Index: apps/build.tcl
===================================================================
diff -u -ra16d90ccf60c21751766e6eda326b7e8fa8bc808 -r0da374a03f36609c62f5d3f9a260bc1cbc86343f
--- apps/build.tcl	(.../build.tcl)	(revision a16d90ccf60c21751766e6eda326b7e8fa8bc808)
+++ apps/build.tcl	(.../build.tcl)	(revision 0da374a03f36609c62f5d3f9a260bc1cbc86343f)
@@ -60,7 +60,11 @@
       # puts BUILDDIR=$BUILDDIR,PWD=[pwd],INSTALLDIR=$INSTALLDIR
       exec >@stdout 2>@stderr bash -lc "./configure --with-tcl=$tclDir"
       # exec >@stdout 2>@stderr bash -lc "./configure --prefix=$INSTALLDIR --exec-prefix=$INSTALLDIR --with-tcl=$tclDir"
-      exec >@stdout 2>@stderr bash -lc "make test"
+      try {
+        exec >@stdout 2>@stderr bash -lc "make test"
+      } trap CHILDSTATUS {- opts} {
+        puts ERRORCODE=[dict get $opts -errorcode]
+      }
       # exec >@stdout 2>@stderr bash -lc "make install"
     }
     nmake-tea {