Macro: ac_cxx_exceptions

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# ac_cxx_exceptions

## Synopsis

`AC_CXX_EXCEPTIONS`

## Version

1.1.1.1 (2001/07/26) C++_Support @ ac-archive-0.5.32

## Author

Luc Maisonobe

## Description

If the C++ compiler supports exceptions handling (try, throw and catch), define HAVE_EXCEPTIONS.

## M4 Source Code

    AC_DEFUN([AC_CXX_EXCEPTIONS],
    [AC_CACHE_CHECK(whether the compiler supports exceptions,
    ac_cv_cxx_exceptions,
    [AC_LANG_SAVE
     AC_LANG_CPLUSPLUS
     AC_TRY_COMPILE(,[try { throw  1; } catch (int i) { return i; }],
     ac_cv_cxx_exceptions=yes, ac_cv_cxx_exceptions=no)
     AC_LANG_RESTORE
    ])
    if test "$ac_cv_cxx_exceptions" = yes; then
      AC_DEFINE(HAVE_EXCEPTIONS,,[define if the compiler supports exceptions])
    fi
    ])