with 27 additions and 16 deletions
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24
sysdeps/aarch64/configure vendored
View File

@ -335,18 +335,26 @@ 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 :
if ${libc_cv_aarch64_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 ! ${CC-cc} conftest.c -fsyntax-only -ffreestanding; then
as_fn_error 1 "mathvec is enabled but compiler does not have SVE ACLE. Either use a compatible compiler or configure with --disable-mathvec (this results in incomplete ABI)."
fi
rm conftest.c
if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS -fsyntax-only -ffreestanding conftest.c'
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
(eval $ac_try) 2>&5
ac_status=$?
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; }; then
libc_cv_aarch64_sve_acle=yes
else
libc_cv_aarch64_sve_acle=no
fi
rm conftest.c
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_aarch64_sve_acle" >&5
$as_echo "$libc_cv_aarch64_sve_acle" >&6; }
if test $build_mathvec = yes && test $libc_cv_aarch64_sve_acle = no; then
as_fn_error $? "mathvec is enabled but compiler does not have SVE ACLE. Either use a compatible compiler or configure with --disable-mathvec (this results in incomplete ABI)." "$LINENO" 5
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_has_sve_acle" >&5
$as_echo "$libc_cv_has_sve_acle" >&6; }

19
sysdeps/aarch64/configure.ac
View File

@ -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