Teach GHC to compile objective-c files; trac #5025

[ghc-hetmet.git] / compiler / main / DriverPipeline.hs

diff --git a/compiler/main/DriverPipeline.hs b/compiler/main/DriverPipeline.hs
index 9b3eb6a..fb262ba 100644 (file)
--- a/compiler/main/DriverPipeline.hs
+++ b/compiler/main/DriverPipeline.hs
@@ -912,7 +912,7 @@ runPhase Cmm stop hsc_env basename _ input_fn get_output_fn maybe_loc
 -- way too many hacks, and I can't say I've ever used it anyway.
 
 runPhase cc_phase _stop hsc_env _basename _suff input_fn get_output_fn maybe_loc
-   | cc_phase `eqPhase` Cc || cc_phase `eqPhase` Ccpp || cc_phase `eqPhase` HCc
+   | cc_phase `eqPhase` Cc || cc_phase `eqPhase` Ccpp || cc_phase `eqPhase` HCc || cc_phase `eqPhase` Cobjc
    = do let dflags = hsc_dflags hsc_env
         let cc_opts = getOpts dflags opt_c
             hcc = cc_phase `eqPhase` HCc
@@ -983,15 +983,16 @@ runPhase cc_phase _stop hsc_env _basename _suff input_fn get_output_fn maybe_loc
                 -- very weakly typed, being derived from C--.
                 ["-fno-strict-aliasing"]
 
+        let gcc_lang_opt | cc_phase `eqPhase` Ccpp  = "c++"
+                         | cc_phase `eqPhase` Cobjc = "objective-c"
+                         | otherwise                = "c"
         SysTools.runCc dflags (
                 -- force the C compiler to interpret this file as C when
                 -- compiling .hc files, by adding the -x c option.
                 -- Also useful for plain .c files, just in case GHC saw a
                 -- -x c option.
-                        [ SysTools.Option "-x", if cc_phase `eqPhase` Ccpp
-                                                then SysTools.Option "c++"
-                                                else SysTools.Option "c"] ++
-                        [ SysTools.FileOption "" input_fn
+                        [ SysTools.Option "-x", SysTools.Option gcc_lang_opt
+                        , SysTools.FileOption "" input_fn
                         , SysTools.Option "-o"
                         , SysTools.FileOption "" output_fn
                         ]