-ifeq "$(BootingFromHc)" "YES"
-SUBDIRS = includes rts docs compiler utils driver
-else
-ifneq "$(ILXized)" "YES"
-SUBDIRS = includes utils driver docs compiler rts
-else
-# No RTS for ILX
-SUBDIRS = includes utils driver docs compiler
-endif
-endif
-
-ifeq ($(IncludeTestDirsInBuild),YES)
-SUBDIRS += tests
-endif
-
-SRC_DIST_FILES += configure
-
-DIST_CLEAN_FILES += ghc.spec config.status
-
-ifeq "$(TARGETPLATFORM)" "i386-unknown-mingw32"
-# These files need to be in the InstallShield
-# INSTALL_DATAS rather than INSTALL_DOCS is used so these files go
-# in the top-level directory of the distribution
-INSTALL_DATAS += ANNOUNCE LICENSE README VERSION
-endif
-
-include $(TOP)/mk/target.mk
+# -----------------------------------------------------------------------------
+
+dir = ghc
+TOP = ..
+SPEC_TARGETS = 1 2 3
+include $(TOP)/mk/sub-makefile.mk
+
+FAST_MAKE_OPTS += compiler_stage1_NO_BUILD_DEPS=YES \
+ compiler_stage2_NO_BUILD_DEPS=YES \
+ compiler_stage3_NO_BUILD_DEPS=YES \
+ ghc_stage1_NO_BUILD_DEPS=YES \
+ ghc_stage2_NO_BUILD_DEPS=YES \
+ ghc_stage3_NO_BUILD_DEPS=YES
+
+.PHONY: 1 2 3
+
+1:
+ +$(TOPMAKE) stage=1 all_ghc_stage1 $(FAST_MAKE_OPTS)
+
+2:
+ +$(TOPMAKE) stage=2 all_ghc_stage2 $(FAST_MAKE_OPTS)
+
+3:
+ +$(TOPMAKE) stage=3 all_ghc_stage3 $(FAST_MAKE_OPTS)
+
+.PHONY: extra-help
+help : extra-help
+extra-help :
+ @echo " make 1"
+ @echo " make 2"
+ @echo " make 3"
+ @echo
+ @echo " Build the stage 1, 2 or 3 GHC respectively, omitting dependencies"
+ @echo " and initial phases for speed."