diff options
| author | Boris Kolpackov <boris@codesynthesis.com> | 2012-03-02 14:11:03 +0200 |
|---|---|---|
| committer | Boris Kolpackov <boris@codesynthesis.com> | 2012-03-02 14:11:03 +0200 |
| commit | 64cfe5e150e2d3e58dde1a6701d8c734c20e0848 (patch) | |
| tree | 600adad0eb7f41cd5e1a4e34a28922db4024684f /m4/cxx11.m4 | |
| parent | 8a9e1081c026a092c7dfb28fbd079b88850c7233 (diff) | |
Reimplement C++11 support to be header-only
This way, the same build of the runtime libraries can be used in both
C++98 and C++11 modes. This is important for when runtimes are installed
or packaged.
Diffstat (limited to 'm4/cxx11.m4')
| -rw-r--r-- | m4/cxx11.m4 | 38 |
1 files changed, 0 insertions, 38 deletions
diff --git a/m4/cxx11.m4 b/m4/cxx11.m4 deleted file mode 100644 index 774f20d..0000000 --- a/m4/cxx11.m4 +++ /dev/null @@ -1,38 +0,0 @@ -dnl file : m4/cxx11.m4 -dnl copyright : Copyright (c) 2009-2012 Code Synthesis Tools CC -dnl license : GNU GPL v2; see accompanying LICENSE file -dnl -dnl CXX11(MACRO, DESCRIPTION) -dnl -dnl Check if we are compiling in the C++11 mode. If we are, define MACRO as -dnl both a macro and conditional as well as set the cxx11 variable to 'yes'. -dnl -AC_DEFUN([CXX11], -[ -cxx11=no - -AC_MSG_CHECKING([whether we are in C++11 mode]) - -CXX_LIBTOOL_LINK_IFELSE( -AC_LANG_SOURCE([[ -#include <memory> - -int -main () -{ - std::shared_ptr<int> p (new int (10)); - *p = 11; -} -]]), -[cxx11=yes]) - -if test x"$cxx11" = xyes; then - AC_MSG_RESULT([yes]) - AC_DEFINE([$1], [1], [$2]) -else - AC_MSG_RESULT([no]) -fi - -AM_CONDITIONAL([$1], [test x$cxx11 = xyes]) - -])dnl |