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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2014-09-08 10:19:42 +0200 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2014-09-08 11:13:53 +0200 |
| commit | 6821a629c3bff45770b376702a6e31b4dc656df7 (patch) | |
| tree | 6b74ed1a2f8c4c66461a3727718a441708b0161a /c/src/aclocal | |
| parent | clockdrv_shell.h: Fix warning (diff) | |
| download | rtems-6821a629c3bff45770b376702a6e31b4dc656df7.tar.bz2 | |
Add -std=gnu++11 to CXXFLAGS if SMP is enabled
This is necessary to use the <atomic> header file used for the atomic
operations.
Diffstat (limited to 'c/src/aclocal')
| -rw-r--r-- | c/src/aclocal/prog-cxx.m4 | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/c/src/aclocal/prog-cxx.m4 b/c/src/aclocal/prog-cxx.m4 index ba596ba05d..957a595da2 100644 --- a/c/src/aclocal/prog-cxx.m4 +++ b/c/src/aclocal/prog-cxx.m4 @@ -6,11 +6,18 @@ AC_DEFUN([RTEMS_PROG_CXX_FOR_TARGET], [ AC_BEFORE([$0], [RTEMS_CANONICALIZE_TOOLS])dnl AC_REQUIRE([RTEMS_ENABLE_CXX]) +AC_REQUIRE([RTEMS_CHECK_SMP]) + +# If CXXFLAGS is not set, default to CFLAGS +if test x"$rtems_cv_HAS_SMP" = x"yes" ; then + CXXFLAGS=${CXXFLAGS-${CFLAGS} -std=gnu++11} +else + CXXFLAGS=${CXXFLAGS-${CFLAGS}} +fi + RTEMS_CHECK_TOOL(CXX,g++) if test "$RTEMS_HAS_CPLUSPLUS" = "yes"; then - CXXFLAGS=${CXXFLAGS-${CFLAGS}} - dnl Only accept g++ dnl NOTE: This might be too restrictive test -z "$CXX" \ |