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# This file is generated from configure.ac by Autoconf. DO NOT EDIT!
# Local configure fragment for sysdeps/loongarch/elf.
printf "%s\n" "#define HIDDEN_VAR_NEEDS_DYNAMIC_RELOC 1" >>confdefs.h
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if ${CC-cc} is sufficient to build static PIE on LoongArch" >&5
printf %s "checking if ${CC-cc} is sufficient to build static PIE on LoongArch... " >&6; }
if test ${libc_cv_static_pie_on_loongarch+y}
then :
printf %s "(cached) " >&6
else case e in #(
e)
cat > conftest.S <<\EOF
.global _start
.type _start, @function
_start:
li.w $a7, 93
li.w $a0, 0
syscall 0
.data
x:
.word 0
/* This should produce an R_LARCH_RELATIVE in the static PIE. */
.dword _start
EOF
libc_cv_static_pie_on_loongarch=no
if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -static-pie -nostdlib -fPIE -o conftest conftest.S'
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
(eval $ac_try) 2>&5
ac_status=$?
printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; } \
&& { ac_try='LC_ALL=C $READELF -Wr conftest | grep -q R_LARCH_RELATIVE'
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
(eval $ac_try) 2>&5
ac_status=$?
printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; } \
&& ! { ac_try='LC_ALL=C $READELF -Wl conftest | grep -q INTERP'
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
(eval $ac_try) 2>&5
ac_status=$?
printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; }
then
libc_cv_static_pie_on_loongarch=yes
fi
rm -rf conftest* ;;
esac
fi
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_static_pie_on_loongarch" >&5
printf "%s\n" "$libc_cv_static_pie_on_loongarch" >&6; }
if test "$libc_cv_static_pie_on_loongarch" = yes; then
printf "%s\n" "#define SUPPORT_STATIC_PIE 1" >>confdefs.h
fi
# Check if gcc supports option -mcmodel=medium.
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports option -mcmodel=medium" >&5
printf %s "checking whether $CC supports option -mcmodel=medium... " >&6; }
if test ${libc_cv_loongarch_cmodel_medium+y}
then :
printf %s "(cached) " >&6
else case e in #(
e)
if { ac_try='${CC-cc} -c $CFLAGS -mcmodel=medium /dev/null 1>&5'
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
(eval $ac_try) 2>&5
ac_status=$?
printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; }; then
libc_cv_loongarch_cmodel_medium=yes
else
libc_cv_loongarch_cmodel_medium=no
fi ;;
esac
fi
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_loongarch_cmodel_medium" >&5
printf "%s\n" "$libc_cv_loongarch_cmodel_medium" >&6; }
config_vars="$config_vars
have-cmodel-medium = $libc_cv_loongarch_cmodel_medium"
# Check if asm support vector instructions.
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for vector support in assembler" >&5
printf %s "checking for vector support in assembler... " >&6; }
if test ${libc_cv_loongarch_vec_asm+y}
then :
printf %s "(cached) " >&6
else case e in #(
e) cat > conftest.s <<\EOF
vld $vr0, $sp, 0
EOF
if { ac_try='${CC-cc} -c $CFLAGS conftest.s -o conftest 1>&5'
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
(eval $ac_try) 2>&5
ac_status=$?
printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; }; then
libc_cv_loongarch_vec_asm=yes
else
libc_cv_loongarch_vec_asm=no
fi
rm -f conftest* ;;
esac
fi
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_loongarch_vec_asm" >&5
printf "%s\n" "$libc_cv_loongarch_vec_asm" >&6; }
if test $libc_cv_loongarch_vec_asm = no; then
as_fn_error $? "binutils version is too old, use 2.41 or newer version" "$LINENO" 5
fi
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for vector support in compiler" >&5
printf %s "checking for vector support in compiler... " >&6; }
if test ${libc_cv_loongarch_vec_com+y}
then :
printf %s "(cached) " >&6
else case e in #(
e)
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
void foo (void)
{
asm volatile ("vldi \$vr0, 1" ::: "\$vr0");
asm volatile ("xvldi \$xr0, 1" ::: "\$xr0");
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"
then :
libc_cv_loongarch_vec_com=yes
else case e in #(
e) libc_cv_loongarch_vec_com=no ;;
esac
fi
rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
esac
fi
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_loongarch_vec_com" >&5
printf "%s\n" "$libc_cv_loongarch_vec_com" >&6; }
if test "$libc_cv_loongarch_vec_com" = yes ;
then
printf "%s\n" "#define HAVE_LOONGARCH_VEC_COM 1" >>confdefs.h
fi
config_vars="$config_vars
loongarch-vec-com = $libc_cv_loongarch_vec_com"
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