Index: apps/build.tcl
===================================================================
diff -u -N -ra963e8896fd07c345ccfa034cbd043344edbf083 -re97d7fb155f32926cbc9e90f7a23f84450381a10
--- apps/build.tcl	(.../build.tcl)	(revision a963e8896fd07c345ccfa034cbd043344edbf083)
+++ apps/build.tcl	(.../build.tcl)	(revision e97d7fb155f32926cbc9e90f7a23f84450381a10)
@@ -63,15 +63,16 @@
       try {
         exec >@stdout 2>@stderr bash -lc "make test"
       } trap CHILDSTATUS {- opts} {
-        puts TEST=$opts
+        lassign [dict get $opts -errorcode] -> pid code
+        # when make encountered a build error, we expect to see an
+        # error code of 2. Any other, non-make error code will be
+        # ignored for the time being; assuming the test suite
+        # completed.
+        if {$code == 2} {exit 1}
+        puts stderr "WARNING: make failed with unexpected error code: $opts"
       }
 
-      try {
-        exec >@stdout 2>@stderr bash -lc "make install"
-      } trap CHILDSTATUS {- opts} {
-        puts INSTALL=$opts
-      }
-      
+      exec >@stdout 2>@stderr bash -lc "make install"
     }
     nmake-tea {
       exec >@stdout 2>@stderr nmake -nologo -f makefile.vc TCLDIR=$tclRoot release