summary refs log tree commit diff
path: root/sysdeps/loongarch/configure
blob: 6edd6d08a5755956b98d7cf8e6087e58b719aa1b (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
# This file is generated from configure.ac by Autoconf.  DO NOT EDIT!
 # Local configure fragment for sysdeps/loongarch/elf.

$as_echo "#define HIDDEN_VAR_NEEDS_DYNAMIC_RELOC 1" >>confdefs.h


{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if the toolchain is sufficient to build static PIE on LoongArch" >&5
$as_echo_n "checking if the toolchain is sufficient to build static PIE on LoongArch... " >&6; }
if ${libc_cv_static_pie_on_loongarch+:} false; then :
  $as_echo_n "(cached) " >&6
else

  cat > conftest.S << EOF
.global _start
.type _start, @function
_start:
  li.w \$a7, 93
  /* This ensures the assembler supports explicit reloc.  */
  pcalau12i \$a0, %pc_hi20(x)
  ld.w \$a0, \$a0, %pc_lo12(x)
  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 $ac_try) 2>&5
  ac_status=$?
  $as_echo "$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 $ac_try) 2>&5
  ac_status=$?
  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
  test $ac_status = 0; }; }
  then
    libc_cv_static_pie_on_loongarch=yes
  fi
  rm -rf conftest.*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_static_pie_on_loongarch" >&5
$as_echo "$libc_cv_static_pie_on_loongarch" >&6; }

if test "$libc_cv_static_pie_on_loongarch" = yes; then
  $as_echo "#define SUPPORT_STATIC_PIE 1" >>confdefs.h

fi