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| author | Matthias P. Braendli <matthias.braendli@mpb.li> | 2017-06-23 16:21:39 +0200 |
|---|---|---|
| committer | Matthias P. Braendli <matthias.braendli@mpb.li> | 2017-06-23 16:21:39 +0200 |
| commit | fcc6b39a136349870357ace9e431ff0e437f46d4 (patch) | |
| tree | bdf8b32d57fde1e04f91965441385148774af2a9 /configure.ac | |
| parent | 16cf18056b8b79f9b3e86b09bc91f55f714a9ff1 (diff) | |
| download | dabmod-fcc6b39a136349870357ace9e431ff0e437f46d4.tar.gz dabmod-fcc6b39a136349870357ace9e431ff0e437f46d4.tar.bz2 dabmod-fcc6b39a136349870357ace9e431ff0e437f46d4.zip | |
Add configure option to disable march=native
Packagers must be able to override these options themselves
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]) |