[store log when building base
John Meacham <john@repetae.net>**20060310021148] hunk ./Makefile 44
-	./jhc -v -ilib/base --noauto --build-hl lib/base/base.cabal -o base-1.0.hl
+	-[ -e base.log ] && mv -f base.log base.log.bak
+	./jhc -v $(JHC_TEST) -ilib/base --noauto --build-hl lib/base/base.cabal -o base-1.0.hl 2>&1 | tee base.log