commit c0e60a2790cc6eefe1226b81a6b049d081b6101d
author Samuel Tan <samueltan@google.com> Fri Oct 09 12:30:21 2015 -0700
committer Samuel Tan <samueltan@google.com> Fri Oct 09 12:30:21 2015 -0700
tree 2d372c670576acde418d756afe93498d56a1f879
parent 12f5ed75e9fe16bb8797d608a543dcacf3f3a76d

minijail: support single arg version of gen_syscalls.sh

Support the single argument version of gen_syscalls.sh, which is
used when building minijail in CrOS.

BUG: 24680644
Change-Id: I1ac57f7ca2e1e77e76947bbbf3a44dfd777c4f07
TEST: minijail build successfully in CrOS and Android.

gen_syscalls.sh

diff --git a/gen_syscalls.sh b/gen_syscalls.sh
index 78ea89f..1e4039b 100755
--- a/gen_syscalls.sh
+++ b/gen_syscalls.sh
@@ -12,13 +12,16 @@
 
 set -e
 
-if [ $# -ne 2 ]; then
+if [ $# -ne 1 ] && [ $# -ne 2 ]; then
+  echo "Usage: $(basename "$0") OUTFILE"
   echo "Usage: $(basename "$0") CC OUTFILE"
   exit 1
 fi
 
-CC="$1"
-shift
+if [ $# -eq 2 ]; then
+  CC="$1"
+  shift
+fi
 OUTFILE="$1"
 
 # sed expression which extracts system calls that are