hanchenye-llvm-project/llvm/autoconf/m4/cxx_flag_check.m4

AC_DEFUN([CXX_FLAG_CHECK],
  [AC_SUBST($1, `$CXX $2 -fsyntax-only -xc /dev/null 2>/dev/null && echo $2`)])
Add an autoconf test to check for optional compiler flags like -Wno-missing-field-initializers or -Wno-variadic-macros. llvm-svn: 85147 2009-10-27 03:58:44 +08:00			`AC_DEFUN([CXX_FLAG_CHECK],`
			[AC_SUBST($1, `$CXX $2 -fsyntax-only -xc /dev/null 2>/dev/null && echo $2`)])