glibc/sysdeps/mips/elf/configure.in
2011-09-13 15:55:38 +00:00

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GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
# Local configure fragment for sysdeps/mips/elf.
# Check for support of thread-local storage handling in assembler and
# linker.
AC_CACHE_CHECK(for MIPS TLS support, libc_cv_mips_tls, [dnl
cat > conftest.s <<\EOF
.section ".tdata", "awT", %progbits
.globl foo
foo: .long 1
.section ".tbss", "awT", %nobits
.globl bar
bar: .skip 4
.text
lw $25, %call16(__tls_get_addr)($28)
jalr $25
addiu $4, $28, %tlsgd(x)
EOF
dnl
if AC_TRY_COMMAND(${CC-cc} -c $CFLAGS conftest.s 1>&AS_MESSAGE_LOG_FD); then
libc_cv_mips_tls=yes
else
libc_cv_mips_tls=no
fi
rm -f conftest*])
if test $libc_cv_mips_tls = no; then
AC_MSG_ERROR([the assembler must support TLS])
fi
dnl No MIPS GCC supports accessing static and hidden symbols in an
dnl position independent way.
dnl AC_DEFINE(PI_STATIC_AND_HIDDEN)