1 #!/bin/sh

     2 

     3 DWARF2_SUPPORT=no

     4 DWARF2_SUPPORT_BROKEN=no

     5 COMPILER=$1

     6 VERBOSE=$2

     7 WORKDIR=$3

     8 

     9 touch dwarf2.c

    10 

    11 if "$COMPILER" -c dwarf2.c -Werror -gdwarf-2 2>/dev/null 1>&2; then

    12     if "$COMPILER" -c dwarf2.c -Werror -gdwarf-2  2>&1 | grep "unsupported" >/dev/null ; then

    13         true

    14     else

    15         DWARF2_SUPPORT=yes

    16     fi

    17 fi

    18 rm -f dwarf2.c dwarf2.o

    19 

    20 # Test for xcode 2.4.0, which has a broken implementation of DWARF

    21 "$COMPILER" $WORKDIR/xcodeversion.cpp -o xcodeversion -framework Carbon;

    22 ./xcodeversion

    23 

    24 if [ "$?" == "1" ]; then

    25     DWARF2_SUPPORT_BROKEN=yes

    26 fi

    27 

    28 rm xcodeversion

    29 

    30 # done

    31 if [ "$DWARF2_SUPPORT" != "yes" ]; then

    32     [ "$VERBOSE" = "yes" ] && echo "DWARF2 debug symbols disabled."

    33     exit 0

    34 else

    35     if [ "$DWARF2_SUPPORT_BROKEN" == "yes" ]; then

    36         [ "$VERBOSE" = "yes" ] && echo "DWARF2 debug symbols disabled."

    37         exit 0

    38     else

    39         [ "$VERBOSE" = "yes" ] && echo "DWARF2 debug symbols enabled."

    40         exit 1

    41     fi

    42 fi