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AC_CXX_EXPLICIT
1.2 (2004/02/15) 0.5.63 : C++_Support
Todd Veldhuizen and Luc Maisonobe <luc@spaceroots.org>
AC_DEFUN([AC_CXX_EXPLICIT], [AC_CACHE_CHECK(whether the compiler supports the explicit keyword, ac_cv_cxx_explicit, [AC_LANG_SAVE AC_LANG_CPLUSPLUS AC_TRY_COMPILE([class A{public:explicit A(double){}};], [double c = 5.0;A x(c);return 0;], ac_cv_cxx_explicit=yes, ac_cv_cxx_explicit=no) AC_LANG_RESTORE ]) if test "$ac_cv_cxx_explicit" = yes; then AC_DEFINE(HAVE_EXPLICIT,,[define if the compiler supports the explicit keyword]) fi ])