| Line 310... |
Line 310... |
#elif __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 1)
|
#elif __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 1)
|
error
|
error
|
#endif
|
#endif
|
], [gold_cv_prog_gcc41=yes], [gold_cv_prog_gcc41=no])])
|
], [gold_cv_prog_gcc41=yes], [gold_cv_prog_gcc41=no])])
|
|
|
|
save_CFLAGS="$CFLAGS"
|
|
CFLAGS="$CFLAGS -mcmodel=medium"
|
|
AC_COMPILE_IFELSE([int i;], [have_mcmodel_medium=yes], [have_mcmodel_medium=no])
|
|
CFLAGS="$save_CFLAGS"
|
dnl Whether we can test -mcmodel=medium.
|
dnl Whether we can test -mcmodel=medium.
|
AM_CONDITIONAL(MCMODEL_MEDIUM,
|
AM_CONDITIONAL(MCMODEL_MEDIUM,
|
[test "$target_cpu" = "x86_64" -a "$gold_cv_prog_gcc41" = "yes"])
|
[test "$target_cpu" = "x86_64" -a "$have_mcmodel_medium" = "yes" -a "$gold_cv_prog_gcc41" = "yes"])
|
|
|
dnl Test for __thread support.
|
dnl Test for __thread support.
|
AC_CACHE_CHECK([for thread support], [gold_cv_c_thread],
|
AC_CACHE_CHECK([for thread support], [gold_cv_c_thread],
|
[AC_COMPILE_IFELSE([__thread int i = 1;],
|
[AC_COMPILE_IFELSE([__thread int i = 1;],
|
[gold_cv_c_thread=yes], [gold_cv_c_thread=no])])
|
[gold_cv_c_thread=yes], [gold_cv_c_thread=no])])
|
| Line 353... |
Line 357... |
fi
|
fi
|
AM_CONDITIONAL(OMP_SUPPORT, test "$gold_cv_c_threadprivate" = "yes")
|
AM_CONDITIONAL(OMP_SUPPORT, test "$gold_cv_c_threadprivate" = "yes")
|
|
|
dnl Test for the -ftls-dialect=gnu2 option.
|
dnl Test for the -ftls-dialect=gnu2 option.
|
save_CFLAGS="$CFLAGS"
|
save_CFLAGS="$CFLAGS"
|
CFLAGS="$CFLAGS -mtls-dialect=gnu2"
|
CFLAGS="$CFLAGS -fpic -mtls-dialect=gnu2"
|
AC_COMPILE_IFELSE([int i;], [have_tls_gnu2=yes], [have_tls_gnu2=no])
|
AC_COMPILE_IFELSE([
|
|
__thread int i;
|
|
void foo (void)
|
|
{
|
|
i = 10;
|
|
}
|
|
], [have_tls_gnu2=yes], [have_tls_gnu2=no])
|
CFLAGS="$save_CFLAGS"
|
CFLAGS="$save_CFLAGS"
|
AM_CONDITIONAL(TLS_GNU2_DIALECT, test "$have_tls_gnu2" = "yes")
|
AM_CONDITIONAL(TLS_GNU2_DIALECT, test "$have_tls_gnu2" = "yes")
|
|
|
dnl On GNU/Linux TLS descriptors are supported by the dynamic loader
|
dnl On GNU/Linux TLS descriptors are supported by the dynamic loader
|
dnl only with glibc 2.9 or later.
|
dnl only with glibc 2.9 or later.
|
