File: ac_c_cxx_compile_flags.m4

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AC_DEFUN([AC_C_CXX_COMPILE_FLAGS],[
NEW_CFLAGS="$CFLAGS"
NEW_CXXFLAGS="$CXXFLAGS"
for ac_flag in $1
do
 AC_MSG_CHECKING(whether compiler supports $ac_flag)
 CXXFLAGS="$NEW_CXXFLAGS $ac_flag"
 AC_LANG(C++)
 AC_TRY_COMPILE(,[
  ;
 ],[

  NEW_CFLAGS="$NEW_CFLAGS $ac_flag"
  NEW_CXXFLAGS="$NEW_CXXFLAGS $ac_flag"

  AC_MSG_RESULT(yes)
 ],AC_MSG_RESULT(no))
done

CFLAGS=$NEW_CFLAGS
CXXFLAGS=$NEW_CXXFLAGS
])