From 01aab39692e5f07a281e4238a5d0e324ebe14b8f Mon Sep 17 00:00:00 2001
From: Jules Villard <jul@fb.com>
Date: Sat, 12 Dec 2015 08:24:33 -0800
Subject: [PATCH] add shasum dependency

Summary: public this is needed to know whether to recompile clang or not.

Reviewed By: martinoluca

Differential Revision: D2749172

fb-gh-sync-id: f5d9eb4
---
 configure.ac | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/configure.ac b/configure.ac
index 1a5d3c36f..8c6267a37 100644
--- a/configure.ac
+++ b/configure.ac
@@ -64,6 +64,9 @@ AS_IF([test "x$enable_c_analyzers" = "xyes"], [
       AC_MSG_ERROR([invalid value for --without-fcp-clang; use "yes" or "no"])
     ;;
   esac
+
+  AC_CHECK_TOOL([SHASUM], [shasum], [no])
+  AC_ASSERT_PROG([shasum], [$SHASUM])
 ])
 # end if($enable_c_analyzers)