.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
$(CP) $*/Setup.*hs $*/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)
$(CP) -R Cabal $(BOOTSTRAPPING_CABAL)
$(foreach SUBDIR,$(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
$(foreach SUBDIR,$(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)): \
--- /dev/null
+
+module Main (main) where
+
+import Control.Monad
+import Data.Maybe
+import Distribution.PackageDescription
+import Distribution.Simple
+import Distribution.Simple.Utils
+import System.Cmd
+import System.Environment
+import System.Exit
+
+main :: IO ()
+main = do let verbosity = 0
+ mustBeBuildables <- getMustBeBuildablePackages
+ dfd <- defaultPackageDesc verbosity
+ pkgDescr <- readPackageDescription verbosity dfd
+ mInfolFile <- defaultHookedPackageDesc
+ info <- case mInfolFile of
+ Nothing -> return emptyHookedBuildInfo
+ Just infoFile -> readHookedBuildInfo verbosity infoFile
+ let pkgDescr' = updatePackageDescription info pkgDescr
+ pkg = pkgName (package pkgDescr')
+ mustBeBuildable = pkg `elem` mustBeBuildables
+ buildInfos = map libBuildInfo (maybeToList (library pkgDescr'))
+ ++ map buildInfo (executables pkgDescr')
+ isBuildable = any buildable buildInfos
+ when (mustBeBuildable || isBuildable) $ do
+ args <- getArgs
+ case args of
+ prog : progArgs ->
+ do ec <- rawSystem prog progArgs
+ exitWith ec
+ [] ->
+ error "ifBuildable: No command given"
+
+getMustBeBuildablePackages :: IO [String]
+getMustBeBuildablePackages
+ = do xs <- readFile "../core-packages"
+ return $ filter ("readline" /=) $ lines xs
+