diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 33 |
1 files changed, 19 insertions, 14 deletions
diff --git a/configure.ac b/configure.ac index d39e318..4d94592 100644 --- a/configure.ac +++ b/configure.ac @@ -70,6 +70,10 @@ AC_ARG_ENABLE([zeromq], [AS_HELP_STRING([--disable-zeromq], [Disable ZeroMQ input, output and remote control])], [], [enable_zeromq=yes]) +AC_ARG_ENABLE([native], + [AS_HELP_STRING([--disable-native], [Do not compile with -march=native])], + [], [enable_native=yes]) + # UHD support control AC_ARG_ENABLE([output_uhd], [AS_HELP_STRING([--disable-output-uhd], [Disable UHD output])], @@ -162,20 +166,21 @@ AC_LANG_POP([C++]) # Check for march -AC_MSG_CHECKING(if we can add -march=native to CFLAGS) - -save_CXXFLAGS="$CXXFLAGS" -CXXFLAGS="$CXXFLAGS -march=native" -AC_COMPILE_IFELSE( [AC_LANG_PROGRAM([[ -void testfunc(void) {} -]])], -[supports_march_native=yes], -[supports_march_native=no] -) -AC_MSG_RESULT($supports_march_native) -if test x"$supports_march_native" = xno; then - CXXFLAGS="$save_CXXFLAGS" -fi +AS_IF([test "x$enable_native" = "xyes"], + [AC_MSG_CHECKING(if we can add -march=native to CFLAGS) + save_CXXFLAGS="$CXXFLAGS" + CXXFLAGS="$CXXFLAGS -march=native" + AC_COMPILE_IFELSE( [AC_LANG_PROGRAM([[ + void testfunc(void) {} + ]])], + [supports_march_native=yes], + [supports_march_native=no] + ) + AC_MSG_RESULT($supports_march_native) + if test x"$supports_march_native" = xno; then + CXXFLAGS="$save_CXXFLAGS" + fi + ]) AC_TYPE_SIGNAL AC_CHECK_FUNCS([bzero floor ftime gettimeofday memset sqrt strchr strerror strtol]) |