Old buggy bjam always returns 0. Detect+reject.

http://boost.2283326.n4.nabble.com/bjam-exit-code-always-zero-td2696668.html

1 files changed, 2 insertions, 1 deletions

diff --git a/bjam b/bjam
index eda8970dc..2b0232c8a 100755
--- a/bjam
+++ b/bjam
@@ -4,7 +4,8 @@ if
   bjam="$(which bjam 2>/dev/null)" && #exists
   [ ${#bjam} != 0 ] && #paranoia about which printing nothing then returning true
   ! grep UFIHGUFIHBDJKNCFZXAEVA "${bjam}" </dev/null >/dev/null && #bjam in path isn't this script
-  "${bjam}" --sanity-test 2>/dev/null |grep Sane >/dev/null #The test in jam-files/sanity.jam passes
+  "${bjam}" --sanity-test 2>/dev/null |grep Sane >/dev/null && #The test in jam-files/sanity.jam passes
+  (cd jam-files/fail && ! "${bjam}") >/dev/null #Returns non-zero on failure
 then
   #Delegate to system bjam
   exec "${bjam}" "$@"