Implement ifBuildable
[ghc-hetmet.git] / libraries / Makefile
index e0ecc62..fe89436 100644 (file)
@@ -12,8 +12,7 @@ TOP=.
 include $(TOP)/mk/boilerplate.mk
 endif
 
-SUBDIRS = base filepath haskell98 template-haskell readline \
-         regex-base regex-posix regex-compat parsec Cabal
+SUBDIRS = base filepath haskell98 template-haskell readline Cabal
 
 ifeq "$(GhcLibsWithUnix)" "YES"
 SUBDIRS += unix
@@ -25,6 +24,10 @@ endif
 # Set GhcBootLibs=YES from the command line to work with just the libraries
 # needed to bootstrap GHC.
 ifneq "$(GhcBootLibs)" "YES"
+SUBDIRS += $(wildcard regex-base)
+SUBDIRS += $(wildcard regex-posix)
+SUBDIRS += $(wildcard regex-compat)
+SUBDIRS += $(wildcard parsec)
 SUBDIRS += $(wildcard haskell-src)
 SUBDIRS += $(wildcard html)
 SUBDIRS += $(wildcard network)
@@ -79,7 +82,8 @@ subdirs:
 
 .PHONY: boot
 
-boot: $(foreach SUBDIR,$(SUBDIRS),$(SUBDIR)/setup/Setup)
+boot: ifBuildable/ifBuildable \
+         $(foreach SUBDIR,$(SUBDIRS),$(SUBDIR)/setup/Setup)
        # XXX Hideous hacks:
        $(GENPRIMOP) --make-haskell-source < ../compiler/prelude/primops.txt > base/GHC/Prim.hs
        $(GENPRIMOP) --make-haskell-wrappers < ../compiler/prelude/primops.txt > base/GHC/PrimopWrappers.hs
@@ -95,7 +99,14 @@ $(foreach SUBDIR,$(SUBDIRS),$(SUBDIR)/setup/Setup): \
        -$(RM) -rf $*/setup
        mkdir $*/setup
        $(CP) $*/Setup.*hs $*/setup
-       cd $*/setup && $(GHC) --make -i../../$(BOOTSTRAPPING_CABAL) Setup.*hs -o Setup
+       cd $*/setup && $(GHC) -Wall --make -i../../$(BOOTSTRAPPING_CABAL) Setup.*hs -o Setup
+
+ifBuildable/ifBuildable: ifBuildable.hs stamp/$(BOOTSTRAPPING_CABAL)
+       -$(RM) -rf ifBuildable
+       mkdir ifBuildable
+       $(CP) ifBuildable.hs ifBuildable/
+       cd ifBuildable && $(GHC) -Wall --make -i../$(BOOTSTRAPPING_CABAL) \
+                                ifBuildable -o ifBuildable
 
 stamp/$(BOOTSTRAPPING_CABAL):
        $(RM) -rf $(BOOTSTRAPPING_CABAL)
@@ -140,8 +151,9 @@ stamp/configure.library.build$(CONFIGURE_STAMP_EXTRAS).%: %/setup/Setup
 $(foreach SUBDIR,$(SUBDIRS),build.library.$(SUBDIR)):\
 build.library.%: stamp/configure.library.build$(CONFIGURE_STAMP_EXTRAS).% \
                  %/setup/Setup
-       cd $* && setup/Setup build $(addprefix --ghc-option=,$(GhcLibHcOpts))
-       cd $* && setup/Setup register --inplace
+       cd $* && ../ifBuildable/ifBuildable setup/Setup build \
+                                       $(addprefix --ghc-option=,$(GhcLibHcOpts))
+       cd $* && ../ifBuildable/ifBuildable setup/Setup register --inplace
 
 .PHONY: doc
 
@@ -177,22 +189,24 @@ install-docs:
 $(foreach SUBDIR,$(SUBDIRS),stamp/configure.library.install.$(SUBDIR)): \
 stamp/configure.library.install.%: %/setup/Setup
        -$(RM) -f stamp/configure.library.*.$*
-       cd $* && setup/Setup configure $(CONFIGURE_OPTS) \
-                                      --prefix=$(prefix) \
-                                      --with-compiler=$(bindir)/ghc \
-                                      --datasubdir=ghc
+       cd $* && ../ifBuildable/ifBuildable setup/Setup configure \
+                                           $(CONFIGURE_OPTS) \
+                                           --prefix=$(prefix) \
+                                           --with-compiler=$(bindir)/ghc \
+                                           --datasubdir=ghc
        touch $@
 
 # We need to reconfigure as we now need to register with the normal ghc-pkg
 $(foreach SUBDIR,$(SUBDIRS),install.library.$(SUBDIR)): \
 install.library.%: stamp/configure.library.install.% %/setup/Setup
-       cd $* && setup/Setup install
+       cd $* && ../ifBuildable/ifBuildable setup/Setup install
 
 .PHONY: clean clean.library.%
 
 clean: $(foreach SUBDIR,$(SUBDIRS),clean.library.$(SUBDIR))
        $(RM) -f stamp/$(BOOTSTRAPPING_CABAL)
        $(RM) -rf $(BOOTSTRAPPING_CABAL)
+       $(RM) -rf ifBuildable
        $(RM) -f libraries.txt index.html doc-index.html
 
 $(foreach SUBDIR,$(SUBDIRS),clean.library.$(SUBDIR)): \