| GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory. |
| # Local configure fragment for sysdeps/ia64/elf. |
| |
| if test "$usetls" != no; then |
| # Check for support of thread-local storage handling in assembler and |
| # linker. |
| AC_CACHE_CHECK(for ia64 TLS support, libc_cv_ia64_tls, [dnl |
| cat > conftest.s <<\EOF |
| .section ".tdata","awT",@progbits |
| foo: data8 25 |
| .text |
| addl r16 = @ltoff(@dtpmod(foo#)), gp |
| addl r17 = @ltoff(@dtprel(foo#)), gp |
| addl r18 = @ltoff(@tprel(foo#)), gp |
| addl r19 = @dtprel(foo#), gp |
| adds r21 = @dtprel(foo#), r13 |
| movl r23 = @dtprel(foo#) |
| addl r20 = @tprel(foo#), gp |
| adds r22 = @tprel(foo#), r13 |
| movl r24 = @tprel(foo#) |
| EOF |
| dnl |
| if AC_TRY_COMMAND(${CC-cc} -c $CFLAGS conftest.s 1>&AS_MESSAGE_LOG_FD); then |
| libc_cv_ia64_tls=yes |
| else |
| libc_cv_ia64_tls=no |
| fi |
| rm -f conftest*]) |
| if test $libc_cv_ia64_tls = yes; then |
| AC_DEFINE(HAVE_TLS_SUPPORT) |
| fi |
| fi |
| |
| dnl It is always possible to access static and hidden symbols in an |
| dnl position independent way. |
| AC_DEFINE(PI_STATIC_AND_HIDDEN) |
