Macro: ac_cxx_exceptions

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Synopsis

  `AC_CXX_EXCEPTIONS`

Version

  1.1.1.1 (2001/07/26) C++_Support @ ac-archive-0.5.39

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
      ])