patch 7.4.1537
Problem:    Too many feature flags for pipes, jobs and channels.
Solution:   Only use FEAT_JOB_CHANNEL.
diff --git a/src/Make_bc5.mak b/src/Make_bc5.mak
index 012866b..532160f 100644
--- a/src/Make_bc5.mak
+++ b/src/Make_bc5.mak
@@ -464,7 +464,7 @@
 !endif
 
 !if ("$(CHANNEL)"=="yes")
-DEFINES = $(DEFINES) -DFEAT_CHANNEL
+DEFINES = $(DEFINES) -DFEAT_JOB_CHANNEL
 !endif
 
 !ifdef XPM