openmpi/config/opal_strip_optflags.m4

dnl -*- shell-script -*-
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AC_DEFUN([OPAL_STRIP_OPTFLAGS],[

# Process a set of flags and remove all debugging and optimization
# flags

s_arg="$1"
s_result=
for s_word in $s_arg; do
    # See http://www.gnu.org/software/autoconf/manual/html_node/Quadrigraphs.html#Quadrigraphs
    # for an explanation of @<:@ and @:>@ -- they m4 expand to [ and ]
    case $s_word in
    -g)                 ;;
    -g@<:@1-3@:>@)      ;;
    +K@<:@0-5@:>@)      ;;
    -O)                 ;;
    -O@<:@0-9@:>@)      ;;
    -xO)                ;;
    -xO@<:@0-9@:>@)     ;;
    -fast)              ;;
    -finline-functions) ;;

    # The below Sun Studio flags require or
    # trigger -xO optimization
    -xvector*)          ;;
    -xdepend=yes)       ;;

    *)     s_result="$s_result $s_word"
    esac
done

# Clean up

unset s_word s_arg])