about summary refs log tree commit diff
path: root/sysdeps/sh/elf/configure.in
blob: 9c41a24f4fa4561b7d763a7578190ca89a4032be (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
GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
# Local configure fragment for sysdeps/sh/elf.

# Check for support of thread-local storage handling in assembler and
# linker.
AC_CACHE_CHECK(for SH TLS support, libc_cv_sh_tls, [dnl
cat > conftest.S <<\EOF
	.section ".tdata", "awT", @progbits
foo:	.long	25
	.text
	.long	foo@TLSGD
	.long	foo@TLSLDM
	.long	foo@DTPOFF
	.long	foo@GOTTPOFF
	.long	foo@TPOFF
EOF
dnl
if AC_TRY_COMMAND(${CC-cc} -S $CFLAGS conftest.S 1>&AS_MESSAGE_LOG_FD); then
  libc_cv_sh_tls=yes
else
  libc_cv_sh_tls=no
fi
rm -f conftest*])
if test $libc_cv_sh_tls = no; then
  AC_MSG_ERROR([the assembler must support TLS])
fi

dnl It is always possible to access static and hidden symbols in an
dnl position independent way.
AC_DEFINE(PI_STATIC_AND_HIDDEN)