Add EVENT_CREATE_SPARK_THREAD to replace EVENT_SPARK_TO_THREAD

[ghc-hetmet.git] / mk / validate-settings.mk

diff --git a/mk/validate-settings.mk b/mk/validate-settings.mk
index 2ad1546..7d647ed 100644 (file)
--- a/mk/validate-settings.mk
+++ b/mk/validate-settings.mk
@@ -1,3 +1,5 @@
+# DO NOT EDIT!  Instead, create a file mk/validate.mk, whose settings will
+# override these.  See also mk/custom-settings.mk.
 
 WERROR          = -Werror
 
@@ -7,6 +9,10 @@ SRC_HC_OPTS     = $(WERROR) -H64m -O0 -fasm
 GhcStage1HcOpts = -O -fasm
 
 GhcStage2HcOpts = -O -fasm
+# Using -O (rather than -O0) here bringes my validate down from 22mins to 16 mins.
+# Compiling stage2 takes longer, but we gain a faster haddock, faster
+# running of the tests, and faster building of the utils to be installed
+
 GhcLibHcOpts    = -O -fasm -dcore-lint
 GhcLibWays      =
 SplitObjs       = NO