1 files changed, 23 insertions, 0 deletions
diff --git a/bjam b/bjam
new file mode 100755
index 00000000..d1ac8a55
--- /dev/null
+++ b/bjam
@@ -0,0 +1,23 @@
+#!/bin/bash
+set -e
+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
+  "${bjam}" --help >/dev/null 2>/dev/null && #bjam in path isn't broken (i.e. has boost-build)
+  "${bjam}" --version |grep "Boost.Build 201" >/dev/null 2>/dev/null #It's recent enough.  
+then
+  #Delegate to system bjam
+  exec "${bjam}" "$@"
+fi
+
+top="$(dirname "$0")"
+if [ ! -x "$top"/jam-files/bjam ]; then
+  pushd "$top/jam-files/engine"
+  ./build.sh
+  cp -f bin.*/bjam ../bjam
+  popd
+fi
+
+export BOOST_BUILD_PATH="$top"/jam-files/boost-build 
+exec "$top"/jam-files/bjam "$@"