diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 6a1d3dbc5c..1bf9bce95e 100644 --- a/configure.ac +++ b/configure.ac @@ -182,6 +182,17 @@ case $host_cpu in ;; esac +# check for gcc's __get_cpuid_count functionality +AC_MSG_CHECKING([for __get_cpuid_count]) +AC_LINK_IFELSE( + [AC_LANG_SOURCE([ + #include <cpuid.h> + int main(void) { unsigned t1; return __get_cpuid_count(7, 0, &t1, &t1, &t1, &t1); } + ])], + [AC_DEFINE([HAVE_GET_CPUID_COUNT], [1], [use __get_cpuid_count]) AC_MSG_RESULT([yes])], + [AC_MSG_RESULT([no])] +) + fi AC_ARG_ENABLE(tls13-interop, |