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AC_CXX_CXXFLAGS_STD_LANG(CXX-FLAGS)
Append to variable CXX-FLAGS the set of compile-time flags that should be passed to the C++ compiler in order to enable use of C++ features as defined in the ANSI C++ standard (eg. use of standard iostream classes in the `std' namespace, etc.). Note that if you use GNU Libtool you may need to prefix each of those flags with `-Xcompiler' so that Libtool doesn't discard them (see Libtool's manual and `AC_LIBTOOLIZE_CFLAGS').
20040907
Ludovic Courtès <ludo@chbouib.org>
AC_DEFUN([AC_CXX_CXXFLAGS_STD_LANG], [AC_REQUIRE([AC_CXX_COMPILER_VENDOR]) case "$ac_cv_cxx_compiler_vendor" in sgi) $1="$$1 -LANG:std -exceptions";; hp) $1="$$1 -AA";; esac])