diff --git a/mozilla/tools/codesighs/autosummary.linux.bash b/mozilla/tools/codesighs/autosummary.linux.bash
index 675b0210355..ea556747ff9 100755
--- a/mozilla/tools/codesighs/autosummary.linux.bash
+++ b/mozilla/tools/codesighs/autosummary.linux.bash
@@ -87,19 +87,29 @@ COPYSORTTSV="$1"
 OLDTSVFILE="$2"
 SUMMARYFILE="$3"
 
+OSTYPE=`uname -s`
 
 #
 #   Create our temporary directory.
 #
+if [ $OSTYPE == "Darwin" ]; then
+MYTMPDIR=`mktemp ./codesighs.tmp.XXXXXXXX`
+rm $MYTMPDIR
+mkdir $MYTMPDIR
+else
 MYTMPDIR=`mktemp -d ./codesighs.tmp.XXXXXXXX`
-
+fi
 
 #
 #   Find all relevant files.
 #
 ALLFILES="$MYTMPDIR/allfiles.list"
-find ./mozilla/dist/bin -not -type d > $ALLFILES
 
+if [ $OSTYPE == "Darwin" ]; then
+find ./mozilla/dist/bin > $ALLFILES
+else
+find ./mozilla/dist/bin -not -type d > $ALLFILES
+fi
 
 #
 #   Produce the cumulative nm output.
@@ -107,7 +117,11 @@ find ./mozilla/dist/bin -not -type d > $ALLFILES
 #   nm --format=bsd --size-sort --print-file-name --demangle
 #
 NMRESULTS="$MYTMPDIR/nm.txt"
+if [ $OSTYPE == "Darwin" ]; then
+xargs -n 1 nm -o < $ALLFILES > $NMRESULTS 2> /dev/null
+else
 xargs -n 1 nm --format=bsd --size-sort --print-file-name --demangle < $ALLFILES > $NMRESULTS 2> /dev/null
+fi
 
 
 #