[PATCH htl v3 5/5] testrun.sh: Add support for --tool=rpctrace

[Sergey Bugaev <bugaevc@gmail.com>]

rpctrace(1) is a Hurd RPC tracer tool, which is used similar to how
strace(1) is used on GNU/Linux.

Signed-off-by: Sergey Bugaev <bugaevc@gmail.com>
---
 Makefile | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index f98d5a9e67..a49870d3d1 100644
--- a/Makefile
+++ b/Makefile
@@ -141,8 +141,9 @@ usage () {
 cat << EOF
 Usage: $$0 [OPTIONS] <program> [ARGUMENTS...]
 
-  --tool=TOOL  Run with the specified TOOL. It can be strace, valgrind or
-               container. The container will run within support/test-container.
+  --tool=TOOL  Run with the specified TOOL. It can be strace, rpctrace,
+               valgrind or container. The container will run within
+               support/test-container.
 EOF
 
   exit 1
@@ -177,6 +178,10 @@ case "$$toolname" in
     exec strace $(patsubst %, -E%, $(run-program-env)) \
       $(test-via-rtld-prefix) $${1+"$$@"}
     ;;
+  rpctrace)
+    exec rpctrace $(patsubst %, -E%, $(run-program-env)) \
+      $(test-via-rtld-prefix) $${1+"$$@"}
+    ;;
   valgrind)
     exec env $(run-program-env) valgrind $(test-via-rtld-prefix) $${1+"$$@"}
     ;;
-- 
2.31.1