X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=compiler%2Fmain%2FDriverPipeline.hs;h=c0aed96e7051f3530152af9c7f505e05196da10d;hp=0bac958418acfb09565ce21d3c285dc7fd6cd673;hb=c9959e41ee1d72aa0ca28d51580f1ad3c06f0e8b;hpb=c4a120e767e9640de7f02456a6c91611f44d2e94

diff --git a/compiler/main/DriverPipeline.hs b/compiler/main/DriverPipeline.hs
index 0bac958..c0aed96 100644
--- a/compiler/main/DriverPipeline.hs
+++ b/compiler/main/DriverPipeline.hs
@@ -35,7 +35,7 @@ import Finder
 import HscTypes
 import Outputable
 import Module
-import LazyUniqFM		( eltsUFM )
+import UniqFM		( eltsUFM )
 import ErrUtils
 import DynFlags
 import StaticFlags	( v_Ld_inputs, opt_Static, WayName(..) )
@@ -1299,6 +1299,20 @@ wrapper_behaviour dflags mode dep_packages =
 	putStrLn (unwords (map (packageIdString . packageConfigId) allpkg))
 	return $ 'F':s ++ ';':(seperateBySemiColon (map (packageIdString . packageConfigId) allpkg))
 
+mkExtraCObj :: DynFlags -> [String] -> IO FilePath
+mkExtraCObj dflags xs
+ = do cFile <- newTempName dflags "c"
+      oFile <- newTempName dflags "o"
+      writeFile cFile $ unlines xs
+      let rtsDetails = getPackageDetails (pkgState dflags) rtsPackageId
+      SysTools.runCc dflags
+                     ([Option        "-c",
+                       FileOption "" cFile,
+                       Option        "-o",
+                       FileOption "" oFile] ++
+                      map (FileOption "-I") (includeDirs rtsDetails))
+      return oFile
+
 -- generates a Perl skript starting a parallel prg under PVM
 mk_pvm_wrapper_script :: String -> String -> String -> String
 mk_pvm_wrapper_script pvm_executable pvm_executable_base sysMan = unlines $
@@ -1409,6 +1423,20 @@ linkBinary dflags o_files dep_packages = do
     let no_hs_main = dopt Opt_NoHsMain dflags
     let main_lib | no_hs_main = []
                  | otherwise  = [ "-lHSrtsmain" ]
+    rtsEnabledObj <- if dopt Opt_RtsOptsEnabled dflags
+                     then do fn <- mkExtraCObj dflags
+                                    ["#include \"Rts.h\"",
+                                     "const rtsBool rtsOptsEnabled = rtsTrue;"]
+                             return [fn]
+                     else return []
+    rtsOptsObj <- case rtsOpts dflags of
+                  Just opts ->
+                      do fn <- mkExtraCObj dflags
+                                 -- We assume that the Haskell "show" does
+                                 -- the right thing here
+                                 ["char *ghc_rts_opts = " ++ show opts ++ ";"]
+                         return [fn]
+                  Nothing -> return []
 
     pkg_link_opts <- getPackageLinkOpts dflags dep_packages
 
@@ -1483,6 +1511,8 @@ linkBinary dflags o_files dep_packages = do
 #endif
 	 	      ++ pkg_lib_path_opts
                       ++ main_lib
+                      ++ rtsEnabledObj
+                      ++ rtsOptsObj
 	 	      ++ pkg_link_opts
 #ifdef darwin_TARGET_OS
 	 	      ++ pkg_framework_path_opts
@@ -1701,6 +1731,14 @@ linkDynLib dflags o_files dep_packages = do
     -----------------------------------------------------------------------------
 
     let output_fn = case o_file of { Just s -> s; Nothing -> "a.out"; }
+    let buildingRts = thisPackage dflags == rtsPackageId
+    let bsymbolicFlag = if buildingRts
+                        then -- -Bsymbolic breaks the way we implement
+                             -- hooks in the RTS
+                             []
+                        else -- we need symbolic linking to resolve
+                             -- non-PIC intra-package-relocations
+                             ["-Wl,-Bsymbolic"]
 
     SysTools.runLink dflags
 	 ([ SysTools.Option verb
@@ -1710,7 +1748,8 @@ linkDynLib dflags o_files dep_packages = do
 	 ++ map SysTools.Option (
 	    md_c_flags
 	 ++ o_files
-	 ++ [ "-shared", "-Wl,-Bsymbolic" ] -- we need symbolic linking to resolve non-PIC intra-package-relocations
+	 ++ [ "-shared" ]
+	 ++ bsymbolicFlag
          ++ [ "-Wl,-soname," ++ takeFileName output_fn ] -- set the library soname
 	 ++ extra_ld_inputs
 	 ++ lib_path_opts