diff options
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 29 |
1 files changed, 0 insertions, 29 deletions
diff --git a/configure.in b/configure.in index dae24b503b..15f87fa171 100644 --- a/configure.in +++ b/configure.in @@ -1855,35 +1855,6 @@ if test "$libc_cv_gcc_builtin_redirection" = yes ; then AC_DEFINE(HAVE_BUILTIN_REDIRECTION) fi -dnl Check whether the compiler supports subtraction of local labels. -AC_CACHE_CHECK(for local label subtraction, libc_cv_gcc_subtract_local_labels, -[cat > conftest.c <<EOF -changequote(,)dnl -#line $LINENO "configure" -int foo (int a) -{ - static const int ar[] = { &&l1 - &&l1, &&l2 - &&l1 }; - void *p = &&l1 + ar[a]; - goto *p; - l1: - return 1; - l2: - return 2; -} -changequote([,])dnl -EOF -dnl No \ in command here because it ends up inside ''. -if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -nostdlib -nostartfiles - -o conftest conftest.c -lgcc >&AS_MESSAGE_LOG_FD]); then - libc_cv_gcc_subtract_local_labels=yes -else - libc_cv_gcc_subtract_local_labels=no -fi -rm -f conftest*]) -if test "$libc_cv_gcc_subtract_local_labels" = yes; then - AC_DEFINE(HAVE_SUBTRACT_LOCAL_LABELS) -fi - dnl Check whether the compiler supports the __thread keyword. if test "x$use__thread" != xno; then AC_CACHE_CHECK([for __thread], libc_cv_gcc___thread, |