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dnl Shamelessly copied from stackoverflow
dnl https://stackoverflow.com/questions/1354996/need-an-autoconf-macro-that-detects-if-m64-is-a-valid-compiler-option
dnl jhrg 3/22/19
dnl
dnl @synopsis CXX_FLAGS_CHECK [compiler flags] [ACTION-IF-SUPPORTED] [ACTION-IF-NOT-SUPPORTED]
dnl @summary check whether compiler supports given C++ flags or not
AC_DEFUN([CXX_FLAGS_CHECK],
[dnl
AC_MSG_CHECKING([if $CXX supports $1])
AC_LANG_PUSH([C++])
ac_saved_cxxflags="$CXXFLAGS"
CXXFLAGS="-Werror $1"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])],
[AC_MSG_RESULT([yes])]
$2,
[AC_MSG_RESULT([no])]
$3
)
CXXFLAGS="$ac_saved_cxxflags"
AC_LANG_POP([C++])
])
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