diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/configure.ac b/configure.ac index fa9cf8d..350c77c 100644 --- a/configure.ac +++ b/configure.ac @@ -190,29 +190,39 @@ dnl Check if the compiler supports specified GCC's built-in function AC_DEFUN([CHECK_BUILTIN_SUPPORT], [ AC_CACHE_CHECK( [whether ${CC} has $1 built-in], - [osmo_cv_cc_has_builtin], [ + [osmo_cv_cc_has_$1], [ AC_LINK_IFELSE([ AC_LANG_PROGRAM([], [ - __builtin_cpu_supports("sse"); + $2 ]) ], - [AS_VAR_SET([osmo_cv_cc_has_builtin], [yes])], - [AS_VAR_SET([osmo_cv_cc_has_builtin], [no])]) + [AS_VAR_SET([osmo_cv_cc_has_$1], [yes])], + [AS_VAR_SET([osmo_cv_cc_has_$1], [no])]) ] ) - AS_IF([test yes = AS_VAR_GET([osmo_cv_cc_has_builtin])], [ + AS_IF([test yes = AS_VAR_GET([osmo_cv_cc_has_$1])], [ AC_DEFINE_UNQUOTED(AS_TR_CPP(HAVE_$1), 1, [Define to 1 if compiler has the '$1' built-in function]) ], [ - AC_MSG_WARN($2) + AC_MSG_WARN($3) ]) ]) dnl Check if the compiler supports runtime SIMD detection -CHECK_BUILTIN_SUPPORT([__builtin_cpu_supports], +CHECK_BUILTIN_SUPPORT([__builtin_cpu_supports], [__builtin_cpu_supports("sse");], [Runtime SIMD detection will be disabled]) +dnl Check for __sync_fetch_and_add(). +CHECK_BUILTIN_SUPPORT([__sync_fetch_and_and], [int x;__sync_fetch_and_and(&x,1);], + [Atomic operation not available, will use mutex]) +dnl Check for __sync_or_and_fetch(). +CHECK_BUILTIN_SUPPORT([__sync_or_and_fetch], [int x;__sync_or_and_fetch(&x,1);], + [Atomic operation not available, will use mutex]) +AS_IF([test "x$osmo_cv_cc_has___sync_fetch_and_and" = "xyes" && test "x$osmo_cv_cc_has___sync_or_and_fetch" = "xyes"], [ + AC_DEFINE(HAVE_ATOMIC_OPS, 1, [Support all required atomic operations], [AC_MSG_WARN("At least one aotmic operation missing, will use mutex")]) +]) + AM_CONDITIONAL(DEVICE_UHD, [test "x$with_uhd" != "xno"]) AM_CONDITIONAL(DEVICE_USRP1, [test "x$with_usrp1" = "xyes"]) AM_CONDITIONAL(DEVICE_LMS, [test "x$with_lms" = "xyes"]) |